CentOS EPEL yum源

用yum安裝軟件時，經常發現我們的yum源里面沒有該軟件，比如htop。網上查到的一個方案是需要自己去wget源碼，然后configure，make，make install，總體比較麻煩。

其實，CentOS還有一個源叫做 EPEL (Extra Packages for Enterprise Linux)，為“紅帽系”的操作系統提供額外的軟件包，適用於RHEL、CentOS等，里面有1萬多個軟件，強烈建議安裝。

安裝 epel-release

首先我們需要安裝一個叫“epel-release”的軟件包，這個軟件包會自動配置yum的軟件倉庫。到下面的網址找你對應的CentOS版本和計算機架構：http://download.fedoraproject.org/pub/epel

我的是64位的CentOS7，對應的地址是：https://mirrors.ustc.edu.cn/epel//7/x86_64/Packages/e/epel-release-7-11.noarch.rpm

下載並安裝epel-release-7-11.noarch.rpm

[root@99b8f912c857 ~]# wget https://mirrors.ustc.edu.cn/epel//7/x86_64/Packages/e/epel-release-7-11.noarch.rpm --2018-01-06 03:11:37-- https://mirrors.ustc.edu.cn/epel//7/x86_64/Packages/e/epel-release-7-11.noarch.rpm Resolving docker.for.mac.localhost (docker.for.mac.localhost)... 192.168.65.1, 192.168.65.1 Connecting to docker.for.mac.localhost (docker.for.mac.localhost)|192.168.65.1|:2323... connected. Proxy request sent, awaiting response... 200 OK Length: 15080 (15K) [application/x-redhat-package-manager] Saving to: 'epel-release-7-11.noarch.rpm' 100%[=========================================================================================================>] 15,080 --.-K/s in 0s 2018-01-06 03:11:37 (160 MB/s) - 'epel-release-7-11.noarch.rpm' saved [15080/15080] [root@99b8f912c857 ~]# rpm -ivh epel-release-7-11.noarch.rpm warning: epel-release-7-11.noarch.rpm: Header V3 RSA/SHA256 Signature, key ID 352c64e5: NOKEY Preparing... ################################# [100%] Updating / installing... 1:epel-release-7-11 ################################# [100%]

更新yum源

[root@99b8f912c857 ~]# yum clean all [root@99b8f912c857 ~]# yum update

安裝所需軟件

[root@99b8f912c857 ~]# yum install nginx