1、安装ImageMagick
yum install -y ImageMagick
2、安装Ghostscript
yum install -y ghostscript
# 验证是否安装成功
gs -version
3、安装libreoffice
yum install -y libreoffice.x86_64
# 安装完成后目录所在：
/usr/lib64/libreoffice
4、安装sox
yum install -y sox
5、安装ffmpeg(容易出错)【参考博客：centos7使用yum安装不了ffmpeg - 佳宇博客 - 博客园
rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro
yum install epel-release
rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-5.el7.nux.noarch.rpm
yum install ffmpeg ffmpeg-devel -y
# 验证是否安装成功
ffmpeg -version
