1.安装python和pip
sudo yum -y install epel-release
sudo yum install -y python python-pip python-setuptools
sudo pip install --upgrade pip
2.安装tldr
sudo pip install cheat tldr
#最近遇到安装tldr时提示setuptools too old的报错，解决方法如下
pip install distribute
pip uninstall -y setuptools
pip install --upgrade setuptools
然后再pip install tldr