CentOS 7下配置本地yum源及yum客户端

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Linux下对于软件包的管理使用rpm管理方式。直接使用rpm包管理工具来进行rpm包的安装,升级,卸载时,对于最让人头疼的莫过与包之间的依赖关系。yum作为一个rpm包前端管理工具,可以自动处理依赖性关系,一次安装所有依赖的软件包,并且支持在线下载、安装、卸载、升级rpm软件包。本文主要描述基于本机,本地yum服务器配置yum源,以及基于公网yum源配置本地客户端,供大家参考。

一、yum源实现的三个机制

1、需要有一个包含各种rpm安装文件的软件仓库(即yum源)
2、有软件仓库的仓库数据库(repodata),其中收集了软件仓库中所有rpm包的头部信息(每个rpm包的包头信息包含了该包的描述,功能,提供的文件,依赖关系等信息);
3、有软件仓库的地址等信息

二、配置本地yum源

创建rpm包文件存放目录及复制相关文件
  @H_404_11@# mkdir -pv /mnt/CentOS7_ISO
  @H_404_11@# cd /run/media/robin/CentOS\ 7\ x86_64/
  @H_404_11@# cp -R * /mnt/CentOS7_ISO/

修改yum源repo文件配置
  @H_404_11@# cd /etc/yum.repos.d/
  @H_404_11@# mkdir old
  @H_404_11@# mv *.repo old

编辑repo配置文件
  @H_404_11@# vi /etc/yum.repos.d/local.repo 
  [local-media]
  name=CentOS-$releasever - Media
  baseurl=file:@H_404_11@///mnt/CentOS7_ISO/
  gpgcheck=0
  enabled=1
  gpgkey=file:@H_404_11@///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7

清空yum缓存目录
  [root@centos7-router yum.repos.d]@H_404_11@# yum clean all
  Loaded plugins: fastestmirror,langpacks
  Cleaning repos: local-media
  Cleaning up everything
  Cleaning up list of fastest mirrors

生成yum元数据
  [root@centos7-router yum.repos.d]@H_404_11@# yum makecache
  Loaded plugins: fastestmirror,langpacks
  local-media                                                                        | 3.6 kB  00:00:00    
  (1/4): local-media/group_gz                                                      | 155 kB  00:00:00    
  (2/4): local-media/primary_db                                                    | 2.8 MB  00:00:00    
  (3/4): local-media/other_db                                                      | 1.2 MB  00:00:00    
  (4/4): local-media/filelists_db                                                  | 2.9 MB  00:00:00    
  Determining fastest mirrors
  Metadata Cache Created  @H_404_11@###提示元数据缓存创建成功

查看本机yum repo 仓库
  [root@centos7-router ~]@H_404_11@# yum repolist
  Loaded plugins: fastestmirror,langpacks
  Loading mirror speeds from cached hostfile
  repo id                                               repo name                    status
  local-media                                        CentOS-7 - Media                   3,723
  repolist: 3,723

二、基于ftp方式配置本地yum发布源

为本机配置ftp服务器,将其发布供网络其它客户端作为yum源

安装vsftp
  [root@centos7-router ~] @H_404_11@# yum -y install vsftpd
  [root@centos7-router ~] @H_404_11@# vi /etc/selinux/config
      SELINUX=disabled
  [root@centos7-router ~] @H_404_11@# setenforce 0 ###立即生效

修改ftp配置文件
  [root@centos7-router ~] @H_404_11@# vi /etc/vsftpd/vsftpd.conf
  anon_root=/mnt/CentOS7_ISO

启动ftp
  [root@centos7-router ~]@H_404_11@# systemctl start vsftpd
  [root@centos7-router ~]@H_404_11@# systemctl enable vsftpd

测试ftp服务可用性
  [root@centos7-router ~]@H_404_11@# ftp localhost
  Trying ::1...
  Connected to localhost (::1).
  220 (vsFTPd 3.0.2)
  Name (localhost:root): anonymous
  331 Please specify the password.
  Password:
  230 Login successful.
  Remote system type is UNIX.
  Using binary mode to transfer files.
  ftp> ls
  229 Entering Extended Passive Mode (|||41973|).
  150 Here comes the directory listing.
  -r@H_404_11@--r--r-- 1 0 0 14 Sep 14 09:06 CentOS_BuildTag
  dr-xr-xr-x    3 0        0              33 Sep 14 09:06 EFI  @H_404_11@### Author : Leshami 
  -r@H_404_11@--r--r-- 1 0 0 215 Sep 14 09:06 EULA ### Blog : http://blog.csdn.net/leshami 
  -r@H_404_11@--r--r-- 1 0 0 18009 Sep 14 09:06 GPL
  dr-xr-xr-x    2 0        0              41 Sep 14 09:06 LiveOS
  dr-xr-xr-x    2 0        0          200704 Sep 14 09:08 Packages
  -r@H_404_11@--r--r-- 1 0 0 1690 Sep 14 09:08 RPM-GPG-KEY-CentOS-7
  -r@H_404_11@--r--r-- 1 0 0 1690 Sep 14 09:08 RPM-GPG-KEY-CentOS-Testing-7
  -r@H_404_11@--r--r-- 1 0 0 2883 Sep 14 09:08 TRANS.TBL
  dr-xr-xr-x    3 0        0              54 Sep 14 09:06 images
  dr-xr-xr-x    2 0        0            4096 Sep 14 09:06 isolinux
  dr-xr-xr-x    2 0        0            4096 Sep 14 09:08 repodata
  226 Directory send OK.

