OCR ocr2rest and ocr2worker

Service overview

Management	wfmanager (start \| stop \| restart \| status) ocr2rest wfmanager (start \| stop \| restart \| status) ocr2worker
Log files	Access logs: `<INSTALL_DIR>/supervisord/log/ocr2rest.out.log` Error logs: `<INSTALL_DIR>/supervisord/log/ocr2rest.err.log` Access logs: `<INSTALL_DIR>/supervisord/log/ocr2worker.out.log` Error logs: `<INSTALL_DIR>/supervisord/log/ocr2worker.err.log`
Startup scripts	`<INSTALL_DIR>/supervisord/apps/ocr2-rest.ini` `<INSTALL_DIR>/supervisord/apps/ocr2-worker.ini`
Configuration files	`/ocr/etc/ocr-rest.yml` `/ocr/etc/ocr-worker.yml`
Default Ports	tcp 9002

Configuration file	Name	Default value	Description
`config.yml`	`install_dir`	`/opt/workfusion`	Directory to put user files, logs, and configs.
`config.yml`	`ocr_hostname`	`ocr.example.com`	FQDN for OCR DNS name.
`config.yml`	`ocr_abbyy_pool_size`	`2`	Number of OCR concurrent executions. Should match the license productivity.
`config.yml`	`ocr_spring_profiles_active`	`disabled-auth,mongoDbQueue,gridfs-storage,mongo-task`	Default value.

Check if TCP port 9002 is available:

netstat command output

$ netstat -tnlp | grep 9002
tcp6       0      0 127.0.0.1:9002          :::*                    LISTEN      20808/java

ss command output

$ ss -ltn | egrep '9002'
LISTEN     0      100       ::ffff:127.0.0.1:9002                    :::*

lsof command output

$ lsof -P -n -i :9002 | grep LISTEN
java    20808 wfuser   27u  IPv6  99257      0t0  TCP 127.0.0.1:9002 (LISTEN)

Count the number of running OCR processes:

pgrep command output

ps -C java -opid,cmd | grep -c "ocr-rest-"
ps -C java -opid,cmd | grep -c "ocr-worker-"

Check the default main log files:
- Access logs: <INSTALL_DIR>/supervisord/log/ocr2\*.out.log
- Error logs: <INSTALL_DIR>/supervisord/log/ocr2\*.err.log
```
$ tail -f <INSTALL_DIR>/supervisord/log/ocr2*.log
```
Use the Wfmanager util to check the OCR out (access) log:
```
wfmanager tail ocr2rest
wfmanager tail ocr2worker
```