系统问题

1、sudo命令显示：sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set

解决步骤：

  1. 进root用户
  2. chown root:root /usr/bin/sudo
  3. chmod 4755 /usr/bin/sudo
  4. pkexec chmod go-w /usr/lib/sudo/sudoers.so