Files
Find file
find . -name foobar.txt
-name FooBar — Filter by file name (case sensitive)
-iname foobar — Filter by file name
Visual Editor
Find string
/foobar
n — Next occurrence
SHIFT + n — Previous occurrence
Packages
View setup repositories
yum repolist --verbose
-v, --verbose — Print verbose information
Download package
curl http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-5.noarch.rpm --remote-name
curl http://rpms.famillecollet.com/enterprise/remi-release-7.rpm --remote-name
-O, --remote-name — Write output to local file
Import package key
rpm --import http://rpms.famillecollet.com/RPM-GPG-KEY-remi
--import — Import key from path.
Install package
YUM
yum install git
RPM
rpm epel-release-7-5.noarch.rpm --hash --install --verbose
rpm remi-release-7.rpm --hash --install --verbose
-h, --hash — Print progress
-i, --install — Install package
-v, --verbose — Print verbose information
Remove package
YUM
yum remove git
RPM
rpm epel-release-7-2.noarch.rpm --erase
-e, --erase — Remove package
View package dependants
repoquery --whatrequires httpd
--whatrequires — Print packages that require target package.
View package dependencies
yum deplist httpd
View installed packages
yum list installed
System
View Red Hat version
cat /etc/redhat-release