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Top Forums Shell Programming and Scripting How to check if a pid is alive? Post 302124170 by Ygor on Friday 29th of June 2007 03:53:43 AM
Old 06-29-2007
Try...
Code:
if ps -p $id > /dev/null
then 
    : active
else
    : inactive
fi

 

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VGMERGE(8)						      System Manager's Manual							VGMERGE(8)

NAME
vgmerge - merge two volume groups SYNOPSIS
vgmerge [-A|--autobackup {y|n}] [-d|--debug] [-h|-?|--help] [-l|--list] [-t|--test] [-v|--verbose] DestinationVolumeGroupName SourceVol- umeGroupName DESCRIPTION
vgmerge merges two existing volume groups. The inactive SourceVolumeGroupName will be merged into the DestinationVolumeGroupName if physi- cal extent sizes are equal and physical and logical volume summaries of both volume groups fit into DestinationVolumeGroupName's limits. OPTIONS
See lvm(8) for common options. -l, --list Display merged DestinationVolumeGroupName like vgdisplay -v. -t, --test Do a test run WITHOUT making any real changes. Examples Merge the inactive volume group named "my_vg" into the active or inactive volume group named "databases" giving verbose runtime informa- tion: vgmerge -v databases my_vg SEE ALSO
lvm(8), vgcreate(8), vgextend(8), vgreduce(8) Sistina Software UK LVM TOOLS 2.02.105(2)-RHEL7 (2014-03-26) VGMERGE(8)
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