1. Enter yum.repo.d
[root@linux ~]# cd /etc/yum.repos.d/ [root@linux yum.repos.d]#
2. Backup the original yum source
[root@linux yum.repos.d]# mkdir yum_back [root@linux yum.repos.d]# mv CentOS-* yum_back/ [root@linux yum.repos.d]# ls yum_back
3. Replace yum source with Ali source
[root@linux yum.repos.d]# cat CentOS-Base.repo # CentOS-Base.repo # # The mirror system uses the connecting IP address of the client and the # update status of each mirror to pick mirrors that are updated to and # geographically close to the client. You should use this for CentOS updates # unless you are manually picking other mirrors. # # If the mirrorlist= does not work for you, as a fall back you can try the # remarked out baseurl= line instead. # # [base] name=CentOS-$releasever-Base baseurl=https://mirrors.aliyun.com/centos-altarch/$releasever/os/$basearch/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 #released updates [updates] name=CentOS-$releasever-Updates baseurl=https://mirrors.aliyun.com/centos-altarch/$releasever/updates/$basearch/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 #additional packages that may be useful [extras] name=CentOS-$releasever-Extras baseurl=https://mirrors.aliyun.com/centos-altarch/$releasever/extras/$basearch/ gpgcheck=1 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7 enabled=1 #additional packages that extend functionality of existing packages [centosplus] name=CentOS-$releasever-Plus baseurl=https://mirrors.aliyun.com/centos-altarch/$releasever/centosplus/$basearch/ gpgcheck=1 enabled=0 gpgkey=https://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
[root@linux yum.repos.d]# cat epel.repo [epel] name=Extra Packages for Enterprise Linux 7 - $basearch #baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch baseurl=https://mirrors.tuna.tsinghua.edu.cn/epel/7/$basearch #metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-7&arch=$basearch failovermethod=priority enabled=1 gpgcheck=1 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 [epel-debuginfo] name=Extra Packages for Enterprise Linux 7 - $basearch - Debug #baseurl=http://download.fedoraproject.org/pub/epel/7/$basearch/debug baseurl=https://mirrors.tuna.tsinghua.edu.cn/epel/7/$basearch/debug #metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-debug-7&arch=$basearch failovermethod=priority enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 gpgcheck=1 [epel-source] name=Extra Packages for Enterprise Linux 7 - $basearch - Source #baseurl=http://download.fedoraproject.org/pub/epel/7/SRPMS baseurl=https://mirrors.tuna.tsinghua.edu.cn/epel/7/SRPMS #metalink=https://mirrors.fedoraproject.org/metalink?repo=epel-source-7 &arch=$basearch failovermethod=priority enabled=0 gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-7 gpgcheck=1
4. Replace the authentication key
[root@linux yum.repos.d]# cd /etc/pki/rpm-gpg/ [root@linux rpm-gpg]# ls RPM-GPG-KEY-CentOS-7 RPM-GPG-KEY-CentOS-7-aarch64
[root@linux rpm-gpg]# cat RPM-GPG-KEY-CentOS-7 -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v1.4.5 (GNU/Linux) mQINBFOn/0sBEADLDyZ + DQHkcTHDQSE0a0B2iYAEXwpPvs67cJ4tmhe/iMOyVMh9 Yw/vBIF8scm6T/vPN5fopsKiW9UsAhGKg0epC6y5ed + NAUHTEa6pSOdo7CyFDwtn 4HF61Esyb4gzPT6QiSr0zvdTtgYBRZjAEPFVu3Dio0oZ5UQZ7fzdZfeixMQ8VMTQ 4y4x5vik9B+cqmGiq9AW71ixlDYVWasgR093fXiD9NLT4DTtK+KLGYNjJ8eMRqfZ Ws7g7C + 9aEGHfsGZ/SxLOumx/GfiTloal0dnq8TC7XQ/JuNdB9qjoXzRF + faDUsj WuvNSQEqUXW1dzJjBvroEvgTdfCJfRpIgOrc256qvDMp1SxchMFltPlo5mbSMKu1 x1p4UkAzx543meMlRXOgx2/hnBm6H6L0FsSyDS6P224yF + 30eeODD4Ju4BCyQ0jO