一般我们会使用gps -ef 或者ps -aux 命令查看我们的进程信息是否启动,或者找出进程,对进程进行强制关闭 kill.
eg:查看nginx进程
ps -ef 命令的介绍
UID PID PPID C STIME TTY TIME CMD
root 1 0 1 17:19 ? 00:00:01 /usr/lib/system
d/systemd --switched-root --system --deserialize 22
root 2 0 0 17:19 ? 00:00:00 [kthreadd]
root 3 2 0 17:19 ? 00:00:00 [ksoftirqd/0]
root 4 2 0 17:19 ? 00:00:00 [kworker/0:0]
root 5 2 0 17:19 ? 00:00:00 [kworker/0:0H]

ps -aux命令的介绍
USER PID %CPU %MEM VSZ RSS TTY STAT START TIME COMMAND
root 2 0.0 0.0 0 0 ? S 17:19 0:00 [kthreadd]
root 3 0.0 0.0 0 0 ? S 17:19 0:00 [ksoftirqd/0]
root 5 0.0 0.0 0 0 ? S< 17:19 0:00 [kworker/0:0H]
root 7 0.0 0.0 0 0 ? S 17:19 0:00 [migration/0]
root 8 0.0 0.0 0 0 ? S 17:19 0:00 [rcu_bh]
root 9 0.0 0.0 0 0 ? R 17:19 0:00 [rcu_sched]
root 10 0.0 0.0 0 0 ? S< 17:19 0:00 [lru-add-drain]
root 11 0.0 0.0 0 0 ? S 17:19 0:00 [watchdog/0]
root 13 0.0 0.0 0 0 ? S 17:19 0:00 [kdevtmpfs]
root 14 0.0 0.0 0 0 ? S< 17:19 0:00 [netns]
root 15 0.0 0.0 0 0 ? S 17:19 0:00 [khungtaskd]
root 16 0.0 0.0 0 0 ? S< 17:19 0:00 [writeback]