Testing Your SLF4J Logs (2 mins read).
Looking at how we would unit test our SLF4J logs to gain confidence they work, and to catch regressions in the future.
Tag blogumentation
Viewing Logs for a systemd Unit with journalctl (1 mins read).
How to view the logs for a given unit, using systemd and journalctl.
Setting up a custom RubyGems Repository for Chef in Test Kitchen (1 mins read).
How to use a private RubyGems repository for your Chef gem dependencies in Test Kitchen.
Overriding Test Kitchen Driver Configuration (2 mins read).
How to override specific configuration in Test Kitchen's project-specific .kitchen.yml.
How Many Gadgets Does the Kitchen Need?! The Many Tools for Chef Dependency Management (5 mins read).
Looking at the different dependency management solutions of Chef, and how, where and why you would use each one.
by 
Jamie Tanna
.
#blogumentation
#chef.
Extracting Request Parameters Dynamically for a application/x-www-form-urlencoded Request in Spring (1 mins read).
How to access all key-value pairs of parameters sent in a application/x-www-form-urlencoded request.
Extracting Request Parameters Dynamically for a multipart/form-data Request (2 mins read).
How to access all key-value pairs of parameters sent in a multipart/form-data request.
Adding a 404 page for www.jvt.me on Netlify, with Hugo (1 mins read).
Announcing a swanky new 404 page for www.jvt.me.
by Jamie Tanna
.
#blogumentation
#www.jvt.me
#hugo
#netlify.
Converting Ruby Hash keys to Strings/Symbols (2 mins read).
How to recursively convert a Ruby Hash's keys to a String / Symbol.
by Jamie Tanna
.
#blogumentation
#ruby.
Merging an 'Override' Ruby Hash into the Original Hash (6 mins read).
How to use Ruby to merge two hashes with nested arrays of hashes, with the second hash overriding values from the first.
by Jamie Tanna
.
#blogumentation
#ruby.
Adding Newlines to all Files in Git (3 mins read).
Adding newlines at the end of all Git-tracked files.
How to RSVP to an Indie Event from your Website (4 mins read).
How to use your personal website in conjunction with Microformats and Webmention to be able to RSVP to Indie events.
by Jamie Tanna
.
#blogumentation
#indieweb
#microformats
#webmention
#guide
#howto.
Easily Parsing Failed Cucumber Scenarios from the JSON Report (2 mins read).
How to parse a Cucumber JSON report to display the failed scenarios and their causes.
by Jamie Tanna
.
#blogumentation
#cucumber
#ruby
#command-line.
Using OpenSSL Behind a (Corporate) Proxy (1 mins read).
How to use OpenSSL commands when behind a proxy server.
Extract a Secret Key from a Java Keystore (2 mins read).
How to export a symmetric SecretKey entry from a Java keystore.
by Jamie Tanna
.
#blogumentation
#java
#keystore
#certificates.
Parsing Key-Value URL Fragments with Node.JS (1 mins read).
How to easily parse a URL fragment containing key-value pairs of data, with Node.JS.
Creating an iCalendar feed for my RSVPs (3 mins read).
How and why I've created a public calendar for the RSVPs I send from this site.
by Jamie Tanna
.
#calendar
#blogumentation
#indieweb
#www.jvt.me.
Add your Meetup.com Events to your Calendar (1 mins read).
How to get all your upcoming Meetup.com events straight to your calendar.
Pretty Printing JSON Files Inline on the Command Line (2 mins read).
How to rewrite multiple JSON files inline on the Command Line.
by Jamie Tanna
.
#blogumentation
#pretty-print
#command-line
#ruby.
Force a Refresh of an Emby Library in Kodi (1 mins read).
How to force an update of an Emby library from Kodi.
by Jamie Tanna
.
#blogumentation
#kodi
#emby.
Pretty Printing JSON Web Tokens (JWTs) on the Command Line using OpenSSL (3 mins read).
How to easily introspect a JWT on the command line using OpenSSL and optionally Python for real pretty-printing.
by Jamie Tanna
.
#blogumentation
#python
#command-line
#jwt
#json
#pretty-print.
URL Decoding with Ruby on the Command Line (1 mins read).
How to use Ruby's standard library to decode URLs with a handy one-liner.
Using Hugo .Render to Save Repetition (3 mins read).
Replacing ifs with .Render to save duplication in Hugo templates.
Using <details> tags for HTML-only UI toggles (3 mins read).
How using the <details> HTML tag can provide a toggleable UI element with only built-in HTML.
Verify if a field in a JSON response is not set with Rest Assured (1 mins read).
How to verify whether a field is not present in a JSON Rest Assured Response.
Pretty Print JSON with Java (1 mins read).
How to pretty print a JSON object using Java and Jackson.
Gotcha: URL Encoding for consecutive double slashes issue with Rest Assured (2 mins read).
How to workaround consecutive double slashes being URL encoded (as %2Fs) in Rest Assured.
Prettier HTML Reports for Cucumber-JVM (2 mins read).
How to generate prettier HTML reports for Cucumber with cucumber-reporting and cucumber-reporting-plugin, with and without Jenkins.
by Jamie Tanna
.
