How to use Cron jobs
A Cron job is a job that runs automatically after a fixed interval of time. A Cron job can either be a command or a shell script that you want …
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How to use NMAP
Nmap (or Nmapper) is a free and open-source network scanner used for analysis, security audits, and network exploration. You use it to discover hosts and services on a computer network …
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How to handle errors in Bash
There are different techniques that we can use to handle errors in bash/shell scripting. Let us see each of these techniques one by one. The easiest way to prevent errors …
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How to use functions in Bash Scripting
This post will look at how you can use functions in Bash Scripting. Head ups! You may want to read the bash scripting basics post if you are new to …
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How to rename a file in Linux
This post will discuss the ins and outs of renaming files in Linux. Heads up! You may want to read our handy Most Used Linux Commands post before continuing further. …
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How to use Bash Operators
Let’s take a look at Bash Operators and see how they can be used in our Bash scripts. This post will focus on arithmetic operators to help you do mathematical …
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Variables in Bash/Shell Scripting
Let’s take a look at defining and using a variable in Bash. We will even look at some unique variables that you will find very handy. Heads up! This post …
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Bash Scripting Basics
Bash is fundamental to Linux, and every Linux user uses it at some point or another. This post will help you understand bash scripting basics and provide some pro-tips! Bash …
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Bash Script to Bulk Delete AWS CloudWatch Log Groups
The AWS Management Console does not allow you to bulk delete multiple AWS CloudWatch Log Groups. Use this bash script to bulk delete AWS CloudWatch log groups. The bash script …
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Prevent CRON running PHP code more than once
Prevent CRON from running your PHP code more than once by using this simple Bash hack! CRON will execute your PHP code regardless of its success or failure. Slow running …
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