On 07/05/2022 15:01, Kaushal Shriyan wrote: Hi Kaushal, > #gcc -o ngx_cache_purge_module ngx_cache_purge_module.c > ngx_cache_purge_module.c:30:19: fatal error: nginx.h: No such file or > directory > #include <nginx.h> > ^ > compilation terminated. > > # yum search nginx-devel Try "yum search nginx" instead and examine its output. You'll find your answer. Regards, Anand