"The certificate is not trusted because no issuer chain was provided." Error with SSL + Nginx
If you use Nginx with SSL and get an intermediate certificate with your certificate you have to do this:
cat /path/to/intermediate/certificate >> /path/to/certificate
Related cards:
RestClient / Net::HTTP: How to communicate with self-signed or misconfigured HTTPS endpoints
Occasionally, you have to talk to APIs via HTTPS that use a custom certificate or a misconfigured certificate chain (like missing an intermediate certificate).
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The JavaScript Object Model: Prototypes and properties
Speaker today is Henning Koch, Head of Development at makandra.
This talk will be in German with English slides.
Introduction
As web developers we work with JavaScript every day, even when our backend code uses anothe...
Files open with an error "the location is not a folder" after installing XFCE
When using gnome-open (i.e. double-clicking a file, telling to browser to open a download, etc.) on Ubuntu you may get this error:
The location is not a folder.
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PSA: When Redis (on LRU noeviction) reaches memory limits, keys with (any) expiry are removed, and keys without are not
In production, you (or your ops team) should configure a maximum number of bytes that Redis can use to store data (maxmemory setting).
They may even want to set maxmemory-policy to noeviction to avoid keys being removed that you want to keep...
The Ruby Object Model
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Security issues with hash conditions in Rails 2 and Rails 3
Find conditions for scopes can be given either as an array (:conditions => ['state = ?', 'draft']) or a hash (:conditions => { 'state' => 'draft' }). The later is nicer to read, but has horrible security implications in some versions of Ru...
Async control flow in JavaScript: Promises, Microtasks, async/await
Slides for Henning's talk on Sep 21st 2017.
Understanding sync vs. async control flow
Talking to synchronous (or "blocking") API
print('script start')
html = get('/foo')
print(html)
print('script end'...
RSpec: Leverage the power of Capybara Finders and Matchers for view specs
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Check SSL certificates
Installing SSL certificates usually implies additionally using intermediate certificates. If one of them is missing, some SSL client implementations might fail with failures such as
curl
~ curl -v https://host-to-check
curl: (60) SSL...