After testing, you can download and install the SDK.
Http://mirror.centos.org/centos/5/ OS /i386/CentOS/pdksh-5.2.14-36.el5.i386.rpm
[root@ora11g tmp]# rpm -ivh pdksh-5.2.14-36.el5.i386.rpm
warning: pdksh-5.2.14-36.el5.i386.rpm: Header V3 DSA signature: NOKEY, key ID e8562897
error: Failed dependencies:
pdksh conflicts with ksh-20060214-1.7.i386
Possible package conflict
Solution
# Run the rpm-e KSh command to uninstall KSh. If there is any package dependency, use
# Rpm-IVH -- nodeps pdksh force installation. I installed it on centos5.3 x86_64.
Oracle 11g R2 64-bit has encountered similar problems.
[Root @ ora11g TMP] # rpm-e KSh
[Root @ ora11g TMP] # rpm-IVH pdksh-5.2.14-36.el5.i386.rpm
Warning: pdksh-5.2.14-36.el5.i386.rpm: Header V3 DSA Signature: nokey, key ID e8562897
Preparing... ######################################## ### [100%]
1: pdksh ####################################### #### [100%]
Installation Complete
Reference: http://blog.163.com/bihonggang_anshan/blog/static/13171564320116149334777/