Linux | GoLinuxCloud

5 practical examples to list running processes in Linux

How to list processes by user and name in Linux? How to check if process is running by pid? How to check process status? which command is used to kill a process? In this tutorial ...

5 system tools to monitor network traffic in Linux with examples

How to monitor network traffic in Linux? How to monitor application network traffic real time in Linux? How to perform speed test using command line in Linux? How to monitor network speed in graphical and ...

5 easy & useful ways to check Linux kernel version

In this tutorial I will share multiple commands and methods you can use to check the Linux kernel version. We know that kernel is the core component in Linux and it is important that you ...

4 useful methods to automate ssh login with password in Linux

How to automate SSH login with password? How to pass password to scp command used in bash script ? How to perform SSH login with password instead of using private key? How to pass password ...

Simple guide to concatenate strings in bash with examples

How to concatenate strings with underscore, newline, whitespace or any other character in bash? How to append substrings in a string in bash or shell script? How to append starings in a variable using for ...

How to properly remove old kernels RHEL/CentOS 8

With earlier RHEL/CentOS releases we used package-cleanup to remove old kernel packages. But with recent release of RHEL/CentOS 8, package-cleanup cannot be used to remove old kernels. Now we have installonly_limit and oldinstallonly which is ...

Beginners guide to use getopts in bash scripts & examples

In this tutorial we will learn about getopts in bash or shell programming language. getopts is short abbreviation for "get the options" which you have supplied in the form of flags to the script. It ...

Difference .bashrc vs .bash_profile (which one to use?)

We have different configuration files which are used to setup system wide configuration. But we always have some requirement to setup user specific customization such as umask, alias, PATH variable etc. In such case we ...