Linux Tipps, Fixes & More

Your Linux Self-Help Desk. A selection of mostly Linux related tutorials, howtos, fixes, news and more.

Increasing Network Speed with the example of Raspberry Pi4 and Raspbian

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I could increase the maximum internet download speed of my Raspberry Pi4 running with the most current Raspbian 64 bit kernel from 60-70 MB...

Enable fstrim / TRIM / discard support especially for USB SATA disks in Linux

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If fstrim tells you "discard operation is not supported" on a usb disk then you may want to try this tip. I'm assuming you...

Fritz Box VPN mit Cisco und IKE-Fehler

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Hier zeige ich wie man eine Fritz Box mit einen Cisco-VPN verbinden kann. Damit könnte man grds. wohl auch VoIP über VPN bewerkstelligen. Ic...

Samsung Scanner in Your Network Despite Firewall With Manual Setup

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​To manually detect a Samsung network scanner with sane, you can try this method: echo 'tcp scx' | sudo tee -a  /etc/sane.d/xerox_mf...

Diverse Probleme mit der Fritz Box bei fehlerhaften VPN-Einstellungen

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Wenn man die VPN-Funktion der Fritz Box nutzt, sollte man regelmäßig prüfen, ob alle ausgehenden Verbindungen funktionieren. Denn nicht funk...

[Fix] Getting the MSI PE60 6QE (Skylake) to run Linux

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After lots of experimentation, it turned out that the best boot parameter so far (Ubuntu 16.10 alpha July 2016) is: pci=noacpi Otherwise (e....

Prioritizing System Services with Systemd - Run a Process Permanently in the Background

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If you simply want to adjust some priorities, here is how to do it in three steps. sudo systemctl edit [service] sudo systemctl daemon...

Removing all images with rkt

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Note this will remove all images, not just stale ones. Set rkt to point to your rkt binary. #!/bin/sh rkt="./rkt/rkt" images=...

Forward Wake on LAN packages bewteen networks with socat

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If you have two networks and you want to wake a machine in another from network it can be tricky because you can't always set the destin...

Fscking Precautions: Snapshots and the undo file

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If you have a badly corrupted filesystem, e.g. because you had back blocks on the hard drive, you have want to take some precautions to make...

Linux Raid: ignoring /dev/sdX as it reports /dev/sdY as failed

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The fix for this problem may be extremely easy. What happened is that some disks of the raid failed. They were ejected. This happens. But th...

Windows 7 Detects only Some of the CPUs added in KVM [Fix]

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If Windows XP, Windows 7, maybe even Windows 8 or later don't detect all your CPUs in KVM, you may need to change the settings. Windows ...

How to Dynamically Switch Between Uniprocessor and SMP during Windows XP boot

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If you're running Windows XP inside a Virtual Machine such as VirtualBox, Vmware or KVM, you may want to sometimes boot with only one ac...

The Ultimate Setup Guide for ownCloud on Small Systems such as the Raspberry Pi

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It took me about a year to collect this information. There are many guides, but all I found are incomplete. Here's the one guide to rule...

Accessing Public ownCloud shares via WebDAV

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Since ownCloud supports server to server sharing you can access public shares via webdav clients . You simply use the access token (t=...)...

Speeding up your ownCloud on small systems such as the Raspberry Pi with Sqlite

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I had seriously considered to use a raspberry pi system for setting up my ownCloud server. But the old pi had pretty much the same capabi...

Two ways to download your pictures from Picasaweb with Linux

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There is a nerdy and a simple way. The simple way is to use the google data export ("takeout") pages. You select your photos, cre...

How to change the volume with an active lock screen in android lollipop

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This works at least from my Samsung galaxy S4: you press the power button for a few seconds until you see the pop-up to turn off the device,...

Fixing Netflix Error Code: M7361-1254 on a Linux System

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If you get this error code there is an issue with the sound output. If you use pulse, kill the pulseaudio process. Then close the browser,...

How to Fix a common VirtualBox Segfault

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If you have a segmentation fault during the start of a VirtualBox machine, you are likely using an old, incompatible version of the VirtualB...
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