Amazon EC2: components interaction

amazon_web_services_ec2

After first weeks with AWS you’re starting to understand what is the main Amazon service. And, of course, it’s Elastic Compute Cloud (shortly EC2). EC2 instances – virtual machines running on demand. It’s necessary to know how services connect to instances and interact with each other.

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Deal with NVIDIA drivers on Fedora

Sometimes NVIDIA users faced with driver problem trying to successfully setup Linux on workstations. Linux kernel includes open source driver, but sometimes it isn’t fully eligible for videocards. The old ones in particular. Some days ago I felt the same thing trying to step up to Fedora 24 & 4.6 kernel. I guess it could happen with any rpm-based distro like CentOS, ROSA etc..

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Cheatsheet: Linux system variables

Many people think that the problem of application performance, security and networking lies in supported services. Like Nginx is proxying too slow or remote DBMS cannot see my network. Frequently the problem in OS. Default values of system settings can restrict our environment to make the service jobs quick and simple. The best way to change your system configuration – change the system variables.

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