linux输入yum后提示： -bash: /usr/bin/yum: No such file or directory的解决方法

linux输入yum后提示： -bash: /usr/bin/yum: No such file or directory的解决方案

今天在安装程序时，发现有一个插件未安装，我就随手敲了一个命令,看都没看

yum remove yum然后就杯具了…

[root@localhost ~]# yum

-bash: /usr/bin/yum: No such file or directory 这个粗心的手误倒不至于让整个系统瘫痪，yum 却无法使用了。于是，我试着折腾了一番

rpm -ivh –nodeps http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-fastestmirror-1.1.16-14.el5.centos.1.noarch.rpm

rpm -ivh –nodeps http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-metadata-parser-1.1.2-3.el5.centos.x86_64.rpm

rpm -ivh –nodeps http://mirrors.163.com/centos/5/os/x86_64/CentOS/yum-3.2.22-26.el5.centos.noarch.rpm关于rpm –nodeps的解释

–nodeps             don’t verify package dependencies 接下来，再次尝试输入yum,结果再次出现莫名错误

[root@localhost ~]# yum

There was a problem importing one of the Python modules

required to run yum. The error leading to this problem was:

libxml2.so.2: cannot open shared object file: No such file or directory

Please install a package which provides this module, or

verify that the module is installed correctly.

It’s possible that the above module doesn’t match the

current version of Python, which is:

2.4.3 (#1, Nov 11 2022, 13:30:19)

[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)]

If you cannot solve this problem yourself, please go to

the yum faq at:

http://wik1.linux.duke.edu/YumFaq因为yum调用的是python,运行 Python，试下是否可行

[root@localhost~]# python

Python 2.4.3 (#1, Nov 11 2022, 13:30:19)

[GCC 4.1.2 20080704 (Red Hat 4.1.2-48)] on linux2

Type “help”, “copyright”, “credits” or “license” for more information.

>>> import yum

Traceback (most recent call last):

  File “<stdin>”, line 1, in ?

  File “/usr/lib/python2.4/site-packages/yum/__init__.py”, line 54, in ?

   import transactioninfo

  File “/usr/lib/python2.4/site-packages/yum/transactioninfo.py”, line 31, in ?

   from sqlitesack import YumAvailablePackageSqlite

  File “/usr/lib/python2.4/site-packages/yum/sqlitesack.py”, line 26, in ?

   import yumRepo

  File “/usr/lib/python2.4/site-packages/yum/yumRepo.py”, line 32, in ?

   import sqlitecachec

  File “/usr/lib64/python2.4/site-packages/sqlitecachec.py”, line 19, in ?

   import _sqlitecache

ImportError: libxml2.so.2: cannot open shared object file: No such file or directory

>>>提示缺少libxml2.so.2，安装一下试试

rpm -ivh http://mirrors.163.com/centos/5/os/x86_64/CentOS/libxml2-2.6.26-2.1.2.8.x86_64.rpm

再次测试运行下yum命令，结果正常了，大喜

[root@localhost ~]# yum

Loaded plugins: fastestmirror

You need to give some command

usage: yum [options] COMMAND

List of Commands:

check-update  Check for available package updates

clean     Remove cached data

deplist    List a package’s dependencies

downgrade   downgrade a package

erase     Remove a package or packages from your system

groupinfo   Display details about a package group

groupinstall  Install the packages in a group on your system

grouplist   List available package groups

groupremove  Remove the packages in a group from your system

help      Display a helpful usage message

info      Display details about a package or group of packages

install    Install a package or packages on your system

list      List a package or groups of packages

localinstall  Install a local RPM

makecache   Generate the metadata cache

provides    Find what package provides the given value

reinstall   reinstall a package

repolist    Display the configured software repositories

resolvedep   Determine which package provides the given dependency

search     Search package details for the given string

shell     Run an interactive yum shell

update     Update a package or packages on your system

upgrade    Update packages taking obsoletes into account

options:

  -h, –help      show this help message and exit

  -t, –tolerant    be tolerant of errors

  -C          run entirely from cache, don’t update cache

  -c [config file]   config file location

  -R [minutes]     maximum command wait time

  -d [debug level]   debugging output level

  –showduplicates   show duplicates, in repos, in list/search commands

  -e [error level]   error output level

  -q, –quiet      quiet operation

  -v, –verbose     verbose operation

  -y          answer yes for all questions

  –version       show Yum version and exit

  –installroot=[path] set install root

  –enablerepo=[repo]  enable one or more repositories (wildcards allowed)

  –disablerepo=[repo] disable one or more repositories (wildcards allowed)

  -x [package], –exclude=[package]

             exclude package(s) by name or glob

  –disableexcludes=[repo]

             disable exclude from main, for a repo or for

             everything

  –obsoletes      enable obsoletes processing during updates

  –noplugins      disable Yum plugins

  –nogpgcheck     disable gpg signature checking

  –disableplugin=[plugin]

             disable plugins by name

  –enableplugin=[plugin]

             enable plugins by name

  –skip-broken     skip packages with depsolving problems

  –color=COLOR     control whether color is used

  Plugin Options:最后，赶紧更新一下系统吧

yum update好了 这样yum问题就完全解决了！大家可以尝试下，感谢你对共生网络的支持。