Script to check SoYouStart availability

This is the very simple script I currently use to check SoYouStart availability. The script also use MandrillApp for notification email sending. You will need to setup the cron to run …

Install Development Environment for NodeJS on CentOS

This short blog entry will cover how to install nodejs and npm for NodeJS on CentOS. First, install epel repository: yum install http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm For CentOS 7, use yum install http://dl.fedoraproject.org/pub/epel/beta/7/x86_64/epel-release-7-1.noarch.rpm Then, …

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 …