Paul Graydon

About:

The website 'Odds and ends' is authored by Paul Graydon. It appears to be a personal site where various topics and interests are shared, although specific details about the author are not provided in the metadata.

Website:

paulgraydon.co.uk

Outgoing Links:

Fred Wilson

Subscribe to RSS:

Link

2025-07-27 • cybersecurity malware brotli gzip decompression

The blog post discusses decompression bombs, which are malicious files designed to exploit vulnerabilities in data processing software by overwhelming system resources. It explains the concept of lossless compression and how decom...

2020-12-26 • linux automation kernel development btrfs kvm

The blog post discusses an approach to automatically bisect the Linux kernel to identify performance regressions, specifically focusing on a BTRFS performance issue in the 5.10 kernel. It explains the concept of bisection in versi...

2014-02-26 • design mysql performance consulting services database

The author reflects on their experience as a consultant sysadmin, particularly dealing with a customer whose database server consistently faced performance issues due to a poorly designed schema. The main problem was a VARCHAR(255...

2013-04-26 • responsive web design static content html foundation models state portal

The new state portal for Hawaii, http://portal.ehawaii.gov, has been launched, featuring a complete overhaul by the content management, design, and sysadmin teams. The portal utilizes a mobile-first, HTML5 responsive design, is to...

2014-02-15 • netflix internet service providers (isps) throttle comcast net neutrality

The article discusses the uncertainty surrounding whether Comcast is throttling Netflix traffic. It highlights that while some users experience better performance using proxy servers, the evidence is inconclusive. The author expla...

2012-09-19 • system administration monitoring zabbix check mk nagios

The author discusses their transition from using Zabbix to Check_MK/Nagios for monitoring infrastructure. They highlight the limitations of Zabbix, such as its reliance on database configuration and slower graph rendering, and pra...

2024-06-02 • programming sorting webassembly algorithms rust programming

The author shares their experience of creating a web page for visualizing different sorting algorithms using Rust and WebAssembly. They discuss their inspiration from YouTube videos, the challenges faced in implementing the algori...

2012-02-02 • system administration devops iaas and paas cloud vendors noops

The blog post critiques Lucas Carlson's NoOps concept, arguing that it misrepresents the role of operations in software development. The author emphasizes the importance of sysadmins in maintaining application performance and stab...

2024-11-18 • linux cryptography openssh data generation

The blog post discusses a method for generating large amounts of pseudorandom data quickly using cryptographic functions in OpenSSL. The author explains how to leverage optimized CPU instructions for AES operations and suggests us...

2012-10-29 • load balancer tls apache tomcat remote ip valve x-forwarded-proto

The post discusses the challenges faced when using Tomcat with load balancers, particularly regarding the handling of X-Forwarded headers during SSL termination. It highlights issues with redirects being incorrectly formatted as H...

2014-05-10 • programming software engineering bot development irc go

The author shares their experience learning the Go programming language while developing an IRC bot. They appreciate Go's balance between dynamic and static languages, its ease of use, and the simplicity of deploying applications ...

2013-04-02 • web browsers download issues firefox cliget

The post discusses the challenges of obtaining server-friendly download links due to increasing restrictions on websites, such as requiring terms of use acceptance and hiding links behind metrics layers. The author shares their ex...

2012-02-23 • infrastructure system administration planning error handling kiss principle

The author discusses the challenges of balancing infrastructure demands with developer needs in their role as a sysadmin. They reflect on the complexities of error page handling and the importance of simplifying processes to avoid...

2012-05-26 • networking t-mobile google nexus android ipv6

The author shares their experience upgrading from an older Nexus One to a Samsung Galaxy Nexus, highlighting the benefits of stock Android and the challenges of accessing IPv6 on the T-Mobile USA network. The post provides a step-...

2012-07-29 • configuration security networking massachusetts institute of technology ssh

The post discusses the importance of using SSH keys for secure logins and suggests creating a config file in the .ssh directory to simplify SSH commands. It provides an example configuration for different hosts, highlighting how t...

2013-04-04 • linux debugging firewall java asdf

The author discusses their struggles with configuring a PIX or ASA Firewall using ASDM on Linux, particularly after encountering issues with Java compatibility. They share their experience of troubleshooting the problem, which inv...

2013-07-08 • parenting career amazon life changes relocation tips

The author shares their recent life changes, including moving from Hawaii to Seattle after accepting a job at Amazon. They discuss the challenges of relocating with an 11-month-old child, the decision-making process behind the mov...

2015-07-17 •

...

2012-10-09 •

...

2012-07-14 •

...