Tag: Site Reliability Engineering

Chris Stankaitis, Team Manager, Site Reliability Engineering at Pythian, reflects on the theme of change at LISA16.

Kevin Pedersen, Team Manager, Service Reliability Engineering at Pythian, provides some considerations to keep your Terraform environment manageable.

strace is a very useful tool which traces system calls and signals for a running process. This helps a lot while debugging application level performance issues and bugs. Aim of this post is to demonstrate the power of strace in…

Multipathing allows to configure multiple paths from servers to storage arrays. It provides I/O failover and load balancing. Linux uses device mapper kernel framework to support multipathing. In this post I will explain the steps taken to troubleshoot a multipath…

Pythian is a sponsor at the LISA conference this year, where we’ll be participating in a panel discussion, invited talk, and a birds-of-a-feather session. Bill Fraser, Principal Consultant in Pythian’s SRE practice notes that this year is different for Pythian….

Welcome to part 7, the final blog post in my series, Deploying Private Cloud at Home, where I will be sharing the scripts to configure controller and computer nodes. In my previous post, part six, I demonstrated how to configure the controller and compute…

Today’s blog post is part six of seven in a series dedicated to Deploying a Private Cloud at Home, where I will be demonstrating how to configure controller node with legacy networking ad OpenStack dashboard for webgui. Feel free to check out…

Today’s blog post is part five of seven in a series dedicated to Deploying Private Cloud at Home, where I will be demonstrating how to configure Compute node and OpenStack services on the compute node. We have already installed the MySQL Python…

There are several tools and technologies available to debug deeper into high CPU utilization in a system; perf, sysrq, oprofile, vmcore, and more. In this post, I will narrate the course of debugging a CPU utilization issue using technologies like perf…

Today’s blog post is part four of seven in a series dedicated to Deploying Private Cloud at Home, where I will be demonstrating how to configure Imaging and compute services on controller node. See my previous blog post where we began configuring…