Logitech R400 remote presentation controller on Linux

Since long ago I had it in my mind getting one remote presenter, but most presenters just had two buttons, and the ones that looked to be valid for my use case, required four and seems that only Rii had similar devices, but I din’t went for it as it was not a huge need, so I ended up with a mini keyboard I had for Rasbperry Pi and some debugging in case I had that need....

April 1, 2022 · 3 min · Pablo Iranzo Gómez

Autofirma en Linux

Recientemente, estuve usando un ordenador que no utilizo con frecuencia, pero necesitaba poner una firma en un PDF (y la persona receptora no sólo quería ver la firma ‘digital’, sino tener una imagen ‘firmada’). Autofirma, descargable desde el portal de firma electrónica tiene por suerte una versión para Fedora en formato RPM y que permite realizar esta función. Lamentablemente, a pesar de haberlo instalado y que se instalaron algunas dependencias adicionales, el programa no arrancaba como correspondía....

September 9, 2021 · 1 min · Pablo Iranzo Gómez

imapfilter for Gmail

Until two weeks ago I was using an IMAP server (based on Zimbra) for my work email, but the date for migration to Gmail arrived with no choice to postpone… I was very tied to using my current setup, where: offlineimap was downloading all the email to a local maildir folder, imapfilter classified the email into folders based on local options mutt accessed the maildir folder for working with the emails a script to remove duplicate emails from disk imapdedup....

July 7, 2021 · 5 min · Pablo Iranzo Gómez

Geo replication with syncthing

Some years ago I started using geo replication to keep a copy of all the pictures, docs, etc After being using BitTorrent sync and later resilio sync (even if I didn’t fully liked the idea of it being not open source), I gave up. My NAS with 16 GB of ram, even if a bit older (HP N54L), seemed not to have enough memory to run it, and was constantly swapping....

June 12, 2021 · 3 min · Pablo Iranzo Gómez

How to check if a system is virtual

I was improving a playbook in Ansible and wanted to find a way to find if a system was virtual or not to decide about some tunning like setting tuned-adm profile virtual-guest or disable the power off when the lid is closed. After some research and try-except situations I got to this one that seemed to work (I had to tune it as one desktop machine was missing the /sys entry I was using before):...

May 10, 2021 · 3 min · Pablo Iranzo Gómez
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