APT Upgrade Handling Tweaks

Read time 2 minutes

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

Proxmox Upload ISO Using SFTP

Read time < 1 minute

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

APC UPS Setup and Calibration

Read time < 1 minute

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

Proxmox LXC Intel Quick Sync Transcode for Plex

Read time < 1 minute

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

Network Overview

Read time 2 minutes

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. Network Diagram DMZ Service Description Postfix, Dovecot, SpamAssassin Email Server with DKIM, DMARC, SPF, DANE, Sieve Nextcloud, Collabora Cloud With Mail, Calendar, Contacts, Notes, Tasks, Online Editing of Documents Gitlab,Read more

Welcome

Read time < 1 minute

Welcome on herold.space My name is Constantin Herold I’m a full-stack developer 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

1 2