創建配置文件的格式:
[base]
name= centos cdrom
mirrorlist=file:///root/baselist
gpgkey=file:///mnt/cdrom/rpm-gpg-key-centos-7
[epel]
name=epel
baseurl=https://mirrors aliyun.com/epel/7/×86_641
gpgcheck=0
enabled=0
C語言源代碼安裝三步驟
1、./configure
2、make
3、make install
yum
?CentOS: yum, dnf
?YUM: Yellowdog Update Modifier,rpm的前端程序,可解決軟件包相關依賴性,可在多個庫之間定位軟件包,up2date的替代工具
yum repository: yum repo,存儲了眾多rpm包,以及包的相關的元數據文件(放置于特定目錄repodata下)
文件服務器:
http://
https://
ftp://
file://
yum配置文件
?yum客戶端配置文件:
/etc/yum.conf:為所有倉庫提供公共配置
/etc/yum.repos.d/*.repo:為倉庫的指向提供配置
倉庫指向的定義:
[repositoryID]
name=Some name for this repository
baseurl=url://path/to/repository/
enabled={1|0}
gpgcheck={1|0}
gpgkey=URL
enablegroups={1|0}
failovermethod={roundrobin|priority}
roundrobin:意為隨機挑選,默認值
priority:按順序訪問
cost= 默認為1000
yum倉庫
?yum的repo配置文件中可用的變量:
$releasever: 當前OS的發行版的主版本號
$arch: 平臺,i386,i486,i586,x86_64等
$basearch:基礎平臺;i386, x86_64
$YUM0-$YUM9:自定義變量
? 實例:
http://server/centos/$releasever/$basearch/
yum源
? 阿里云repo文件:
?CentOS系統的yum源
? 阿里云:https://mirrors.aliyun.com/centos/$releasever/os/x86_64/
? 教學環境: http://172.20.0.1/cobbler/ks_mirror/$releasever/
?EPEL的yum源:
? 阿里云: https://mirrors.aliyun.com/epel/$releasever/x86_64
? 教學環境: http://172.20.0.1/fedora-epel/$releasever/x86_64/
? 生成172.16.0.1_cobbler_ks_mirror_CentOS-X-x86_64_.repo
yum-config-manager –add-repo= http://172.16.0.1/cobbler/ks_mirror/7/
?yum-config-manager –disable “倉庫名” 禁用倉庫
?yum-config-manager –enable “倉庫名” 啟用倉庫
yum命令
?yum命令的用法:
yum [options] [command] [package …]
? 顯示倉庫列表:
yum repolist [all|enabled|disabled]
? 顯示程序包:
yum list
yum list [all | glob_exp1] [glob_exp2] […]
yum list {available|installed|updates} [glob_exp1] […]
? 安裝程序包:
yum install package1 [package2] […]
yum reinstall package1 [package2] […] (重新安裝
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