I\'m attempting to install an up to date version of ffmpeg on an elastic beanstalk instance on amazon servers. I\'ve created my config file and added these container_command
Check cloud-init logs for messages. On a Linux instance, that would be:
grep "03-ffmpeg" /var/log/eb-cfn-init.log
Also, you can log to another file to make errors easier to find:
command: ln -s /usr/local/bin/ffmpeg /usr/bin/ffmpeg >> /var/log/my-init.log