Zabbix Agent not running on Centos 7

[ratnakar1969]

I tried installing Zabbix Agent on Centos 7, the following is the script I have used

sudo -S rpm -ivh https://repo.zabbix.com/zabbix/4.0/r...el7.noarch.rpm
sudo -S yum install -y zabbix-agent
sudo -S sed -i 's/# EnableRemoteCommands=0/EnableRemoteCommands=1/g' /etc/zabbix/zabbix_agentd.conf
sudo -S sed -i 's/# LogRemoteCommands=0/LogRemoteCommands=1/g' /etc/zabbix/zabbix_agentd.conf
sudo -S sed -i 's/Server=127.0.0.1/Server=10.192.170.83/g' /etc/zabbix/zabbix_agentd.conf
sudo -S sed -i 's/# ListenPort=10050/ListenPort=10050/g' /etc/zabbix/zabbix_agentd.conf
sudo -S sed -i 's/ServerActive=127.0.0.1/ServerActive=10.192.170.83/g' /etc/zabbix/zabbix_agentd.conf
sudo -S sed -i 's/Hostname=Zabbix server/Hostname=n014.c0001.exacluster.local/g' /etc/zabbix/zabbix_agentd.conf
sudo -S systemctl restart zabbix-agent
sudo -S systemctl enable zabbix-agent

When I run the script this is the output I am getting

Retrieving https://repo.zabbix.com/zabbix/4.0/r...el7.noarch.rpm
Preparing... ################################# [100%]
package zabbix-release-4.0-1.el7.noarch is already installed
Loaded plugins: fastestmirror, langpacks
Loading mirror speeds from cached hostfile
* base: sjc.edge.kernel.org
* extras: sjc.edge.kernel.org
* updates: mirrors.xtom.com
Package zabbix-agent-4.0.18-1.el7.x86_64 already installed and latest version
Nothing to do
* zabbix-agent.service - Zabbix Agent
Loaded: loaded (/usr/lib/systemd/system/zabbix-agent.service; enabled; vendor preset: disabled)
Active: active (running) since Fri 2020-03-13 13:31:11 UTC; 117ms ago
Main PID: 166097
CGroup: /system.slice/zabbix-agent.service

Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Starting Zabbix Agent...
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Can't open PID file /run/zabbix/zabbix_agentd.pid (yet?) after start: No such file or directory
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: zabbix-agent.service: Supervising process 166097 which is not our child. We'll most likely... exits.
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Started Zabbix Agent.
Hint: Some lines were ellipsized, use -l to show in full.


I tried with all versions of Zabbix Agent, but nothing seems working. Any one could please help


sudo systemctl status zabbix-agent
~

[dimir]

SELinux enabled?

[ratnakar1969]

No it's disabled

[mfortes]

Open your agent conf file and look for "PidFile".
Maybe u dont have this directory, then create this will fix your problem...
(Only the path, not the file...)

[ratnakar1969]

I do have the file, and when I run the script, get this message

Can't open PID file /run/zabbix/zabbix_agentd.pid (yet?) after start: No such file or directory

I tried by changing permissions but no luck

[Atsushi]

Does a directory called /run/zabbix exist? If so, what are the permissions on that directory?

My environment:

$ ls -ld /run/zabbix/
drwxr-xr-x 2 zabbix zabbix 140  3月 13 11:17 /run/zabbix/
$

[ratnakar1969]

It's the same here

UAT2 [root@n0013 ~]# ls -ld /run/zabbix/
drwxr-xr-x 2 zabbix zabbix 60 Mar 14 06:59 /run/zabbix/

[Atsushi]

If there is no problem with the directory permissions, restart Zabbix agent with the systemctl command again.

[ratnakar1969]

I think I got the issue, the zabbix_agentd.pid is getting appended with the cluster name here, and so it's not able to read

UAT2 [root@n0013 logs]# cat /tmp/zabbix_agentd.pid
275502UAT2 [root@n0013 logs]#

Now have no idea how to resolve this. Any idea where the PID is generated?

[Atsushi]

Why are PID files under the /tmp directory? If so, please tell us what and how you changed it. And now clarify what is the problem.

[ratnakar1969]

I had initially set the path as /var/run/zabbix_agentd.pid for PID file, but was getting the same issue, PID was getting appended with cluster name.

Reason why I changed to /tmp folder

[ratnakar1969]

Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Starting Zabbix Agent...
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Can't open PID file /run/zabbix/zabbix_agentd.pid (yet?) after start: No such file or directory
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: zabbix-agent.service: Supervising process 166097 which is not our child. We'll most likely... exits.
Mar 13 13:31:11 n0014.c0001.exacluster.local systemd[1]: Started Zabbix Agent.

Basically when I start the Zabbix Agent,it's trying to read the PID file, however the value there is comming as <PID>UAT2, and reason why it's failing to start.

So any idea where this PID file is generated?

[Atsushi]

I think that 275502 is the process ID just because it is not a line break. Isn't UAT2 a prompt for your environment?
However, I still don't understand what the cluster name you are writing is.
Also, show the current log, not the old log.