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Manual fsck help in fedora
Post 302860647 by Smiling Dragon on Sunday 6th of October 2013 11:41:14 PM
10-07-2013
Awesome 
Yeah, single user mode is, well, a mode with only one user
It's like a barebones boot with only the very basic stuff loaded to get the OS going. You can actually set more stuff to start up when you boot single-user but that's asking for trouble as the whole point of single-user mode is to be as basic as possible.
The main differences are:
* There's only the root user and only one user at a time, not multiuser at all (some OS's kind of cheat here though)
* Most filesystems don't mount, and most processes don't start, so it's easier to work on the filesystems without other stuff getting in the way.
You can exit single user mode by simply logging out (exit or ^d) and it should carry on up to multi-user. That said, I actually prefer to reboot round to multi-user instead but that may be me just being overly paranoid
Quote:
It's like a barebones boot with only the very basic stuff loaded to get the OS going. You can actually set more stuff to start up when you boot single-user but that's asking for trouble as the whole point of single-user mode is to be as basic as possible.
The main differences are:
* There's only the root user and only one user at a time, not multiuser at all (some OS's kind of cheat here though)
* Most filesystems don't mount, and most processes don't start, so it's easier to work on the filesystems without other stuff getting in the way.
You can exit single user mode by simply logging out (exit or ^d) and it should carry on up to multi-user. That said, I actually prefer to reboot round to multi-user instead but that may be me just being overly paranoid
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LEARN ABOUT OPENDARWIN
clri
CLRI(8) BSD System Manager's Manual CLRI(8) NAME
clri -- clear an inode SYNOPSIS
clri special_device inode_number ... DESCRIPTION
Clri is obsoleted for normal file system repair work by fsck(8). Clri zeros out the inodes with the specified inode number(s) on the filesystem residing on the given special_device. The fsck(8) utility is usually run after clri to reclaim the zero'ed inode(s) and the blocks previously claimed by those inode(s). Both read and write permission are required on the specified special_device. The primary purpose of this routine is to remove a file which for some reason is not being properly handled by fsck(8). Once removed, it is anticipated that fsck(8) will be able to clean up the resulting mess. SEE ALSO
fsck(8), fsdb(8), icheck(8), ncheck(8) BUGS
If the file is open, the work of clri will be lost when the inode is written back to disk from the inode cache. 4th Berkeley Distribution April 19, 1994 4th Berkeley Distribution