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ディストリビューターによるサポートがなくなったせいか、yum updateで正常にupdateできなくなっている。
確かにいつも使っていたリポジトリ先でパッケージが消えている。
これでは厳しいので対処してみた
[root@centos7 ~]# vi /etc/yum.repos.d/CentOS-Base.repo
[base]
name=CentOS-$releasever - Base
baseurl=http://vault.centos.org/7.9.2009/os/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates
baseurl=http://vault.centos.org/7.9.2009/updates/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras
baseurl=http://vault.centos.org/7.9.2009/extras/$basearch/
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus
baseurl=http://vault.centos.org/7.9.2009/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
[root@centos7 ~]#この後で
[root@centos7 ~]# yum cleanで利用可能になります
あと標準より最新のgccを使うために devtoolset を使うと思う. こちらの参照先を変更する必要があって下記になります
[root@centos7 ~]# yum install centos-release-scl-rh
[root@centos7 ~]# cat /etc/yum.repos.d/CentOS-SCLo-scl-rh.repo
# CentOS-SCLo-rh.repo
#
# Please see http://wiki.centos.org/SpecialInterestGroup/SCLo for more
# information
[centos-sclo-rh]
name=CentOS-7 - SCLo rh
baseurl=https://vault.centos.org/7.9.2009/sclo/$basearch/rh/
gpgcheck=1
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
[centos-sclo-rh-testing]
name=CentOS-7 - SCLo rh Testing
baseurl=https://vault.centos.org/7.9.2009/sclo/$basearch/rh/
gpgcheck=0
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
[centos-sclo-rh-source]
name=CentOS-7 - SCLo rh Sources
baseurl=https://vault.centos.org/7.9.2009/sclo/Source/rh/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
[centos-sclo-rh-debuginfo]
name=CentOS-7 - SCLo rh Debuginfo
baseurl=https://vault.centos.org/7.9.2009/sclo/$basearch/
gpgcheck=1
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-SIG-SCLo
[root@centos7 ~]#っで使ってみると
[root@centos7 ~]# yum install devtoolset-11 -y
[root@centos7 ~]# source scl_source enable devtoolset-11
[root@centos7 ~]# gcc --version
gcc (GCC) 11.2.1 20220127 (Red Hat 11.2.1-9)
Copyright (C) 2021 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
[root@centos7 ~]#
