What is my Public IP Address ?
Every machine which is connected to internet gets assigned with one unique IP address till it remains … Read more
Linux Host, Ubuntu, SysAdmin
How to Check IP Address, Network Interface details in Linux ?
If you want to know the IP address and currently active network interfaces on Linux, we need … Read more
Solved: “is not in the sudoers file. This incident will be reported”
When we created a new user using “adduser” command, by default the user doesn’t have sudo (admin) … Read more
How to Create a Bootable USB Pen Drive For Installing Ubuntu ?
The first step to install Ubuntu on your laptop/desktop is for us to create the bootable pendrive … Read more
How to Switch Between Multiple Java Versions On Ubuntu Linux ?
If you have installed multiple JDK on ubuntu and sometimes you might need to change the version … Read more
How to Count number of lines in a file in Linux ?
When you are just interested into number of lines in a file to make some decision based … Read more
How to show progress bar while copying data using Rsync ?
Rsync is very good tool for copying data from remote machine in Linux. The best part of … Read more
How to Add User to Group in Linux ?
By default, when you create a new user in Linux, it also creates a group with same … Read more
Tree command in Linux with examples
The “tree” command in Linux is a utility that displays a hierarchical tree-like structure of the contents … Read more
Fixed : Waiting for cache lock: Could not get lock
When we tried to install one package using “apt-get install” , we got following error, and we … Read more
