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Mac software essentials

Well, after the Firefox Essentials, here’s my list of Mac essentials: LaunchBar Homebrew Firefox Beta Exact Scan Pro (scanner utilities for Mac are still … all bad, this is absolutely good and relatively the best. VueScan might be better for about 0.05% of all scans I do, but the usability could actually not be any […]

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My essential Firefox addons

… can be seen on the Firefox Addons page as collection 🙂 . The addon ecosystem of Firefox is what keeps me with it. And the way it’s done. One example: Mouse Gestures are available on Chrome, which seems to be a lot faster and smoother today :'( … but in FF, when I go […]

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jq stuff

Waah. In case I *ever* need this again. aws ec2 describe-security-groups | \ jq ‘.SecurityGroups | \ map(select(has(“Tags”))) | \ map(select(.Tags[].Key|contains(“Name”))) | \ .[] | \ [ .Tags , .GroupId ] | \ [ (.[0]|map(select(.Key==”Name”)))[0].Value, .[1] ] | \ join(“=”) ‘ What does it do? It makes a list $NAME_TAG=$GROUP_ID … for each security group […]

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Shortcut with “ö” (o-umlaut)

I want my clipboard history on CTRL-Ö. Don’t ask why. Here’s what you can enter in GNOME to get this: <Ctrl>odiaeresis

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Rancher IAM role

Rancher can create instances on EC2. If you want to define a dedicated IAM user for this, refer to the Amazon docs for the a profile template. Unfortunately the first thing you get when using those permissions in rancher is “You are not authorized”. Great. I’ll update this when I know the correct permissions. (Source: […]

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VPC with NAT to internet on AWS

… and other TLAs. Anyways, as far as I remember OpenStack does not need this, so I thought I document it here. I at least was surprised. Situation: You want a private network sement in the cloud (in my case an Amazon VPC), and you don’t want all hosts to be accessible from the internet. […]

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CI / CD solutions

Everyone wants free candy. Or a CI/CD solution, that … auto-deploys container-based servcies auto-updates (roll-forward, roll-back) those services on keypress and “triggers” has one-click-deployment of services. My definition of “service” here is “A set of containers working together in a certain way, automatically load balanced where needed”. Example: A n worker nodes, loadbalanced from a […]