1.上傳iso到/opt目錄
2.配置
[root@localhost ~]# mkdir /mnt/cdrom
[root@localhost ~]# vi /etc/fstab
/opt/CentOS-7-x86_64-DVD-1708.iso /mnt/cdrom iso9660 loop 0 0
[root@localhost ~]# cd /etc/yum.repos.d/
[root@localhost yum.repos.d]# ll
total 28
-rw-r--r--. 1 root root 1664 Aug 30 23:53 CentOS-Base.repo
-rw-r--r--. 1 root root 1309 Aug 30 23:53 CentOS-CR.repo
-rw-r--r--. 1 root root 649 Aug 30 23:53 CentOS-Debuginfo.repo
-rw-r--r--. 1 root root 314 Aug 30 23:53 CentOS-fasttrack.repo
-rw-r--r--. 1 root root 630 Aug 30 23:53 CentOS-Media.repo
-rw-r--r--. 1 root root 1331 Aug 30 23:53 CentOS-Sources.repo
-rw-r--r--. 1 root root 3830 Aug 30 23:53 CentOS-Vault.repo
[root@localhost yum.repos.d]# touch CentOS-ISO.repo
[root@localhost yum.repos.d]# vi CentOS-ISO.repo
[root@localhost yum.repos.d]# reboot
[root@localhost yum.repos.d]# rpm --import /mnt/cdrom/RPM-GPG-KEY-CentOS-7
[root@localhost yum.repos.d]# cat /mnt/cdrom/RPM-GPG-KEY-CentOS-7
-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: GnuPG v1.4.5 (GNU/Linux)
mQINBFOn/0sBEADLDyZ+DQHkcTHDQSE0a0B2iYAEXwpPvs67cJ4tmhe/iMOyVMh9
Yw/vBIF8scm6T/***5fopsKiW9UsAhGKg0epC6y5ed+NAUHTEa6pSOdo7CyFDwtn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=OGYX
-----END PGP PUBLIC KEY BLOCK-----
[root@localhost yum.repos.d]# mkdir bak
[root@localhost yum.repos.d]# mv {CentOS-Base.repo,CentOS-CR.repo,CentOS-Debuginfo.repo,CentOS-fasttrack.repo,CentOS-Sources.repo,CentOS-Vault.repo,CentOS-Media.repo} bak/
[root@localhost yum.repos.d]# ll
total 4
drwxr-xr-x. 2 root root 187 Dec 20 16:11 bak
-rw-r--r--. 1 root root 132 Dec 20 16:06 CentOS-ISO.repo
[root@localhost yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: base
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
[root@localhost yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
base | 3.6 kB 00:00:00
(1/4): base/group_gz | 156 kB 00:00:00
(2/4): base/filelists_db | 3.1 MB 00:00:00
(3/4): base/primary_db | 3.1 MB 00:00:00
(4/4): base/other_db | 1.2 MB 00:00:00
Determining fastest mirrors
Metadata Cache Created
[root@localhost yum.repos.d]# yum update all
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
No Match for argument: all
No package all available.
No packages marked for update
[root@localhost yum.repos.d]# cat CentOS-ISO.repo
[base]
name=CentOS-$releasever - Base
baseurl=file:///mnt/cdrom
enabled=1
gpgcheck=0
gpgkey=file:///mnt/cdrom/RPM-GPG-KEY-CentOS-7
