---
title: "automation"
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author: "Mohammad Abu Mattar"
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---

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# Automation

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# Automation

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[![Bash Script Locking: Prevent Concurrent Runs with a PID File](/_astro/hero.CF-paSMK_vzFHW.webp)](/codesnippets/post/bash-script-locking-pid-file)

## [Bash Script Locking: Prevent Concurrent Runs with a PID File](/codesnippets/post/bash-script-locking-pid-file)

-   [Bash](/codesnippets/categories/bash)
-   [Automation](/codesnippets/categories/automation)
-   18 Aug 2026
-   04 Mins read

Quick Tip Wrap any script that must not run twice at once in a PID-file lock, and a second copy simply exits instead of corrupting your data. The Problem The Problem Cron does not c

[#Bash](/codesnippets/tags/bash)[#Pid file](/codesnippets/tags/pid-file)[#Locking](/codesnippets/tags/locking)+3 tags

[Bash](/codesnippets/bash)

[View Code](/codesnippets/post/bash-script-locking-pid-file)

[![Bash Retry Function: Automatically Retry Failing Commands with Exponential Backoff](/_astro/hero.Dap62rVN_Z1q0nar.webp)](/codesnippets/post/bash-retry-function-exponential-backoff)

## [Bash Retry Function: Automatically Retry Failing Commands with Exponential Backoff](/codesnippets/post/bash-retry-function-exponential-backoff)

-   [Devops](/codesnippets/categories/devops)
-   [Shell scripting](/codesnippets/categories/shell-scripting)
-   20 Jul 2026
-   05 Mins read

Quick Tip Wrap any flaky command in one reusable retry function and stop re-running red pipelines by hand. The Problem The Problem Some commands fail for reasons that have nothing to

[#Bash](/codesnippets/tags/bash)[#Retry](/codesnippets/tags/retry)[#Exponential Backoff](/codesnippets/tags/exponential-backoff)+3 tags

[Bash](/codesnippets/bash)

[View Code](/codesnippets/post/bash-retry-function-exponential-backoff)

[![AWS EC2 Instance Management with Boto3: Start, Stop, and Query Instances](/_astro/hero.PnHlvJay_ZkFqWG.webp)](/codesnippets/post/aws-ec2-instance-management-boto3-python)

## [AWS EC2 Instance Management with Boto3: Start, Stop, and Query Instances](/codesnippets/post/aws-ec2-instance-management-boto3-python)

-   [Cloud](/codesnippets/categories/cloud)
-   [Aws](/codesnippets/categories/aws)
-   14 Apr 2026
-   10 Mins read

If you've ever spent 20 minutes clicking through the AWS Console just to stop a handful of dev instances, you already know the pain. It's tedious, it doesn't scale, and one wrong click can ruin your a

[#AWS](/codesnippets/tags/aws)[#EC2](/codesnippets/tags/ec2)[#Boto3](/codesnippets/tags/boto3)+6 tags

[Python](/codesnippets/python)

[View Code](/codesnippets/post/aws-ec2-instance-management-boto3-python)