Thanks for reply ! You are rigght, this is systemd unit file. So for filtering I just use ExecStart=/bin/sh -c /opt/sge/bin/sge_qmaster |&grep -v '^RUE_' ? Sorry, but I cannot understand this part.
2018-03-23 12:49 GMT+01:00 William Hay <w....@ucl.ac.uk>: > On Fri, Mar 23, 2018 at 12:07:39PM +0100, Sms Backup wrote: > > Thanks for your replies, > > So in total it would be something like this: ExecStart=/bin/sh -c > > /opt/sge/bin/sge_qmaster |&grep -v '^RUE_' >&/dev/null ? > > No. The grep is intended to replace of the redirection to /dev/null so > as to remove only unwanted messages while allowing anything important > through. You shouldn't use both. Also you probably need to place > everything after the -c in double quotes so it is interpreted by the > shell as I don't think ExecStart parses redirection that way. > > If your current unit file is calling sge_qmaster directly and you want > to throw away (rather than filter) stderr you could use StandardOutput=null > and StandardError=null in the unit file rather than using >&/dev/null. > > Incidentally an earlier post implies you are trying to set the > SGE_CLUSTER_NAME > via shell magic in a context (systemd unit file?) where the shell magic > doesn't work. > > William > >
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