debug呆滞的进程
ps auxww | grep XXXXstrace -p <pid>找出某个进程的socket对应的访问主机
ls -l /proc/54024/fdtotal 0
lrwx------ 1 huatai dialout 64 Jul 6 22:06 0 -> /dev/pts/24
lrwx------ 1 huatai dialout 64 Jul 6 22:06 1 -> /dev/pts/24
lrwx------ 1 huatai dialout 64 Jul 6 22:06 2 -> /dev/pts/24
lrwx------ 1 huatai dialout 64 Jul 6 22:06 3 -> 'socket:[2671265]'
lrwx------ 1 huatai dialout 64 Aug 24 00:21 4 -> 'socket:[2671268]'$ lsof -i -a -p 54024
COMMAND PID USER FD TYPE DEVICE SIZE/OFF NODE NAME
ssh 54024 huatai 3u IPv4 2671265 0t0 TCP zcloud:40336->z-k8s-n-4:ssh (ESTABLISHED)参考
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