[Xymon] sysstemd startup

[Neil Simmonds]

Hi,

I'm having a strange issue with systemd startup.

We run our Xymon as a user called hobbit. If I Start Xymon using the
runclient.sh script as hobbit (i.e. /xymon/client/runclient.sh start) then
all works perfectly. If I run it using systemctl start  xymon a ps -eaf
command clearly shows it running as hobbit but  Iget the following in my
/xymon/client/logs/xymonclient.log file

2020-05-19 14:28:13 Whoops ! Failed to send message (Connection failed)
2020-05-19 14:28:13 ->  connect to Xymon daemon at xymonserver:1984 failed
(Permission denied)
2020-05-19 14:28:13 ->  Recipient 'xymonserver', timeout 15
2020-05-19 14:28:13 ->  1st line: 'client xymonclient.linux linux'


If I test the connection all works OK


root at xymonclient:/xymon/client # ./bin/xymon --debug "xymonserver" test
25296 2020-05-19 14:32:46 Transport setup is:
25296 2020-05-19 14:32:46 xymondportnumber = 1984
25296 2020-05-19 14:32:46 xymonproxyhost = NONE
25296 2020-05-19 14:32:46 xymonproxyport = 0
25296 2020-05-19 14:32:46 Recipient listed as ‘xymonserver’
25296 2020-05-19 14:32:46 Standard protocol on port 1984
25296 2020-05-19 14:32:46 Will connect to address xymonserver port 1984
25296 2020-05-19 14:32:46 Connect status is 0
25296 2020-05-19 14:32:46 Sent 4 bytes
25296 2020-05-19 14:32:46 Closing connection


My /usr/lib/sysemd/system/xymon.service file is


[Unit]
Description=Xymon systems and network monitor
Documentation=man:xymon(7) man:xymonlaunch(8) man:xymon(1)
After=network.target

[Install]
# Compatibility with "xymon" and "xymon-client"
Alias=xymon.service
Alias=xymon-client.service
WantedBy=multi-user.target

[Service]
EnvironmentFile=/etc/sysconfig/xymonlaunch
User=hobbit
# We wrap in xymoncmd to eliminate the need for the bulk of the old init
script
ExecStart=/xymon/client/bin/xymonlaunch
--config=/xymon/client/etc/clientlaunch.cfg
--log=/xymon/client/logs/clientlaunch.log --pidfile=/xymon/client/
logs/clientlaunch.pid
ExecStop=kill `cat /xymon/client/logs/clientlaunch.pid`
PIDFile=/xymon/client/logs/clientlaunch.pid
Type=simple
User=hobbit

# Kill xymonlaunch, but don't send kills to the underlying procs, since they
# might be doing important things (like writing checkpoints and flushing
caches)
KillMode=process
SendSIGHUP=yes
SendSIGKILL=yes


and my /etc/sysconfig/launch looks like this


MACHINEDOTS=xymonclient
SERVEROSTYPE=linux
XYMONOSSCRIPT=xymonclient-linux.sh
XYMONCLIENTHOME=/xymon/client/


I don't understand how it works perfectly when I start it as the user using
the normal script yet get's permission denied when running under systemd
but still as the same user
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