Options of the yum command:
- yum check-update: List all software that can be updated.
- yum update: update all software.
- yum install: Only install the specified software.
- yum update
: Only update the specified software. - yum list: Get the software installation status in the system, and you can also query the list of software packages available in the software warehouse.
- yum list installed: Indicates that only the software packages installed in the system are listed.
- yum list available: Indicates that only software packages that are available (not installed) in the software warehouse are listed.
- yum list updates: Indicates that only software packages that can be upgraded are listed.
- yum remove
: Uninstall a specified software. - yum search
: Find the specified software package. - yum info: Query the description information of the package, such as “yum info httpd”
- Command to clear the cache:
- yum clean packages: Clear the cache directory Package.
- yum clean headers: Clear headers in the cache directory.
- yum clean oldheaders: Clear the old headers in the cache directory.
- yum clean, yum clean all: Clear the packages and old headers in the cache directory.
Options of the rpm command:
- -q: Query whether the software package with a known name has been installed;
- -qp: Query the RPM software package files that have not been installed;
- -qa: Display a list of all software installed in the current system by RPM;
- -qi: View the specified software Package name, version, license agreement, usage description and other detailed information (–info);
- -ql: Display a list of all directories and files installed by the specified package in the current system (–list );
- -qf: View which package is installed by the specified file or directory (–file);
- -qpi: View the name, version, Detailed information such as license agreement and usage description;
- -qpl: View the list of all target directories and files that the software package is ready to install;
- -i: Install in the current system ( install) a new RPM software package;
- -e: uninstall the specified name of the software package;
- -U: check and upgrade a certain software package in the system, if the software If the package is not installed originally, it is equivalent to the “-i” option;
- -F: Check and update a certain software package in the system, if the software package has not been installed before, abort the installation;< /li>
- -h: During the installation or upgrade process, display the installation progress with the # sign;
- -v: Display the detailed information during the software installation process;
- – -force: Forcibly install a certain software package. You can use this option when you need to replace the installed software package and files, or install a software older than the currently used software version;
- — nodeps: When installing, upgrading, or uninstalling a software package, it does not check the dependencies with other software packages.
- –addsign: Add a new signature certificate to the specified software package.
- –allfiles: Install all files.
- –allmatches: Delete files that match the specified software package.
- –badreloc: When an error occurs, reconfigure the file.
- –buildroot: Set the directory to be used as the root directory when generating the software package.
- –changelog: Display the change log of the software package.
- –checksig: Check the signature verification of the package.
- –clean: After completing the packaging of the software package, delete the directory created during the packaging process.
- –dbpath: Set the directory where you want to store the rpm database.
- –dump: Display the verification information of each file, which needs to be used with the -l parameter.
- –excludedocs: Do not install files when installing software packages.
- –excludepath: Ignore all files in the specified directory.
- –ftpproxy: Specify the ftp proxy server.
- –ftpport: Set the communication port used by the FTP server or proxy server.
- –help: Online help.
- –httpProxy: Specify http proxy server.
- –httpport: Set the communication port used by the http server or proxy server.
- –ignorearch: Do not verify the correctness of the package structure.
- –ignoreos: Do not verify the correctness of the package structure.
- –ignoresize: Do not check whether the disk space is sufficient before installation.
- –includedocs: Install the files at the same time as the package is installed.
- –initdb: Confirm that the correct database is available.
- –justdb: Update the database without changing any files.
- –nobulid: Do not execute any completion stage.
- –nofiles: Do not verify file attributes.
- –nogpg: Skip all gpg signature verification.
- –nomd5: Do not use md5 encoding calculation, confirm the size and correctness of the file.
- –nopgp: Skip all pgp signature verification.
- –noorder: Do not rearrange the installation order of the software packages in order to meet the correlation between them.
- –noscripts: Do not execute any installation script files.
- –notriggers: Do not execute any script files in the package.
- –oldpackage: Upgrade to the old version of the package.
- –percent: When the software package is installed, the percentage of completion is displayed.
- –pipe: Establish a pipe to convert the output result into the input data of the execution instruction.
- –perfix: If you reconfigure the file, put the file in the specified directory.
- –provides: Query the compatibility provided by the package.
- –queryformat: Set the representation method of the file header.
- –querytags: List the tags that can be used in the file header format.
- –rcfile: Use the specified configuration file.
- –rebulid: Install the original code package and regenerate the binary file package.
- –rebuliddb: Rebuild a copy of the database based on the existing database.
- –recomplie: The effect of this parameter is similar to rebulid. It also installs the original code software package and does not generate the software package.
- –relocate: Relocate the files that would have been placed in the original directory to the new directory.
- –replacefiles: Forcibly replace files.
- –replacepkgs: Forcibly replace the software package.
- –requires: Query the compatibility required by the software package.
- –resig: Delete the existing certificate and regenerate the signature certificate.
- –rmsource: After the package is packaged, delete the original code.
- –rmsource
: Delete the original code and the specified file. - –root
: Set the directory that you want to be the root directory. - –scripts: List the script variables of the installation package.
- –setperms: Set file permissions.
- –setugids: Set file owner and group.
- –short-circuit: directly skip the steps of the designated completion stage.
- –sign: generate gpg or pgp signature authentication.
- –target=
: Set the installation platform of the generated software package. - –test: Only for testing, not really installing the package.
- –timecheck
: Set the check time in seconds. - –triggeredby: Query the packager of the package.
- –triggers: Display the packaging scripts in the software package.
- –verify: equal to the -q parameter.
- –version: Display version information.
- –whatprovides
: Query the compatibility of the software package to the specified features. - –whatrequires
: Query the compatibility of the software package for the specified features.
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