The directory structure of a typical application

Common types of software packaging

rpm

rpm command   
rpm -q   The software name       # Query whether the specified software is installed
rpm -qc The software name      # List the configuration files of the installed software
rpm -qd The software name      # List the location of the documentation for the installed software
rpm -qa                 # Show all systems with rpm List of all software installed by  （ Use with caution ）
Used in combination with filtration, such as rpm -qa | grep -i “httpd” 
rpm -qpi file name  # View the details of uninstalled packages

rpm -ivh Installation package                                                  install
rpm -evh Name of service Do not use the full name of the installation package           uninstall

yum

yum -y install   The software name   Install package Detect updates Connect to the public software package warehouse to download and install Resolvable dependencies （ Have a network ）
yum -y remove   The software name   Uninstall package
yum -y uodate   The software name   Upgrade package
yum list   Query package list

Local source repository

Configure local yum Source warehouse
mount /dev/cdrom /mnt/   # Mount the CD to /mnt Under the table of contents
cd /etc/yum.repos.d/
mkdir repos.bak
mv *.repo repos.bak

cd /etc/yum.repos.d/
vim local.repo
[local]       # Warehouse category
name=local      # Warehouse name
baseurl=file:///mnt    # Appoint URL The access path is the CD mount directory
enabled=1      # Open this yum Source , This is the default item , Omission
gpgcheck=0      # Do not verify the signature of the package

yum clean all && yum makecache  # Delete yum Cache and update

  Although in actual use ,yum It is often our priority