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050831 Mariusz P?kala wrote: |
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> On 2005-08-31 09:25:48 -0400 (Wed, Aug), Philip Webb wrote: |
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>> Is it still possible to boot into 'single' mode, |
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>> ie directly into a no-login root system (for emergencies) ? |
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>> The kernel dox suggest this should work in Lilo |
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>> |
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>> image = /boot/kernel-2.6.9-gentoo-r1 |
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>> label = Single |
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>> root = /dev/hda3 |
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>> append="S" |
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>> read-only |
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>> |
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>> but it boots to a login prompt as usual. |
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>> Replacing 'S' with 'single' doesn't work either. |
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>> Does anyone have single mode set up satisfactorily ? |
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> Not tested but found in 'man init', section 'BOOTFLAGS': |
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> -b, emergency |
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> Boot directly into a single user shell without running any |
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> other startup scripts. |
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> so try with append="emergency" |
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Yes, that does make progress: the start-up process suspends, |
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while you have a chance to enter the root password "for maintenance"; |
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after that, you have to exit with 'exit', when the process resumes |
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(or you can enter ^d & it skips maintenance mode). |
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"maintenance mode" seems to be equivalent to booting as root, but ... |
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> The difference lies in that 'single' tells the init process to read and |
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> execute entries in /etc/inittab, while 'emergency' tells to not do it. |
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... presumably it stops just before looking at inittab . |
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> You may also try with append="init=/bin/bash" |
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> or that nice rescue-shell which name just slipped out of my memory. |
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Do you mean Busybox ? |
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> /bin/sash maybe. |
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That got superseded IIRC. |
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Thanx for the advice. Does anyone else have further light to throw ? |
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-- |
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========================,,============================================ |
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SUPPORT ___________//___, Philip Webb : purslow@××××××××××××××.ca |
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ELECTRIC /] [] [] [] [] []| Centre for Urban & Community Studies |
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TRANSIT `-O----------O---' University of Toronto |
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-- |
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