[squid-users] squid: ERROR: Could not send signal 1 to process 4711: (1) Operation not permitted

[Amos Jeffries]

On 30/10/2015 3:12 a.m., Cheikhou Dramé wrote:
> hi ,
> I have this error  after an update of my centos 6.6 system.
> Logs files are empty and  i can't stop ou restart squid.
> 
> squid -v
> Squid Cache: Version 3.1.23
> 
> ps -fu squid
> UID        PID  PPID  C STIME TTY          TIME CMD
> squid     4711  4708 20 Oct19 ?        2-02:05:21 (squid) -f
> /etc/squid/squid.conf
> squid     4714  4711  0 Oct19 ?        00:00:00 (unlinkd)
> 


There should be a sbin/squid daemon manager process on that list at the
top. It may have been killed by something else.

You might have to "kill -9 4711" then erase the .pid file and restart Squid.


It would be best if you could upgrade to a more current Squid version.
3.1 is quite ancient.

Amos