How to verify Linux server is secure?
Reading Time: 6 minutes How to verify Linux server security? How you can be sure that the system is fully secured? Bad news is …
Iptables / CSF firewall configuration for Zimbra server
Reading Time: 7 minutes Securing Zimbra email server should be the first priority from the start. For some reason, Zimbra recommends installing it without …
How to open MySQL default port for remote connections on RHEL/CentOS (iptables/CFS)
Reading Time: < 1 minutes In some situations you might need to open MySQL port for remote connection. That might be the case, for example …
How to hide or remove post date or author from GeneratePress theme(s)
Reading Time: < 1 minutes GeneratePress is one of the best WordPress themes. It’s fast and customizable. Easiest way to hide post’s dates / author(s) …
How to add custom iptables rules with CSF
Reading Time: < 1 minutes Configserver Security & Firewall (CSF) is well known iptables based firewall for Linux (Iptables is application used to configure tables, …
How to create DKIM record for domain on Zimbra email server
Reading Time: 2 minutes DKIM stands for DomainKeys Identified Mail. It’s a security standard that ensures authenticity of messages, meaning that messages are not …
WordPress permalinks not working after changing to pretty permalinks – resulting 404-error
Reading Time: < 1 minutes How to fix 404 error appearing after changing permalinks settings to pretty permalinks from WordPress dashboard > settings > permalinks. …
How to disable WordPress PHP errors
Reading Time: < 1 minutes Common scenario is where PHP errors appears on the WordPress website after updating or activating new theme or plug-in. PHP …