1. 卸载无用软件
sudo apt-get remove libreoffice-common unity-webapps-common thunderbird totem rhythmbox empathy brasero simple-scan gnome-mahjongg aisleriot gnome-mines cheese transmission-common gnome-orca webbrowser-app gnome-sudoku landscape-client-ui-install onboard deja-dup
sudo apt-get autoremove
2.更换apt源
sudo mv /etc/apt/sources.list /etc/apt/sources.list.save
sudo vim /etc/apt/sources.list
将下面的内容复制进去
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial main restricted
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates main restricted
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial universe
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates universe
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-updates multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-backports main restricted universe multiverse
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security main restricted
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security universe
deb http://mirrors.ustc.edu.cn/ubuntu/ xenial-security multiverse
更新apt源缓存，并更新系统软件
sudo apt-get update
sudo apt-get upgrade
3. 时间和Windows10不一致
sudo apt-get install ntpdate
sudo ntpdate cn.pool.ntp.org
sudo hwclock --systohc --localtime
4. 安装必备软件
sudo apt-get install vim ssh fcitx sunpinyin
下载搜狗输入法安装包 下载链接
sudo dpkg -i XXX.deb
sudo apt-get install -f
博主很懒，所以想到哪里写到哪里啦，以后再补充。。。