The popular cross-platform Sublime Text editor finally offers official Linux apt repository to make it easy to install and receive an update in Ubuntu. Sublime Text is a proprietary source code editor with a Python API. It supports many programming languages and markup languages, and its functionality...

This tutorial shows a simple way to know when someone logged in as root or normal user it should send an email alert notification to the specified email address along with the IP address of the last login. So, once you know the IP address of the last login made by an unknown user you can block SSH login of particular IP address on iptables Firewall. Set up an email alert when a User login in Linux...

System Information uname -a Display Linux system information uname -r Display kernel release information cat /etc/redhat-release Show which version of redhat installed uptime Show how long the system has been running + load hostname Show system host name hostname -I Display the IP addresses of the host last reboot ...