Log analysis on the command line using standard Linux tools
Part 1: Getting familiar with apache logs and how to do a simple analysis.…
$ grep -rn "#Linux" ./posts
Linux: how to split a big compressed file into smaller files
Its very annoying when you try upload archive files into a server, many times there is an upload limit and then you need to split your……
The quick, bad and dirty way to automate SSH jump connections.
As you probably know on many setups the hosts are not directly accessible but there is an SSH gateway on the between (also known as……
Linux: How to zip and unzip
To zip a directory recursively…
How resume your interrupted at 99% scp operation
Imagine the sad scenario: you have started an scp operation of a 10GB file over a slow non-stable line.. time passes by.. slowly and……
How to use sshpass with scp over proxy jump
In this scenario we need to get some files from server B through using server A as a proxy jump, and additionally we need to pass the……
Linux: how to recursively rename files
One of the most common tasks when it comes to file manipulation is renaming files, to rename one or two files manually is easy, but how we……
How to download udemy courses on your computer
udemy is great! you can find any type of courses you like! but one thing that is missing at least from the web version of udemy is to……
How to ssh-copy-id multiple hosts using xargs and sshpass
Imagine the following scenario: create ssh keys and copy the public key to 100 hosts!, ok this is a borring task but it can automated with……
Swatchdog — Tail logs, match a pattern and triger actions
Note: this tutorial requires a configured SMTP server, in case you dont have consider read my article on how to configure postfix to use……