How to test a valid IP address in Linux Bash Shell ?
Here is a quick tip to test a valid IP address on linux bash shell. I have recently used it in one of the scripts i need to prepare. I....
Tag: bash
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Use of shebang #!/bin/bash in Linux shell scripts.
#! is known as shebang sequence. It marks the start of every script in linux. It tells the system what interpreter to use when executing the particular code written in...
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How to freeze and unfreeze your linux bash shell terminal ?
Today we will look at an interesting tip to freeze and unfreeze our linux bash shell terminal. How it works ? Freeze will freeze our terminal and we are not...
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Tip: sudo in the last command in Linux bash shell quickly.
In this post, we will look at an interesting topic how to refer the last command in bash shell. Sudo last command quickly ### Run the command [nglinux@nglinux ~]$...
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Different parameters available in Linux Bash Shell with examples
In this post, we will look at the different parameters available in Linux Bash shell. These parameters are very useful in preparation of shell scripts and in general shell operations....
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Use of exec command in linux bash shell
In this article we will look at the usage of exec command in linux. Lets see an example to understand exec command usage. Usage of exec Command ### Check...
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How to create a custom user command in Linux quickly ?
Today we will check how to create a custom user command in Linux easily. Lets see the procedure step by step. The easiest way is to create a function and...
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Difference between nohup and &(ampersand) in linux ?
In this post we will look at the difference between nohup and &(ampersand) in Linux. As we know & (ampersand) is used to send any command execution to background and...
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How to setup an alert to know about server crash situation ?
Many times our server crashes and reboots and we remain unaware about the situation. To know this situation, we cam setup alerts on our server and take corrective action immediately...
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Brief explanation of process related terms in linux.
In this article, we will look at different terms w.r.t process and understand them. We all should know how to manage process(es) in linux. This post is very useful for...