[the root @ localhost ~] # umount / Media / umount: / Media /: unmounted [the root @ localhost ~] # Mount / dev / SR0 / Media / Mount: / dev / write protection SR0, hanging as read-only carrier [the root @ localhost ~] # DF / dev / SR0 4480476 4480476 0 100% / Media [the root @ localhost ~] # CD /etc/yum.repos.d/ [yum.repos.d the root @ localhost] # mkdir / cdrom [root @ localhost yum.repos.d] # mv * C / cdrom /
[root@localhost yum.repos.d]# vim local.repo
[KGC] name = KGC baseurl = file: /// media enabled = 1 gpgcheck = 0
[root @ localhost yum.repos.d] # yum -y clean all // clear the yum repository is loaded plugins: fastestmirror, langpacks are cleaning software source: KGC Cleaning up List of Fastest Mirrors Other Repos 450 M of the Take up Disk Space ( --verbose the Details for use) [root @ localhost yum.repos.d] # yum makecache // rebuild metadata cache is loaded plugins: fastestmirror, the Langpacks Determining Fastest Mirrors KGC | 3.6 kB 00:00:00 (1/4) : KGC / group_gz | 166 kB 00:00:00 (2/4): KGC / filelists_db | 3.2 MB 00:00:00 (3/4): KGC / primary_db | 3.1 MB 00:00:00 (4/4 ): kgc / other_db | 1.3 MB 00:00:00 metadata cache has been established
Online yum :( Ali mirrored boot download, configure epel yum source)
[root@localhost ~]# vim 163.repo
[163] name=163 baseurl=http://mirrors.163.com/centos/7.6.1810/os/x86_64/ gpgcheck=0 enabled=1
[root @ localhost ~] # cd /etc/yum.repos.d/ [root @ localhost yum.repos.d] // wget # wget is http://mirrors.aliyun.com/repo/Centos-7.repo a tool to download files --2019-09-09 09: 46: 47-- http://mirrors.aliyun.com/repo/Centos-7.repo Resolving host mirrors.aliyun.com (mirrors.aliyun.com ) ... 219.238.20.83, 219.238.20.85, 219.238.20.101, ... connecting mirrors.aliyun.com (mirrors.aliyun.com) | 219.238.20.83 |: 80 ... failed: connection refused. Connecting mirrors.aliyun.com (mirrors.aliyun.com) | 219.238.20.85 |: 80 ... connected. HTTP request has been issued, awaiting response ... 200 OK length: 2523 (2.5K) [application / octet-stream] is saved to: "Centos-7.repo" 100% [========= ================================================== ====================>] 2,523 11.2KB / s when using 0.2s 2019-09-09 09:47:09 (11.2 KB / s) - Saved "Centos-7.repo" [2523/2523]) [root @ localhost yum.repos.d] #