[{"data":1,"prerenderedAt":338},["ShallowReactive",2],{"site-data":3,"article-45":143,"article-show-hot-45":172,"article-show-new-45":262},{"settings":4,"categorys":35,"tree":97,"models":118,"search_model_select":128,"nav_list":130},{"changefreq":5,"changyan_app_id":6,"changyan_app_key":6,"copy":7,"description":8,"editor":9,"file":6,"guest_feedback":10,"head_html":6,"icp":11,"index_banner":12,"index_banner_bg":13,"is_excel":14,"is_watermark":10,"keywords":15,"links":16,"logo":17,"lzcms_banner":6,"lzcms_banner_link":18,"member_register_enabled":14,"qq_app_id":6,"qq_app_key":6,"qr_code":6,"search_model":19,"site_closedreason":6,"site_idea":6,"site_idea1":20,"site_idea2":21,"site_idea3":22,"site_name":23,"site_statistice":6,"site_status":14,"site_url":18,"sitemap_model":19,"stationmaster_motto":24,"stationmaster_name":25,"stationmaster_occupation":26,"stationmaster_qq":27,"stationmaster_qqnet":28,"stationmaster_qqnet_code":29,"threshold":14,"title_add":30,"watermark":6,"watermark_alpha":31,"watermark_height":32,"watermark_locate":33,"watermark_width":34},"weekly","","版权所有 © \u003Ca class=\"site_url\" href=\"https://zhl123.com\">2026 zhl123.com\u003C/a>","linux、Python、mysql、docker、k8s技术交流","layedit","0","粤ICP备15054664号-1","/uploads/images/20181109/7a86191de8b8bb60e9c6b54d8b27c5cc.jpg","#xe604","1","linux、Python、mysql、docker、k8s","{\"1\":{\"id\":\"1\",\"link_url\":\"https://linux.org\",\"logo\":\"\",\"name\":\"linux\",\"sort\":\"0\",\"status\":\"1\"}}","/uploads/images/20181109/e7305012448aed257176dd591846f50a.png","https://zhl123.com","2","学无止境\n学习，探索，研究，从不了解到了解，从无知到掌握，到灵活运用，在不断的学习中加深认识。由浅入深，由表及里。","业精于勤\n“业精于勤荒于嬉”，精深的业技靠的是勤学、刻苦努力，靠的是争分夺秒的勤学苦练才会有精深的技术。得在认真，失在随便。","工匠精神\n精益求精，注重细节，追求完美和极致，不惜花费时间精力，孜孜不倦，反复改进产品，把99%提高到99.99%。","linux","业精于勤、学无止境、工匠精神","廖地金","高级Linux运维工程师","1256636645","592958303","\u003Ca target=\"_blank\" href=\"//shang.qq.com/wpa/qunwpa?idkey=09be7d1a682073783fd636102e666393169b8a8aac8f3393da1de57bcaa821a0\">\u003Cimg border=\"0\" src=\"//pub.idqqimg.com/wpa/images/group.png\" alt=\"Linux技术\" title=\"Linux技术\">\u003C/a>"," | Python | mysql | docker | k8s 技术交流","100","300","9","500",{"0":36,"17":51,"18":60,"19":63,"20":67,"21":71,"22":76,"25":80,"26":83,"27":89,"29":94},{"children":37},{"0":38,"25":43,"26":48},[39,40,41,42],25,21,22,26,[44,45,46,47],17,18,19,20,[49,50],27,29,{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},"index",1,"list","article",2,"文章模型","show","/article/lists?category_id=17",{"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},"python","/article/lists?category_id=18",{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},"容器技术",3,"/article/lists?category_id=19",{"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},"负载均衡",4,"/article/lists?category_id=20",{"create_time":6,"description":6,"id":40,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":72,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":74,"subtitle":6,"update_time":6,"url":75},"分享无价",0,5,"/article/lists?category_id=21",{"create_time":6,"description":6,"id":41,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":77,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":78,"subtitle":6,"update_time":6,"url":79},"随笔",6,"/article/lists?category_id=22",{"create_time":6,"description":6,"id":39,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":81,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":73,"subtitle":6,"update_time":6,"url":82},"学无止境","/article/lists?category_id=25",{"create_time":6,"description":6,"id":42,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":84,"model_id":65,"model_name":85,"name":86,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":87,"subtitle":6,"update_time":6,"url":88},"picture","图集模型","关于",8,"/picture/lists?category_id=26",{"create_time":6,"description":6,"id":49,"image_url":6,"index_template":52,"is_cover":53,"is_menu":73,"keywords":6,"list_template":54,"model_code":90,"model_id":53,"model_name":91,"name":92,"parent_id":42,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":47,"subtitle":6,"update_time":6,"url":93},"page","单页模型","关于博主","/page/27",{"create_time":6,"description":6,"id":50,"image_url":6,"index_template":52,"is_cover":73,"is_menu":73,"keywords":6,"list_template":54,"model_id":73,"name":95,"parent_id":42,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":47,"subtitle":6,"update_time":6,"url":96},"留言","/feedback",[98,108,110,112],{"children":99,"create_time":6,"description":6,"id":39,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":81,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":73,"subtitle":6,"update_time":6,"url":82},[100,102,104,106],{"children":101,"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},[],{"children":103,"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