BUG #15644: not able to up the database

The following bug has been logged on the website:

Bug reference: 15644
Logged by: ramakrishnan r
Email address: prakash(dot)ramakrishnan(dot)ap(at)nielsen(dot)com
PostgreSQL version: 10.4
Operating system: CentOS Linux release 7.5.1804
Description:

Hi,
Team not able to the up the database please find the below details.
==> pg_ctl start -mf
/opt/app/PostgreSQL/10/bin/postgres: error while loading shared libraries:
libssl.so.1.0.0: cannot open shared object file: No such file or directory
no data was returned by command ""/opt/app/PostgreSQL/10/bin/postgres" -V"
The program "postgres" is needed by pg_ctl but was not found in the
same directory as "/opt/app/PostgreSQL/10/bin/pg_ctl".
Check your installation.
postgres(at)sydcosausd001(dot)enterprisenet(dot)org:/home/postgres

postgres(at)sydcosausd001(dot)enterprisenet(dot)org:/Postgres/pgDATA/data
==> ls
base pg_commit_ts pg_ident.conf pg_replslot pg_stat_tmp
PG_VERSION postgresql.conf
current_logfiles pg_dynshmem pg_logical pg_serial pg_subtrans
pg_wal postgresql.conf.include
data10.tar.gz pg_hba.conf pg_multixact pg_snapshots pg_tblspc
pg_xact postgresql.conf.include.skd.20181009
global pg_hba.conf_bkp pg_notify pg_stat pg_twophase
postgresql.auto.conf postmaster.opts