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- Newsgroups: comp.os.linux
- Path: sparky!uunet!microsoft!hexnut!markcha
- From: markcha@microsoft.com (Mark Chace)
- Subject: Re: Can't log in as non-root...
- Message-ID: <1993Jan02.093300.11092@microsoft.com>
- Date: 02 Jan 93 09:33:00 GMT
- Organization: Microsoft Corporation
- References: <chans.725921524@marsh>
- Lines: 29
-
- In article <chans.725921524@marsh> chans@cs.curtin.edu.au (Sean Chan) writes:
- >Sorry if this question has been asked before but I can't find it, but I
- >can't log in as root anymore. This happened AFTER I tried symlinking
- >libc.so.4 to libc.so.4.2. The error I get is :-
- >
- >login: user1
- >-bash: can't load library '/lib/libc.so.4'
- > Permission denied
-
- The problem is that the library needs to be world readable. Do a
-
- chmod a+r /lib/libc.so.4.2
- >
- >I've tried chowning libc.so.4 to bin.bin or root.other (currently it's
- >root.root) but it makes no difference. Also, once I've got libc.so.4.2
- >done, can I delete libc.so.4.0 and libc.so.4.1??
-
- Probably not. When linked, a jump-table program will contain an imbedded
- name of the shared library to load. By the magic of jump tables, a
- program will be compatable with future shared libraries, which is why you
- you can create a link from the old name to the new name.
-
- As long as you have a program that has the old name imbedded in it, you
- need a file with the name of the static image for linux to load, or the
- program will refuse to run. You can deturmine what name a program uses
- for the image with the ldd program.
-
- Mark
-
-