AWS, DevOps

Why CIOs Should Adopt Containers Technology?

Container service is not new, it was built around ten years ago in Linux environment also known as Linux container (LXC). But today, docker is most popular and has become synonymous to containers. So before talking about some container technologies like Docker, Kubernetes, we have to understand what container service is, and what is...

by Mayur Rastogi
Tag: Linux
30-Nov-2016

DevOps, Technology

Mounting Google Drive in Linux

Google Drive is an indispensable part of our life nowadays. From sharing almost every type of file to anyone/anywhere around the world has reduced our cost and time tremendously from self-hosting an FTP server and taking care of its security. From DevOps perspective, it becomes even more convenient if we could have our google...

by Vaibhav Gulati
Tag: Linux
03-Oct-2016

DevOps, Technology

Basics of IPTables

Linux is the most-used open source operating system. Managing network traffic is one of the toughest jobs to deal with.  For this, we must configure the firewall in such a way that it meets the system and users requirements without leaving the system vulnerable. The default firewall in most of the Linux distributions is IPTables. ...

by Anup Yadav
Tag: Linux
30-Sep-2016

DevOps, Technology

Install and Configure SAR on Ubuntu

Monitoring servers are very important for every server administrator. There are some command line tools available to monitor server resource usages like top, vmstat, etc. Why ? SAR or sar provides almost all the resource usages reports which we get from many different tools at one place but more importantly is could keep...

by Nitin Bhadauria
Tag: Linux
28-Sep-2016

DevOps, Technology

Using Commercial SSL Certificates on your Linux Apache Server

Refer this blog to get a basic understanding of using self-signed SSL certificates on your Apache server. Also, the above link will help you in generating a private key and a CSR (Certificate Signing Request), which contains information about your country, locality, company, your public key, etc.; for your server. For commercial...

by Vaibhav Gulati
Tag: Linux
26-Sep-2016

DevOps

Understanding Memory Utilization in Linux

Linux is an awesome operating system. It performs good with fewer resources and tries to maximize utilization of available resources automatically and because of this, it's slightly difficult to understand resource utilization. Linux comes with many commands to check memory usage. The "free" command usually displays the total...

by Nitin Bhadauria
Tag: Linux
26-Aug-2016

AWS, DevOps

6 Tips for AWS Cost Optimization

As we know AWS provides a good edge in terms of cost over the on-premises data center or in a co-location environment with its On Demand and Reserved pricing. As it is rightly said "Reducing the overall cost is a high priority" and it is true for any organization whether big or small. By using AWS we can lower the IT costs, compute...

by Aman Jain
Tag: Linux
30-Jun-2016

DevOps

“Foolproof Your Bash Script” – Some Best Practices

I am a DevOps practitioner and a lazy one too, so whenever we come across any task that needs to be repeated, we create a bash script. I have been doing this for a long time and after doing a lot of mistakes, I figured that if we follow some basic rules we can make our script more portable and less prone to failure when semantics...

by Nitin Bhadauria
Tag: Linux
09-May-2016

DevOps

Daemonizing a Process in Linux

Most of the times when we need to run some Java, Node.js or python program in background, so it could stay running even after you leave console all we do is put "&" in the end of the command. $java -jar SimpleService.jar & The problem here is that when you leave the bash shell your process will become "Orphan" and it's up to...

by Nitin Bhadauria
Tag: Linux
04-May-2016

Technology

How to see GUI on Remote (Linux) Machines?

It rarely happens that we need to see GUI for the Linux based remote servers. But what if you need to see that. The purpose of this post is to walk you through the software/steps required to fulfill this requirement. Here is how we can enable the GUI First of all we have to install vncserver on remote machine For Ubuntu For...

by Parampreet Singh
Tag: Linux
30-Oct-2015

AWS, DevOps

User Mangement using CHEF and AWS OpsWorks

CHEF is the most popular configuration management tool in the market these days as CHEF turns infrastructure into code and you can do almost anything using it. Recipes are the heart of CHEF. OpsWorks has been gaining a lot of momentum for last few months, the major factor being its support for CHEF. So, in this blog we will be discussing...

by Ranvijay Jamwal
Tag: Linux
18-Oct-2015

AWS, DevOps

Migrate PostgreSQL on Linux server to AWS PostgreSQL RDS using Londiste (Skytools 2)

PostgreSQL is another SQL. It is the second most popular Structured Query Language after MySQL. The steps discussed in the blog can be used for any kind of migration of PostgreSQL. From on-premise to cloud or on-premise to on-premise or cloud to on-premise. Use-case I had to migrate my PostgreSQL running on an EC2 server to RDS...

by Ranvijay Jamwal
Tag: Linux
12-Oct-2015