Scott Lowe
JANUARY 15, 2021
This article by Joshua Fox outlines how and when to use each of the various types of firewalls offered by AWS. Ryan Blunden has authored a fairly comprehensive piece on environment variables in Linux and macOS. Linux may be coming to the Apple M1 chip. Who else knew that HAProxy could route SSH connections ?
Scott Lowe
FEBRUARY 2, 2017
There was a fair amount of wailing and gnashing of teeth when Apple updated the MacBook Pro line with the Touch Bar. Vivek Gite over at nixCraft explains how to use ufw (Uncomplicated Firewall) on Ubuntu to limit SSH connections. Flatpak is a (relatively) new application packaging/sandboxing mechanism for Linux applications.
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Scott Lowe
MARCH 17, 2016
At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. Russell Pope at Kovarus recently wrote about using security groups to manage the VMware NSX distributed firewall. I knew Microsoft was cozying up to Linux, but I honestly didn’t expect they would port SQL Server to Linux.
Scott Lowe
JUNE 29, 2016
In the event you accidentally locked yourself out of vCenter using NSX’s distributed firewall, this post by Roie Ben Haim provides a workaround for getting yourself out of this pickle. This is a highly technical article on scheduling in the Linux kernel , but it’s well worth reading. Cloud Computing/Cloud Management. Virtualization.
Fountainhead
MAY 5, 2009
Today, the service provider houses over 1,425 virtual servers running on 70 industrystandard Egenera servers, 370 terabytes of storage and 1,250 virtualized firewalls. Albridge Solutions: Albridge Solutions migrated from UNIX servers to industry-standard servers running Linux and Egenera-based Infrastructure Orchestration.
Scott Lowe
OCTOBER 23, 2020
” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” ” Speaking of Linux networking…Marek Majkowski of Cloudflare digs deep into conntrack , used for stateful firewalling functionality. Servers/Hardware. Cloud Computing/Cloud Management.
Scott Lowe
APRIL 2, 2021
In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Linux malware is getting more sophisticated. ” Get ready to get nerdy! A browser-based side-channel attack ?
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