libldap-2.4.so.2: cannot open shared object file: No such file or directory

libldap-2.4.so.2: cannot open shared object file: No such file or directory

[root@littlelawson ~]# yum install -y openldap-servers openldap-clients
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   libldap-2.4.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:
2.6.6 (r266:84292, Nov 22 2013, 12:16:22) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  http://yum.baseurl.org/wiki/Faq


[root@littlelawson ~]# wget http://ftp.pbone.net/mirror/ftp.scientificlinux.org/linux/scientific/6.4/x86_64/updates/fastbugs/openldap-2.4.23-32.el6_4.1.x86_64.rpm
--2018-07-05 11:05:26--  http://ftp.pbone.net/mirror/ftp.scientificlinux.org/linux/scientific/6.4/x86_64/updates/fastbugs/openldap-2.4.23-32.el6_4.1.x86_64.rpm
Resolving ftp.pbone.net... 93.179.225.212
Connecting to ftp.pbone.net|93.179.225.212|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 270616 (264K) [application/x-rpm]
Saving to: “openldap-2.4.23-32.el6_4.1.x86_64.rpm”

100%[===================================================>] 270,616      191K/s   in 1.4s    

2018-07-05 11:05:28 (191 KB/s) - “openldap-2.4.23-32.el6_4.1.x86_64.rpm” saved [270616/270616]

[root@littlelawson ~]# yum
There was a problem importing one of the Python modules
required to run yum. The error leading to this problem was:

   libldap-2.4.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:
2.6.6 (r266:84292, Nov 22 2013, 12:16:22) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)]

If you cannot solve this problem yourself, please go to 
the yum faq at:
  http://yum.baseurl.org/wiki/Faq


[root@littlelawson ~]#  rpm -ivh --force --nodeps openldap-2.4.23-32.el6_4.1.x86_64.rpm
warning: openldap-2.4.23-32.el6_4.1.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID 192a7d7d: NOKEY
Preparing...                ########################################### [100%]
   1:openldap               ########################################### [100%]
[root@littlelawson ~]# yum
Loaded plugins: fastestmirror
You need to give some command
Usage: yum [options] COMMAND

List of Commands:

check          Check for problems in the rpmdb
check-update   Check for available package updates
clean          Remove cached data
deplist        List a package's dependencies
distribution-synchronization Synchronize installed packages to the latest available versions
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
history        Display, or use, the transaction history
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
load-transaction load a saved transaction from filename
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
version        Display a version for the machine and/or available repos.


Options:
  -h, --help            show this help message and exit
  -t, --tolerant        be tolerant of errors
  -C, --cacheonly       run entirely from system cache, don't update cache
  -c [config file], --config=[config file]
                        config file location
  -R [minutes], --randomwait=[minutes]
                        maximum command wait time
  -d [debug level], --debuglevel=[debug level]
                        debugging output level
  --showduplicates      show duplicates, in repos, in list/search commands
  -e [error level], --errorlevel=[error level]
                        error output level
  --rpmverbosity=[debug level name]
                        debugging output level for rpm
  -q, --quiet           quiet operation
  -v, --verbose         verbose operation
  -y, --assumeyes       answer yes for all questions
  --assumeno            answer no 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
  --releasever=RELEASEVER
                        set value of $releasever in yum config and repo files
  --downloadonly        don't update, just download
  --downloaddir=DLDIR   specifies an alternate directory to store packages
  --setopt=SETOPTS      set arbitrary config and repo options

  Plugin Options:
[root@littlelawson ~]# 

感谢阿里云！