JS/TS Convert unix timestamp to Time String
To Convert a unix timestamp to humman readable string, use new Date() with parameter * 1000, convert unix timestamp to…
Month October 2022
Install ImageMagick and PHP Imagick on CentOS 8 / RHEL 8
Install ImageMagick and php-ImageMagick on centos8 install ImageMagick Install php and php-pear, compile tools Now, install PHP Imagick with pecl command. Add…
Install php7.4 on Centos8/Oracle Linux 8
Install epel-release check all available PHP versions using the following command: The default PHP version is set to PHP 7.2.…
Macos ITerm2 SSH Session Keepalive
In Macos, Item2 do not have a builtin ssh keepalive configuration, to config ssh keepalive, setup ssh config for current…
Centos Close Systemd Port 111
In Centos/RHEL, systemd listens on port 111 which is used by rpcbind service, for security reason, close it or disable…
Tcpdump Container Network Traffic
Get pod host IP and container ID SSH to host where pod is running. Get container interface id On the…
OVS调试排查指南
一、查看网卡状态：netstat -i 二、ARP操作查看ARP表：ip neigh show 删除ARP条目：ip neigh del x.x.x.x dev tun0 添加ARP条目：ip neigh add 三、OVS相关指令导出br0网桥上的流表：ovs-ofctl -O OpenFlow13 dump-ports-desc br0 列出网桥的端口：ovs-vsctl…
Mysql 8 CheatSheet
Database Operation Table Operation User Operation Backup/Restore
Mysql 8.0 Allow Root Remote Login
When setting up mysql with mysql_secure_installation, Disallow root login remotely set to no, but login with root user from remote…