},[],{"children":105,"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},[],{"children":107,"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},[],{"children":109,"create_time":6,"description":6,"id":40,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":72,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":74,"subtitle":6,"update_time":6,"url":75},[],{"children":111,"create_time":6,"description":6,"id":41,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":77,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":78,"subtitle":6,"update_time":6,"url":79},[],{"children":113,"create_time":6,"description":6,"id":42,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":84,"model_id":65,"model_name":85,"name":86,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":87,"subtitle":6,"update_time":6,"url":88},[114,116],{"children":115,"create_time":6,"description":6,"id":49,"image_url":6,"index_template":52,"is_cover":53,"is_menu":73,"keywords":6,"list_template":54,"model_code":90,"model_id":53,"model_name":91,"name":92,"parent_id":42,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":47,"subtitle":6,"update_time":6,"url":93},[],{"children":117,"create_time":6,"description":6,"id":50,"image_url":6,"index_template":52,"is_cover":73,"is_menu":73,"keywords":6,"list_template":54,"model_id":73,"name":95,"parent_id":42,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":47,"subtitle":6,"update_time":6,"url":96},[],{"1":119,"2":120,"3":121,"4":122,"5":125},{"id":53,"index_template":52,"list_template":54,"name":91,"show_template":58,"status":73,"tablename":90},{"id":56,"index_template":52,"list_template":54,"name":57,"show_template":58,"status":73,"tablename":55},{"id":65,"index_template":52,"list_template":54,"name":85,"show_template":58,"status":73,"tablename":84},{"id":69,"index_template":52,"list_template":54,"name":123,"show_template":58,"status":73,"tablename":124},"链接模型","link",{"id":74,"index_template":52,"list_template":54,"name":126,"show_template":58,"status":73,"tablename":127},"下载模型","download",[129],{"id":56,"name":57,"tablename":55},[131,137,139,141],{"children":132,"create_time":6,"description":6,"id":39,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":81,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":73,"subtitle":6,"update_time":6,"url":82},[133,134,135,136],{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},{"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},{"children":138,"create_time":6,"description":6,"id":40,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":72,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":74,"subtitle":6,"update_time":6,"url":75},[],{"children":140,"create_time":6,"description":6,"id":41,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":77,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":78,"subtitle":6,"update_time":6,"url":79},[],{"children":142,"create_time":6,"description":6,"id":42,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":84,"model_id":65,"model_name":85,"name":86,"parent_id":73,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":87,"subtitle":6,"update_time":6,"url":88},[],{"article":144,"breadcrumb":155,"category":159,"next":160,"prev":163,"second_categorys":166,"seo":171},{"id":145,"category_id":44,"title":146,"keywords":147,"description":148,"image_url":6,"content":149,"content_md":150,"url":151,"hits":152,"is_recommend":73,"is_top":73,"create_time":153,"update_time":154},45,"MySQL高可用，数据之船不再翻 ","数据,不再","前言 上篇文章我们介绍了使用pacemkaer+corosync实现简单的nginx高可用， 这篇文章我们介绍如何使用pacemaker+corosync实现MySQL高可用， 并且此次我们手动编辑配置文件来实现corosync的配置。 实验拓扑 实验环境 主机                    IP       &nbsp","\u003Cp>\u003Cfont size=\"4\">\u003Cb>前言\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>上篇文章我们介绍了使用pacemkaer+corosync实现简单的nginx高可用， 这篇文章我们介绍如何使用pacemaker+corosync实现MySQL高可用， 并且此次我们手动编辑配置文件来实现corosync的配置。\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>实验拓扑\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>实验环境\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>主机                    IP                功用 \u003Cbr>node1.anyisalin.com        172.16.1.2        MySQL服务, HA节点 \u003Cbr>node2.anyisalin.com        172.16.1.3      MySQL服务, HA节点 \u003Cbr>nfs.anyisalin.com        172.16.1.4        提供nfs服务，数据库文件\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>注意: 本文实验中所有主机SElinux和iptables都是关闭的\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"4\">\u003Cb>实验步骤\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"3\">\u003Cb>准备工作\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>高可用集群必须保证所有节点主机互信, 主机名解析一致, 