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报错现象:
[root@ods ~]# yum install chrony
Loaded plugins: fastestmirror
Determining fastest mirrors
file:///mnt/repodata/repomd.xml: [Errno 14] curl#37 - "Couldn't open file /mnt/repodata/repomd.xml"
Trying other mirror.
Resolving Dependencies
--> Running transaction check
---> Package chrony.x86_64 0:3.2-2.el7 will be installed
--> Processing Dependency: libseccomp.so.2()(64bit) for package: chrony-3.2-2.el7.x86_64
--> Running transaction check
---> Package libseccomp.x86_64 0:2.3.1-3.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
====================================================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================================================
Installing:
chrony x86_64 3.2-2.el7 base 243 k
Installing for dependencies:
libseccomp x86_64 2.3.1-3.el7 base 56 k
Transaction Summary
====================================================================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 299 k
Installed size: 773 k
Is this ok [y/d/N]: y
Downloading packages:
Error downloading packages:
libseccomp-2.3.1-3.el7.x86_64: [Errno 256] No more mirrors to try.
chrony-3.2-2.el7.x86_64: [Errno 256] No more mirrors to try.
方法一:
yum clean all '清空yum缓存
'yum list '重新加载'
如果还是无法安装,建议使用方法二
方法二:
挂载iso
[root@ods ~]# mount -o loop /home/oracle/dbcheck/rhel-server-7.6-x86_64-dvd.iso /mnt
mount: /dev/loop0 is write-protected, mounting read-only
[root@ods ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/centos-root 100G 7.0G 93G 7% /
devtmpfs 63G 0 63G 0% /dev
tmpfs 63G 0 63G 0% /dev/shm
tmpfs 63G 4.0G 59G 7% /run
tmpfs 63G 0 63G 0% /sys/fs/cgroup
/dev/sda2 1014M 145M 870M 15% /boot
/dev/mapper/data-data 2.5T 1.7T 666G 72% /oradata
/dev/mapper/centos-u01 82G 36G 42G 46% /u01
tmpfs 13G 0 13G 0% /run/user/0
tmpfs 13G 0 13G 0% /run/user/1000
/dev/loop0 4.2G 4.2G 0 100% /mnt
[root@ods ~]# cd /etc/yum.repos.d/
[root@ods yum.repos.d]# ll
total 4
drwxr-xr-x. 2 root root 187 Jun 27 09:30 back
-rw-r--r-- 1 root root 590 Jun 29 16:08 CentOS-Base.repo
[root@ods yum.repos.d]# more 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-$releasever - Base
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os&infra=$infra
baseurl=file:///mnt
gpgcheck=0
enabled=1
[root@ods yum.repos.d]# mv CentOS-Base.repo CentOS-Base.repo.bak
[root@ods yum.repos.d]# ll
total 8
drwxr-xr-x. 2 root root 187 Jun 27 09:30 back
-rw-r--r-- 1 root root 590 Jun 29 16:08 CentOS-Base.repo.bak
重新编辑repo文件[root@ods yum.repos.d]# vi mnt.repo
[mnt]
name=added from: file:///mnt
baseurl=file:///mnt
enabled=1
gpgcheck=0
~
再清空缓存后,建立缓存
[root@ods yum.repos.d]# yum clean all
Loaded plugins: fastestmirror
Cleaning repos: mnt
Cleaning up list of fastest mirrors
Other repos take up 18 M of disk space (use --verbose for details)
[root@ods yum.repos.d]# yum makecache
Loaded plugins: fastestmirror
Determining fastest mirrors
mnt | 4.3 kB 00:00:00
(1/4): mnt/group_gz | 146 kB 00:00:00
(2/4): mnt/primary_db | 4.2 MB 00:00:00
(3/4): mnt/filelists_db | 3.4 MB 00:00:00
(4/4): mnt/other_db | 1.6 MB 00:00:00
Metadata Cache Created
再次安装成功:
[root@ods ~]# yum install chrony
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package chrony.x86_64 0:3.2-2.el7 will be installed
--> Processing Dependency: libseccomp.so.2()(64bit) for package: chrony-3.2-2.el7.x86_64
--> Running transaction check
---> Package libseccomp.x86_64 0:2.3.1-3.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
====================================================================================================================================================================================================
Package Arch Version Repository Size
====================================================================================================================================================================================================
Installing:
chrony x86_64 3.2-2.el7 mnt 243 k
Installing for dependencies:
libseccomp x86_64 2.3.1-3.el7 mnt 56 k
Transaction Summary
====================================================================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 299 k
Installed size: 773 k
Is this ok [y/d/N]: y
Downloading packages:
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Total 42 MB/s | 299 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : libseccomp-2.3.1-3.el7.x86_64 1/2
Installing : chrony-3.2-2.el7.x86_64 2/2
Verifying : libseccomp-2.3.1-3.el7.x86_64 1/2
Verifying : chrony-3.2-2.el7.x86_64 2/2
Installed:
chrony.x86_64 0:3.2-2.el7
Dependency Installed:
libseccomp.x86_64 0:2.3.1-3.el7
Complete!
[root@ods ~]# rpm -qa | grep chrony
chrony-3.2-2.el7.x86_64
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