software administration

yum

proxy for yum

/etc/yum.conf:

proxy=http://myproxy.com:3128 
proxy_username=user
proxy_password=pass

other yum options

assumeyes=1

tasks

yum update # updates cache and packages
yum upgrade # updates cache and does full upgrade of packages, including auto-remove
yum search PATTERN # search for packages
yum list --available | grep PATTERN # search for packages

also, see

dnf

extra packages

dnf install https://dl.fedoraproject.org/pub/epel/epel-release-latest-8.noarch.rpm