Imagine that you are a Linux System Administrator, working for a small financial services company. Your company being in the finance sector, is always worried, about security of the applications and servers. Your company recently took a critical step of firing an engineer on the charges of leaking financial and…
Cloud infrastructure is being leveraged by almost everyone these days. There are many configuration management tools to manage configuration state of the servers in the form of code. Tools like Puppet, Chef and Ansible are well suited for configuration management. Managing things with code is much more reliable compared to…
I am sure about the fact that by now, most of us have used public cloud services like AWS, Azure, & Google Cloud. Well, if not all three, at least aws for sure(because aws is the biggest player in the public cloud service offering). Creating your infrastructure on top…
Python is one of the growing high level languages out there. That claim is not without proof. In the recent list of language popularity published by GitHub, Python was in the top list. In fact it is the second most popular language (the first place is currently held by JavaScript)…
IP is the main backbone protocol of the internet(also it is one of the main protocol inside the TCP/IP protocol suite). In other words, irrespective of whether you are using TCP, UDP, or ICMP, the actual data gets transmitted using IP protocol. IP does not provide any guarantee…
Any command that you execute in Linux will have a corresponding process associated with it. Even commands that are generally short lived (like grep, cat, ls, and so on..), will have a process associated with it. All these processes has three things in common. I must actually say 4 things…
AWS(Amazon Web Services) is one of the first best public cloud service provider. It has grown to such an extent that now cloud is very much synonymous to aws. One of the reasons for its popularity is the easy to use web interface and the wide range of services…
Automating repetitive task is a norm in the life of a system administrator. Mostly administrators write scripts in different programming languages to take care of this repetitive tasks. The default choice for most Linux system administrators is to leverage the “BASH shell” and its scripting capabilities. Unlike Python, Ruby and…