linux系統查找程序被killed原因

1、cd /var/log/
找messages

2.直接尋找錯誤，發現一個好方法：
dmesg | egrep -i -B100 ‘killed process’

或:

egrep -i ‘killed process’ /var/log/messages
egrep -i -r ‘killed process’ /var/log

或:

journalctl -xb | egrep -i ‘killed process’