4.8-STABLE /dev/null issue

Sunil Sunder Raj unixtools at hotmail.com
Wed Jun 4 04:10:25 PDT 2003

The permissions on /dev/null is changed by some one. Please try

cd /dev
rm null
mknod null c 2 2
chmod 666 null


>From: Scott Kupferschmidt <sk at isprime.com>
>To: freebsd-questions at freebsd.org
>Subject: 4.8-STABLE /dev/null issue
>Date: Tue, 3 Jun 2003 00:34:58 -0400 (EDT)
>This may have been previously discussed, but I have yet to find a solution
>yet so looking to find some guidance here.
>I have a customer who has 2 servers, one is 4.8-RC and the other is
>4.8-STABLE.  No problems have been noted on his server with 4.8-RC,
>however the one running 4.8-STABLE seems to have some random /dev/null
>permission changes and I'm stumped.
>He runs a cron script (on both servers) and redirects the output to
>/dev/null, and everytime he does it on the 4.8-STABLE the permissions
>change from crw-rw-rw- to crw-r--r-- which is rather odd.  Anytime I 'echo
>blah >/dev/null' just in a regular shell, nothing goes wrong, only when in
>Errors reported in /var/log/maillog are something like this:
>Jun  2 21:06:56 diamond sm-msp-queue[97747]: h5316uZO097747: disconnect:
>open("/dev/null") failed: Permission denied
>Also, cron reports similar:
>Subject: Cron <sk at diamond> echo blah >/dev/null
>X-Cron-Env: <SHELL=/bin/sh>
>X-Cron-Env: <HOME=/home/sk>
>X-Cron-Env: <PATH=/usr/bin:/bin>
>X-Cron-Env: <LOGNAME=sk>
>X-Cron-Env: <USER=sk>
>cannot create /dev/null: permission denied
>I cvsup'd, rebuilt the world, mergemaster'd the system to the latest and
>still experience issues.  Was there a change between 4.8-RC and 4.8-STABLE
>that is causing this that I am just overlooking here?
>Any advice is greatly appreciated, as of right now I am banging my head.
>Scott Kupferschmidt
>ISPrime, Inc.
>866.502.4678 ext. 3
>AIM: Scott ISPrime - ICQ: 174337249
>freebsd-questions at freebsd.org mailing list
>To unsubscribe, send any mail to 
>"freebsd-questions-unsubscribe at freebsd.org"

HCL Beanstalk PCs. You could win one. 
http://server1.msn.co.in/sp03/hclbeanstalktour/index.asp Interested?

More information about the freebsd-questions mailing list