Process Management & Cron Job Monitoring

⚙️ Monitor Running Jobs & Processes

Command	Description
`ps aux`	List all running processes with user, CPU, memory
`ps -ef`	Full-format listing of all processes
`top`	Interactive real-time process viewer
`htop`	Enhanced `top` view (install: `sudo apt install htop`)
`pgrep -a php`	List all running PHP processes with command line
`pgrep -fa 'php.*processStockSync'`	Search PHP processes running `processStockSync`
`ps aux \| grep php`	List all running PHP processes
`ps aux \| grep processStockSync`	Search PHP processes running `processStockSync`

Command	Description
`crontab -l`	List current user’s cron jobs
`crontab -e`	Edit current user’s cron table
`sudo crontab -l -u www-data`	List cron jobs for a specific user
`sudo crontab -e -u username`	Edit crontab of another user
`grep CRON /var/log/syslog`	View system log for executed cron jobs
sudo journalctl -u cron --since "2025-11-12 06:00:00" --until "2025-11-12 07:00:00" \| grep "mrsaliceouterspace.bsol40105.com"	view system log including cron job for given date and time and domain
`journalctl -u cron`	View cron service logs (systemd systems)
`tail -f /var/log/syslog`	Live view of system log (cron included)
`grep '/path/to/script.php' /var/log/syslog`	Filter log for specific job run
`* * * * * php /script.php >> /log.log 2>&1`	Cron example: Run every minute and log output

Command	Description
`kill <PID>`	Gracefully stop a process by PID
`kill -9 <PID>`	Force kill a process immediately (SIGKILL)
`pkill php`	Kill all PHP processes
`pkill -f "php /path/to/index.php"`	Kill PHP process matching exact command
`killall php`	Kill all processes with name `php`
`ps aux	grep php`
`htop` → F9	Use htop to interactively kill a selected process
`xkill`	Click on a GUI window to kill it (requires GUI + `sudo apt install x11-utils`)