rename SGE host

rename SGE host.txt

# need manager privileges for some things?

# rename, leave old name in /etc/hosts as an alias for now (end of line, real name should be first)
sudo emacs /etc/hostname /etc/hosts
export HOSTNAME=crunch002
sudo hostname crunch002

# stop services, check status
sudo systemctl stop sgemaster.p6444 sgeexecd.p6444
sudo systemctl status sgemaster.p6444 sgeexecd.p6444
# verify
sudo ps -ef | grep sge
# kill if necessary

sudo emacs /usr/local/sge/default/common/act_qmaster

# start
sudo systemctl start sgemaster.p6444 sgeexecd.p6444
sudo systemctl status sgemaster.p6444 sgeexecd.p6444
# verify
sudo ps -ef | grep sge

# i found full list of things to change by doing this:
grep -r hmf_crunch002 /usr/local/sge/ | grep -v accounting | grep -v messages
man qconf

# ensure all of the above things are changed/deleted and re-added
# for me it was admin/execution/submit hosts, host groups, configurations, cluster queues

# show
qconf -sh
qconf -sel
qconf -ss
qconf -shgrpl
qconf -shgrp $(qconf -shgrpl) # or specify name manually if multiple are listed
qconf -sconfl
qconf -sconf $(qconf -sconfl) # or specify name manually if multiple are listed
qconf -sql
qconf -sq $(qconf -sql) # or specify name manually if multiple are listed

# modify ones that don't seem to update automatically
qconf -mhgrp $(qconf -shgrpl) # or specify name manually if multiple are listed
qconf -mq $(qconf -sql) # or specify name manually if multiple are listed

# remove old alias
sudo emacs /etc/hosts
# restart services to be sure
sudo systemctl restart sgemaster.p6444 sgeexecd.p6444
# reboot if not done so since changing hostname
sudo reboot

# test
qstat
qsub -b y /bin/true
qstat
run_pipeline
# etc. etc.