Do not put SSH port to above 1024

Many of us might think about changing the SSH port is a must-have item for enhancing security. However, the fact is that if we do not fully understand how does …

How to read Linux top command output

When using Linux, the top command might be the most used command for system administrators. This provides a quick look on how your server / VPS is performing and we …

Bash script to check if a service is running

In production sites, we normally need to ensure that everything must go fine. However, in many cases, some server services are terminated which causes your website broken/died. For example, sometimes …