配置防火墙
  [root@centos7-router ~]@H_404_11@# firewall-cmd --add-service=ftp --permanent
  [root@centos7-router ~]@H_404_11@# firewall-cmd --add-service=ftp
  [root@centos7-router ~]@H_404_11@# systemctl reload firewalld.service

三、基于http方式配置本地yum发布源

除了支持ftp方式外,也可以通过http方式将其发布供网络其它客户端作为yum源

安装httpd
  [root@centos7-router ~]@H_404_11@# yum install httpd
  [root@centos7-router ~]@H_404_11@# systemctl enable httpd
  [root@centos7-router ~]@H_404_11@# systemctl start httpd

配置防火墙
  [root@centos7-router ~]@H_404_11@# firewall-cmd --add-service=http --permanent
  [root@centos7-router ~]@H_404_11@# firewall-cmd --add-service=http
  [root@centos7-router ~]@H_404_11@# systemctl reload firewalld.service

将CentOS 光盘文件copy到/var/www/html/repo
此处使用了链接方式,将其链接到已经在本地磁盘的/mnt/CentOS7_ISO
  [root@centos7-router ~]@H_404_11@# ln -sv /mnt/CentOS7_ISO /var/www/html/repo
  ‘/var/www/html/repo’ -> ‘/mnt/CentOS7_ISO’
  [root@centos7-router ~]@H_404_11@# ls /var/www/html/repo
  CentOS_BuildTag EULA images LiveOS repo RPM-GPG-KEY-CentOS-7 TRANS.TBL
  EFI GPL isolinux Packages repodata RPM-GPG-KEY-CentOS-Testing-7

通过浏览器校验,此时应该可以看到文件列表(此处略) http://192.168.1.175/repo

四、配置本地网络yum源客户端(ftp方式)

配置客户端
  [root@centos7-web ~]# cd /etc/yum.repos.d/
  [root@centos7-web ~]# mkdir old
  [root@centos7-web ~]# mv *.repo old

  [root@centos7-web yum.repos.d]# vi /etc/yum.repos.d/intranet.repo
  [intranet-media]                                    #库名称
  name=CentOS-$releasever - Media    #名称描述
  baseurl=ftp://172.24.8.254                   #yum源目录,源地址
  gpgcheck=0                                         #检查GPG-KEY,0为不检查,1为检查
  enabled=1                                            #是否用该yum源,0为禁用,1为使用 
  gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7  #gpgcheck=0时无需配置 

  [root@centos7-web yum.repos.d]# yum clean all
  [root@centos7-web yum.repos.d]# yum makecache
  [root@centos7-web yum.repos.d]# yum repolist
  Loaded plugins: fastestmirror,langpacks
  Loading mirror speeds from cached hostfile
  repo id                     repo name                         status
  intranet-media              CentOS-7 - Media                               3,723

测试yum配置
  [root@centos7-web yum.repos.d]# yum install ftp -y

四、配置本地网络yum源客户端(http方式)

配置客户端repo文件
  [root@centos7-web ~]@H_404_11@# mv /etc/yum.repos.d/intranet.repo /etc/yum.repos.d/old/
  [root@centos7-web ~]@H_404_11@# yum-config-manager --add-repo=http://192.168.1.175/repo
  Loaded plugins: fastestmirror,langpacks
  adding repo from: http://192.168.1.175/repo

  [192.168.1.175_repo]
  name=added from: http://192.168.1.175/repo
  baseurl=http://192.168.1.175/repo
  enabled=1

  [root@centos7-web ~]@H_404_11@# yum clean all
  Loaded plugins: fastestmirror,langpacks
  Cleaning repos: 192.168.1.175_repo
  Cleaning up everything
  Cleaning up list of fastest mirrors

  [root@centos7-web ~]@H_404_11@# yum makecache
  Loaded plugins: fastestmirror,langpacks
  192.168.1.175_repo | 3.6 kB 00:00:00
  (1/4): 192.168.1.175_repo/group_gz | 155 kB 00:00:00
  (2/4): 192.168.1.175_repo/primary_db | 2.8 MB 00:00:00
  (3/4): 192.168.1.175_repo/other_db | 1.2 MB 00:00:00
  (4/4): 192.168.1.175_repo/filelists_db | 2.9 MB 00:00:01
  Determining fastest mirrors
  Metadata Cache Created

  [root@centos7-web ~]@H_404_11@# yum repolist
  Loaded plugins: fastestmirror,langpacks
  Loading mirror speeds from cached hostfile
  repo id repo name status
  192.168.1.175_repo added from: http://192.168.1.175/repo 3,723
  repolist: 3,723

五、配置阿里云、epel yum源客户端

# wget -O /etc/yum.repos.d/aliyun.repo http://mirrors.aliyun.com/repo/Centos-7.repo
# rpm -Uvh http://mirrors.kernel.org/fedora-epel/epel-release-latest-7.noarch.rpm 
# yum makecache

六、虚拟机环境直接使用iso文件充当yum源(补充@20171110)

如下为光盘iso文件路径,可以直接将其配置到baseurl,最大的好处是,可以节省虚拟机磁盘空间占用。如下: baseurl=”file:///run/media/robin/CentOS 7 x86_64”

原文链接:https://www.f2er.com/centos/375707.html

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