# dist system log
https://unix.stackexchange.com/questions/88744/what-is-the-centos-equivalent-of-var-log-syslog-on-ubuntu
ubuntu
/var/log/syslog
/var/log/auth.log
dmesg and /var/log/kern.log
https://stackoverflow.com/questions/11412950/difference-between-dmesg-and-var-log-kern-log
centos
/var/log/messages
/var/log/secure
# common system log
dmesg -T
journalctl -f
https://unix.stackexchange.com/questions/314985/combining-tail-journalctl
# 案例
# who killed java process?
https://qzy.im/blog/2020/07/oom-killer-killed-java-process-in-linux/
https://askubuntu.com/questions/709336/how-to-find-out-why-process-was-killed-on-server
没有找到 hs_err_pidXXX 文件
dmesg -T | grep java
也没有任何信息
https://stackoverflow.com/questions/726690/what-killed-my-process-and-why
https://superuser.com/questions/606448/how-to-discover-what-is-killing-a-process
free -h
看起来内存和swap都很不够
未尝试:
debug crashed application
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/html/developer_guide/debugging-crashed-application