centos

  1. cd /etc/yum.repos.d/
  2. cp CentOS-Base.repo CentOS-Base.repo.bak
  4. yum clean all #删除缓存
  6. yum list ##更新源
  8. yum makecache  #

centos8

  1. CentOS-Base.repo
  4. # CentOS-Base.repo
  5. #
  6. # The mirror system uses the connecting IP address of the client and the
  7. # update status of each mirror to pick mirrors that are updated to and
  8. # geographically close to the client.  You should use this for CentOS updates
  9. # unless you are manually picking other mirrors.
  10. #
  11. # If the mirrorlist= does not work for you, as a fall back you can try the 
  12. # remarked out baseurl= line instead.
  13. #
  14. #
  16. [base]
  17. name=CentOS-$releasever - Base - mirrors.aliyun.com
  18. failovermethod=priority
  19. baseurl=http://mirrors.aliyun.com/centos/$releasever/os/$basearch/
  20.         http://mirrors.aliyuncs.com/centos/$releasever/os/$basearch/
  21.         http://mirrors.cloud.aliyuncs.com/centos/$releasever/os/$basearch/
  22. gpgcheck=1
  23. gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
  25. #released updates 
  26. [updates]
  27. name=CentOS-$releasever - Updates - mirrors.aliyun.com
  28. failovermethod=priority
  29. baseurl=http://mirrors.aliyun.com/centos/$releasever/updates/$basearch/
  30.         http://mirrors.aliyuncs.com/centos/$releasever/updates/$basearch/
  31.         http://mirrors.cloud.aliyuncs.com/centos/$releasever/updates/$basearch/
  32. gpgcheck=1
  33. gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
  35. #additional packages that may be useful
  36. [extras]
  37. name=CentOS-$releasever - Extras - mirrors.aliyun.com
  38. failovermethod=priority
  39. baseurl=http://mirrors.aliyun.com/centos/$releasever/extras/$basearch/
  40.         http://mirrors.aliyuncs.com/centos/$releasever/extras/$basearch/
  41.         http://mirrors.cloud.aliyuncs.com/centos/$releasever/extras/$basearch/
  42. gpgcheck=1
  43. gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
  45. #additional packages that extend functionality of existing packages
  46. [centosplus]
  47. name=CentOS-$releasever - Plus - mirrors.aliyun.com
  48. failovermethod=priority
  49. baseurl=http://mirrors.aliyun.com/centos/$releasever/centosplus/$basearch/
  50.         http://mirrors.aliyuncs.com/centos/$releasever/centosplus/$basearch/
  51.         http://mirrors.cloud.aliyuncs.com/centos/$releasever/centosplus/$basearch/
  52. gpgcheck=1
  53. enabled=0
  54. gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
  56. #contrib - packages by Centos Users
  57. [contrib]
  58. name=CentOS-$releasever - Contrib - mirrors.aliyun.com
  59. failovermethod=priority
  60. baseurl=http://mirrors.aliyun.com/centos/$releasever/contrib/$basearch/
  61.         http://mirrors.aliyuncs.com/centos/$releasever/contrib/$basearch/
  62.         http://mirrors.cloud.aliyuncs.com/centos/$releasever/contrib/$basearch/
  63. gpgcheck=1
  64. enabled=0
  65. gpgkey=http://mirrors.aliyun.com/centos/RPM-GPG-KEY-CentOS-7
  71. CentOS-AppStream.repo
  73. #[AppStream]
  74. #name=CentOS-$releasever - AppStream
  75. #mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=AppStream&infra=$infra
  76. #baseurl=http://mirror.centos.org/$contentdir/$releasever/AppStream/$basearch/os/
  77. #mirrorlist=http://mirror.centos.org/$contentdir/$releasever/AppStream/$basearch/os/
  78. #gpgcheck=1
  79. #enabled=1
  80. #pgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-centosofficial
  82. [AppStream]
  83. name=Qcloud centos AppStream - $basearch
  84. baseurl=http://mirrors.cloud.tencent.com/centos/$releasever/AppStream/$basearch/os/
  85. enabled=0
  86. gpgcheck=1
  87. gpgkey=http://mirrors.cloud.tencent.com/centos/RPM-GPG-KEY-CentOS-Official