nginx
[root@aa opt]# /usr/sbin/nginx -v
nginx version: nginx/1.20.1
[root@aa opt]# /usr/sbin/nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful
[root@aa ~]# /usr/sbin/nginx -V
nginx version: nginx/1.20.1
built by gcc 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC)
built with OpenSSL 1.1.1g FIPS 21 Apr 2020 (running with OpenSSL 1.1.1k FIPS 25 Mar 2021)
TLS SNI support enabled