Centos7安装ffmpeg

yum install -y vim
yum install -y epel-release
sudo rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7
yum repolist
sudo rpm --import http://li.nux.ro/download/nux/RPM-GPG-KEY-nux.ro
sudo rpm -Uvh http://li.nux.ro/download/nux/dextop/el7/x86_64/nux-dextop-release-0-1.el7.nux.noarch.rpm
yum repolist
yum update -y
yum install -y ffmpeg
ffmpeg -version


具体步骤如下：
   1、 vim /etc/default/grub

复制代码
GRUB_TIMEOUT=5
GRUB_DISTRIBUTOR=”$(sed ‘s, release .*$,,g’ /etc/system-release)”
GRUB_DEFAULT=saved
GRUB_DISABLE_SUBMENU=true
GRUB_TERMINAL_OUTPUT=”console”
GRUB_CMDLINE_LINUX=”rd.lvm.lv=rootvg/usrlv rd.lvm.lv=rootvg/swaplv crashkernel=auto vconsole.keymap=us rd.lvm.lv=rootvg/rootlv vconsole.font=latarcyrheb-sun16 rhgb quiet”
GRUB_DISABLE_RECOVERY=”true”
复制代码


    在GRUB_CMDLINE_LINUX的最后，加上 net.ifnames=0 biosdevname=0 的参数

GRUB_CMDLINE_LINUX=”rd.lvm.lv=rootvg/usrlv rd.lvm.lv=rootvg/swaplv crashkernel=auto vconsole.keymap=us rd.lvm.lv=rootvg/rootlv vconsole.font=latarcyrheb-sun16 rhgb quiet net.ifnames=0 biosdevname=0”


  2、 grub2-mkconfig -o /boot/grub2/grub.cfg

  3、 mv /etc/sysconfig/network-scripts/ifcfg-enp0s3  /etc/sysconfig/network-scripts/ifcfg-eth0

  4、 reboot