DECsystem 3100 at atrun batch problem
John W. Eaton
jwe at ut-emx.UUCP
Thu Jun 28 19:01:37 AEST 1990
In article <32670 at ut-emx.UUCP>, about jobs not being executed by the
Ultrix version of at(1), I wrote:
: Take a look at the Ultrix version of the man page for at(1) and look
: for the comments about the files /usr/lib/cron/at.{deny,allow}.
In article <1818 at tkou02.enet.dec.com> diamond at tkou02.enet.dec.com
Norman Diamond replied:
> That "answer" does not answer the problem. If the deny (and/or
> allow) lists are not suitably established, then an ordinary user is
> prevented from even submitting a batch/at job.
Ooops, You're right. Requests are met with a message something like
`at: Privilege denied'.
In any case, is this a DECsystem specific bug? We are running Ultrix
3.1 (Rev. 11) on a VAXstation 3200 and `at' works as advertised. It
seems very odd that it would somehow be machine specific...
Also, as someone else mentioned, the at.{deny,allow} are really in
/var/spool/at and not /usr/lib/cron. (On our system, /usr/lib/cron is
just a symbolic link to /var/spool/at.)
> (I'm still not sure of the purpose though, since a user could always
> "nohup" anything that he can't "batch".)
I suppose it just makes it possible for cranky sysadmins to make it
slightly more difficult for users to create jobs that execute at
regular intervals...
--
John Eaton
jwe at emx.utexas.edu
Department of Chemical Engineering
The University of Texas at Austin
Austin, Texas 78712
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