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Linux Administration

FAQ / Linux Administration / Linux Advanced Commands / Linux Commands

How to delete lines from a file using sed command

August 19, 2019April 12, 2021 - by Magesh Maruthamuthu - 7 Comments.

sed command stands for Stream Editor. It is used to perform basic text transformations in Linux. sed is one of the important command, which plays major role in file manipulations. …

How to delete lines from a file using sed command Read More
FAQ / Linux Administration / Linux Basic / Linux Commands / NTP Client

How to verify if NTP sync is working on Linux?

June 4, 2019May 11, 2021 - by Magesh Maruthamuthu - 3 Comments.

NTP stand for Network Time Protocol, which synchronizes the clock between computer systems over the network. NTP server keep all the servers in-sync with accurate time to perform time based …

How to verify if NTP sync is working on Linux? Read More
Bash Script / Linux Administration / Linux Basic / Shell Script

How to monitor disk space usage with shell script

May 1, 2019July 22, 2021 - by Magesh Maruthamuthu - 15 Comments.

It is an important task for Linux administrators to monitor disk space usage on any system that’s used for hosting critical applications, in order to prevents the system from becoming …

How to monitor disk space usage with shell script Read More
Linux Administration / Linux Basic / Linux Commands / Linux Network Command / Linux Network Tool

How to Enable (UP)/Disable (DOWN) Network Interface Port (NIC) in Linux?

April 15, 2019March 22, 2021 - by Magesh Maruthamuthu - 4 Comments.

In servers, Network interfaces either physical or virtual can be enabled or disabled by running some commands. If any change is performed in NIC due to which the interface is …

How to Enable (UP)/Disable (DOWN) Network Interface Port (NIC) in Linux? Read More
Linux Administration / Linux Commands

How to use Calculator in Linux command line

March 19, 2019July 7, 2021 - by Magesh Maruthamuthu - Leave a Comment

As a Linux administrator you might use the command line calculator many times in a day for doing some math, using bc command. I used the bc command several times …

How to use Calculator in Linux command line Read More
FAQ / Linux Administration / Linux Commands

How to Reload partition table without Reboot in Linux

March 12, 2019May 23, 2021 - by Magesh Maruthamuthu - Leave a Comment

As a Linux administrator you might perform a disk partition task quite often. Most of the time the partition table will be altered successfully after the disk partition in the …

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FAQ / Linux Administration / Linux Basic / Linux Commands

Best 5 commands to check HostName in Linux

February 18, 2019June 29, 2021 - by Magesh Maruthamuthu - Leave a Comment

A hostname (also known as a Computer Name) is a name which is given to a device (It could be a system, switch, router, etc) that is connected to the …

Best 5 commands to check HostName in Linux Read More
FAQ / Linux Administration / Linux Basic / Linux Commands

How to find the Process ID of a program in Linux

September 25, 2018February 26, 2021 - by Magesh Maruthamuthu - Leave a Comment

When working on a Linux system, sometimes you need to figure out what processes are running and which PID or PPID is tied to it. It can be used for …

How to find the Process ID of a program in Linux Read More
Disk Partition / Howtos / Linux Administration

How to resize active root partition in Linux

April 16, 2018February 26, 2021 - by Magesh Maruthamuthu - 4 Comments.

Have you ever had the opportunity to resize an active root partition in Linux? If not, don’t worry, today, we will be discussing it. Disk partitioning is one of the …

How to resize active root partition in Linux Read More
FAQ / Linux Administration / Linux Commands

How to count Files and Directories in Linux

December 12, 2017May 3, 2021 - by Magesh Maruthamuthu - Leave a Comment

Hey folks, here we have a set of tricky commands that will help you to count the number of files and directories in a directory on Linux. If you run …

How to count Files and Directories in Linux Read More

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