| Order | Function |
|---|---|
| yum check-update | Check all packages that are updatable |
| yum update | Download all packages installed by the update system |
| yum upgrade | Large-scale version upgrade, unlike yum update, even the old outdated packages are also upgraded |
| yum install <packages> | Install new packages |
| yum update <packages> | Update the specified package |
| yum remove <packages> | Uninstall the specified package |
| yum groupinstall <groupnames> | Install packages in the specified software group |
| yum groupupdate <groupnames> | Update packages in the specified software group |
| yum groupremove <groupnames> | Uninstall a package in the specified software group |
| yum grouplist | View installed and available software groups on the system |
| yum list | List all rpm packages that can be installed or updated and installed in the repository |
| yum list <regex> | List the rpm packages that can be installed or updated and installed that match the regular expression in the repository |
| yum list available | List all installable rpm packages in the repository |
| yum list available <regex> | List all installable rpm packages in the repository that match a regular expression |
| yum list updates | List all rpm packages that can be updated in the repository |
| yum list updates <regex> | List all updateable rpm packages in the repository that match the regular expression |
| yum list installed | List all installed rpm packages in the repository |
| yum list installed <regex> | List all installed rpm packages in the repository that match a regular expression |
| yum list extras | List installed rpm packages that are not included in the repository |
| yum list extras <regex> | List installed rpm packages that match a regular expression but are not included in the repository |
| yum list recent | List packages recently added to the repository |
| yum search <regex> | Detects the names, descriptions, profiles and listed maintainers of all available software, looking for values that match a regular expression |
| yum provides <regex> | Detects files contained in packages and functions provided by the software, looking for values that match regular expressions |
| yum clean headers | Clear rpm header files from cache |
| yum clean packages | Clear the rpm package files in the cache |
| yum clean all | Clear rpm header and package files from cache |
| yum deplist <packages> | Display package dependencies |
ps：
- When yum is used for the first time or the yum repository is updated, yum will automatically download all the required headers and place them in the /var/cache/yum directory, which may take a long time.
- Package information can also be listed using the yum info command, the parameters available for yum info are the same as for yum list.
- The yum command can also use the -y parameter to answer questions asked when the command runs with yes.
Author: Xinxin Xin, published in Blog Park
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