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Repodata is over 2 weeks old. Install yum-cron? Or run: yum

发布时间：2020-12-15 23:11:28 所属栏目：安全 来源：网络整理
导读：1、事件描述：CentOS7下使用tree命令，发现该命令没有被安装，在安装的过程中发现yum报错 1 2 3 4 5 [[email?protected]?~] #?tree?-d bash :?tree:?未找到命令... [[email?protected]?~] #?yum?-y?install?tree 已加载插件：fastestmirror,?langpacks Repod

1、事件描述：CentOS7下使用tree命令，发现该命令没有被安装，在安装的过程中发现yum报错

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[[email?protected]?~] #?tree?-d
bash :?tree:?未找到命令...
[[email?protected]?~] #?yum?-y?install?tree
已加载插件：fastestmirror,?langpacks
Repodata?is?over?2?weeks?old.?Install?yum- cron ??Or?run:?yum?makecache?fast

2、处理过程

a、直接执行yum makecache fast

[[email?protected] ~]# yum makecache fast

已加载插件：fastestmirror,langpacks

Repodata is over 2 weeks old. Install yum-cron? Or run: yum makecache fast

备注：根据它的提示信息执行操作，发现提示信息依旧

?

b、清除yum缓存

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[[email?protected]?~] #?yum?clean?all
已加载插件：fastestmirror,?langpacks
Repodata?is?over?2?weeks?old.?Install?yum- cron ??Or?run:?yum?makecache?fast
正在清理软件源：?base?centos-ceph-hammer?centos-openstack-mitaka?centos-qemu-ev?extras?updates
Cleaning?up?everything
Cleaning?up?list?of?fastest?mirrors
[5]-??已杀死???????????????yum?update
[[email?protected]?~] #?yum?makecache
已加载插件：fastestmirror,?langpacks
Could?not?retrieve?mirrorlist?http: //mirrorlist .centos.org/?release=7&arch=x86_64&repo=os&infra=stock?error?was
14:?curl #6?-?"Could?not?resolve?host:?mirrorlist.centos.org;?未知的错误"
? One?of?the?configured?repositories?failed?(未知),
? and?yum?doesn‘t?have?enough?cached?data?to? continue .?At?this?point?the?only
? safe?thing?yum?can? do? is?fail.?There?are?a?few?ways?to?work? "fix"? this:
????? 1.?Contact?the?upstream? for? the?repository?and?get?them?to?fix?the?problem.
????? 2.?Reconfigure?the?baseurl /etc .? for? the?repository,?to?point?to?a?working
???????? upstream.?This?is?most?often?useful? if? you?are?using?a?newer
???????? distribution?release?than?is?supported?by?the?repository?(and?the
???????? packages? for? the?previous?distribution?release?still?work).
????? 3.?Disable?the?repository,?so?yum?won‘t?use?it?by?default.?Yum?will? then
???????? just?ignore?the?repository? until? you?permanently? enable? it?again?or?use
???????? --enablerepo? for? temporary?usage:
???????????? yum-config-manager?--disable?<repoid>
????? 4.?Configure?the?failing?repository?to?be?skipped,? if? it?is?unavailable.
???????? Note?that?yum?will?try?to?contact?the?repo.?when?it?runs?most?commands,
???????? so?will?have?to?try?and?fail?each? time? (and?thus.?yum?will?be?be?much
???????? slower).?If?it?is?a?very?temporary?problem?though,?this?is?often?a? nice
???????? compromise:
???????????? yum-config-manager?--save?--setopt=<repoid>.skip_if_unavailable= true
Cannot? find? a?valid?baseurl? for? repo:?base /7/x86_64

这时候我开始怀疑是不是我的yum所在的网络也存在问题

?

