Linux SysAdmin

Linux system administration guides and server configurations

Nginx load balancer and WordPress database replication setup

Environment OS: Ubuntu 22.04 LTS 2 Server, with IP: WP1: 10.10.10.176 WP2: 10.10.10.115 PHP 8.1 I...

How to setup wordpress replication? many ways can be used, like rsync or scp . In this tutorial i...

How to access wordpress replica? You have 2 server, how client access it? Client can access by us...

Global Server Load Balancing with PowerGSLB

Introduction PowerGSLB is a simple DNS based Global Server Load Balancing (GSLB) solution. Main f...

Management Access the Web-interface Administration https://yourip/admin Default User: admin Defau...

If youre add record more than 255 character use this for upgrading maximum character mariadb -u r...

Introduction Zimbra Collaboration, formerly known as the Zimbra Collaboration Suite (ZCS) before ...

Default SSL in zimbra is unsecure, and got red in browser access because not valid, in this artic...

Introduction DKIM is a standard email authentication method that adds a digital signature to outg...