I just need to edit the /etc/network/interfaces file in my otherwise-functional Debian installation, but I can't boot up because it gets stuck at "Configuring network interfaces". So how can I access this file without booting up? Do I need a Live USB?

I'm using the amd64 port of Debian 7.8.

  • what version of Debian? – strugee Apr 5 '15 at 1:03
  • debian-7.8.0-amd64-netinst.iso – Tomblarom Apr 5 '15 at 1:04

You don't need a live environment for this. You just need to boot into a rescue environment, which is easy.

When GRUB comes up, hit the e key, so that you can edit the kernel command-line. Find the line that begins with "linux", use the arrow keys to move down to the end of it, and type single (with a space before it). Then hit either Ctrl-x or F11 (or F10, I can't remember) to boot.

This will drop you into a recovery shell. From there, just type nano /etc/network/interfaces, edit the file, hit Ctrl-o to save, Ctrl-x to exit, and type exit to boot.

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  • Ohh well, thank you so much! I'm new to linux and reinstalled my debian completely new :) I can use that further ;) – Tomblarom Apr 5 '15 at 1:24
  • @8m47x sure thing! if it helps you remember, single stands for "Single User Mode", where the only user is the superuser, root. – strugee Apr 5 '15 at 4:42
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    @8m47x since you're new to GNU/Linux, I'll also point out that (unlike Windows) usually, you can fix your problems without reinstalling. just ask on something like this site and be patient :) – strugee Apr 5 '15 at 4:44
  • This is awsome! I'm so glad to be in this community! – Tomblarom Apr 6 '15 at 9:39

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