#blogumentation
#java
#cucumber
#testing
#reporting.
Viewing X.509 DER Certificate Fingerprints with OpenSSL (1 mins read).
How to view an X.509 DER certificate's fingerprint using openssl commands.
by Jamie Tanna
.
#blogumentation
#certificates
#command-line
#der
#openssl.
Viewing X.509 PEM Certificate Fingerprints with OpenSSL (1 mins read).
How to view an X.509 PEM certificate's fingerprint using openssl commands.
by Jamie Tanna
.
#blogumentation
#certificates
#command-line
#pem
#openssl.
Pretty Printing JSON with Ruby (1 mins read).
Using Kernel.jj to pretty print Ruby objects as JSON objects.
Specifying datetime in your Hugo posts' front matter (1 mins read).
Setting your posts' date to a datetime string to specify the time a post was published at.
by Jamie Tanna
.
#blogumentation
#hugo.
Easily rewriting Git URLs from HTTPS to SSH and vice versa (2 mins read).
How to use Git's config to rewrite HTTPS URLs to SSH and vice versa, for repo pushes and pulls.
by Jamie Tanna
.
#blogumentation
#git.
Verifying Signed JWTs (JWS) with Node.JS (3 mins read).
How to use the jsonwebtoken and node-jose libraries to verify the signature of a Signed JSON Web Token (JWS) with Node.JS.
by Jamie Tanna
.
#blogumentation
#nodejs
#command-line
#jwt
#json.
Performing a No-Op with chef-client using JSON (2 mins read).
How to perform a chef-client run without executing anything.
by Jamie Tanna
.
#blogumentation
#chef.
Using git worktree to have multiple branches checked out at once (4 mins read).
How to use git worktree to check out multiple Git branches from the same repo at once.
Using Git refs to help track your GitLab Environments, from your local repo (2 mins read).
How to pull the Git refs that GitLab Environments exposes in your GitLab repo.
by Jamie Tanna
.
#blogumentation
#git
#gitlab
#review-apps
#git-ref.
Using Git refs to check out GitHub Pull Requests, from your local repo (2 mins read).
How to pull the Git refs for Pull Requests to your GitHub repo.
Using Git refs to check out GitLab Merge Requests, from your local repo (2 mins read).
How to pull the Git refs for Merge Requests to your GitLab repo.
Performing Code Review on Your own Merge/Pull Requests (4 mins read).
Why the first step to getting others to review your code is to review it yourself.
Pretty Printing JSON using Node.JS on the Command Line (1 mins read).
Using Node.JS's JSON module to pretty print JSON objects from the command line.
by Jamie Tanna
.
#blogumentation
#nodejs
#json
#pretty-print.
Automating Promotion of Jekyll Posts from Draft to Post (2 mins read).
The handy script I've created to automate publishing a draft in Jekyll, with handy Zsh + Bash autocomplete.
by Jamie Tanna
.
#blogumentation
#automation
#jekyll
#zsh
#bash
#shell.
Converting X.509 and PKCS#8 .pem file to a JWKS (in Node.JS) (2 mins read).
Converting X.509 and PKCS#8 files to JWKS format, using the node-jose library.
by Jamie Tanna
.
#blogumentation
#pki
#nodejs
#x509
#pkcs8
#pem
#jwks.
Using git commit --fixup= to track changes that need to be applied on top of another commit (4 mins read).
Using git commit --fixup= and git rebase --autosquash to easily track and squash fix commits.
by Jamie Tanna
.
#blogumentation
#git.
TYKJS Middleware Gotcha When Base 64 Decoding Data (3 mins read).
How to workaround the Failed to base64 decode: illegal base64 data at input byte error when trying to use b64dec in TYKJS middleware.
by Jamie Tanna
.
#blogumentation
#tyk
#tykjs
#unit-testing
#testing
#javascript
#nodejs.
Unit Testing Your TYK (TYKJS) Middleware (6 mins read).
Writing unit tests (in this case using Jasmine) for the TYK API Gateway's JavaScript middleware functionality.
by Jamie Tanna
.
#blogumentation
#tyk
#tykjs
#unit-testing
#testing
#javascript
#nodejs.
How to run tests from the ChefDK in Docker (6 mins read).
How to get up and running with the ChefDK to perform common tests, such as unit tests and linting.
Using Fake Cookbooks for Writing ChefSpec Tests for your Custom Chef Resources (3 mins read).
A directory structure I've found quite useful for writing ChefSpec tests for custom resources, by creating a fake cookbook within the cookbook you're testing.
by Jamie Tanna
.
#blogumentation
#chef
#custom-resource
#chefspec.
Creating a versionable, self-contained (fat-/uber-) JAR for Gatling tests (17 mins read).
Why you'd want a fat JAR for your Gatling tests and how you'd achieve it.
by Jamie Tanna
.
#blogumentation
#java
#gatling
#testing
#jar
#artifact
#artefact
#maven
#uber-jar.
Tweaking Gatling HighCharts Response Time Bounds (3 mins read).
How to configure the bounds that Gatling marks your response times within for console output and graphing purposes.
by Jamie Tanna
.
#blogumentation
#gatling
#gatling-highcharts.