System Administration

Explore the critical world of System Administration, where efficiency and reliability keep computer systems running smoothly. Learn about the tools and techniques for managing servers, networks, and software to ensure optimal performance and security.

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System Administrators are responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers. They ensure that the resources, the performance, and the security of the computers meet the needs of the users, without exceeding the budget. To perform these tasks, SysAdmins must have proficiency in managing operating systems, software installations, and network configurations. They are also involved in routine audits of systems, scheduled backups, and providing technical support and troubleshooting. Effective communication skills are essential, as SysAdmins often need to explain complex issues to non-technical colleagues.

Enable IEx command history

With this flag, IEx will remember the input history between sessions. Helps with faster app restart workflows while developing.

Get File Encoding

Simple shell command to guess the encoding of a text file.

Get the Number of Lines of a file

Simple shell command to count the number of lines of a text file.

How to quickly check backlinks to your site using google

Small google search trick to have an instant overview about sites linking to you

Import SQLite records from another database

See how to copy SQLite rows from an already existing (old) database into another database, table by table, using the ATTACH DATABASE built-in feature from within a bash script.

Shell Command To Resize Images

The quick and efficient way to ad-hoc resize an image file right from bash or zsh terminals using image magick.

SQLite On Delete Callbacks

Leverage the built-in callback handlers of sqlite to ensure that no dangling foreign keys or orphan records exist in your database. Pure SQL solution.

Transform All Image Files to webp

Bash script that replaces all image files within a folder into webp files of the same size.

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illustration of DevOps

Get a glimpse into the world of DevOps, where coding meets collaboration, speeding up everything from software builds to system fixes. Learn about the seamless integration of development and operations to make tech life easier and more efficient.

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