查看内存占用TOP10

ps aux | head -1;ps aux |grep -v PID |sort -rn -k +4 | head -10

查看gnome-shell 内存使用情况

ps auxwww |grep gnome-shell

临时解决gnome-shell 内存占用过高问题

systemctl restart gdm.service 

永久关闭gnome-shell 图形界面

 systemctl stop gdm.service
 systemctl disable gdm.service
 systemctl status gdm.service
 systemctl set-default multi-user.target