This post will guide you how to grep a word from a text file using grep command under Linux opearting systems. How do I find specific word in a file on your Linux system. Grep… read more »
When you writing a bash script, you may be need to check if a given file or directory exists or not. And this post will guide you how to if a file or directory exists… read more »
This post will guide you how to find out all background processes in your Linux operating system. How do I show what processes are running in the background using a command on Linux. Run A… read more »
This post will guide you how to write an Bash shell script to read a given file line by line in your Linux system. You can use while read line construction to read a file… read more »
This post will guide you how to rename multiple files or directories using rename command under your Linux operating system. How do I rename multiple directoreis using a bash shell script in your Linux system…. read more »
This post will guide you how to use APT tool for the package management on your Ubuntu or Debian based systems. How do I use the APT package management tool to install, remove,update,upgrade and manage… read more »
This post will guide you how to download remote files using curl command from the command line on your Linux system. How do I download multiple files with curl command on Linux or unix systems…. read more »
This post will guide you how to use Sleep command from the command line on your Linux operating system. How do I use Sleep comand on a bash shell script. Command NAME sleep – delay… read more »
This post will guide you how to install SSH server on your Ubuntu or Debian based system from the command line. How do I install SSH client or enable SSH on Ubuntu Linux system. What… read more »
This post will guide you how to upgrade the current lower Fedora Linux to the latest version of Fedora 30 Linux. How do I updgrade Fedora 29 to Fedora 30 from the command line. Upgrading… read more »
This post will guide you how to check All running proceses from the command line in your Ubuntu 16.04 or 18.04 system. How do I check running process using ps command under Ubuntu or Debian… read more »
This post will guide you how to kill a process using kill, killall or pkill command from the command line in your Linux system. How do I find out the ID of a running process… read more »
This post will guide you how to disable Firewall on your CentOS 7 or CentOS 8 or Ubuntu Linux system. How do I Stop Firewalld or UFW service on your CentOS or Ubuntu Linux from… read more »
This post will guide you how to list all Open TCP or UDP ports in your Linux Operating system. How do I dispaly all listening ports using the netstat, ss, nmap and lsof commands in… read more »
This post will guide you how to start or restart network service on the latest Ubuntu 18.04 or Debian linux system. How do I start, stop or restart Network service from the command line on… read more »
