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How to fix yum after CentOS 6 went EOL

2021-09-29 13:02:32  阅读:187  来源: 互联网

标签:after repository CentOS fix 6.10 repo etc yum


 

We have by far the largest RPM repository with NGINX module packages and VMODs for Varnish. If you want to install NGINX, Varnish, and lots of useful performance/security software with smooth yum upgrades for production use, this is the repository for you.
Active subscription is required.

If for whatever reason, you are stuck with the now EOL version of the CentOS operating system, you can no longer run yum upgrade successfully. Running yum upgrade in CentOS 6 will yield the following results:

Setting up Upgrade Process
YumRepo Error: All mirror URLs are not using ftp, http[s] or file.
Eg. Invalid release/repo/arch combination/
removing mirrorlist with no valid mirrors: /var/cache/yum/x86_64/6/base/mirrorlist.txt
Error: Cannot retrieve repository metadata (repomd.xml) for repository: base. Please verify its path and try again

Rightfully so, as the YUM repository was removed from the main CentOS update servers, no security or feature upgrades are provided.

However, not all the repositories have halted their support for CentOS 6. The GetPageSpeed repository still provides up-to-date NGINX builds and its module packages.

This may be one reason why you want yum upgrade to still work. Or simply, you are not ready to move on with a newer operating system, and willing to take the security risks associated with using the older version.

How to fix yum upgrade then?

Use the CentOS Vault repository

The CentOS Vault repositories have been around for a long time and allow you to stick to a specific CentOS x.y release even while newer ones are available. Now that there will be no newer 6.x, you can simply point your yum repository configuration to the latest 6.x that will ever be, which is 6.10.

To use the Vault repository, set up its repo configuration instead of the now defunct repositories configuration:

curl https://www.getpagespeed.com/files/centos6-eol.repo --output /etc/yum.repos.d/CentOS-Base.repo

That’s it, everything should be functional.

Alternatively, you can manually replace the contents of the file /etc/yum.repos.d/CentOS-Base.repo with the necessary configuration.

Copy-paste the entire snippet below and hit Enter:

cat <<-'EOF' > /etc/yum.repos.d/CentOS-Base.repo
[C6.10-base]
name=CentOS-6.10 - Base
baseurl=http://vault.centos.org/6.10/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.10-updates]
name=CentOS-6.10 - Updates
baseurl=http://vault.centos.org/6.10/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.10-extras]
name=CentOS-6.10 - Extras
baseurl=http://vault.centos.org/6.10/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=1
metadata_expire=never

[C6.10-contrib]
name=CentOS-6.10 - Contrib
baseurl=http://vault.centos.org/6.10/contrib/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0
metadata_expire=never

[C6.10-centosplus]
name=CentOS-6.10 - CentOSPlus
baseurl=http://vault.centos.org/6.10/centosplus/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-6
enabled=0
metadata_expire=never
EOF

Now you can run yum upgrade without problems. This also allows you to get to the latest release 6.10 even if you were left behind at, e.g. 6.7.

Not only yum upgrade works, but you can also install arbitrary packages as usual.

Fixing EPEL repository

curl https://www.getpagespeed.com/files/centos6-epel-eol.repo --output /etc/yum.repos.d/epel.repo

Fixing SCLO repositories

The repositories containing newer compilation software like gcc is available via Software Collections.
However, its repositories are likewise gone. Use Vault repositories instead:

yum -y install centos-release-scl
curl https://www.getpagespeed.com/files/centos6-scl-eol.repo --output /etc/yum.repos.d/CentOS-SCLo-scl.repo
curl https://www.getpagespeed.com/files/centos6-scl-rh-eol.repo --output /etc/yum.repos.d/CentOS-SCLo-scl-rh.repo

标签:after,repository,CentOS,fix,6.10,repo,etc,yum
来源: https://www.cnblogs.com/lkj371/p/15352342.html

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