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If you are running a mission critical web server, or maintaining a storage server loaded with sensitive data, you probably want to closely monitor file access activities within the server. For example, you want to track any unauthorized change in system configuration files such as /etc/passwd.
This guide is intended as a relatively easy guide to harden the security on an Ubuntu…
The English Oxford Dictionary describes a guru as somebody who is an influential teacher or popular expert.
How though do you become an expert in the field of Linux? This guide highlights the steps you should follow in your quest to become an authority on Linux.
Many of these tools are ready to serve, via a quick install from either your package manager or by downloading them, individually, from their respected websites. But what if you wanted all of those tools, at the ready, on a single, programmer-friendly platform? If the thought of having every tool you need to develop, pre-installed on a Linux distribution, appeals to you, there’s a new platform in the works that might fit your needs to perfection.
A system administrator who assumes the role of the root user can permit other normal system users with the help of sudo command and a few configurations to run some commands as well as carry out a number of vital system operations including the ones mentioned above.
Alternatively, the system administrator can share the root user password (which is not a recommended method) so that normal system users have access to the root user account via su command.
Some people suggest that the swap partition is no longer required. However disk space is cheap and so it does no harm to create one even if you never use it.
In this article I am going to be looking at the home partition. The main reason for having a home partition is to separate your user files and configuration files from the operating system files. By separating your operating system files from your user files you are able to upgrade your operating system without fear of losing your photos, music and videos.
What separates average Linux users from the super-geeks? Simple: years spent learning the kinds of hacks, tricks, tips and techniques that turn long jobs into a moment’s work. If you want to get up to speed without having to put in all that leg-work, we’ve rounded up over 50 easy-to-learn Linux tips to help you work smarter and get the most from your computer. Enjoy!
Linux isn’t a complete operating system — it’s just a kernel. Linux distributions take the Linux kernel and combine it with other free software to create complete packages. There are many different Linux distributions out there.
If you want to “install Linux,” you’ll need to choose a distribution. You could also use Linux From Scratch to compile and assemble your own Linux system from the ground up, but that’s a huge amount of work.
Linux is the best-known and most-used open source operating system. As an operating system, Linux is software that sits underneath all of the other software on a computer, receiving requests from those programs and relaying these requests to the computer’s hardware.
When shared storage is available, every node can potentially be used for failover. Pacemaker can even run multiple copies of services to spread out the workload. In this guide, I’ll be using two Ubuntu-14 instances on Amazon Web Services using free tier account with separate public and private networks and allotted 2 disks on each host, 1 for the system and 1 for our storage. The instances are called node01 and node02 to make things easier to follow.