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Notes from the field

Notes from the field

Are you A senior developer, or THE lead developer

Are you A senior developer, or THE lead developer

2022-07-06

In our world, we organise in Pods – an autonomous group of 6-9 people with all the skills needed to solve a problem. Multiple Pods form a Team. Within a Pod, there can be multiple Senior Developers, but only a single Lead Developer. They have different and overlapping responsibilities and accountabilities. Every project must have exactly one Lead Developer,…

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Uncategorised
Names change, and so do email addresses

Names change, and so do email addresses

2021-05-17

We’ve recently been rolling out a new internal application. At our organisation, users have an email address which is generally [email protected], or something like that. When a user logs in to the application, the app will look them up using their email address and figure out what parts of the application the user should…

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advice
The ‘two email rule’

The ‘two email rule’

2021-03-15

When i think back to the deepest of the many deep holes i’ve dug myself in to over the years, they almost all start with an email. When working through my inbox, it’s all too easy to just bash out a reply and hit send. Usually, that’s fine – a quick email is all…

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advice
How to: LetsEncrypt in standalone mode for Unifi on Ubuntu 20.04 LTS

How to: LetsEncrypt in standalone mode for Unifi on Ubuntu 20.04 LTS

2021-01-08

This is an update of my previous post, now that cert-manager is more mature, and i’ve rebuilt my server on Ubuntu 20.04 (from 18.04). install certbot install script to update unifi certificate Test Issue full certificate Install cron jobs to automate renewal Install certbot Certbot installation instructions are at online of course but here’s…

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how-to
Can you do that new job?

Can you do that new job?

2020-12-22

Generally when evaluating someone for a role, I look for 5 things: Behaviours – how do they operate in a team? Do they admit to mistakes and learn from them? Do they help others? Communicate and live to their personal values? Are those values ones I want people in the team to live to?…

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advice
Fix: AccessToKeyVaultDenied when using KeyVault with Function App application setting

Fix: AccessToKeyVaultDenied when using KeyVault with Function App application setting

2020-09-01

After following the instructions on the MS website to establish a KeyVault reference and place that in my App Settings, I set up a Managed Service Identity and grant that identity access to my KeyVault key. Next, wishing to follow Microsoft’s advice and secured a firewall around the KeyVault, ensuring that I checked the…

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fix
The 9 Ps

The 9 Ps

2020-08-26

I often have conversations with friends and colleagues about their careers. And many times, i point people to a great blog post by my colleague Liz Aab, about the “7 Ps”. But i always find myself adding two to the list, so i thought i’d just post it here. There are lots of factors…

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advice
Fix: This must be accepted explicitly before updates for this repository can be applied

Fix: This must be accepted explicitly before updates for this repository can be applied

2020-08-09

Some repos, such a the one for the Unifi Controller, use different ‘field’ values to tie a release and require manual updates. For someone like me who has a standalone, automated controller setup designed mainly to keep the firmware up to date without much intervention, this is a hassle. It looks something like this:…

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fix
Fix pyodbc.Error: (‘01000’, “[01000] [unixODBC][Driver Manager]Can’t open lib ‘ODBC Driver 13 for SQL Server’ : file not found (0) (SQLDriverConnect)”)

Fix pyodbc.Error: (‘01000’, “[01000] [unixODBC][Driver Manager]Can’t open lib ‘ODBC Driver 13 for SQL Server’ : file not found (0) (SQLDriverConnect)”)

2020-05-25

I was connecting from my macbook to a SQL Azure Database when i hit the following error: The solution was to install the ODBC driver, following the instructions on the Microsoft website:


fix
Fix: unable to kmem_alloc enough memory for scatter/gather list in ZFS Solaris 10.5

Fix: unable to kmem_alloc enough memory for scatter/gather list in ZFS Solaris 10.5

2019-12-19

The ZFS Pool on my server was showing degraded state. After checking the SMART status of the constituent drives and finding no problem, I discovered that there’s a bug in Solaris 10.5 where the system reports a growing number of errors and eventually fails the pool. dmesg shows an error unable to kmem_alloc enough…

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fix

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