升级CentOS上cmatrix版本主要有以下两种方法：
sudo yum update或sudo dnf update。sudo yum install epel-release，然后sudo yum update epel-release，再sudo yum install cmatrix或sudo yum update cmatrix。sudo yum install cmatrix（未安装时）或sudo yum update cmatrix（已安装时）。sudo yum groupinstall "Development Tools"和sudo yum install ncurses-devel。wget https://github.com/cmatrix/cmatrix/archive/refs/tags/v1.5.tar.gz。tar -zxvf cmatrix-1.5.tar.gz、cd cmatrix-1.5、./configure、make、sudo make install。
