Tag: Blog Post

One to read: “More productive Git”

If you’re often doing “git” things, and you’ve mastered the git add README.md ; git commit -m 'Added readme' ; git push origin cycle, then these steps might help you.

One to read: “Testing Ansible roles with Molecule”

This is a good brief summary of Molecule – the default testing product for Ansible (it’s now a product that the Ansible project maintains). This post also makes reference to TestInfra which is another project I need to look in to.

TestInfra really is the more interesting piece (although Molecule is interesting too), because it’s how you check exactly what is on a host. Here’s an example snippet of code (from the front page of that site’s documentation):

def test_passwd_file(host):
    passwd = host.file("/etc/passwd")
    assert passwd.contains("root")
    assert passwd.user == "root"
    assert passwd.group == "root"
    assert passwd.mode == 0o644


def test_nginx_is_installed(host):
    nginx = host.package("nginx")
    assert nginx.is_installed
    assert nginx.version.startswith("1.2")


def test_nginx_running_and_enabled(host):
    nginx = host.service("nginx")
    assert nginx.is_running
    assert nginx.is_enabled

See how easily this clearly defines what your server should look like – it’s got a file called /etc/passwd owned by root with specific permissions, and that the file contains the word root in it, likewise there is a package called nginx installed at version 1.2 and also it’s running and enabled… all good stuff, particularly from an infrastructure-as-code perspective. Now, I just need to go away and test this stuff with more diverse backgrounds than just a stock Ubuntu machine :)

One to read: “Using Ansible for system updates”

Thinking of using Ansible to perform your system updates for you? Well, why not take a look at this. I’ve been using a fabric script to do stuff like this for projects I’m involved in, but this looks a lot more sensible than what I was doing. Thanks Redpill Linpro!

As a result of this post, I’ve now updated that playbook (using more current modules) to a slightly cleaner version without load balancer updates! That playbook is on my Github Repository.

One to read: “More than 46k people participate in Hacktoberfest 2018”

The fifth-annual Hacktoberfest, the month-long event that encourages people around the world to contribute to open source projects during October, was a tremendous success.

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One to read: “The Marketing Ivory Tower Trap cartoon | Marketoonist | Tom Fishburne”

As marketers, it’s easy to lose touch with what consumers and customers actually experience with our brands. In the bubble of our marketing offices, writing strategy decks and brand architecture documents, we sometimes over-inflate the role our brands play in peoples’ lives.

via The Marketing Ivory Tower Trap cartoon | Marketoonist | Tom Fishburne

I find that most brands are like this nowadays…

 

 

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One to read: “Solo: the first open source FIDO2 security key. USB & NFC. by Conor Patrick — Kickstarter”

Interesting – YubiKey, but Open Hardware and Open Source. And, from the looks of things, cheaper too. I’m interested :)

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One to read: “An introduction to approachable threat modeling”

In this tale of two threat models, we explore how pairing our existing knowledge and experience with a few simple questions can help us build better systems and keep them safe.

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One to read: “Using HEREDOCs in bash to grep exit code details”

This accidentally included the content of the blog post I was recommending reading, and has been removed.

It explains how you could use HEREDOC blocks to automatically document your exit codes, and looked quite interesting.