Linux Academy

FEBRUARY 11, 2019

I’m happy to announce that Cloud Playground is now available on Linux Academy! Seven years ago we launched our first Cloud Servers interface providing the ability for Linux Academy students to spin up virtual machines on demand as part of their membership. Upgraded interface and server logs.

Training 60

Training Linux Cloud Google Cloud 60

taos

OCTOBER 14, 2019

Senior Technical Consultant A part of what I do at Taos involves interviewing prospective consultants for our Unix/DevOps practice via a thorough technical assessment. So from the top, “I’m on a Linux system. On Linux specifically, the browser will call getaddrinfo()² to spark up the system’s internal resolver.

IPv6 40

IPv6 Technical Review Linux Systems Review 40

taos

OCTOBER 8, 2019

On Linux, this is accomplished by: sysctl –w net.ipv4.tcp_window_scaling=1 To enable selective acknowledgments on a Linux host: sysctl –w net.ipv4.tcp_sack=1 If we work backward, and use the bandwidth-delay product, let’s say we need 50 megabits of throughput over a link with 100ms latency. tcp_window_scaling=1 add net.ipv4.tcp_window_scaling=1

WAN 8

WAN Technical Review Windows Linux 8