cc_staff
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edits
SSH tunnelling: Difference between revisions
Update compute node forwarding script to pick a random local port with retry (required to support more than one instance on a node)
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(Update compute node forwarding script to pick a random local port with retry (required to support more than one instance on a node)) |
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<!--T:23--> | <!--T:23--> | ||
ssh nia-gw -L | REMOTEHOST=licenseserver.institution.ca | ||
export MLM_LICENSE_FILE= | REMOTEPORT=9999 | ||
LOCALHOST=localhost | |||
for ((i=0; i<10; ++i)); do | |||
LOCALPORT=$(shuf -i 1024-65535 -n 1) | |||
ssh nia-gw -L $LOCALPORT:$REMOTEHOST:$REMOTEPORT -N -f && break | |||
done || { echo "Giving up forwarding license port after $i attempts..."; exit 1; } | |||
export MLM_LICENSE_FILE=$LOCALPORT@$LOCALHOST | |||
<!--T:24--> | <!--T:24--> | ||