报错代码 Could not fetch URL https://pypi.python.org/simple/pip/: There was a problem confirming the ssl...

新建： sudo vim /etc/sudoers.d/username 输入： (your username) ALL=(ALL:ALL) NOPASSWD:/usr/bin/netease-clo...

sed -i ‘1c bb’ aa.txt //删除第一行并替换成bb

ubuntu:~# export LC_ALL=C

echo 30 > /proc/sys/kernel/watchdog_thresh 临时生效 sysctl -w kernel.watchdog_thresh=30