如何在CentOS中添加、启用和禁用一个仓库

每个仓库都有多个渠道，比如测试（Testing）、开发（Dev）和存档（Archive）等。通过导航到仓库文件位置，你可以更好地理解这一点。

# ls -lh /etc/yum.repos.d
total 64K
-rw-r--r-- 1 root root 2.0K Apr 12 02:44 CentOS-Base.repo
-rw-r--r-- 1 root root 647 Apr 12 02:44 CentOS-Debuginfo.repo
-rw-r--r-- 1 root root 289 Apr 12 02:44 CentOS-fasttrack.repo
-rw-r--r-- 1 root root 630 Apr 12 02:44 CentOS-Media.repo
-rw-r--r-- 1 root root 916 May 18 11:07 CentOS-SCLo-scl.repo
-rw-r--r-- 1 root root 892 May 18 10:36 CentOS-SCLo-scl-rh.repo
-rw-r--r-- 1 root root 6.2K Apr 12 02:44 CentOS-Vault.repo
-rw-r--r-- 1 root root 7.9K Apr 12 02:44 CentOS-Vault.repo.rpmnew
-rw-r--r-- 1 root root 957 May 18 10:41 epel.repo
-rw-r--r-- 1 root root 1.1K Nov 4 2012 epel-testing.repo
-rw-r--r-- 1 root root 1.2K Feb 23 2017 ius-archive.repo
-rw-r--r-- 1 root root 1.2K Feb 23 2017 ius-dev.repo
-rw-r--r-- 1 root root 1.1K May 18 10:41 ius.repo
-rw-r--r-- 1 root root 1.2K Feb 23 2017 ius-testing.repo

如何在系统中启用一个仓库

当你在默认情况下添加一个新仓库时，它将启用它们的稳定仓库，这就是为什么我们在运行 yum repolist 命令时获取了仓库信息。在某些情况下，如果你希望启用它们的测试、开发或存档仓库，使用以下命令。另外，，我们还可以使用此命令启用任何禁用的仓库。

为了验证这一点，我们将启用 epel-testing.repo，运行下面的命令：

# yum-config-manager --enable epel-testing
 
Loaded plugins: fastestmirror
==================================================================================== repo: epel-testing =====================================================================================
[epel-testing]
bandwidth = 0
base_persistdir = /var/lib/yum/repos/x86_64/6
baseurl =
cache = 0
cachedir = /var/cache/yum/x86_64/6/epel-testing
cost = 1000
enabled = 1
enablegroups = True
exclude =
failovermethod = priority
ftp_disable_epsv = False
gpgcadir = /var/lib/yum/repos/x86_64/6/epel-testing/gpgcadir
gpgcakey =
gpgcheck = True
gpgdir = /var/lib/yum/repos/x86_64/6/epel-testing/gpgdir
gpgkey = file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6
hdrdir = /var/cache/yum/x86_64/6/epel-testing/headers
http_caching = all
includepkgs =
keepalive = True
mdpolicy = group:primary
mediaid =
metadata_expire = 21600
metalink =
mirrorlist = https://mirrors.fedoraproject.org/metalink?repo=testing-epel6&arch=x86_64
mirrorlist_expire = 86400
name = Extra Packages for Enterprise Linux 6 - Testing - x86_64
old_base_cache_dir =
password =
persistdir = /var/lib/yum/repos/x86_64/6/epel-testing
pkgdir = /var/cache/yum/x86_64/6/epel-testing/packages
proxy = False
proxy_dict =
proxy_password =
proxy_username =
repo_gpgcheck = False
retries = 10
skip_if_unavailable = False
ssl_check_cert_permissions = True
sslcacert =
sslclientcert =
sslclientkey =
sslverify = True
throttle = 0
timeout = 30.0
username =

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