Solene's % gemini capsule - a gemini tech blog

Welcome to my gemini tech capsule. I like to learn and share stuff with people. My interests are '(OpenBSD Qubes OS security Lisp cmdline Gaming). I _love_ % and lambda characters. Qubes OS core team member, former OpenBSD developer solene@. Pronouns she/her. No AI involved.

Contact me: solene (IRC libera.chat) / solene at dataswamp dot org / solene@bsd.network (mastodon)

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My posts

2025-08-29 URL filtering HTTP(S) proxy on Qubes OS
2025-08-03 Introduction to Qubes OS when you do not know what it is
2025-05-31 How to trigger a command on a running Linux laptop when disconnected from power
2025-03-09 PDF bruteforce tool to recover locked files
2025-01-12 Introduction to GrapheneOS
2024-12-18 Presentation of Pi-hole
2024-12-07 Getting started to write firewall rules
2024-11-02 Self-hosted web browser bookmarks syncing
2024-10-19 Using a dedicated administration workstation for my infrastructure
2024-10-19 Securing backups using S3 storage
2024-10-04 Asynchronous secure file transfer with nncp
2024-09-12 I moved my emails to Proton Mail
2024-08-31 How to use Proton VPN port forwarding
2024-08-14 Emails encryption at rest on OpenBSD using dovecot and GPG
2024-07-24 Full-featured email server running OpenBSD
2024-07-02 WireGuard and Linux network namespaces
2024-06-08 OpenBSD extreme privacy setup
2024-05-24 Improve your SSH agent security
2024-04-27 OpenBSD scripts to convert wg-quick VPN files
2024-04-20 A Stateless Workstation
2024-03-30 Lessons learned with XZ vulnerability
2023-12-31 OpenBSD workstation hardening
2023-12-24 Qubes OS backup transfer from old to new computer
2023-11-03 Run your own Syncthing relay server on OpenBSD
2023-10-18 Run your own Syncthing discovery server on OpenBSD
2023-10-04 Port of the Week: Presenting Syncthing
2023-09-24 Firefox hardening with Arkenfox
2023-09-08 How to add pledge to a program in OpenBSD
2023-08-05 Authenticate the SSH servers you are connecting to
2023-06-22 Ban scanners IPs from OpenSMTP logs
2023-06-17 Why one would use Qubes OS?
2023-06-17 Using git bundle to synchronize a repository between Qubes OS dom0 and an AppVM
2023-06-16 OpenKuBSD progress report
2023-06-06 OpenKuBSD design document
2022-12-01 Authentication gateway with SSH on OpenBSD
2022-11-20 Automatic prompt to unlock remote encrypted partitions
2022-11-17 Hard user separation with two NixOS as one
2022-10-06 A NixOS kiosk
2022-10-02 Extending fail2ban on NixOS
2022-09-29 Automatically ban ports scanner IPs on NixOS
2022-09-25 How to trigger services restart after OpenBSD update
2022-08-03 Creating a NixOS live USB for a full featured APU router
2022-07-23 How to use sshfs on OpenBSD
2022-07-19 How to use Docker from a Linux host system to escalate to root
2022-04-23 Routing a specific user on a specific network interface on Linux
2022-01-13 Harden your NixOS workstation
2021-12-20 Restrict users to a network interface on Linux
2021-12-16 OpenVPN on OpenBSD in its own rdomain to prevent data leak
2021-07-30 Automatically lock screen on OpenBSD using xidle and xlock
2021-07-25 OpenBSD full Tor setup
2021-06-12 How to use Tor only for onion addresses in a web browser
2021-05-09 Introduction to security good practices
2021-03-21 Securely share a secret using Shamir's secret sharing
2021-02-14 What security does a default OpenBSD installation offer?
2021-02-14 Firejail on Linux to sandbox all the things
2021-02-06 Filtering TCP connections by operating system on OpenBSD
2021-02-06 Enable multi-factor authentication on OpenBSD
2021-01-14 Vger security analysis
2019-09-06 GPG2 cheatsheet
2018-11-08 Safely restrict commands through SSH
2018-10-11 Tor part 2: how to setup a hidden service
2018-10-10 Tor part 1: how-to use Tor on OpenBSD
2017-03-17 How to check your data integrity?
2017-01-20 Let's encrypt on OpenBSD in 5 minutes
2016-10-19 Port of the week: dnscrypt-proxy
2016-08-12 Port of the week: pwgen
2016-07-04 Stop being tracked by Google search with Firefox