yum不能使用問題
問題：
[[email protected] yum.repos.d]# yum install wget
已載入外掛：fastestmirror
Loading mirror speeds from cached hostfile
There are no enabled repos.
Run "yum repolist all" to see the repos you have.
To enable Red Hat Subscription Management repositories:
subscription-manager repos --enable <repo>
To enable custom repositories:
yum-config-manager --enable <repo>
[[email protected] yum.repos.d]# yum repolist all
已載入外掛：fastestmirror
Loading mirror speeds from cached hostfile
源標識 源名稱 狀態
C7.0.1406-base/x86_64 CentOS-7.0.1406 - Base 禁用
C7.0.1406-centosplus/x86_64 CentOS-7.0.1406 - CentOSPlus 禁用
C7.0.1406-extras/x86_64 CentOS-7.0.1406 - Extras 禁用
C7.0.1406-fasttrack/x86_64 CentOS-7.0.1406 - CentOSPlus 禁用
C7.0.1406-updates/x86_64 CentOS-7.0.1406 - Updates 禁用
C7.1.1503-base/x86_64 CentOS-7.1.1503 - Base 禁用
C7.1.1503-centosplus/x86_64 CentOS-7.1.1503 - CentOSPlus 禁用
C7.1.1503-extras/x86_64 CentOS-7.1.1503 - Extras 禁用
C7.1.1503-fasttrack/x86_64 CentOS-7.1.1503 - CentOSPlus 禁用
C7.1.1503-updates/x86_64 CentOS-7.1.1503 - Updates 禁用
C7.2.1511-base/x86_64 CentOS-7.2.1511 - Base 禁用
C7.2.1511-centosplus/x86_64 CentOS-7.2.1511 - CentOSPlus 禁用
C7.2.1511-extras/x86_64 CentOS-7.2.1511 - Extras 禁用
C7.2.1511-fasttrack/x86_64 CentOS-7.2.1511 - CentOSPlus 禁用
C7.2.1511-updates/x86_64 CentOS-7.2.1511 - Updates 禁用
C7.3.1611-base/x86_64 CentOS-7.3.1611 - Base 禁用
C7.3.1611-centosplus/x86_64 CentOS-7.3.1611 - CentOSPlus 禁用
C7.3.1611-extras/x86_64 CentOS-7.3.1611 - Extras 禁用
C7.3.1611-fasttrack/x86_64 CentOS-7.3.1611 - CentOSPlus 禁用
C7.3.1611-updates/x86_64 CentOS-7.3.1611 - Updates 禁用
base-debuginfo/x86_64 CentOS-7 - Debuginfo 禁用
base-source/7 CentOS-7 - Base Sources 禁用
c7-media CentOS-7 - Media 禁用
centosplus-source/7 CentOS-7 - Plus Sources 禁用
cr/7/x86_64 CentOS-7 - cr 禁用
extras-source/7 CentOS-7 - Extras Sources 禁用
fasttrack/7/x86_64 CentOS-7 - fasttrack 禁用
updates-source/7 CentOS-7 - Updates Sources 禁用
repolist: 0
解決方法：
因為我的系統為：centos7 ：所以使用檔案：CentOS7-Base-163.repo 下載該檔案到
[[email protected] yum.repos.d]# yum clean all
已載入外掛：fastestmirror
正在清理軟體源： base extras updates
Cleaning up everything
Maybe you want: rm -rf /var/cache/yum, to also free up space taken by orphaned data from disabled or removed repos
Cleaning up list of fastest mirrors
[
已載入外掛：fastestmirror
base | 3.6 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
(1/12): base/7/x86_64/group_gz | 166 kB 00:00
(2/12): base/7/x86_64/primary_db | 5.9 MB 00:00
(3/12): base/7/x86_64/filelists_db | 6.9 MB 00:00
(4/12): base/7/x86_64/other_db | 2.5 MB 00:00
(5/12): extras/7/x86_64/prestodelta | 100 kB 00:00
(6/12): extras/7/x86_64/filelists_db | 603 kB 00:00
(7/12): extras/7/x86_64/primary_db | 205 kB 00:00
(8/12): extras/7/x86_64/other_db | 126 kB 00:00
(9/12): updates/7/x86_64/prestodelta | 679 kB 00:00
(10/12): updates/7/x86_64/filelists_db | 3.4 MB 00:00
(11/12): updates/7/x86_64/other_db | 578 kB 00:00
(12/12): updates/7/x86_64/primary_db | 6.0 MB 00:00
Determining fastest mirrors
元資料快取已建立
[[email protected] yum.repos.d]# yum repolist
已載入外掛：fastestmirror
Loading mirror speeds from cached hostfile
源標識 源名稱 狀態
base/7/x86_64 CentOS-7 - Base - 163.com 9,911
extras/7/x86_64 CentOS-7 - Extras - 163.com 434
updates/7/x86_64 CentOS-7 - Updates - 163.com 1,614
repolist: 11,959
上面repolist 顯示安裝成功
測試： yum install wget 則安裝成功
參考：https://blog.csdn.net/qq_39720249/article/details/84104646