Mesos slave

Service overview

Software owner	Apache Software Foundation
System requirements	http://mesos.apache.org/
Management	wfmanager (start \| stop \| restart \| status) mesos-slave
Log files	Access logs: `<INSTALL_DIR>/supervisord/log/mesos-slave.out.log` Error logs: `<INSTALL_DIR>/supervisord/log/mesos-slave.err.log`
Startup scripts	`<INSTALL_DIR>/supervisord/apps/mesos-slave.ini` `<INSTALL_DIR>/mesos/usr/sbin/mesos-slave`
Configuration files	Service directory: `<INSTALL_DIR>/mesos/` General mesos-slave configuration: `<INSTALL_DIR>/supervisord/apps/mesos-slave.ini`
Default Ports	tcp 5051

Configuration file	Name	Default value	Description
`config.yml`	`install_dir`	`/opt/workfusion`	Directory to put user files, logs, and configs
`config.yml`	`mesos_slave_port`	`5051`	Default service port for installation

Check if TCP port 5051 is available.

netstat command output

$ netstat -lntp | grep 5051
tcp        0      0 0.0.0.0:5051            0.0.0.0:*               LISTEN      6205/mesos-slave

ss command output

$ ss -ltn | egrep 5051
LISTEN     0      65535        *:5051                     *:*

lsof command output

$ lsof -P -n -i :5051 | grep LISTEN
mesos-sla  6205 wfuser    6u  IPv4 3656625      0t0  TCP *:5051 (LISTEN)

Check the default main log files:
- Access logs: <INSTALL_DIR>/supervisord/log/mesos-slave.out.log
- Error logs: <INSTALL_DIR>/supervisord/log/mesos-slave.err.log
```
$ tail -f <INSTALL_DIR>/supervisord/log/mesos-slave.err.log <INSTALL_DIR>/supervisord/log/mesos-slave.out.log
```
Check mesos-slave out (access) log using the wfmanager util.
```
wfmanager tail mesos-slave
```
Enable more detailed debug information.

Set the debug log level to <INSTALL_DIR>/supervisord/apps/mesos-slave.ini and restart the mesos-slave service:

${install_dir}/supervisord/apps/mesos-slave.ini
```
Add the following to the start-up configuration part of this file:
--enable-debug    
```
```
wfmanager restart mesos-slave
```