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pid files in /var/run
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keopp
Senior Member


Joined: 08 Nov 2008
Posts: 160
Location: Romania

PostPosted: Sun Aug 19, 2012 1:55 pm    Post subject: pid files in /var/run Reply with quote

Hello,

Looking for a server.pid file in /var/run(working to configure an openvpn servr), I strangely found only 3 files(except subdiredtories) inside this directory as follows:

Quote:

2
=acpid.socket
server.pid


The weirdest thing, was the content of the file "2" created today:

Quote:

ls: cannot access 1: No such file or directory
/dev/null
acpid.pid
atd.pid
dhcpd.pid
inetd.pid
klogd.pid
server.pid
sshd.pid
syslogd.pid


And it was right: excepting server.pid recently created, all the other was missing.

Reboot solved the problem but have someone a clue of what is the origin of that?
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keopp
Senior Member


Joined: 08 Nov 2008
Posts: 160
Location: Romania

PostPosted: Sun Aug 19, 2012 2:15 pm    Post subject: Reply with quote

SOLVED

It is the "rm -rf" inside the rc.openvpn file:

Code:

...
openvpn_stop() {
    echo "Stoping Openvpn Tunnels"
    killall openvpn 2&>1 /dev/null
    rm -rf $piddir/*.pid
    return 0
}
...


I belive it is enough to replace:
Code:
piddir=/var/run
...
$openvpn --writepid /var/run/`echo $conf | cut -d. -f1`.pid --daemon --config $conf


with

Code:
piddir=/var/run/openvpn
...
$openvpn --writepid $piddir/`echo $conf | cut -d. -f1`.pid --daemon --config $conf


I also belive that the following statements are not sintactically correct as the usage of /dev/null, 2 and 1.

Code:

ls *.pid 1&>2 /dev/null
...
killall openvpn 2&>1 /dev/null

because these are the generators of the files 2 and 1 containing error messages

Searcing for other script examples I found interesting and useful the inclusion of

Code:
/sbin/modprobe tun >/dev/null 2>&1


at the beginning of the rc script.
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gerasimos_h
Site Admin


Joined: 09 Aug 2007
Posts: 1752
Location: Greece

PostPosted: Sun Aug 19, 2012 3:40 pm    Post subject: Reply with quote

You are correct, rc.openvpn it's a little messed up, it's my bad to not check it, how it works...
I'll fix it...
An updated package will upload soon along with other upgrades.

Thanks for the bug report...

gerasimos_h

_________________
Superb! Mini Server Project Manager
http://sms.it-ccs.com
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keopp
Senior Member


Joined: 08 Nov 2008
Posts: 160
Location: Romania

PostPosted: Sun Aug 19, 2012 4:46 pm    Post subject: Reply with quote

Ok, I'm glad to help. I use for now the followng working rc.openvpn:

Code:

#!/bin/sh
# Start/stop/restart all the openvpn processes
#by Giancarlo Razzolini

#openvpn binary
openvpn=/usr/sbin/openvpn
#piddir
piddir=/var/run/openvpn
#conf dir
confdir=/etc/openvpn

openvpn_start() {
    echo -n "Starting openvpn: "
    /sbin/modprobe tun >/dev/null 2>&1
    #for all the conf files in the openvpn dir, start a new process
    cd $confdir
    echo "Starting Openvpn Tunnels:"
    for conf in `ls *.conf` ; do
   echo -e "\t$openvpn $confdir/$conf"
   $openvpn --writepid $piddir/`echo $conf | cut -d. -f1`.pid --daemon --config $conf
    done
    return 0
}

openvpn_status() {
    cd $piddir
    ls *.pid > /dev/null 2>&1
    if [ "$?" != "0" ] ; then
   echo "No openvpn process is running."
    else
   for process in `ls *.pid` ; do
       echo Process `cat $process` is running...
   done
    fi
    return 0
}

openvpn_stop() {
    echo "Stoping Openvpn Tunnels"
    killall openvpn > /dev/null 2>&1
    rm -rf $piddir/*.pid
    return 0
}

openvpn_restart() {
    openvpn_stop
    sleep 1
    openvpn_start
}
   
case "$1" in
'start')
   openvpn_start
   ;;
'status')
   openvpn_status
   ;;
'stop')
   openvpn_stop
  ;;
'restart')
   openvpn_restart
   ;;
    *)
   echo "usage $0 start|stop|status|restart"
esac
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