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…
cat linux-how-to-recursively-rename-files.md →$ ls -lh ./posts
// also on this box: ./practice, ./tools and ./games
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…
cat how-to-download-udemy-courses-on-your-computer.md →
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…
cat how-to-ssh-copy-id-multiple-hosts-using-xargs-and-sshpass.md →
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…
cat swatchdog-tail-logs-match-a-pattern-and-triger-actions.md →
Ubuntu: configure postfix as SMTP relay server using Gmail
Install postfix and some tools
cat ubuntu-configure-postfix-as-smtp-relay-server-using-gmail.md →
iftop: how to log network connections for troubleshooting
In the previous article i did a short review of the iftop command, this article will show how to use this command to write the output in a…
cat iftop-how-to-log-network-connections-for-troubleshooting.md →
How to monitor network connections on Linux
iftop is a very useful command that can help us troubleshoot network issues and show statistics about download speed and network…
cat how-to-monitor-network-connections-on-linux.md →