时间同步\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>配置hosts文件同步\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>\u003C/span>\u003Cspan>\u003C/span>\u003Cbr>\u003Cspan>配置互信\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>\u003C/span>\u003Cspan>\u003C/span>\u003Cbr>\u003Cspan>\u003C/span>\u003Cspan>\u003C/span>\u003Cbr>\u003Cspan>时间同步\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>\u003C/span>\u003Cspan>\u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"3\">\u003Cb>安装HA组件并配置\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>我们这次直接安装并手动配置pacemaker+corosync\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>安装corosync+pacemaker在两个节点上 \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 ~]# yum install corosync pacemaker -y &> /dev/null && echo success \u003C/span>\u003Cbr>\u003Cspan>success \u003C/span>\u003Cbr>\u003Cspan>[root@node1 ~]# ssh node2.anyisalin.com \"yum install corosync pacemaker -y &> /dev/null && echo success\" \u003C/span>\u003Cbr>\u003Cspan>success \u003C/span>\u003Cbr>\u003Cspan>\u003Cb>编辑配置文件\u003C/b>\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 corosync]# vim corosync.conf \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>        totem { \u003C/span>\u003Cbr>\u003Cspan>            version: 2 \u003C/span>\u003Cbr>\u003Cspan>        crypto_cipher: none \u003C/span>\u003Cbr>\u003Cspan>        crypto_hash: none \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cspan>            interface { \u003C/span>\u003Cbr>\u003Cspan>                ringnumber: 0 \u003C/span>\u003Cbr>\u003Cspan>                bindnetaddr: 172.16.1.0 \u003C/span>\u003Cbr>\u003Cspan>                mcastaddr: 239.185.1.31 \u003C/span>\u003Cbr>\u003Cspan>                mcastport: 5405 \u003C/span>\u003Cbr>\u003Cspan>                ttl: 1 \u003C/span>\u003Cbr>\u003Cspan>            } \u003C/span>\u003Cbr>\u003Cspan>        } \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>        nodelist { \u003C/span>\u003Cbr>\u003Cspan>                node { \u003C/span>\u003Cbr>\u003Cspan>                        ring0_addr: 172.16.1.2 \u003C/span>\u003Cbr>\u003Cspan>                        nodeid: 1 \u003C/span>\u003Cbr>\u003Cspan>                } \u003C/span>\u003Cbr>\u003Cspan>                node { \u003C/span>\u003Cbr>\u003Cspan>                        ring0_addr: 172.16.1.3 \u003C/span>\u003Cbr>\u003Cspan>                        nodeid: 2 \u003C/span>\u003Cbr>\u003Cspan>                } \u003C/span>\u003Cbr>\u003Cspan>        } \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>        logging { \u003C/span>\u003Cbr>\u003Cspan>            fileline: off \u003C/span>\u003Cbr>\u003Cspan>            to_stderr: no \u003C/span>\u003Cbr>\u003Cspan>            to_logfile: yes \u003C/span>\u003Cbr>\u003Cspan>            logfile: /var/log/cluster/corosync.log \u003C/span>\u003Cbr>\u003Cspan>            to_syslog: no \u003C/span>\u003Cbr>\u003Cspan>            debug: off \u003C/span>\u003Cbr>\u003Cspan>            timestamp: on \u003C/span>\u003Cbr>\u003Cspan>            logger_subsys { \u003C/span>\u003Cbr>\u003Cspan>                subsys: QUORUM \u003C/span>\u003Cbr>\u003Cspan>                debug: off \u003C/span>\u003Cbr>\u003Cspan>            } \u003C/span>\u003Cbr>\u003Cspan>        } \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>        quorum { \u003C/span>\u003Cbr>\u003Cspan>            provider: corosync_votequorum \u003C/span>\u003Cbr>\u003Cspan>        } \u003C/span>\u003Cbr>\u003Cspan>\u003Cb>启动corosync和pacemaker\u003C/b>\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 corosync]# scp corosync.conf node2.anyisalin.com:/etc/corosync/ \u003C/span>\u003Cbr>\u003Cspan>[root@node1 corosync]# systemctl start corosync pacemkaer \u003C/span>\u003Cbr>\u003Cspan>[root@node1 corosync]# ssh node2.anyisalin.com \"systemctl start corosync pacemkaer\" \u003C/span>\u003Cbr>\u003Cspan>\u003Cb>查看集群节点状态\u003C/b>\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 corosync]# crm status   #各节点都在线 \u003C/span>\u003Cbr>\u003Cspan>Last updated: Sun Apr 10 22:23:13 2016      Last change: Sun Apr 10 22:16:43 2016 by root via cibadmin on node1.anyisalin.com \u003C/span>\u003Cbr>\u003Cspan>Stack: corosync \u003C/span>\u003Cbr>\u003Cspan>Current DC: node1.anyisalin.com (version 1.1.13-10.el7_2.2-44eb2dd) - partition with quorum \u003C/span>\u003Cbr>\u003Cspan>2 nodes and 0 resources configured \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>Online: [ node1.anyisalin.com node2.anyisalin.com ] \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"3\">\u003Cb>配置NFS\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>对于NFS配置这次比较复杂\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@nfs ~]# vim /etc/exports \u003C/span>\u003Cbr>\u003Cspan>/datadir    172.16.1.0/24(rw,no_root_squash) \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@nfs ~]# useradd -u 3306 mysql  #创建mysql用户 \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@nfs ~]# mkdir /datadir \u003C/span>\u003Cbr>\u003Cspan>[root@nfs ~]# setfacl -m u:mysql:rwx /datadir/  #赋予mysql用户权限 \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@nfs ~]# exportfs -rv   #重新导出目录 \u003C/span>\u003Cbr>\u003Cspan>exporting 172.16.1.0/24:/datadir \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"3\">\u003Cb>配置MySQL\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>MySQL我们使用通用二进制的包安装, 安装过程有疑问的可以看我以前的LAMP安装的文章\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cspan>在node1上操作\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 corosync]# tar xf mysql-5.5.33-linux2.6-x86_64.tar.gz -C /usr/src/ \u003C/span>\u003Cbr>\u003Cspan>[root@node1 corosync]# cd /usr/src/mysql-5.5.33-linux2.6-x86_64/ \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# groupadd -g 3306 -r mysql \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# useradd -u 3306 -g mysql mysql \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# mkdir /datadir \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# mount -t nfs 172.16.1.4:/datadir /datadir/ #挂载nfs到本地 \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# ./scripts/mysql_install_db --user=mysql --datadir=/datadir #初始化MySQL生成数据库文件 \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# ls /datadir/ \u003C/span>\u003Cbr>\u003Cspan>mysql  performance_schema  test \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# cp support-files/my-large.cnf /etc/my.cnf \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# vim /etc/my.cnf #添加以下几行 \u003C/span>\u003Cbr>\u003Cspan>datadir=/datadir \u003C/span>\u003Cbr>\u003Cspan>innodb_file_per_table = on \u003C/span>\u003Cbr>\u003Cspan>skip_name_resolve = on \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# cp support-files/mysql.server /etc/init.d/mysqld \u003C/span>\u003Cbr>\u003Cspan>[root@node1 mysql-5.5.33-linux2.6-x86_64]# cd /usr/local/ \u003C/span>\u003Cbr>\u003Cspan>[root@node1 local]# ln -sv /usr/src/mysql-5.5.33-linux2.6-x86_64/ mysql  #创建软链接 \u003C/span>\u003Cbr>\u003Cspan>[root@node1 ~]# service mysqld start  #启动mysql \u003C/span>\u003Cbr>\u003Cspan>Starting MySQL.. SUCCESS! \u003C/span>\u003Cbr>\u003Cspan>[root@node1 ~]# /usr/local/mysql/bin/mysql  #登录成功 \u003C/span>\u003Cbr>\u003Cspan>mysql> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cspan>在node2上操作 \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# tar xf mysql-5.5.33-linux2.6-x86_64.tar.gz  -C /usr/src/ \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# mkdir /datadir \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# mount -t nfs 172.16.1.4:/datadir /datadir/ \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# ls /datadir/ \u003C/span>\u003Cbr>\u003Cspan>ibdata1  ib_logfile0  ib_logfile1  mysql  mysql-bin.000001  mysql-bin.000002  mysql-bin.index  node1.anyisalin.com.err  node1.anyisalin.com.pid  performance_schema  test \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node2 ~]# scp node1.anyisalin.com:/etc/my.cnf /etc/ \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# scp node1.anyisalin.com:/etc/init.d/mysqld /etc/init.d/ \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cspan>[root@node2 ~]# cd /usr/local/ \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# groupadd -g 3306 -r mysql \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# useradd -g mysql -u  3306 mysql \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# ln -sv /usr/src/mysql-5.5.33-linux2.6-x86_64/ mysql \u003C/span>\u003Cbr>\u003Cspan>‘mysql’ -> ‘/usr/src/mysql-5.5.33-linux2.6-x86_64/’ \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node2 ~]# service mysqld start #因为node1在运行所以不能运行 \u003C/span>\u003Cbr>\u003Cspan>Starting MySQL........ \u003C/span>\u003Cbr>\u003Cspan>[root@node2 ~]# ssh node1.anyisalin.com \"service mysqld stop\" \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>[root@node2 local]# service mysqld start  #启动成功 \u003C/span>\u003Cbr>\u003Cspan>Starting MySQL SUCCESS! \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# /usr/local/mysql/bin/mysql  #能够登录 \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>mysql> \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cspan>#测试完成后将mysql服务停止并卸载nfs \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# service mysqld stop \u003C/span>\u003Cbr>\u003Cspan>Shutting down MySQL. SUCCESS! \u003C/span>\u003Cbr>\u003Cspan>[root@node2 local]# umount /datadir/ \u003C/span>\u003Cbr>\u003Cspan>[root@node1 ~]# umount /datadir/ \u003C/span>\u003Cbr>\u003Cbr>\u003Cbr>\u003Cfont size=\"3\">\u003Cb>配置HA资源\u003C/b>\u003C/font>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>配置HA资源\u003C/span>\u003Cspan> \u003C/span>\u003Cbr>\u003Cbr>\u003Cspan>crm(live)# configure \u003C/span>\u003Cbr>\u003Cspan>crm(live)configure# primitive dataip ocf:heartbeat:IPaddr params ip=172.16.1.8 \u003C/span>\u003Cbr>\u003Cspan>crm(live)configure# primitive datastore ocf:heartbeat:Filesystem params device=\"172.16.1.4:/datadir\" fstype=\"nfs\" directory=\"/datadir\" op \u003C/span>\u003Cbr>\u003Cspan>crm(live)configure# primitive mysql service:mysqld   \u003C/span>\u003Cbr>\u003Cspan>crm(live)configure# property stonith-enabled=false \u003C/span>\u003Cbr>\u003Cspan>colocation dataip_with_datastore inf: mysql ( dataip datastore ) #设置排列约束 \u003C/span>\u003Cbr>\u003Cspan>order dataip_then_webstore Mandatory: dataip datastore  #设置顺序约束 \u003C/span>\u003Cbr>\u003Cspan>order datastore_then_mysql Mandatory: datastore mysql \u003C/span>\u003Cbr>\u003Cspan>crm(live)configure# commit \u003C/span>\u003C/p>","**前言**\n\n \n\n上篇文章我们介绍了使用pacemkaer+corosync实现简单的nginx高可用， 这篇文章我们介绍如何使用pacemaker+corosync实现MySQL高可用， 并且此次我们手动编辑配置文件来实现corosync的配置。\n\n \n\n**实验拓扑**\n\n \n\n**实验环境**\n\n \n\n主机                    IP                功用 \nnode1.anyisalin.com        172.16.1.2        MySQL服务, HA节点 \nnode2.anyisalin.com        172.16.1.3      MySQL服务, HA节点 \nnfs.anyisalin.com        172.16.1.4        提供nfs服务，数据库文件\n\n \n\n注意: 本文实验中所有主机SElinux和iptables都是关闭的\n\n \n\n**实验步骤**\n\n \n\n**准备工作**\n\n \n\n高可用集群必须保证所有节点主机互信, 主机名解析一致, 时间同步\n\n \n\n配置hosts文件同步\n\n \n\n配置互信\n\n \n\n时间同步\n\n \n\n**安装HA组件并配置**\n\n \n\n我们这次直接安装并手动配置pacemaker+corosync\n\n \n\n安装corosync+pacemaker在两个节点上 \n\n[root@node1 ~]# yum install corosync pacemaker -y &> /dev/null && echo success \n\nsuccess \n\n[root@node1 ~]# ssh node2.anyisalin.com \"yum install corosync pacemaker -y &> /dev/null && echo success\" \n\nsuccess \n\n**编辑配置文件**\n\n \n\n[root@node1 corosync]# vim corosync.conf \n\n        totem { \n\n            version: 2 \n\n        crypto_cipher: none \n\n        crypto_hash: none \n\n            interface { \n\n                ringnumber: 0 \n\n                bindnetaddr: 172.16.1.0 \n\n                mcastaddr: 239.185.1.31 \n\n                mcastport: 5405 \n\n                ttl: 1 \n\n            } \n\n        } \n\n        nodelist { \n\n                node { \n\n                        ring0_addr: 172.16.1.2 \n\n                        nodeid: 1 \n\n                } \n\n                node { \n\n                        ring0_addr: 172.16.1.3 \n\n                        nodeid: 2 \n\n                } \n\n        } \n\n        logging { \n\n            fileline: off \n\n            to_stderr: no \n\n            to_logfile: yes \n\n            logfile: /var/log/cluster/corosync.log \n\n            to_syslog: no \n\n            debug: off \n\n            timestamp: on \n\n            logger_subsys { \n\n                subsys: QUORUM \n\n                debug: off \n\n            } \n\n        } \n\n        quorum { \n\n            provider: corosync_votequorum \n\n        } \n\n**启动corosync和pacemaker**\n\n \n\n[root@node1 corosync]# scp corosync.conf node2.anyisalin.com:/etc/corosync/ \n\n[root@node1 corosync]# systemctl start corosync pacemkaer \n\n[root@node1 corosync]# ssh node2.anyisalin.com \"systemctl start corosync pacemkaer\" \n\n**查看集群节点状态**\n\n \n\n[root@node1 corosync]# crm status   #各节点都在线 \n\nLast updated: Sun Apr 10 22:23:13 2016      Last change: Sun Apr 10 22:16:43 2016 by root via cibadmin on node1.anyisalin.com \n\nStack: corosync \n\nCurrent DC: node1.anyisalin.com (version 1.1.13-10.el7_2.2-44eb2dd) - partition with quorum \n\n2 nodes and 0 resources configured \n\nOnline: [ node1.anyisalin.com node2.anyisalin.com ] \n\n**配置NFS**\n\n \n\n对于NFS配置这次比较复杂\n\n \n\n[root@nfs ~]# vim /etc/exports \n\n/datadir    172.16.1.0/24(rw,no_root_squash) \n\n[root@nfs ~]# useradd -u 3306 mysql  #创建mysql用户 \n\n[root@nfs ~]# mkdir /datadir \n\n[root@nfs ~]# setfacl -m u:mysql:rwx /datadir/  #赋予mysql用户权限 \n\n[root@nfs ~]# exportfs -rv   #重新导出目录 \n\nexporting 172.16.1.0/24:/datadir \n\n**配置MySQL**\n\n \n\nMySQL我们使用通用二进制的包安装, 安装过程有疑问的可以看我以前的LAMP安装的文章\n\n \n\n在node1上操作\n\n \n\n[root@node1 corosync]# tar xf mysql-5.5.33-linux2.6-x86_64.tar.gz -C /usr/src/ \n\n[root@node1 corosync]# cd /usr/src/mysql-5.5.33-linux2.6-x86_64/ \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# groupadd -g 3306 -r mysql \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# useradd -u 3306 -g mysql mysql \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# mkdir /datadir \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# mount -t nfs 172.16.1.4:/datadir /datadir/ #挂载nfs到本地 \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# ./scripts/mysql_install_db --user=mysql --datadir=/datadir #初始化MySQL生成数据库文件 \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# ls /datadir/ \n\nmysql  performance_schema  test \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# cp support-files/my-large.cnf /etc/my.cnf \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# vim /etc/my.cnf #添加以下几行 \n\ndatadir=/datadir \n\ninnodb_file_per_table = on \n\nskip_name_resolve = on \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# cp support-files/mysql.server /etc/init.d/mysqld \n\n[root@node1 mysql-5.5.33-linux2.6-x86_64]# cd /usr/local/ \n\n[root@node1 local]# ln -sv /usr/src/mysql-5.5.33-linux2.6-x86_64/ mysql  #创建软链接 \n\n[root@node1 ~]# service mysqld start  #启动mysql \n\nStarting MySQL.. SUCCESS! \n\n[root@node1 ~]# /usr/local/mysql/bin/mysql  #登录成功 \n\nmysql> \n\n在node2上操作 \n\n[root@node2 ~]# tar xf mysql-5.5.33-linux2.6-x86_64.tar.gz  -C /usr/src/ \n\n[root@node2 ~]# mkdir /datadir \n\n[root@node2 ~]# mount -t nfs 172.16.1.4:/datadir /datadir/ \n\n[root@node2 ~]# ls /datadir/ \n\nibdata1  ib_logfile0  ib_logfile1  mysql  mysql-bin.000001  mysql-bin.000002  mysql-bin.index  node1.anyisalin.com.err  node1.anyisalin.com.pid  performance_schema  test \n\n[root@node2 ~]# scp node1.anyisalin.com:/etc/my.cnf /etc/ \n\n[root@node2 ~]# scp node1.anyisalin.com:/etc/init.d/mysqld /etc/init.d/ \n\n[root@node2 ~]# cd /usr/local/ \n\n[root@node2 local]# groupadd -g 3306 -r mysql \n\n[root@node2 local]# useradd -g mysql -u  3306 mysql \n\n[root@node2 local]# ln -sv /usr/src/mysql-5.5.33-linux2.6-x86_64/ mysql \n\n‘mysql’ -> ‘/usr/src/mysql-5.5.33-linux2.6-x86_64/’ \n\n[root@node2 ~]# service mysqld start #因为node1在运行所以不能运行 \n\nStarting MySQL........ \n\n[root@node2 ~]# ssh node1.anyisalin.com \"service mysqld stop\" \n\n[root@node2 local]# service mysqld start  #启动成功 \n\nStarting MySQL SUCCESS! \n\n[root@node2 local]# /usr/local/mysql/bin/mysql  #能够登录 \n\nmysql> \n\n#测试完成后将mysql服务停止并卸载nfs \n\n[root@node2 local]# service mysqld stop \n\nShutting down MySQL. SUCCESS! \n\n[root@node2 local]# umount /datadir/ \n\n[root@node1 ~]# umount /datadir/ \n\n**配置HA资源**\n\n \n\n配置HA资源\n\n \n\ncrm(live)# configure \n\ncrm(live)configure# primitive dataip ocf:heartbeat:IPaddr params ip=172.16.1.8 \n\ncrm(live)configure# primitive datastore ocf:heartbeat:Filesystem params device=\"172.16.1.4:/datadir\" fstype=\"nfs\" directory=\"/datadir\" op \n\ncrm(live)configure# primitive mysql service:mysqld   \n\ncrm(live)configure# property stonith-enabled=false \n\ncolocation dataip_with_datastore inf: mysql ( dataip datastore ) #设置排列约束 \n\norder dataip_then_webstore Mandatory: dataip datastore  #设置顺序约束 \n\norder datastore_then_mysql Mandatory: datastore mysql \n\ncrm(live)configure# commit ","/article/45",4805,"2016-06-27 17:12:53","2018-10-18 17:13:50",[156,157,158],{"id":39,"name":81,"url":82},{"id":44,"name":23,"url":59},{"id":145,"name":146,"url":151},{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"title":161,"url":162},"15 个有用的 MySQL/MariaDB 性能调整和优化技巧 ","/article/46",{"title":164,"url":165},"CentOS7.2 调整mysql数据库最大连接数及最大文件打开数 ","/article/43",[167,168,169,170],{"create_time":6,"description":6,"id":44,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":23,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":53,"subtitle":6,"update_time":6,"url":59},{"create_time":6,"description":6,"id":45,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":61,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":56,"subtitle":6,"update_time":6,"url":62},{"create_time":6,"description":6,"id":46,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":64,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":65,"subtitle":6,"update_time":6,"url":66},{"create_time":6,"description":6,"id":47,"image_url":6,"index_template":52,"is_cover":53,"is_menu":53,"keywords":6,"list_template":54,"model_code":55,"model_id":56,"model_name":57,"name":68,"parent_id":39,"seo_description":6,"seo_keywords":6,"seo_title":6,"show_template":58,"sort":69,"subtitle":6,"update_time":6,"url":70},{"description":148,"keywords":147,"title":146},[173,182,191,200,209,218,227,236,245,253],{"id":174,"category_id":44,"title":175,"keywords":176,"description":177,"image_url":6,"url":178,"hits":179,"is_recommend":73,"is_top":73,"create_time":180,"update_time":181},101,"开启 HTTPS 并获得 ssllabs 满分的过程","开启,获得,满分,过程","准备工作确保你要申请证书的域名都解析到了这台服务器上，且能直接通过域名访问。使用官网推荐的CertBot获取证书。在CertBot官网选择一下环境(比如我选Nginx on Ubuntu 17.04)就可以看到入门教程了。安装CertBot12345apt-get updateapt-get install software-properties-commonadd-apt-repository ppa:certbot/certbotapt-get updateapt-get","/article/101",18546,"2019-11-26 16:12:11","2019-11-26 16:23:16",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},113,"在CentOS 7中添加命令自动补全功能","命令自动补全,centos","在CentOS 7中，默认情况下并不会安装命令补全包，需要手动安装才能使用命令补全功能。以下是在CentOS 7中安装命令补全包的方法：1. bash-completion：这是一个针对Bash shell的命令补全软件包，可以提供对系统命令、用户自定义命令和文件路径的自动补全功能。