Linxu learning (4) -- Yum and apt commands

□ Linux yum command

yum（ Yellow dog Updater, Modified） It's a Fedora and RedHat as well as SUSE Medium Shell Front end package manager .

be based on RPM Package management , Can be automatically downloaded from the specified server RPM Package and install , Dependency relationships can be handled automatically , And install all the dependent packages at once , No need to download it over and over again 、 install .

yum Provides search 、 install 、 Delete a 、 A set or even a whole package of commands , And the command is simple and easy to remember .

1. yum grammar

yum [options] [command] [package ...]
 
options： Optional , Options include -h（ help ）,-y（ When prompted during the installation process, select all as  "yes"）,-q（ Do not show the installation process ） wait .
command： What to do .
package： Installed package name .

2. yum Common commands

· 1. List all updatable software list commands ：yum check-update

· 2. Update all software commands ：yum update

· 3. Install only the specified software commands ：yum install <package_name>

· 4. Update only the specified software commands ：yum update <package_name>

· 5. List all installable software list commands ：yum list

· 6. Delete package command ：yum remove <package_name>

· 7. Find package command ：yum search

· 8. Clear cache command :

o yum clean packages: Clear package in cache directory

o yum clean headers: Clear... From the cache directory headers

o yum clean oldheaders: Clear the old... In the cache directory headers

o yum clean, yum clean all (= yum clean packages; yum clean oldheaders) : Clear the packages and old ones in the cache directory headers

□ Linux apt command

apt（Advanced Packaging Tool） It's a Debian and Ubuntu Medium Shell Front end package manager .

apt Command execution requires super administrator privileges (root).

1. apt grammar

apt [options] [command] [package ...]
 
options： Optional , Options include  -h（ help ）,-y（ When prompted during the installation process, select all as "yes"）,-q（ Do not show the installation process ） wait . 
command： What to do . 
package： Installed package name .

2. apt Common commands

· List all updatable software list commands ：sudo apt update

· Upgrade package ：sudo apt upgrade

List updatable packages and version information ：apt list --upgradeable

Upgrade package , Delete the software package that needs to be updated before upgrading ：sudo apt full-upgrade

· Install the specified software command ：sudo apt install <package_name>

Install multiple packages ：sudo apt install <package_1> <package_2> <package_3>

· Update the specified software command ：sudo apt update <package_name>

· Display package details , for example ： Version number , Installation size , Dependencies, etc ：sudo apt show <package_name>

· Delete package command ：sudo apt remove <package_name>

· Clean up dependency and library files that are no longer in use : sudo apt autoremove

· Remove packages and configuration files : sudo apt purge <package_name>

· Find package command ： sudo apt search

· List all installed packages ：apt list --installed

· List the version information of all installed packages ：apt list --all-versions