Looking For The Source Code Of Life, LINUX and MORE...

On Wednesday, February 10th, I participated in an online panel on the subject of Cloud Monitoring , as part of MonitoringScape Live (#MonitoringScape), a series of community panels about everyt...

https://blog.adityapatawari.com/2016/02/big-pandas-community-panel-on-cloud.html

A few years ago I wrote a iptables tutorial explaining the basics of the topic. This post is just a small cheat sheet of most simple and effective commands that I end up using very frequently. ...

https://blog.adityapatawari.com/2015/10/common-iptables-commands.html

Logical Volume Manager (LVM) helps in managing disk partitions irrespective of underlying disk layouts. In simple terms, this helps in extending a filling partition easily by just adding a disk...

https://blog.adityapatawari.com/2015/10/the-lvm-beginners-guide.html

I use LaTeX , mostly beamer , for my slides. I really like the Warsaw theme and it has been the default for almost all my presentations since quite some time now. Gummi is my choice of editor f...

https://blog.adityapatawari.com/2015/05/fixing-gummi-compilation-program-is.html

I just bought a Yubikey Neo . It is a tiny usb device which can be used for multi-factor authentication with many application. But setting it up can become tricky at times due to lack of documen...

https://blog.adityapatawari.com/2015/04/setting-up-yubikey-for-ssh-two-factor.html

A research group named SMACK has released a vulnerability known as FREAK which can be used for man-in-the-middle (MITM) attack. The vulnerability is due to an old ghost created by USA Governmen...

https://blog.adityapatawari.com/2015/03/how-to-check-for-ssl-freak-vulnerability.html

Kubernetes  is new framework by Google to manage Linux container clusters. I started playing with it today and it seems like a cool, powerful tool to manage a huge barrage of containers and to ...

https://blog.adityapatawari.com/2015/01/basic-docker-orchestration-with-google.html

Here is a short and sweet guide to Docker for absolute beginners. I have added a few FAQs as well. Q. WHAT IS A CONTAINER? A. Container is an isolated Linux system running on a Linux machine ...

https://blog.adityapatawari.com/2014/12/docker-quick-start-guide.html

Data security is an important concern these days and encryption is a very powerful tool to secure the data. In my previous post I talked about how to encrypt a disk . Now we are going to talk ab...

https://blog.adityapatawari.com/2014/11/encrypt-everything-encrypt-data-using.html

Recently, at BrowserStack.com, some of our services got compromised . We use Amazon Web Services extensively. The person (or group) who attacked us mounted one of our backups and managed to stea...

https://blog.adityapatawari.com/2014/11/encrypt-everything-how-to-encrypt-disk.html

Google has just disclosed SSL POODLE vulnerability which is a design flaw in SSLv3. Since it is a design flaw in the protocol itself and not an implementation bug, there will be no patches. Onl...

https://blog.adityapatawari.com/2014/10/how-to-check-for-ssl-poodle-sslv3-bug.html

I am going to do a couple of posts on NAT (Network Address Translation) to discuss their classification and how to create a NAT on a Linux machine. This post will cover NAT types. Generally N...

https://blog.adityapatawari.com/2014/09/types-of-nat-and-how-to-determine-nat.html

I recently gave a talk about Ansible at Flock, Prague. Here is a youtube video of the same. Paul W. Frields has written a summary of the talk on the Fedora Magazine .

https://blog.adityapatawari.com/2014/08/introduction-to-ansible.html

There are tonnes of tutorials on Netcat already. This one is to remind me and my colleagues about the awesomeness of nc which we forget on regular basis. Common situations where nc can be used...

https://blog.adityapatawari.com/2014/04/a-simple-netcat-how-to-for-beginners.html

ownCloud helps us to access our files from anywhere in the world, without take the control of data from us. Traditionally server's local hard disks have been used to act as storage backend but ...

https://blog.adityapatawari.com/2014/01/using-openstack-swift-as-owncloud.html

In this tutorial we'll setup OpenStack Swift which is the object store service. Swift can be used to store data with high redundancy. The nodes in Swift can be broadly classified in two categor...

https://blog.adityapatawari.com/2014/01/openstack-101-how-to-setup-openstack_12.html

OpenStack Keystone is an identity or authorization service. Before we can do anything on other OpenStack components, we have to authorize ourselves and only then the operation can proceed. Let ...

https://blog.adityapatawari.com/2014/01/openstack-101-how-to-setup-openstack.html

OpenStack , in simple words, is an open source project which facilitates us to build our own cloud computing setup. In other words, it creates an Infrastructure as a Service (IaaS) on our own in...

https://blog.adityapatawari.com/2014/01/openstack-101-what-is-openstack.html

PRESENTING A READY-TO-INSTALL IMAGE OF OWNCLOUD FOR RASPBERRY PI  A SMALL INTRODUCTION TO OWNCLOUD ownCloud is an application which enables users to share their data without giving control ...

https://blog.adityapatawari.com/2013/08/installing-owncloud-on-raspberrypi.html

One of the most discussed and common use of Raspberry Pi is to turn it into a media center for music and videos. Raspberry Pi uses very less power so it is an ideal device for people who listen ...

https://blog.adityapatawari.com/2013/07/converting-raspberry-pi-into-media.html

If you just want to share some files without concern of privacy, please check out this short tutorial on bittorrent.com . This article will talk a bit about BitTorrent's basic internals and it's...

https://blog.adityapatawari.com/2013/06/deploying-big-using-bittorrent-sharing.html

I HAVE CREATED A ONE-LINER TO INSTALL XFCE ON ARCH LINUX, RASPBERRY PI. FIND IT IN THE LAST LINE. I wrote about installing XFCE on Arch Linux running on Raspberry Pi but it seems that those ...

https://blog.adityapatawari.com/2013/05/arch-linux-on-raspberry-pi-running-xfce.html

Open your terminal and fire "ls -i" and you will see that each file is associated with a number. $ ls -i 2889973 users.sh 2889972 fedoraRepo.sh 2889970 sfs.sh 2889969 bigFile.sh 2889971 dbBack...

https://blog.adityapatawari.com/2013/03/all-about-inodes-hard-links-and-soft.html

INSTRUCTIONS IN THIS POST ARE NO LONGER VALID. PLEASE FIND THE UPDATED POST HERE . I recently got a Raspberry Pi from RS online store. I wanted one so bad and it took so long before I got to p...

https://blog.adityapatawari.com/2013/01/arch-linux-on-raspberry-pi.html

This post is more like a "note to self" for certain TCP parameters which I usually modify (or plan to modify) on production servers. Some good to know terms: Round Trip Time (RTT): It is the...

https://blog.adityapatawari.com/2012/11/testing-network-and-tcp-optimizations.html