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June 24, 2025
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Tag: Linux

Linux Advanced Commands / Linux Commands

How to find largest directories in Linux

October 21, 2019July 29, 2021 - by Magesh Maruthamuthu - Leave a Comment

You may have noticed that the size of a directory is showing only 4KB when you use the ls command to list the directory content in Linux. Is this the …

How to find largest directories in Linux Read More
Bash Script / Shell Script

Bash Script to Generate System Uptime Reports on Linux

September 27, 2019January 14, 2021 - by Magesh Maruthamuthu - 2 Comments.

For some purposes you may need to collect the Linux system uptime report once a month. If so, you can use one of the following bash scripts based on your …

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Linux Advanced Commands / Linux Commands

How to Remove (Delete) Symbolic Links in Linux

September 20, 2019September 20, 2019 - by Magesh Maruthamuthu - Leave a Comment

You may have the opportunity to create or remove symbolic links on Linux. If yes, do you know how to do it? Have you already done that? Are you aware …

How to Remove (Delete) Symbolic Links in Linux Read More
Bash Script / Shell Script

Bash Script to Send a Mail About New User Account Creation

September 11, 2019February 8, 2020 - by Magesh Maruthamuthu - Leave a Comment

For some purposes you may need to keep track of new user creation details on Linux. Also, you may need to send the details by mail. This may be part …

Bash Script to Send a Mail About New User Account Creation Read More
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. …

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Linux Advanced Commands / Linux Commands

How to check Linux Operating System (OS) installation Date And Time

August 13, 2019September 3, 2019 - by Magesh Maruthamuthu - Leave a Comment

Are you curious to check when the Linux Operating System (OS) was installed on your machine ? It could be for various reasons. Recently I had a requirement to find …

How to check Linux Operating System (OS) installation Date And Time Read More
Linux Commands / Service Commands

How to configure systemd to start a service automatically after a crash in Linux

August 6, 2019September 3, 2019 - by Magesh Maruthamuthu - 1 Comment

There are many reasons for systemd crash/go down on Linux, which you can investigate and fix ,but it is time consuming. One thing you can do it immediately to bring the …

How to configure systemd to start a service automatically after a crash in Linux Read More
Shell Script

Bash script to automatically start a services when it goes down on Linux

August 5, 2019February 8, 2020 - by Magesh Maruthamuthu - Leave a Comment

There are many open source monitoring tools are currently available in market to monitor Linux systems performance.Those will send an email alert when the system reaches the specified threshold limit …

Bash script to automatically start a services when it goes down on Linux Read More
Howtos / Linux Commands / linux-tutorials

How to display Asterisks(*) when you type Password in Linux Terminal

July 31, 2019September 4, 2019 - by Magesh Maruthamuthu - 1 Comment

As we all know terminal is a crucial tool for Linux admin, which allow them to perform any kind of task in a secured manner. When you type password in …

How to display Asterisks(*) when you type Password in Linux Terminal Read More
Bash Script / Shell Script

Bash script to send a mail when new user account is created in system

July 30, 2019February 8, 2020 - by Magesh Maruthamuthu - Leave a Comment

There are many open source monitoring tools are currently available in market to monitor Linux systems performance.which will send an email alert when the system reaches the specified threshold limit. …

Bash script to send a mail when new user account is created in system Read More

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