helpful_ubuntu_commands
Differences
This shows you the differences between two versions of the page.
| Both sides previous revisionPrevious revisionNext revision | Previous revision | ||
| helpful_ubuntu_commands [2025/03/20 11:05] – mike | helpful_ubuntu_commands [2025/07/20 10:04] (current) – [Helpful Ubuntu/Linux Commands and Procedures] mike | ||
|---|---|---|---|
| Line 10: | Line 10: | ||
| === List processes and the ports they are listening on === | === List processes and the ports they are listening on === | ||
| netstat -tulpn | grep LISTEN | netstat -tulpn | grep LISTEN | ||
| + | or | ||
| + | ss -tulpn | grep LISTEN | ||
| | | ||
| === Reload systemd manager configuration after changes made === | === Reload systemd manager configuration after changes made === | ||
| Line 41: | Line 43: | ||
| du -a /dir/ | sort -n -r | head -n 20 (replace 20 with the # of lines you wish to have returned) | du -a /dir/ | sort -n -r | head -n 20 (replace 20 with the # of lines you wish to have returned) | ||
| + | === Find the oldest file in a directory (and it's subdirectories) === | ||
| + | find . -type f -printf '%T+ %p\n' | sort | head -n 1 | ||
| + | | ||
| === Disable colors in the vi editor by default === | === Disable colors in the vi editor by default === | ||
| Create (or edit, if it exists) ~/.vimrc; into this file add the command syntax off, and save the file. | Create (or edit, if it exists) ~/.vimrc; into this file add the command syntax off, and save the file. | ||
| Line 94: | Line 99: | ||
| Then proceed to format the new drive, i.e. **mkfs -t ext4 /dev/sdb1** | Then proceed to format the new drive, i.e. **mkfs -t ext4 /dev/sdb1** | ||
| + | ==== Changing the server' | ||
| + | sudo vi / | ||
| + | find the existing IP and change it to the desired IP; ' | ||
| + | sudo netplan apply | ||
| + | | ||
| + | ==== Changing the server' | ||
| + | hostnamectl set-hostname [new host name] | ||
| + | | ||
helpful_ubuntu_commands.1742493943.txt.gz · Last modified: by mike