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Linux Administration

CentOS / FAQ / fedora / Linux Administration / Package Management / Red Hat

What is the difference between DNF and YUM?

June 21, 2015April 22, 2021 - by Magesh Maruthamuthu - 5 Comments.

Yum Package Manager has been replaced by DNF Package Manager since many long-standing issues in Yum remain unresolved. These problems include poor performance, excessive memory usage, slowdown for dependency resolution. …

What is the difference between DNF and YUM? Read More
Configuring Logrotate in Linux
Linux / Linux Administration / Linux Troubleshooting / Log Analysis / Log Monitoring / Log Viewer

How to configure Logrotate in Linux

September 29, 2014September 7, 2021 - by Magesh Maruthamuthu - Leave a Comment

Logs can be very useful, especially when troubleshooting an issue. It contains information about all the events for a service which includes Errors, Warnings and Informational messages. Log file contents …

How to configure Logrotate in Linux Read More
Linux Administration / Linux Basic / Linux Commands

How to Copy files and folders in Linux

January 24, 2014April 19, 2021 - by Magesh Maruthamuthu - Leave a Comment

Being a Linux user, copying files and directories is one of the most common tasks. Linux users don’t spend a day without using the cp (copy) command according to my …

How to Copy files and folders in Linux Read More
Linux / Linux Administration / Linux Basic / Linux Commands / System Diagnostic Tool / system monitoring / System Performance Monitoring Tools

How to check running process in Linux

December 26, 2013November 29, 2021 - by Magesh Maruthamuthu - Leave a Comment

Many Linux commands can be used to view processes running on a Linux system. ‘ps’ and ‘top’ command are widely used by many Linux administrators to view running processes and …

How to check running process in Linux Read More
FAQ / Linux Administration / Linux Commands / Package Management

How to find out if a package is installed in Linux?

December 19, 2013April 15, 2021 - by Magesh Maruthamuthu - Leave a Comment

A Linux package is a software package that contains lot of files and information about those files. Every software on Linux is installed using packages. Package installation on Linux sometimes …

How to find out if a package is installed in Linux? Read More
Deleting Files Older Than 30 Days in Linux
FAQ / Linux Administration / Linux Blog

How to Delete files older than 30 Days in Linux

December 14, 2013September 9, 2021 - by Magesh Maruthamuthu - Leave a Comment

It is a best practice to find and remove old or unused files from the Linux system after a certain period of time, as this will free up some space …

How to Delete files older than 30 Days in Linux Read More
FAQ / Linux / Linux Administration / Linux Basic

How to count Inode usage in Linux?

December 6, 2013March 24, 2021 - by Magesh Maruthamuthu - 4 Comments.

We all know that everything is a file in Linux. Each and every file & folder is considered as inode, which includes normal file, directory, link file, block file, device …

How to count Inode usage in Linux? Read More
apache-tutorials / FAQ / Linux Administration / Linux Commands / webserver

How to check number of concurrent Apache connections in Linux

November 18, 2013June 7, 2021 - by Magesh Maruthamuthu - Leave a Comment

Usually, we use the top command to check the server performance when facing a slowness in the web application, which is the first level troubleshooting step employed by every Linux …

How to check number of concurrent Apache connections in Linux Read More
How to compress files in Linux using gzip command
Linux / Linux Administration / Linux Basic / Linux Commands

How to compress files in Linux using gzip command

September 30, 2013February 25, 2023 - by Magesh Maruthamuthu - Leave a Comment

gzip (stands for General file (de)compression) is one of the most popular compression algorithms that allows you to reduce the size of a file and free up some space when …

How to compress files in Linux using gzip command Read More
Bash Script / Linux Administration / Linux Commands / Shell Script

How to Backup users Home directory in Linux?

September 23, 2013May 23, 2021 - by Magesh Maruthamuthu - Leave a Comment

Taking regular backups of your important data is a good practice, which allows you to restore it whenever required. In preparation for a backup, it’s a good idea to remove …

How to Backup users Home directory in Linux? Read More

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