安装bashtop需要满足bash 4.4以上，目前版本是4.2
/bin/bash --version
wget http://ftp.gnu.org/gnu/bash/bash-5.0.tar.gz
tar zxvf bash-5.0.tar.gz
cd bash-5.0
./configure
make && make install
mv /bin/bash /bin/bash.bak
ln -s /usr/local/bin/bash /bin/bash

资源监视工具bashtop安装：
git clone https://github.com/aristocratos/bashtop.git
cd bashtop
make install
./bashtop
bashtop