Subnet Calculator

Published February 3, 2026

Copy a file from Windows to Linux

scp C:\path\to\win11.vhdx root@192.168.100.21:/var/lib/vz/images/

Published July 21, 2008

Time Keeping in Linux

Setting System Time To set the system clock under Linux, use the date command. As an example, to set the current time […]

Published February 3, 2015

What version of Centos is my server running?

This post shows how to find out what version of Centos you are running from the command line. tail /etc/redhat-release This will […]

Published July 30, 2015

Change Centos IP address

In common situation, “system ip address” is the ETH0 address. So edit /etc/sysconfig/network-scripts/ifcfg-eth0 with your favourite text editor and run service network […]