1$ pstree -ptA
 2systemd(1)-+-VGAuthService(546)
 3           |-cron(625)
 4           |-dbus-daemon(626)
 5           |-dhclient(1587)
 6           |-dhclient(1831)
 7           |-rinetd(707)
 8           |-rsyslogd(629)-+-{in:imklog}(632)
 9           |               |-{in:imuxsock}(631)
10           |               `-{rs:main Q:Reg}(633)

1# 查看命名空间，需要用root权限，可以使用sudo
2ps -eo pid,pidns,user,group,cmd
3# ps查看进程间的关系。
4ps -Teo ppid,sid,pgid,pid,tgid,tid,comm
5
6ps -eL -o pid,tid,stat,comm
7ps -eL -o psr,pid,tid,stat,comm

1# vi /etc/fstab
2/data/docker		/var/lib/docker     none    bind 0       0
3
4# 重新mount所有文件系统
5sudo mount -a

1MP=/mnt/smb_share
2
3mkdir -p ${MP}
4
5mount -t cifs //${IPADDR}/share ${MP} -o rw,noatime,nodiratime,file_mode=0644,dir_mode=0755,gid=1000,uid=1000,,username=${USERNAME},pass=${PASSWORD}

1mount -o rw,noatime,nodiratime,fmask=133,dmask=022,gid=1000,uid=1000 /dev/sda1 /mnt/usb