yum

1.修改yum源为aliyun

https://blog.csdn.net/hnmpf/article/details/81240177

https://blog.csdn.net/ltx06/article/details/78030056

注意wget 阿里云的源时要根据centos的版本下载

Installed:
  kernel.x86_64 0:3.10.0-1062.9.1.el7                                                                                                                             

Updated:
  NetworkManager.x86_64 1:1.18.0-5.el7_7.1                 NetworkManager-libnm.x86_64 1:1.18.0-5.el7_7.1      NetworkManager-team.x86_64 1:1.18.0-5.el7_7.1     
  NetworkManager-tui.x86_64 1:1.18.0-5.el7_7.1             NetworkManager-wifi.x86_64 1:1.18.0-5.el7_7.1       binutils.x86_64 0:2.27-41.base.el7_7.1            
  ca-certificates.noarch 0:2019.2.32-76.el7_7              curl.x86_64 0:7.29.0-54.el7_7.1                     device-mapper.x86_64 7:1.02.158-2.el7_7.2         
  device-mapper-libs.x86_64 7:1.02.158-2.el7_7.2           firewalld.noarch 0:0.6.3-2.el7_7.2                  firewalld-filesystem.noarch 0:0.6.3-2.el7_7.2     
  hostname.x86_64 0:3.13-3.el7_7.1                         iproute.x86_64 0:4.11.0-25.el7_7.2                  kernel-tools.x86_64 0:3.10.0-1062.9.1.el7         
  kernel-tools-libs.x86_64 0:3.10.0-1062.9.1.el7           krb5-libs.x86_64 0:1.15.1-37.el7_7.2                libblkid.x86_64 0:2.23.2-61.el7_7.1               
  libcurl.x86_64 0:7.29.0-54.el7_7.1                       libmount.x86_64 0:2.23.2-61.el7_7.1                 libsmartcols.x86_64 0:2.23.2-61.el7_7.1           
  libuuid.x86_64 0:2.23.2-61.el7_7.1                       microcode_ctl.x86_64 2:2.1-53.7.el7_7               nss.x86_64 0:3.44.0-7.el7_7                       
  nss-softokn.x86_64 0:3.44.0-8.el7_7                      nss-softokn-freebl.x86_64 0:3.44.0-8.el7_7          nss-sysinit.x86_64 0:3.44.0-7.el7_7               
  nss-tools.x86_64 0:3.44.0-7.el7_7                        nss-util.x86_64 0:3.44.0-4.el7_7                    numactl-libs.x86_64 0:2.0.12-3.el7_7.1            
  polkit.x86_64 0:0.112-22.el7_7.1                         procps-ng.x86_64 0:3.3.10-26.el7_7.1                python-firewall.noarch 0:0.6.3-2.el7_7.2          
  python-perf.x86_64 0:3.10.0-1062.9.1.el7                 rsyslog.x86_64 0:8.24.0-41.el7_7.2                  selinux-policy.noarch 0:3.13.1-252.el7_7.6        
  selinux-policy-targeted.noarch 0:3.13.1-252.el7_7.6      sqlite.x86_64 0:3.7.17-8.el7_7.1                    sudo.x86_64 0:1.8.23-4.el7_7.1                    
  systemd.x86_64 0:219-67.el7_7.2                          systemd-libs.x86_64 0:219-67.el7_7.2                systemd-sysv.x86_64 0:219-67.el7_7.2              
  tuned.noarch 0:2.11.0-5.el7_7.1                          tzdata.noarch 0:2019c-1.el7                         util-linux.x86_64 0:2.23.2-61.el7_7.1             

Complete!

来源：CSDN

作者：zdkdchao

链接：https://blog.csdn.net/qq_34224565/article/details/104122356