IpUxmUnApo/m0eRelI6TRl7jK6aGqSYUNhFBuFxSPKgKYBpFhVzRM63Jsvib82rY 438q3sIOUdxZY6pvMOWRkdUVoz7WBExTdx5NtGX4kdW5QtcQHM + 2kht6sBnJsvcB JYcYIwAUeA5vdRfwLKuZn6SgAUKdgeOtuf + cPR3/E68LZr784SlokiHLtQkfk98j NXm6fJjXwJvwiM2IiFyg8aUwEEDX5U + QOCA0wYrgUQ/h8iathvBJKSc9jQARAQAB tEJDZW50T1MtNyBLZXkgKENlbnRPUyA3IE9mZmljaWFsIFNpZ25pbmcgS2V5KSA8 c2VjdXJpdHlAY2VudG9zLm9yZz6JAjUEEwECAB8FAlOn/0sCGwMGCwkIBwMCBBUC CAMDFgIBAh4BAheAAAoJECTGqKf0qA61TN0P/2730Th8cM + d1pEON7n0F1YiyxqG QzwpC2Fhr2UIsXpi/lWTXIG6AlRvrajjFhw9HktYjlF4oMG032SnI0XPdmrN29lL F+ee1ANdyvtkw4mMu2yQweVxU7Ku4oATPBvWRv+6pCQPTOMe5xPG0ZPjPGNiJ0xw 4Ns + f5Q6Gqm927oHXpylUQEmuHKsCp3dK/kZaxJOXsmq6syY1gbrLj2Anq0iWWP4 Tq8WMktUrTcc + zQ2pFR7ovEihK0Rvhmk6/N4 + 4JwAGijfhejxwNX8T6PCuYs5Jiv hQvsI9FdIIlTP4XhFZ4N9ndnEwA4AH7tNBsmB3HEbLqUSmu2Rr8hGiT2Plc4Y9AO aliW1kOMsZFYrX39krfRk2n2NXvieQJ/lw318gSGR67uckkz2ZekbCEpj/0mnHWD 3R6V7m95R6UYqjcw + + Q5CtZ2tzmxomZTf42IGIKBbSVmIS75WY + cBULUx3PcZYHD ZqAbB0Dl4MbdEH61kOI8EbN/TLl1i077r + 9LXR1mOnlC3GLD03 + XfY8eEBQf7137 YSMiW5r/5xwQk7xEcKlbZdmUJp3ZDTQBXT06vavvp3jlkqqH9QOE8ViZZ6aKQLqv pL+4bs52jzuGwTMT7gOR5MzD+vT0fVS7Xm8MjOxvZgbHsAgzyFGlI1ggUQmU7lu3 uPNL0eRx4S1G4Jn5 =OGYX -----END PGP PUBLIC KEY BLOCK-----
[root@linux rpm-gpg]# cat RPM-GPG-KEY-CentOS-7-aarch64 -----BEGIN PGP PUBLIC KEY BLOCK----- Version: GnuPG v2.0.22 (GNU/Linux) mQENBFW3h2gBCADPM3WDbdHNnMAB0FPvVRIBjGpkpeWT5rsbMZbk35tCx7MbAhMk zcN519xw7DGVLigFd68S3W2Lrde6ioyVQ1SVSJ7z84U4uYUfSa858Dskxxy021Ip NrocTrziy773v1gCPwA5xeT89bgzsMVMzCSy0U7TeqMDhN2urEMG5CCEpy0K9XZv bpUexhn7TbP10g5BzC9igd498QcW/69Oz5OK7WcZOtqmGn78pGBCH2ly + IqIV6ZS 9yXC6jOmOnA8fM0gKJAelhQALd77cULMSGbu96ReG3BEFlgWQjbtZG3L5BvMVInw MkUQEntHvjp6oHtPiIAc3VtLq0IxWVygFHNRABEBAAG0cENlbnRPUyBBbHRBcmNo IFNJRyAtIEFBcmNoNjQgKGh0dHA6Ly93aWtpLmNlbnRvcy5vcmcvU3BlY2lhbElu dGVyZXN0R3JvdXAvQWx0QXJjaC9BQXJjaDY0KSA8c2VjdXJpdHlAY2VudG9zLm9y Zz6JATkEEwECACMFAlW3h2gCGwMHCwkIBwMCAQYVCAIJCgsEFgIDAQIeAQIXgAAK CRBsfLbvMF1J1pSFCACQbLvjwCFdgr0DpVJZ0o50Dcl8jYzZtd/NZOBNYXi/TQza c6DFhiAj72zkgOGb + xznUXJJIiOLCgyJBUdJQSRx/EfVb9ftd4kSOA/wErOhDV71 Hyww9M/gz82SjHF9qq8ofDto6ZfJMfiLX4aZwR39jZzS5Gm + bH5FfgxlwG0V88fu aKlzsn3p975uD659tSKae4xLysxkBG6oDaXvnWI2/UGC724gN + R3aKe9kI0wk8wA h5Qzf7 + jRk0qb859rryno1rBpuzxJcwg5qvN2PXG3xDFOHG + 3LX3mV3UnVAqCjHO zyGnzAAiNfBwgMyu6bu4lXd4hbZKy73RwnouQkuA =qiwp -----END PGP PUBLIC KEY BLOCK-----
5. Run yum to generate cache
[root@linux ~]# yum makecache [root@linux ~]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7-aarch64 [root@linux ~]# rpm --import /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
6. Verify
[root@linux yum.repos.d]# yum -y install gcc-c++ Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile Resolving Dependencies --> Running transaction check ---> Package gcc-c++ .aarch64 0:4.8.5-44.el7 will be installed --> Processing Dependency: libstdc++ -devel = 4.8.5-44.el7 for package: gcc-c++ -4.8.5-44.el7.aarch64 --> Processing Dependency: gcc = 4.8.5-44.el7 for package: gcc-c++-4.8.5-44.el7.aarch64 --> Processing Dependency: libmpfr.so.4()(64bit) for package: gcc-c++-4.8.5-44.el7.aarch64 --> Processing Dependency: libmpc.so.3()(64bit) for package: gcc-c++-4.8.5-44.el7.aarch64 ?… ?… ?… Installed: gcc-c++.aarch64 0:4.8.5-44.el7 Dependency Installed: cpp.aarch64 0:4.8.5-44.el7 gcc.aarch64 0:4.8.5-44.el7 glibc-devel.aarch64 0:2.17-326.el7_9 glibc-headers.aarch64 0:2.17-326.el7_9 kernel-headers.aarch64 0:4.18.0-348.20.1.el7 libmpc.aarch64 0:1.0.1-3.el7 libstdc++-devel.aarch64 0:4.8.5-44.el7 mpfr.aarch64 0:3.1.1-4.el7 Dependency Updated: glibc.aarch64 0:2.17-326.el7_9 glibc-common.aarch64 0:2.17-326.el7_9 Complete!