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Full Discussion: Sbin/agetty loop Prevents Boot of Slackware 12.1 Fileserver
Operating Systems Linux Slackware Sbin/agetty loop Prevents Boot of Slackware 12.1 Fileserver Post 303012198 by 5pac3m0nk3y on Wednesday 31st of January 2018 01:26:34 PM
Old 01-31-2018
Sbin/agetty loop Prevents Boot of Slackware 12.1 Fileserver
HI everyone,
Nice to meet you all.
I recently rebooted Slackware 12.1 running on a Dell PowerEdge 2400. after 240 days of continuous run-time, and discovered it gets stuck in a sbin/agetty loop. We were rebooting because trying to mount root in webmin broke a bunch of things. Couldn't even get in as root through putty anymore.

I've found three options for dealing with this:

1) boot from a Slackware live CD (do these exist?), mount the hard drive
root partition, copy the libc.so from the cd /lib (the libc.so file, not the symlink) in the
/lib of the mounted root partition (maybe make a backup of the libc.so before) and
redo a symlink if necessary.

2.) Glibc Recovery as mentioned at a link I can't post here.

3.) manually copied over the /sbin/agetty executable (making sure that the kernel was the same version and that the kernel targeted a compatible processor) and that showed me yet _another_ executable was missing. So then I just kept manually copying until it worked. Not sure how to ensure the kernels are the same at this point. I got the 12.1 disc though. No other Slackware 12.1 machines running here unfortunately. I could install a virtual one maybe in virtual box and copy the files that way?

Fortunately I already got most all of the samba shares, the windows mounts onto an external drive using Ubuntu live CD. I also attempted to create an image of the primary partition over to external drive. But I did it while it was mounted and now worry it may be corrupted. I''m wondering the best way to back up the whole system before trying some of the approached mentioned.
Clonezilla? Ease US TO DO? Partition Magic?

Wouldn't creating an image of the partition to an external drive fails if the fact it was mounted was an issue? I'm hoping I don't have to do it again since it takes hours with that 2.0 USB port.

Thanks for your advice,
Al
5pac3m0nk3y
 

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LEARN ABOUT CENTOS

hd

HD(4)							     Linux Programmer's Manual							     HD(4)

NAME

       hd - MFM/IDE hard disk devices

DESCRIPTION

       The  hd*  devices  are block devices to access MFM/IDE hard disk drives in raw mode.  The master drive on the primary IDE controller (major
       device number 3) is hda; the slave drive is hdb.  The master drive of the second controller (major device number 22) is hdc and	the  slave
       hdd.

       General	IDE block device names have the form hdX, or hdXP, where X is a letter denoting the physical drive, and P is a number denoting the
       partition on that physical drive.  The first form, hdX, is used to address the whole drive.  Partition numbers are assigned  in	the  order
       the  partitions	are  discovered,  and only nonempty, nonextended partitions get a number.  However, partition numbers 1-4 are given to the
       four partitions described in the MBR (the "primary" partitions), regardless of whether they are unused or extended.  Thus, the first  logi-
       cal  partition  will be hdX5.  Both DOS-type partitioning and BSD-disklabel partitioning are supported.	You can have at most 63 partitions
       on an IDE disk.

       For example, /dev/hda refers to all of the first IDE drive in the system; and /dev/hdb3 refers to the third DOS "primary" partition on  the
       second one.

       They are typically created by:

	      mknod -m 660 /dev/hda b 3 0
	      mknod -m 660 /dev/hda1 b 3 1
	      mknod -m 660 /dev/hda2 b 3 2
	      ...
	      mknod -m 660 /dev/hda8 b 3 8
	      mknod -m 660 /dev/hdb b 3 64
	      mknod -m 660 /dev/hdb1 b 3 65
	      mknod -m 660 /dev/hdb2 b 3 66
	      ...
	      mknod -m 660 /dev/hdb8 b 3 72
	      chown root:disk /dev/hd*

FILES

       /dev/hd*

SEE ALSO

       chown(1), mknod(1), sd(4), mount(8)

COLOPHON

       This  page is part of release 3.53 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

Linux								    1992-12-17								     HD(4)
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