How to create class and module in puppet

In my previous article (“How to automate your IT infrastructure with puppet“) I showed you how to install and configure puppet, and how to write simple manifest.Today I’ll show you how to write those simple manifest using puppet classes and modules using the same server environment. What is class and …

How to detect and fix Dirty COW (CVE-2016-5195) issues on Ubuntu kernel

  A serious bug has been detected recently in Linux kernel named Dirty COW (CVE-2016-5195). An unprivileged local user can use this flaw to gain write access in the system. The bug existed since around 2.6.22+ (release in 2007) and was fixed on Oct 18, 2016. Exploitation of this bug does …

How to launch and connect Amazon EC2 Linux (Ubuntu 14.04 LTS) instances….

Topic Covered AWS Free tier which include 750 hours per month instance usage. 30 GB of storage. Expire 12 months after sign-up. You can find more information here about AWS free tire. Prerequisite Before launching To launch an instance in AWS first you need to sign-up or open an account. …

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