16.04开启root登录 <img />技术小贴 sudo passwd root su root cd /usr/share/lightdm/lightdm.conf.d/ vim 50-unity-greeter.conf #添加 user-session=ubuntu greeter-show-manual-login=true all-guest=false #重启 reboot vi /root/.profile #把mesg n，修改为：tty -s && mesg n reboot Libc版本查看 find / -name libc.so.6 ll /lib/x86_64-linux-gnu/libc.so.6 lrwxrwxrwx 1 root root 12 4月 15 06:11 /lib/x86_64-linux-gnu/libc.so.6 -> libc-2.23.so sudo ldd --version ldd (Ubuntu GLIBC 2.27-3ubuntu1) 2.27 Copyright (C) 2018 自由软件基金**。 配置SSH服务 apt-get install openssh-server vi /etc/ssh/sshd_config vi /etc/ssh/ssh_config 添加:PermitRootLogin yes 配置双网卡 auto lo iface lo inet loopback auto eth0 iface eth0 inet dhcp auto eth1 iface eth1 inet static address 192.168.43.110 gateway 192.168.43.1 netmask 255.255.255.0 自用更新源 #ubuntu deb http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse deb http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-security main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-updates main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-proposed main restricted universe multiverse deb-src http://mirrors.aliyun.com/ubuntu/ bionic-backports main restricted universe multiverse   原创文章，作者：小嵘源码，如若转载，请注明出处：https://www.lcpttec.com/linuxsy/