Category: SysAdmin

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Ansible: Split A String By Length

This is something I needed to allow me to push a base64 encoded certificate into A Cisco ASA, but there was buffer limit on the input ERROR: Input line size exceeded available buffer (510...

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How to delete a pipeline in Gitlab

As of this writing (v12.1), GitLab still don’t have way to delete pipelines in its web UI, and you can’t control how many pipelines to keep, so yo may end up with a bunch...

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Using gpg (1.x) with gpg-agent (v2.x)

If one needs to sign/encrypt multiplies files and the PGP key is encrypted, they can use the gpg-agent to keep the key accessible for some period of time and enter the password once. For...

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Laravel & Lumen with Informix DB

I was looking to try and work with Lumen to create a API frontend for few services we have, and the problem I had was to make Laravel/Lumen to work with Informix DB. I...

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Automated SSL/TLS Cert in CVP

Although CloudVision runs on CentOS 7 and uses nginx as a front end for the services, you can’t just use letsencrypt to issue a cert, as it seems like CV will overwrite it each time....

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Running Java GUI application in Docker

This is a more specific use case of running GUI application with Docker, the procedure is pretty simple (and most option are common for most GUI application), You mount the UNIX socket for the...

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Ansible and ControlMaster file naming

This is a short story of how Ansible and SSH (using the default `ControlMaster` path format) bite me. Lets take this network layout for example, where we have the same IP behind different machines....