Centos 7 配置阿里云yum源

迷南。 2024-02-21 11:26 77阅读 0赞

查版本号的命令

\[root@localhost yum.repos.d\]\# cat /etc/redhat-release  
CentOS Linux release 7.4.1708 (Core)

https://www.cnblogs.com/lfxx/p/17287253.html

1 备份现有的yum源  
cd /etc/yum.repos.d/  
mkdir bak  
mv \*.repo /etc/yum.repos.d/bak

2 创建阿里云yum源  
方式2：  
wget -O /etc/yum.repos.d/aliyun.repo http://mirrors.aliyun.com/repo/Centos-7.repo

3 清理并重新加载yum源  
yum clean all && yum makecache

yum install vim  
yum install tree  
cd /  
tree

\[root@localhost vmware-tools-distrib\]\# yum --help  
Loaded plugins: fastestmirror, langpacks  
Usage: yum \[options\] COMMAND

List of Commands:

check Check for problems in the rpmdb  
check-update Check for available package updates  
clean Remove cached data  
deplist List a package's dependencies  
distribution-synchronization Synchronize installed packages to the latest available versions  
downgrade downgrade a package  
erase Remove a package or packages from your system  
fs Acts on the filesystem data of the host, mainly for removing docs/lanuages for minimal hosts.  
fssnapshot Creates filesystem snapshots, or lists/deletes current snapshots.  
groups Display, or use, the groups information  
help Display a helpful usage message  
history Display, or use, the transaction history  
info Display details about a package or group of packages  
install Install a package or packages on your system  
langavailable Check available languages  
langinfo List languages information  
langinstall Install appropriate language packs for a language  
langlist List installed languages  
langremove Remove installed language packs for a language  
list List a package or groups of packages  
load-transaction load a saved transaction from filename  
makecache Generate the metadata cache  
provides Find what package provides the given value  
reinstall reinstall a package  
repo-pkgs Treat a repo. as a group of packages, so we can install/remove all of them  
repolist Display the configured software repositories  
search Search package details for the given string  
shell Run an interactive yum shell  
swap Simple way to swap packages, instead of using shell  
update Update a package or packages on your system  
update-minimal Works like upgrade, but goes to the 'newest' package match which fixes a problem that affects your system  
updateinfo Acts on repository update information  
upgrade Update packages taking obsoletes into account  
version Display a version for the machine and/or available repos.

Options:  
\-h, --help show this help message and exit  
\-t, --tolerant be tolerant of errors  
\-C, --cacheonly run entirely from system cache, don't update cache  
\-c \[config file\], --config=\[config file\]  
config file location  
\-R \[minutes\], --randomwait=\[minutes\]  
maximum command wait time  
\-d \[debug level\], --debuglevel=\[debug level\]  
debugging output level  
\--showduplicates show duplicates, in repos, in list/search commands  
\-e \[error level\], --errorlevel=\[error level\]  
error output level  
\--rpmverbosity=\[debug level name\]  
debugging output level for rpm  
\-q, --quiet quiet operation  
\-v, --verbose verbose operation  
\-y, --assumeyes answer yes for all questions  
\--assumeno answer no for all questions  
\--version show Yum version and exit  
\--installroot=\[path\] set install root  
\--enablerepo=\[repo\] enable one or more repositories (wildcards allowed)  
\--disablerepo=\[repo\] disable one or more repositories (wildcards allowed)  
\-x \[package\], --exclude=\[package\]  
exclude package(s) by name or glob  
\--disableexcludes=\[repo\]  
disable exclude from main, for a repo or for  
everything  
\--disableincludes=\[repo\]  
disable includepkgs for a repo or for everything  
\--obsoletes enable obsoletes processing during updates  
\--noplugins disable Yum plugins  
\--nogpgcheck disable gpg signature checking  
\--disableplugin=\[plugin\]  
disable plugins by name  
\--enableplugin=\[plugin\]  
enable plugins by name  
\--skip-broken skip packages with depsolving problems  
\--color=COLOR control whether color is used  
\--releasever=RELEASEVER  
set value of $releasever in yum config and repo files  
\--downloadonly don't update, just download  
\--downloaddir=DLDIR specifies an alternate directory to store packages  
\--setopt=SETOPTS set arbitrary config and repo options  
\--bugfix Include bugfix relevant packages, in updates  
\--security Include security relevant packages, in updates  
\--advisory=ADVS, --advisories=ADVS  
Include packages needed to fix the given advisory, in  
updates  
\--bzs=BZS Include packages needed to fix the given BZ, in  
updates  
\--cves=CVES Include packages needed to fix the given CVE, in  
updates  
\--sec-severity=SEVS, --secseverity=SEVS  
Include security relevant packages matching the  
severity, in updates

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