Dynatrace

JULY 2, 2024

The Qualys Threat Research Unit (TRU) has discovered a Remote Unauthenticated Code Execution (RCE) vulnerability in OpenSSH server (sshd) in glibc-based Linux systems. Instead of dst_addr use a src_addr to see the most active sources that have been targeting any of your ssh daemons on all the servers in the respective VPC.

AWS 276

AWS Network Traffic Servers 276

Dynatrace

APRIL 2, 2020

By 2001, we won our first loyal customers. For nearly fifteen years (~ 2001-2015), network traffic effectively served as a common API for measuring usage, performance, and availability of all applications, links, and clients. The market grew tremendously, fueled by the adoption of the Java platform as the application server standard.

Network 221

Network Traffic Monitoring Java 221

Smashing Magazine

AUGUST 20, 2021

Yet, for all these technological developments, it’s interesting that many of us are still serving sites in the same way Tim did with the very first website — a web server serving static website files. In the 2000s we had a showdown of two popular blog publishing platforms — MovableType in 2001 and WordPress in 2003.

Ecommerce 142

Ecommerce Website Government Internet 142

Brendan Gregg

SEPTEMBER 5, 2017

Oracle VM Server is based on Xen. Xen's biggest user is the Amazon EC2 cloud, which has over one million customers, and appears to be a custom version (it self identifies as version "3.4.3.amazon"). The way the cloud is used helps with security: most instances at my employer have only been up for one or two days.

Virtualization 75

Virtualization AWS Engineering Hardware 75

Adrian Cockcroft

JUNE 21, 2022

I became the Sun UK local specialist in performance and hardware, and as Sun transitioned from a desktop workstation company to sell high end multiprocessor servers I was helping customers find and fix scalability problems. This was followed by a greatly expanded second edition with some additional chapters by Rich Pettit.

Tuning 52

Tuning Benchmarking Engineering C++ 52