Package Manager: yum
Introduction to yum
The yum command is an rpm -based package manager in Fedora, RedHat and SUSE . It enables system administrators to interact and automate finer and more detailed management of RPM packages. It can automatically download and install RPM packages from specified servers . Handle dependencies and install all dependent software packages at one time, without having to download and install tediously again and again.
yum provides commands to find, install, delete a certain, a group or even all packages, and the commands are concise and easy to remember.
yum is a shell__frontend package manager__.
Note : You must be connected to the Internet when using the yum command.
yum Commands
1. yum list | grep 软件名称: Query whether the yum server has software that needs to be installed
shell
[root@wcl ~]# yum list |grep jdk
jdk.x86_64 2000:1.7.0_79-fcs installed
copy-jdk-configs.noarch 2.2-5.el7_4 updates
java-1.6.0-openjdk.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
java-1.6.0-openjdk-demo.x86_64 1:1.6.0.41-1.13.13.1.el7_3 base
//... ...省略部分展示内容
2. yum install 软件名称: Install the specified yum package
Reference link:
2. yum command