系统安装
ubuntu 18.04 英文版,创建个人用户- 初始系统 a.修改ip shell> vim /etc/network/interfaces auto ens33 iface ens33 inet static address 192.168.1.10 netmask 255.255.255.0 gateway 192.168.1.1 dns-nameservers 202.96.128.86 8.8.8.8
b. 修改dns
shell> sed -i '#namserver#i#namserver 202.96.168.86' /etc/resolv.conf (临时修改,重启后清空!) 以下为永久更改DNS shell> vim /etc/resolvconf/resolv.conf.d/base nameserver 202.96.128.86 nameserver 8.8.8.8 shell> sudo apt-get resolvconf shell> sudo resolvconf -u 启用超级管理员 root
shell> sudo passwd root shell> sudo vim /usr/share/lightdm/lightdm.conf.d/50-ubuntu.conf greeter-show-manual-login = true all-guest = false 修改/etc/pam.d/gdm-autologin 文件,注释掉(auth required pam_succeed_if.so user != root quiet_success) 再修改/etc/pam.d/gdm-password 文件,注释掉(auth required pam_succeed_if.so user != root quiet_success) 修改/root/.profile文件 最后一行 mesg n || true 前添加 tty -s && 即 tty -s &&mesg n || true开启root用户ssh远程
shell> sudo apt-get install openssh-server 修改远程配置文件/etc/ssh/sshd_config PermitRootLogin yes shell > sudo systemctl restart sshd安装必备软件
sudo apt-get vim net-tools resolvconf systat更新
apt update ---只检查已安装的软件包是否有可用的更新,不更新; apt upgrade ---更新已安装的软件包修改主机名
hostnamectl set-hostname ali-sz-xh-172-16-1-59