Further to the above, the following can be used to confirm that the ulimit change is not effective:
root@juju-UUID-machine-2:~# grep open.files /proc/$(pidof squid3)/limits Max open files 1024 4096 files
Further to the above, the following can be used to confirm that the ulimit change is not effective:
root@juju- UUID-machine- 2:~# grep open.files /proc/$(pidof squid3)/limits
Max open files 1024 4096 files