全局配置zsh oh-my-zsh

【全局部署zsh及oh-my-zsh

• 切换至root权限

su

• 将zsh安装至/etc目录下

git clone https://github.com/robbyrussell/oh-my-zsh.git /etc/oh-my-zsh

• 从模板文件中复制.zshrc配置文件（新用户将使用此配置）

cp /etc/oh-my-zsh/templates/zshrc.zsh-template /etc/skel/.zshrc

• 修改on-my-zsh路径配置export ZSH=$HOME/.oh-my-zsh为/etc/oh-my-zsh

sed -ie 's|$HOME/.oh-my-zsh|/etc/oh-my-zsh|g' /etc/skel/.zshrc

• 调整配置以适配每位新用户需求

echo "export ZSH_CACHE_DIR=~/.oh-my-zsh/cache" >> /etc/skel/.zshrc

• 安装powerline风格的特殊字体

sudo apt-get install fonts-powerline

• 创建所需变量的缓存目录结构

mkdir -p /etc/skel/.oh-my-zsh/cache

• 全局安装插件（安装位置为/etc/oh-my-zsh/cus