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RunLevel 1
Overview
Debian Doku for RunLevel
Linux starts different servicec as different RunLevels.
Depending on the RunLevel different services are available:
RunLevel 1: Single-user mode. Most basic mode. Only textconsole available.
RunLevel 2: Multi-user mode. You can now use different users.
RunLevel 3: Networking is now available.
RunLevel 4: Reserved.
RunLevel 5: Starts the
GUI. This is the normal RunLevel.
Change runlevel at boot time
This will change the RunLevel only for one startup.
Reboot
In the GRUB menue press 'e' to edit the boot configuration
Add a single '1' (for RunLevel 1) to the end of the line, which starts with
linux
linux /vmlinuz-3.5.0-54-generic root=/dev/mapper/faramir-root ro 1
Press F10
to boot
Changerunlevel at run time
This does not work on all Systems.
Ubuntu does not seem to like this method.
But it works on more basic system like on a Beagle Bone.
sudo init 1
Switch back to graphical mode