How to Edit fstab Permissions on Linux Mint?

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Asked By CuriousCat42 On

I'm currently using a mini-PC running Linux Mint 22.2 while I'm repairing my main desktop. I've hooked up an old 6 TB hard drive in an enclosure, and I'm trying to set up Plex as a media server for my home network. When I follow the instructions, I hit a snag: I need to add a line to /etc/fstab, but this file is read-only. I've been searching for help but most resources seem to assume I have intermediate knowledge of changing permissions. I know how to make files executable, but that doesn't apply here. Can someone explain how to safely make /etc/fstab writable, and afterward return it to read-only? Also, how could I have found this information on my own? Thanks a lot!

4 Answers

Answered By CommandLineHero On

Sudo is your best friend here! It's like 'run as administrator' on Windows. Just open your terminal and for any command you want to run on /etc/fstab, prefix it with `sudo`. If you want a quick way to edit it, you can use command like `sudo nano /etc/fstab`. Alternatively, there are GUI editors, but Mint doesn’t usually come with them by default. Just be careful – editing system files can be risky!

Answered By BackupNinja On

Always make a backup before editing system files. You can create one by executing `cp /etc/fstab ~/fstab.bak` in the terminal. This makes a copy of your fstab file to your home directory. After backing up, you can then use `sudo nano /etc/fstab` to edit it. Once you're done, run `sudo systemctl daemon-reload` and `sudo mount -a` to apply your changes!

Answered By HelpfulBuddy On

If you're looking for resources, there are plenty of guides and FAQs available online. Just search for 'Linux Mint fstab tutorial' or similar phrases. A good article or community post can often clarify things. Just remember to experiment in a safe environment like a Virtual Machine.

Answered By TechSavvy123 On

To edit the /etc/fstab file, you need to use the terminal with superuser permissions. You can do this by typing `sudo nano /etc/fstab` or `sudo vi /etc/fstab` in the terminal. This allows you to edit the file as if you are logged in as the root user. Once you've made your changes in nano, press Ctrl + X to save and exit, then Y to confirm the changes. Remember that you need to use `sudo` for tasks like this because normal users don't have permission to modify system files.

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