Linux

WOL broken after updating NetworkManager to 1.0.6

Some time ago I noticed that I could no longer boot a remote machine via Wake-on-LAN. This annoyed me quite a bit, as the machine was 2100km away and there was nobody at that location who could boot it for me. I really had no clue why it stopped working. So when I recently arrived at the location again, I started looking into it. Everything I had previously configured was still in place.

The BIOS option Power On by PCIE devices was enabled, and I still had this in /etc/local.d/wol.start:

#!/bin/sh

ethtool -s eth0 wol g

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Automatically unlock SSH keys at login with kwallet, kwallet-pam and ksshaskpass

 Since I hate typing passwords all the time, I looked for a way to automatically unlock my SSH keys at login. This guide focuses on KDE Plasma 5 and SDDM, but it should be easy to implement it for KDE Plasma 4 and other display managers as well.

1. Start ssh-agent during login. This can be done in /etc/plasma/startup/agent-startup.sh.

2. Install and enable the kwallet PAM module to automatically unlock your KDE wallet during login.

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Polkit requesting root password to suspend after updating from version 0.112 to 0.113

A few days ago, polkit version 0.113 was marked stable on Gentoo amd64. Since the update, I could no longer suspend my system without entering the root password. Quite annoying, especially for a laptop.

When canceling the polkit dialog, this appeared in the journal (yes, I am using systemd):

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Dell XPS 13 touchpad issue

As I already mentioned in my previous post about the XPS 13, I had issues with the touchpad: it freezes rather frequently, because it looses sync a lot. After losing sync for a few times, the psmouse driver issues a reconnect request. And when that happens, the touchpad freezes.

It looks like this in the kernel log:

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