c、检测网络连通性状态，发现的确是网络存在问题

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检查了网卡配置，发现DNS配置存在一些问题，手动修改并重置网卡信息，网络恢复正常
[[email?protected]?~] #?yum?clean?all
已加载插件：fastestmirror,?langpacks
正在清理软件源：?base?centos-ceph-hammer?centos-openstack-mitaka?centos-qemu-ev?extras?updates
Cleaning?up?everything
[[email?protected]?~] #?yum?-y?install?tree
已加载插件：fastestmirror,?langpacks
base?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????|?3.6?kB??00:00:00?????
centos-ceph-hammer???????????????????????????????????????????????????????????????????????????????????????????????????????????|?2.9?kB??00:00:00?????
centos-openstack-mitaka??????????????????????????????????????????????????????????????????????????????????????????????????????|?2.9?kB??00:00:00?????
centos-qemu-ev???????????????????????????????????????????????????????????????????????????????????????????????????????????????|?2.9?kB??00:00:00?????
extras???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????|?3.4?kB??00:00:00?????
updates??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????|?3.4?kB??00:00:00?????
(1 /7 ):?centos-ceph-hammer /7/x86_64/primary_db???????????????????????????????????????????????????????????????????????????????? |??30?kB??00:00:01?????
(2 /7 ):?extras /7/x86_64/primary_db???????????????????????????????????????????????????????????????????????????????????????????? |?132?kB??00:00:00?????
(3 /7 ):?updates /7/x86_64/primary_db??????????????????????????????????????????????????????????????????????????????????????????? |?4.9?MB??00:00:01?????
(4 /7 ):?centos-openstack-mitaka /x86_64/primary_db????????????????????????????????????????????????????????????????????????????? |?452?kB??00:00:04?????
(5 /7 ):?base /7/x86_64/primary_db?????????????????????????????????????????????????????????????????????????????????????????????? |?5.3?MB??00:00:07?????
(6 /7 ):?base /7/x86_64/group_gz???????????????????????????????????????????????????????????????????????????????????????????????? |?155?kB??00:00:15?????
(7 /7 ):?centos-qemu-ev /7/x86_64/primary_db???????????????????????????????????????????????????????????????????????????????????? |??23?kB??00:00:16?????
Determining?fastest?mirrors
? *?base:?mirrors.zju.edu.cn
? *?extras:?mirrors.aliyun.com
? *?updates:?mirrors.aliyun.com
正在解决依赖关系
-->?正在检查事务
--->?软件包?tree.x86_64.0.1.6.0-10.el7?将被?安装
-->?解决依赖关系完成
依赖关系解决
====================================================================================================================================================
? Package?????????????????????????架构??????????????????????????????版本???????????????????????????????????????源???????????????????????????????大小
====================================================================================================================================================
正在安装:
? tree????????????????????????????x86_64????????????????????????????1.6.0-10.el7???????????????????????????????base?????????????????????????????46?k
事务概要
====================================================================================================================================================
安装??1?软件包
总下载量：46?k
安装大小：87?k
Downloading?packages:
tree-1.6.0-10.el7.x86_64.rpm?????????????????????????????????????????????????????????????????????????????????????????????????|??46?kB??00:00:00?????
Running?transaction?check
Running?transaction? test
Transaction? test? succeeded
Running?transaction
?? 正在安装????:?tree-1.6.0-10.el7.x86_64????????????????????????????????????????????????????????????????????????????????????????????????????????1 /1?
?? 验证中??????:?tree-1.6.0-10.el7.x86_64????????????????????????????????????????????????????????????????????????????????????????????????????????1 /1?
已安装:
?? tree.x86_64?0:1.6.0-10.el7????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????
完毕！
[[email?protected]?~] #?tree
.
├──?anaconda-ks.cfg
├──?keystonerc_admin
├──?keystonerc_demo
├──?packstack-answers-20160505-132946.txt
├──?packstack-answers-20160505-134047.txt
├──?packstack-answers-20160505-152256.txt
├──?345205254345205261
├──?346250241346235277
├──?350247206351242221
├──?345233276347211207
├──?346226207346241243
├──?344270213350275275
├──?351237263344271220
└──?346241214351235242
???? ├──?346234252345221275345220215346226207344273266345244271
???? └──?346234252345221275345220215346226207344273266345244271?2
10?directories,?6?files

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