Yum

Fastest Mirror

sudo yum install yum-plugin-fastestmirror
sudo yum clean
sudo yum update

Show what's ready to update

yum check-update

List Repositories

yum repolist all

Show enabled repos:

yum repolist

Make Cache

yum clean all
yum makecache

Lock package

yum install yum-plugin-versionlock

# yum versionlock add [package]
yum versionlock add falcon-sensor

# dnf versionlock add [package]
dnf versionlock add falcon-sensor

yum versionlock list

yum versionlock status

# yum versionlock delete [package]
yum versionlock delete falcon-sensor

RPM

See RPM

dnf - Replacement for Yum

See dnf