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APT is a great package manager and there are several options to make upgrades more comfortable. Let me introduce you some. APT Configuration There are several configuration options for apt using /etc/apt/apt.conf.d/ In my case I enabled the periodic update schedule which will automatically update the package list, download upgrades but does not install them andRead more
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Instead of using the GUI you can simply use a SFTP client like Filezilla. This way you can download and upload any files. To do so open Filezilla and enter “sftp://server-ip” into the “Host” field. Then enter “Username” and “Password” and leave “Port” empty. If you use private key authentication add your key to FilezillaRead more
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Note: This is for a single host setup if you want to share the ups see https://herold.space/share-ups-using-nut-on-a-raspberry-pi UPS Setup Install the apcupsd daemon and configure it. UPS Calibration Lead-acid batteries lose capacity over time and after 3 to 5 years they need to be replaced. Therefore it’s important to calibrate them once a year. BeforeRead more
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Plex, Emby and Jellyfin can transcode media files on the fly so you can watch them in a browser and set the quality. However by default they use the CPU which adds a lot of overhead. All Intel CPU’s since Sandy Bridge released in 2011 have hardware acceleration for H.264 built in. So if yourRead more
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Overview of some services on my network. The setup is fully redundant as high availability cluster. Driven by open source and powered with renewable energy. Using Terraform, Cloud-init and Ansible for IaC. And K8s, Gitlab, Flux2 and Renovate for GitOps. Network Diagram DMZ Service Description Postfix, Dovecot, SpamAssassin Email Server with DKIM, DMARC, SPF, DANE,Read more
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Welcome on herold.space My name is Constantin Herold I’m a software engineer and this is my blog where I document some sysadmin, devops and dev stuff. Most posts are kept private ¯\_(ツ)_/¯ feel free to browse my docsRead more