Linux 8
# installation of software packages:
-rpm
-yum
# rpm package installation
-preparation: download iso image
-Mount the device to a directory: mount xxx.iso / mnt/
-enter the Packages package to execute the command:
Rpm-ivh xxx.rpm # installation software, iinstall, display process
Rpm-qp xxx.rpm # find out the name of the rpm package after it is installed on the system
Rpm-e xxx # remove software
Query:
Rpm-ql xxx.rpm # query which files are generated by the software
Rpm-qc xxx.rpm # query software generated configuration file
Rpm-qa # query the installed software packages
Rpm-qa | grep http # query whether the software related to http is installed
Rpm-qf / bin/ls # check which software package / bin/ls is generated by
-disadvantages: you must change to the directory where the package is located; dependencies need to find their own installation.
# yum installation
-premise
Iso Mirror
Need your software package repository
# # Building a local yum repository
1. Mount the iso image to a local directory:
Mount xxx.iso / mnt/
# you can access the contents of the iso image in the / mnt directory
two。 Tell the yum warehouse where your software is located:
# change to the directory where the yum warehouse configuration file is located
Cd / etc/yum.repos.d/
# Delete the default configuration file when installing the system
Rm-fr *
# Editing your own configuration file
Vim westos.repo # must end with .repo, any before it
`
[rhel7] # Warehouse name
Name=rhel7 # Warehouse description
Baseurl= file:///mnt # warehouse address, file:// is the protocol, / mnt is the local location
Gpgcheck=0 # does not detect key
Enabled=1 # 1, warehouse takes effect; 0, no effect
`
3. Clear the cache:
# by default, you will go to / var/cache/yum to find software information. Be sure to clear the cache after changing the configuration.
Yum clean all
4. Detection
-method 1:
# list the software packages contained in all software repositories
Yum repolist
-method 2:
# install any software at will
Yum install lftp-y
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# # Building Network yum Warehouse
* * desktop host
1. Preparation: make local files accessible to other hosts (httpd)
# generally speaking, hosts with httpd software installed are called Web servers, and files can be shared with other hosts
Yum install httpd-y
Systemctl start httpd
Systemctl enabled httpd
Systemctl stop firewalld
Systemctl disable firewalld
two。 Make the contents of the iso image accessible to other hosts:
# / var/www/html, which is the default release directory for http and accessed by http://ip/rhel7
Mkdir / var/www/html/rhel7
# iso is mounted to the default release directory of http
Mount xxx.iso / var/www/html/rhel7
3. Modify the configuration file of yum repository
# only need to modify baseurl
Vim westos.repo # must end with .repo, any before it
`
[rhel7] # Warehouse name
Name=rhel7 # Warehouse description
Baseurl= http://ip/rhel7 # warehouse address, http:// is the protocol, / rhel7 is the ip host / var/www/html/rhel7 directory
Gpgcheck=0 # does not detect key
Enabled=1 # 1, warehouse takes effect; 0, no effect
`
4. Clear cache and detect
* other hosts (want to use the yum repository built by desktop)
# you only need to modify the configuration file of the yum repository, as in step 3 of desktop
# # Building Network third-Party Software Warehouse
-understand what is third-party software?
The iso image contains more than 4000 software packages, but some software (eg:wps,smplayer,ntfs) does not
Other software packages downloaded from other places (eg:baidu,www.pkgs.org)
* * desktop host
1. Create a software directory for other hosts to access
Mkdir / var/www/html/software
two。 Put the third-party software in the / var/www/html/software directory
# can be accessed at http://ip/software
Cp xxxx.rpm / var/www/html/software/
3. Generate repodata metadata for the software directory to let the system know that there are software packages in that directory
Createrepo / var/www/html/software/
4. Modify the configuration file of yum repository
Vim westos.repo # must end with .repo, any before it
`
[rhel7] # Warehouse name
Name=rhel7 # Warehouse description
Baseurl= http://ip/rhel7 # warehouse address, http:// is the protocol, / rhel7 is the ip host / var/www/html/rhel7 directory
Gpgcheck=0 # does not detect key
Enabled=1 # 1, warehouse takes effect; 0, no effect
[soft] # Warehouse name
Name=soft # Warehouse description
Baseurl= http://ip/software # warehouse address, http:// is the protocol, / software is the ip host / var/www/html/software directory
Gpgcheck=0 # does not detect key
Enabled=1 # 1, warehouse takes effect; 0, no effect
`
5. Clear cache and detect
* other hosts need to use a third-party software repository:
# you only need to modify the configuration file of the yum repository, as in step 4 of the desktop host
