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Everyday Notes from a Unix Administrator. A website created to serve as online notes, documentation, tips and tricks for System administrators.

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Linux allows you to control the upload and download speed on specific network ports. This post is a follow-up on
A Raspberry Pi within an Ethernet network can be used as a wireless access point, creating a secondary network. The
All hardware eventually fails. This is one of the painful side effects of entropy in our universe. For most of
Here's a quick and dirty example to demonstrate Linux file permissions and how to read them. Linux permissions are displayed
The sed utility can be used to print the contents of a file, substitute a line (or multiple lines), and
There are several different authentication schemes that can be used on Linux systems. The most commonly used and standard scheme
Every Linux command has one or more options and flags to perform different operations. One of the useful and important
There are several different authentication schemes that can be used on Linux systems. The most commonly used and standard scheme
Missing rc.local for adding commands to run on startup? Here's how to set up similar functionality with today's systemd. The
If an open file is deleted accidentally, it is possible to use lsof to recreate a copy of the file; provided this