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Forgotten my Root Passwd
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Original Message
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Name: Larry
Date: October 16, 2003 at 02:07:47 Pacific
Subject: Forgotten my Root PasswdOS: Solaris9CPU/Ram: E250/256MB |
Comment: Had forgotten my Root passwd. Tried booting to Single User mode via Cdrom, mount boot disk partition, and attempt to edit the 'root' entry of the /mnt/etc/shadow file. However, it was flag as 'Read' only, and I can't change anything within though I can view its content! The same for /mnt/etc/passwd file too! Any workaround for this besides having to re-format my server??!! Grateful for soonest possible advise! TiA. Larry
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Response Number 2
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Name: wpatte
Date: October 16, 2003 at 11:37:29 Pacific
Subject: Forgotten my Root Passwd
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Reply: (edit)Use the software cd 1 of 2 to recover the root password: boot cdrom -s from ok prompt mkdir /tmp/a mount /dev/dsk/c0t0d0s0 /tmp/a cd /tmp/a/etc TERM=vt100; export TERM vi shadow delete passwd entry (13 chars) in the line for the root account
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Response Number 3
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Name: cha-to
Date: October 16, 2003 at 15:17:21 Pacific
Subject: Forgotten my Root Passwd
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Reply: (edit)You needn't reformat your server. Do what you described in your original post, but when you want to edit the /etc/shadow file, use vi to view the file, and when you are ready to write, type in :w! instead of just :w That'll save read-only files. http://osr5doc.ca.caldera.com:457/OSUserG/_Stopping_vi.html If you are not familiar with vi, then my advice would be for you to get a bit more familiar with it before you attempt to edit the /etc/shadow file using vi. D.O.
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Response Number 4
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Name: Larry Lim
Date: October 18, 2003 at 00:27:00 Pacific
Subject: Forgotten my Root Passwd
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Reply: (edit)Hi,
Tried following tips from Response 2 & 3, but No luck still!
When I tried to 'mount /dev/dsk/c0t0d0s0 /tmp/a', system prompt me "mount: the state of /dev/.. is not okay and it was attempted to be mounted read/write" The only way I can mount the partition is 'mount -F ufs -r /dev/dsk/c0t0d0s0 /tmp/a' However, after I've edit the /tmp/a/etc/shadow file and tried to do a ':w!', it prompted me "Shadow is a Read-only file".. Likewise for the passwd file! Help!
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Response Number 5
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Name: cha-to
Date: October 18, 2003 at 09:00:14 Pacific
Subject: Forgotten my Root Passwd
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Reply: (edit)well, the -r may have mounted the entire file system as read only, which would prevent you from writing to the file system. Try mounting it again, but use -rw instead of -r. If that doesn't work, try they link below. It's a previous post from here, and it's more or less what is listed above, but with a few variations that may make a difference. http://www.computing.net/solaris/wwwboard/forum/3345.html D.O.
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