Ghost Linux

A serious bug in all Linux OS

A new bug is announced in all Linux OS recently.It is about a package, glibc. This package is responsible for C libc libraries, (libm) ,POSTIX Thread, Name Server Caching Deamon (nscd) standard libraries. This vulnerability is from Heap Buffer OverFlow kind for nss_hostname_digits_dots() function in libc which are called by gethostbyname() and ethostbyname2() that make […]

Cpanel logs locations

Cpanel has its own log locations to store and retrive all the logs information. Below i have drafted almost all the important logs and its location stored in the cpanel server which will be useful for the system administrators to trace the incident easily. Let us start with the server logs.

Linux Drop Cache

The biggest advantage of Linux OS is maintaining cache for file-systems, memory pages etc to speedup the cpu process reducing the hard disk i/o. From 2.6.16 kernel a new mechanism has been introduced to have the kernel drop the pagecache, dentries or inodes cache which helps the administrator to throw away that script that allocated […]

Apache FLV streaming using mod_flvx

Why mod_flvx ? Mod_flvx was coded by Paul Querna which allows people to skip boring parts or see video ending without loading the whole file (saves a lot of bandwidth). The default apache does not support this feature so we need to install mod_flvx to enable it. Lighttpd comes with the mod_flv_streaming module inbuild and […]