system maintenance

Make System Changes with Confidence Thanks to a Robust `Rollback Plan`

2023-02-18
Get Things Done
5 min read

TLDR; A rollback plan is crucial to minimize downtime and prevent loss of data or revenue after a planned change. To create one, identify risks, establish checkpoints, create a plan, and communicate it to stakeholders. Best practices include testing, automating, and documenting the process. Measuring success involves reviewing, evaluating impact,… Read More »Make System Changes with Confidence Thanks to a Robust Rollback Plan

Art of `Troubleshooting` in IT: Isolate, Fix & Document

TLDR; Troubleshooting in IT is a key skill for tech system maintenance. It involves: prep (gather info, ID problem, define scope & prioritize tasks); isolate (eliminate potential causes, test assumptions); resolve (find & implement solution, verify); document (record problem & solution, update knowledge base, share info); prevent (ID root cause,… Read More »Art of Troubleshooting in IT: Isolate, Fix & Document

Mastering Bash `for Loop` with `Expressions`

2023-03-13
Bash, Linux
5 min read

The Bash for loop is a powerful command-line tool that allows you to execute a command or series of commands for a specified number of times. It is a staple of shell scripting and can be used for tasks ranging from simple repetition to complex automation. Requirements and Dependencies To… Read More »Mastering Bash for Loop with Expressions

system maintenance

Make System Changes with Confidence Thanks to a Robust Rollback Plan

Art of Troubleshooting in IT: Isolate, Fix & Document

Mastering Bash for Loop with Expressions

Make System Changes with Confidence Thanks to a Robust `Rollback Plan`

Art of `Troubleshooting` in IT: Isolate, Fix & Document

Mastering Bash `for Loop` with `Expressions`