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An introduction to Linux activity/event trackers
Most modern GNU/Linux distributions use some kind of a software service that tracks the user activities and events. These events can be anything, from...
Meet Linux’s Little Brother: Zephyr, A Tiny Open Source IoT RTOS
The Linux Foundation has launched the Zephyr Project, to foster an open source, small footprint, modular, scalable, connected, real-time OS for IoT devices. Normally we...
How to run a command or script after running apt-get command on a Debian...
How do I run custom command after 'apt-get upgrade' or 'apt-get dist-upgrade' on a Debian or Ubuntu Linux based system? How do I hook...
How To Patch and Protect Linux Glibc Getaddrinfo Stack-based Buffer Overflow Zero Day Vulnerability
A stack-based critical buffer overflow was found in the way the libresolv library (glibc) performed dual A/AAAA DNS queries. A remote attacker could crash...
KVM virtualization: Install KVM hypervisor in Ubuntu/Debian Linux?
woo-hoo..! we are at the practical posts on KVM virtualization now. From this post on words we will see on how to install KVM hypervisor and use it to...
What is SGID and how to set SGID in Linux?
This is next to SUID in our ongoing Linux file and folder permissions series. We already discussed about CHMOD, UMASK, CHOWN, CHGRP, SUID, StickyBit and SUDO concepts in our previous posts. In this post...
Linux Systems Patched for Critical glibc Flaw
Google exposed a critical flaw affecting major Linux distributions. The glibc flaw could have potentially led to remote code execution. Linux users today are scrambling...
Linux Kernel 4.1.18 LTS Is the Biggest in the Series with Hundreds of Changes
It looks like renowned kernel maintainer Greg Kroah-Hartman is on vacation, as Sasha Levin has had the great pleasure of announcing earlier today, February 16, 2016,...
Canonical’s ZFS Plans Are Lining Up For Ubuntu 16.04
Ubuntu developers have been working on ZFS support for Ubuntu 16.04 and all of that file-system support is getting squared away. For those interested in...
What is SUID and how to set SUID in Linux/Unix?
There are some other special permission apart from the normal file permissions read, write and execute which we set with chmod and chown commands. They are SUID, SGID, Sticky Bit, ACL’s,...