Install openssl-devel with the CD rpm in Linux5

1. check whether openssl is installed: whichopenssl [root @ localhost ~] # Whichopenssl/u

1. check whether openssl is installed: which openssl
[Root @ localhost ~] # Which openssl
/Usr/bin/which: no openssl in ....

If the system has been installed, the following error occurs:/usr/bin/openssl.
2. mount the CD mount/dev/cdrom/media
3. install the following RPM packages in sequence
[Root @ localhost ~] # Rpm-ivh e2fsprogs-devel ....
[Root @ localhost ~] # Rpm-ivh libsepol-devel...
[Root @ localhost ~] # Rpm-ivh libselinux-devel...
[Root @ localhost ~] # Rpm-ivh krb5-devel...
[Root @ localhost ~] # Rpm-ivh zlib-devel...
[Root @ localhost ~] # Rpm-ivh openssl-devel...
IV. test whether the installation is successful
[Root @ localhost ~] # Which openssl
/Usr/bin/openssl