Dima Pasechnik wrote:
On Mar 22, 2:00 am, William Stein <wst...@gmail.com> wrote:
[...]
I've tried usingskynetfor Solaris, but the machines are not very fast, and 
heavily loaded sometimes.
You have to type

 touch/tmp/`hostname`0 /tmp/`hostname`1 /tmp/`hostname`2
/tmp/`hostname`3 /tmp/`hostname`4

I tried this on mark, and got:

bash-3.00$ touch /tmp/
`hostname`
touch: cannot change times on /tmp/mark

indeed:
bash-3.00$ ls -l /tmp/`hostname`*
-rw-r--r--   1 wbhart   sage           0 Oct 15 02:43 /tmp/mark
-rw-r--r--   1 wstein   sage           0 Mar 20 18:56 /tmp/mark0
-rw-r--r--   1 wstein   sage           0 Mar 20 18:56 /tmp/mark1
-rw-r--r--   1 wstein   sage           0 Mar 20 18:56 /tmp/mark2
-rw-r--r--   1 wstein   sage           0 Mar 20 18:56 /tmp/mark3
-rw-r--r--   1 wstein   sage           0 Mar 20 18:56 /tmp/mark4
-
so this does not seem to be working as advertised - one has to be
root, or the users wbhart and wstein
should do appropriate chowns...

Dima

Looking at those permissions, I can understand why it does not work.

Generally it is better to put low-priority jobs at a low priority, so they get very little CPU time when higher priority tasks are running.

Dave

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