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The Trump administration has rolled out a new questionnaire for U.S. visa applicants worldwide that asks for social media handles for the last five years and biographical information going back 15 years. […] Under the new procedures, consular officials can request all prior passport numbers, five years’ worth of social media handles, email addresses and phone numbers and 15 years ... Read More »

Attackers can locally exploit the privilege escalation vulnerability to gain root access over Linux, Solaris and BSD machines. This is bad news for Unix-based servers, and even more so for multi-tenant environments. Read More »

?We all encounter many times the boot related problems and most of them are simply related to GRUB. Many people find it way too hard sometimes to enter long commands or search forums to find the way they can solve it. Today I am going to tell you how to use a simple, small software to solve most of the ... Read More »

Lua is a lightweight, compact, and fast programming language designed as an embeddable scripting language. This cross-platform interpreted language has a simple syntax with powerful data description constructs. Lua aims for simplicity, small size, performance and portability. It has automatic memory management and incremental garbage collection, making it ideal for configuration, scripting, and rapid prototyping. Read More »

Kdump is a way to acquire a crashed Linux kernel dump, but finding documents that explain its usage and internals can be challenging. In this article, I'll examine the basics of kdump usage and look at the internals of kdump/kexec kernel implementation.read more Read More »