可以通过以下命令安装：```sudo yum install bash-completion```安装完成后，需要在/etc/profile配置文件中添加以下内容：```if [ -f /etc/bash_compl","/article/113",14948,"2023-05-16 10:54:01","2023-05-16 10:57:28",{"id":192,"category_id":44,"title":193,"keywords":194,"description":195,"image_url":6,"url":196,"hits":197,"is_recommend":53,"is_top":73,"create_time":198,"update_time":199},94,"Centos7 安装 openvas ","openvas,开放式漏洞评估系统，installing openvas centos-7","一、描述OpenVAS，即开放式漏洞评估系统，是一个用于评估目标漏洞的杰出框架。功能十分强大，最重要的是，它是“开源”的——就是免费的意思啦～它与著名的Nessus“本是同根生”，在Nessus商业化之后仍然坚持开源，号称“当前最好用的开源漏洞扫描工具”。最新版的Kali Linux(kali 3.0)不再自带OpenVAS了，所以我们要自己部署OpenVAS漏洞检测系统。其核心部件是一个服务器，包括一套网络漏洞测试程序，可以检测远程系统和应用程序中的安全问题。但是它的最常用用途是检测目标网络或","/article/94",14690,"2019-01-14 17:43:42","2019-01-14 18:16:36",{"id":201,"category_id":44,"title":202,"keywords":203,"description":204,"image_url":6,"url":205,"hits":206,"is_recommend":73,"is_top":73,"create_time":207,"update_time":208},99,"Centos7 利用iptables防止nmap工具防端口扫描","iptables","一、Nmap介绍       Nmap（NetworkMapper）是一款开放源代码的网络探测和安全审核工具。它用于快速扫描一个网络和一台主机开放的端口，还能使用TCP/IP协议栈特征探测远程主机的操作系统类型。nmap支持很多扫描技术，例如：UDP、TCPconnect()、TCPSYN(半开扫描)、ftp代理(bounce攻击)、反向标志、ICMP、FIN、ACK扫描、圣诞树(XmasTree)、SYN扫描和null扫描。Nmap最初是用于Unix系统","/article/99",14415,"2019-07-09 21:27:00","2019-07-09 21:57:53",{"id":210,"category_id":46,"title":211,"keywords":212,"description":213,"image_url":6,"url":214,"hits":215,"is_recommend":73,"is_top":73,"create_time":216,"update_time":217},61,"Docker 推荐的启动方式","推荐,启动,方式","# cat DockerfileFROM openjdk:8-alpineWORKDIR /ADD ./target/*.jar app.jarEXPOSE 9999COPY docker-entrypoint.sh /RUN chmod +x /docker-entrypoint.shENTRYPOINT [“/docker-entrypoint.sh”]CMD [“java”,”-server”,”-Duser.timezone=GMT+08″,”-jar”,”/app.jar”]# cat","/article/61",14347,"2018-10-22 13:55:47","2018-10-22 13:56:10",{"id":219,"category_id":44,"title":220,"keywords":221,"description":222,"image_url":6,"url":223,"hits":224,"is_recommend":73,"is_top":73,"create_time":225,"update_time":226},107,"Acme.sh 给 SSL 证书自动续期失败的解决方法","HTTP/1.1 200 OK,Server: Bayou Tech Web Srv 1.0,Content-Encoding: none,Content-Length: 5,Content-Type","一、Acme.sh 自动续期失败的症状问题描述如下，续期的时候，提示如下错误：root@dc:~# \"/data/acme.sh\"/acme.sh --cron --home \"/data/acme.sh\" > /dev/null[Sun Nov 10 23:52:17 CST 2020] Error, can not get domain token entry example.com[Sun Nov 10 23:52:17 CST 2020] Please check log file","/article/107",12618,"2021-09-03 10:44:18","2021-09-03 10:46:23",{"id":228,"category_id":44,"title":229,"keywords":230,"description":231,"image_url":6,"url":232,"hits":233,"is_recommend":53,"is_top":73,"create_time":234,"update_time":235},93,"ELK+Filebeat+Kafka+ZooKeeper 构建海量日志分析平台","Filebeat,Kafka","一、说明1.Filebeat是一个日志文件托运工具，在你的服务器上安装客户端后，filebeat会监控日志目录或者指定的日志文件，追踪读取这些文件（追踪文件的变化，不停的读）2.Kafka是一种高吞吐量的分布式发布订阅消息系统，它可以处理消费者规模的网站中的所有动作流数据3.Logstash是一根具备实时数据传输能力的管道，负责将数据信息从管道的输入端传输到管道的输出端；与此同时这根管道还可以让你根据自己的需求在中间加上滤网，Logstash提供里很多功能强大的滤网以满足你的各种应用场景4.El","/article/93",12190,"2018-12-24 16:40:08","2018-12-26 11:53:38",{"id":237,"category_id":46,"title":238,"keywords":239,"description":240,"image_url":6,"url":241,"hits":242,"is_recommend":53,"is_top":73,"create_time":243,"update_time":244},81,"kubernetes 1.12.1 高可用安装之部署Dashboard","安装Dashboard","创建Dashboard需要CoreDNS部署成功之后再安装Dashboard。[root@master01 ~]# wget https://zhl123.com/download/k8s/Dashboard.tgz[root@master01 ~]# tar xf Dashboard.tgz[root@master01 ~]# kubectl create -f Dashboard/[root@master01 Dashboard]# kubectl get svc -n kube-syste","/article/81",12037,"2018-10-26 09:54:41","2018-10-26 16:59:19",{"id":246,"category_id":44,"title":247,"keywords":6,"description":248,"image_url":6,"url":249,"hits":250,"is_recommend":73,"is_top":73,"create_time":251,"update_time":252},100,"用 Nginx 给 Cookie 增加 Secure 和 HttpOnly","在 nginx 的 location 中配置12# 只支持 proxy 模式下设置，SameSite 不需要可删除，如果想更安全可以把 SameSite 设置为 Strictproxy_cookie_path / \"/; httponly; secure; SameSite=Lax\";示例1234567891011121314151617181920212223242526server {    listen 443 ssl http2;    server_name www.zhl123.cn","/article/100",11848,"2019-11-26 16:10:57","2019-11-26 16:23:45",{"id":254,"category_id":44,"title":255,"keywords":256,"description":257,"image_url":6,"url":258,"hits":259,"is_recommend":73,"is_top":73,"create_time":260,"update_time":261},41,"Tomcat 安全配置与性能优化","tomcat，性能优化","1. JVM 1.1. 使用 Server JRE 替代JDK。 服务器上不要安装JDK，请使用 Server JRE. 服务器上根本不需要编译器，代码应该在Release服务器上完成编译打包工作。 理由：一旦服务器被控制，可以防止在其服务器上编译其他恶意代码并植入到你的程序中。 1.2. JAVA_OPTS export JAVA_OPTS=\"-server -Xms512m -Xmx4096m  -XX:PermSize=64M -","/article/41",11623,"2016-09-01 17:06:36","2018-10-18 17:06:58",[263,271,279,287,295,303,311,319,328,337],{"id":264,"category_id":40,"title":265,"keywords":6,"description":266,"image_url":6,"url":267,"hits":268,"is_recommend":73,"is_top":73,"create_time":269,"update_time":270},123,"Agent Skill 精选集：最值得收藏的 Agent Skills Top 10","如果你正在用 Claude Code 或 Codex，一定对 Agent Skills 不陌生。