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Ubuntu 新装配置

Ubuntu 新装配置

一、配置apt源
1、备份ubuntu
  • mv /etc/apt/sources.list /etc/apt/sources.list.bak
2、配置清华源
  • su root
    cat > /etc/apt/sources.list <<EOF
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
    deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic main restricted universe multiverse
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
    deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-updates main restricted universe multiverse
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
    deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-backports main restricted universe multiverse
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
    deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-security main restricted universe multiverse
    deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
    deb-src https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ bionic-proposed main restricted universe multiverse
    EOF
3、更新源
  • sudo apt-get update
    sudo apt-get upgrade -y
二、安装必要的软件
sudo apt-get install curl wget vim ssh -y
三、配置ssh
1、开启root远程登陆
vim /etc/ssh/sshd_config
PermitRootLogin yes #取消注释
2、重启ssh服务
systemctl enable ssh
systemctl start ssh
四、关闭ubuntu ssh连接时的欢迎信息

1、关闭这个主要是为了防止泄露一些系统信息

sudo sed -i '/pam_motd.so/ s/^/#/g' /etc/pam.d/sshd 

#就是为了注释下面两行,不让他们在现实开机信息
#session    optional     pam_motd.so  motd=/run/motd.dynamic
#session    optional     pam_motd.so noupdate
五、配置终端颜色
vim ~/.bashrc
export PS1="\[\033[01;31m\]\u\[\033[00m\]@\[\033[01;32m\]\h\[\033[00m\][\[\033[01;33m\]\t\[\033[00m\]]:\[\033[01;34m\]\w\[\033[00m\]\n$ "

#生效
source ~/.bashrc

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