LINUX在卸载elfutils-libelf导致rpm工具不可用该怎么办

LINUX在卸载elfutils-libelf导致rpm工具不可用该怎么办，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。

    2021年4月24日，一新手练习mysql数据库安装其中有一步骤需要安装 elfutils-libelf-devel-0.164-2.el6.x86_64.rpm elfutils-libelf-0.164-2.el6.x86_64.rpm包，在安装过程中报错版本冲突：
[root@centos ~]# rpm -ivh elfutils-libelf-devel-0.164-2.el6.x86_64.rpm elfutils-libelf-0.164-2.el6.x86_64.rpm 
Preparing…                ########################################### [100%]
file /usr/lib64/libelf.so.1 from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/de/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/en@boldquot/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/en@quot/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/es/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/ja/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/pl/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
file /usr/share/locale/uk/LC_MESSAGES/elfutils.mo from install of elfutils-libelf-0.164-2.el6.x86_64 conflicts with file from package elfutils-libelf-0.152-1.el6.x86_64
[root@centos ~]#
    然后他就卸载了本地低版本的elfutils-libelf：
[root@centos ~]# rpm -e –nodeps elfutils-libelf
    接着，再执行 rpm -ivh elfutils-libelf-devel-0.164-2.el6.x86_64.rpm elfutils-libelf-0.164-2.el6.x86_64.rpm 报错：
[root@centos ~]# rpm -ivh elfutils-libelf-devel-0.164-2.el6.x86_64.rpm elfutils-libelf-0.164-2.el6.x86_64.rpm 
rpm: error while loading shared libraries: libelf.so.1: cannot open shared object file: No such file or directory

    这时，rpm已经被破坏缺失libelf.so.1而不能用。
    要修复rpm包也很简单，从别的机器上赋值 libelf.so.1放在/usr/lib64/下（我是从rhel5的机器上复制过来的）：

[root@centos ~]# cp libelf.so.1 /usr/lib64/
    再执行rpm命令有如下输出表示rpm工具已经修复：
[root@centos ~]# rpm 
RPM version 4.8.0
Copyright (C) 1998-2002 – Red Hat, Inc.
This program may be freely redistributed under the terms of the GNU GPL
Usage: rpm [-aKfgpWHqVcdilsKiv?] [-a|–all] [-f|–file] [-g|–group] [-p|–package] [-W|–ftswalk] [–pkgid] [–hdrid] [–fileid] [–specfile] [–triggeredby]
        [–whatrequires] [–whatprovides] [–nomanifest] [-c|–configfiles] [-d|–docfiles] [–dump] [-l|–list] [–queryformat=QUERYFORMAT] [-s|–state]
        [–nofiledigest] [–nomd5] [–nofiles] [–nodeps] [–noscript] [–comfollow] [–logical] [–nochdir] [–nostat] [–physical] [–seedot] [–xdev]
        [–whiteout] [–addsign] [-K|–checksig] [–delsign] [–import] [–resign] [–nodigest] [–nosignature] [–initdb] [–rebuilddb] [–aid] [–allfiles]
        [–allmatches] [–badreloc] [-e|–erase <package>+] [–excludedocs] [–excludepath=<path>] [–fileconflicts] [–force] [-F|–freshen <packagefile>+]
        [-h|–hash] [–ignorearch] [–ignoreos] [–ignoresize] [-i|–install] [–justdb] [–nodeps] [–nofiledigest] [–nomd5] [–nocontexts] [–noorder]
        [–nosuggest] [–noscripts] [–notriggers] [–oldpackage] [–percent] [–prefix=<dir>] [–relocate=<old>=<new>] [–replacefiles] [–replacepkgs]
        [–test] [-U|–upgrade <packagefile>+] [–quiet] [-D|–define 'MACRO EXPR'] [-E|–eval 'EXPR'] [–macros=<FILE:…>] [–nodigest] [–nosignature]
        [–rcfile=<FILE:…>] [-r|–root ROOT] [–querytags] [–showrc] [–quiet] [-v|–verbose] [–version] [-?|–help] [–usage] [–scripts] [–setperms]
        [–setugids] [–conflicts] [–obsoletes] [–provides] [–requires] [–info] [–changelog] [–xml] [–triggers] [–last] [–dupes] [–filesbypkg]
        [–fileclass] [–filecolor] [–fscontext] [–fileprovide] [–filerequire] [–filecaps]
[root@centos ~]#
LINUX rpm -e –nodeps危险，一定要慎用，否则主机内核被破坏。

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