通过安装 Agent Skills，你可以让这些 AI 助手变得更强——不用每次都解释你的需求，它们直接就知道该怎么做。最近有人在 GitHub 上做了一个采样调查，统计了哪些 Skills 的质量最佳和最受欢迎。我整理了这份 Top 10 榜单，加上使用场景和适合人群，帮你快速找到最有用的那几个。Top 10 最受欢迎的 Agent Skills1. Skil","/article/123",270,"2026-01-19 18:49:12","2026-01-19 18:52:01",{"id":272,"category_id":44,"title":273,"keywords":6,"description":274,"image_url":6,"url":275,"hits":276,"is_recommend":73,"is_top":73,"create_time":277,"update_time":278},122,"Nginx性能调优18条黄金法则：支撑10万并发的配置模板","一、概述1.1 背景介绍说实话，Nginx调优这事儿我踩过无数坑。记得2019年双11，我们电商平台流量暴涨，Nginx直接扛不住了，QPS从平时的2万飙升到8万，响应时间从50ms飙到了2秒，最后还是靠临时加机器扛过去的。那次事故之后，我花了大半年时间专门研究Nginx的性能极限，总结出了这20条黄金法则。Nginx作为目前最流行的Web服务器和反向代理，官方数据显示单机可以轻松处理10万+的并发连接。但实际生产环境中，很多同学拿到默认配置就直接上了，结果发现连1万并发都扛不住。问题不在Ngi","/article/122",337,"2026-01-12 11:11:50","2026-01-12 11:12:28",{"id":280,"category_id":46,"title":281,"keywords":6,"description":282,"image_url":6,"url":283,"hits":284,"is_recommend":73,"is_top":73,"create_time":285,"update_time":286},121,"Docker 镜像优化与安全扫描：将镜像体积压缩 70%","1. 适用场景 & 前置条件项目要求适用场景容器化应用镜像体积过大（> 500MB），构建时间长（> 10分钟），存在安全漏洞（CVE高危）OSRHEL/CentOS 7.9+ 或 Ubuntu 20.04+内核Linux Kernel 3.10+软件版本Docker 20.10+ 或 Podman 3.0+，Trivy 0.40+（安全扫描工具）资源规格2C4G（最小）/ 4C8G（推荐），磁盘 50GB+（存储镜像与缓存）网络可访问 Docker Hub/阿里云镜像仓库（","/article/121",309,"2026-01-06 11:54:35","2026-01-06 12:01:59",{"id":288,"category_id":44,"title":289,"keywords":6,"description":290,"image_url":6,"url":291,"hits":292,"is_recommend":73,"is_top":73,"create_time":293,"update_time":294},120,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(二)","五、故障排查和监控5.1 故障排查◆ 5.1.1 日志查看# 查看 Prometheus 日志中的规则评估错误journalctl -u prometheus | grep -i \"rule\" | tail -50# 查看规则评估耗时curl -s http://localhost:9090/api/v1/rules | jq '.data.groups[].rules[] | select(.health != \"ok\")'# Kubernet","/article/120",282,"2026-01-06 11:53:50","2026-01-06 11:54:33",{"id":296,"category_id":44,"title":297,"keywords":6,"description":298,"image_url":6,"url":299,"hits":300,"is_recommend":73,"is_top":73,"create_time":301,"update_time":302},119,"用 Prometheus Recording Rules 把告警噪声砍掉 70%(一)","一、概述1.1 背景介绍在大规模微服务架构下，Prometheus 告警系统往往会陷入一个尴尬的境地：告警太多，运维团队开始选择性忽略；告警太少，真正的故障又可能漏掉。我在某电商平台负责监控体系建设时，团队每天要处理超过 2000 条告警，其中 70% 以上是重复的、关联的或者短暂抖动产生的噪声。Recording Rules 是 Prometheus 提供的预计算机制，可以将复杂的查询表达式预先计算并存储为新的时间序列。通过合理设计 Recording Rules，我们不仅能显著降低 Prom","/article/119",301,"2026-01-06 11:51:58","2026-01-06 11:53:45",{"id":304,"category_id":44,"title":305,"keywords":6,"description":306,"image_url":6,"url":307,"hits":308,"is_recommend":73,"is_top":73,"create_time":309,"update_time":310},118,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(二)","四、最佳实践和注意事项4.1 最佳实践4.1.1 性能优化优化点一：减少 Git 轮询频率# argocd-cm ConfigMapapiVersion: v1kind: ConfigMapmetadata:  name: argocd-cm  namespace: argocddata:  timeout.reconciliation: 300s  # 默认 180","/article/118",305,"2026-01-06 11:49:00","2026-01-06 11:49:34",{"id":312,"category_id":44,"title":313,"keywords":6,"description":314,"image_url":6,"url":315,"hits":316,"is_recommend":73,"is_top":73,"create_time":317,"update_time":318},117,"GitOps 落地实践：ArgoCD + Kustomize 实现声明式基础设施管理(一)","一、概述1.1 背景介绍GitOps 作为云原生时代的运维范式，将 Git 作为基础设施和应用配置的单一事实来源，通过声明式配置和自动化同步机制，实现了配置管理的版本控制、审计追溯和快速回滚。ArgoCD 作为 CNCF 毕业项目，提供了完整的 GitOps 工作流，支持多集群管理、RBAC 权限控制、SSO 集成等企业级特性。结合 Kustomize 的配置管理能力，能够优雅地解决多环境配置差异、敏感信息管理、配置复用等问题。在传统的 CI/CD 流程中，往往由 CI 工具直接执行 kubec","/article/117",310,"2026-01-06 11:45:03","2026-01-06 11:48:56",{"id":320,"category_id":40,"title":321,"keywords":322,"description":323,"image_url":6,"url":324,"hits":325,"is_recommend":73,"is_top":73,"create_time":326,"update_time":327},116,"运维部门年度2025工作总结与2026工作规划应该如何写？","运维部门年度2025工作总结,2026工作规划","2025年，运维部在公司“数字化转型深化”战略引领下，以“稳定为基、效率为纲、安全为盾、创新为翼”为核心导向，全面支撑核心业务系统运行、推动技术架构迭代、强化团队能力建设。 全年实现核心业务系统可用性99.985%，较2024年提升0.02个百分点；故障平均恢复时间（MTTR）从42分钟压缩至29分钟，下降31%；云资源成本同比降低16.8%，自动化运维覆盖率从65%提升至83%，未发生重大生产安全事故，圆满完成年度目标。现将全年工作及2026年规划汇报如下：2025年核心工作成果（数","/article/116",297,"2026-01-06 11:20:58","2026-01-06 11:44:04",{"id":329,"category_id":40,"title":330,"keywords":331,"description":332,"image_url":6,"url":333,"hits":334,"is_recommend":73,"is_top":73,"create_time":335,"update_time":336},115,"Kubernetes 100个常用命令","100 个 Kubectl 命令","这篇文章是关于使用 Kubectl 进行 Kubernetes 诊断的指南。列出了 100 个 Kubectl 命令，这些命令对于诊断 Kubernetes 集群中的问题非常有用。这些问题包括但不限于：• 集群信息• Pod 诊断• 服务诊断• 部署诊断• 网络诊断• 持久卷和持久卷声明诊断• 资源使用情况• 安全和授权• 节点故障排除• 其他诊断命令：文章还提到了许多其他命令，如资源扩展和自动扩","/article/115",3642,"2023-11-02 14:09:30","2023-11-02 14:10:05",{"id":183,"category_id":44,"title":184,"keywords":185,"description":186,"image_url":6,"url":187,"hits":188,"is_recommend":73,"is_top":73,"create_time":189,"update_time":190},1784716029105]