Blog Archive

I like to write. Here's a collection of my blogposts.

Using Oh Dear! to keep your Varnish cache warm

Chalk Talk #3: how to optimise your content for Varnish

Upcoming presentation at LOADays: Varnish Internals – Speeding up a site x100

Chalk Talk #2: how does Varnish work?

Varnish: same hash, different results? Check the Vary header!

Varnishlog: show the hash() data in output

Chalk Talk #1: An introduction to Varnish

Varnish 6.0 released

Podcast: Caching using Varnish

Varnish 5.x VCL configuration templates

Varnish Explained

Varnish Cache 5.0 Released

Mark a varnish backend as healthy, sick or automatic via CLI

Varnish Agent: an HTML frontend to manage & monitor your varnish installation

Drupal’s itok parameters explained and a Varnish workaround for different backends

Varnish VCL Syntax Highlighting in Sublime Text

Varnish VCL: Case Insensitive Regex

Varnish Cache 3.0 Is End Of Life

Running Varnish 4.x on systemd

Debug Varnish 4.x on systemd That Fails to Start

Explicitly Approving (Whitelisting) Cookies in Varnish With Libvmod-Cookie

Varnish FetchError http first read error: -1 11 (Resource temporarily unavailable)

Reload Varnish VCL without losing cache data

Combine Apache’s HTTP authentication with X-Forwarded-For IP whitelisting in Varnish

Varnish tip: see which cookies are being stripped in your VCL