yum

List YUM repository

• yum repolist

Common Repositories and installation

• EPEL: Extra Packages for Enterprise Linux
  • sudo yum install epel-release
  • sudo yum install https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm
• Webtatic: 
  • sudo yum install epel-release
  • rpm -Uvh https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
• REMI:
  • yum install epel-release
  • rpm -Uvh https://rpms.remirepo.net/enterprise/remi-release-7.rpm
• IUS: Inline with Upstream Stable
  • yum install epel-release
  • rpm -Uvh https://centos7.iuscommunity.org/ius-release.rpm

Remove a repository

• sudo yum remove /etc/yum.repos.d/epel.repo

Update all packages

• sudo yum update