baumi's blog

baumi's personal blog … Linux, OS X, Windows, Random things, …

MacBook Pro 9,1: Installing NVIDIA drivers on GNU/Linux Elementary OS without getting blank screen

To install proprietary NVIDIA driver: sudo add-apt-repository ppa:xorg-edgers/ppa sudo apt-get update sudo apt-get install nvidia-340 nvidia-settings sudo nvidia-xconfig sudo reboot — To go back to Nouveau driver #stop lightdm apt-get –remove purge nvidia* apt-get install –reinstall xserver-xorg-video-nouveau apt-get install –reinstall xserver-xorg-core update-grub reboot sudo apt-get install nouveau-firmware sudo dpkg-reconfigure xserver-xorg — Also have a look […]

Elementary OS “Freya” on Mid-2012 MacBook Pro 15″ – Improving battery life …

this blog entry is about elementary OS. #!/bin/bash echo ‘1’ > ‘/sys/devices/system/cpu/intel_pstate/no_turbo’; # disable turbo CPU speeds echo ‘1’ > ‘/sys/devices/system/cpu/intel_pstate/min_perf_pct’; # set minimum CPU speed echo ‘100’ > ‘/sys/devices/system/cpu/intel_pstate/max_perf_pct’; # set maximum CPU speed to 100% Screenshot: GNOME Power Statistics: #!/bin/bash echo ‘min_power’ > ‘/sys/class/scsi_host/host0/link_power_management_policy’; echo ‘1500’ > ‘/proc/sys/vm/dirty_writeback_centisecs’; echo ‘0’ > ‘/proc/sys/kernel/nmi_watchdog’; echo […]

Goodbye OSX – part #8: Apple’s declining software quality

Seems like we’re not alone 😉 … Besides our own experiences, the feedback from our customers, more and more people around the world are increasingly talking about the continuously declining software quality: “Apple’s hardware today is amazing — it has never been better. But the software quality has fallen so much in the last few […]

Debian GNU/Linux: Setting up autofs/sshfs/rsync/rsnapshot for Hetzner Storagebox backups:

1) set up sshfs public key authentification (sshfs connect wihout password): http://wiki.hetzner.de/index.php/Backup_Space_SSH_Keys/en 2) set up sshfs, autofs + rsync http://blog.no-panic.at/2015/04/14/my-backup-strategy/ troubleshooting: autofs with sshfs is working nicely for me. automounting the loop image inside sshfs was buggy for me, but actually isn’t necessary at all. – i’m simply using autofs/sshfs for mounting the storagebox, then […]

GNU/Linux Ubuntu LTS: Rename eth1 back to eth0 for onboard network lan card after swapping mainboard

When changing the mainboard, linux will detect the different MAC address from the onboard LAN and will create “eth1” while “eth0” will still be mapped to the LAN from the previous mainboard. simply sudo vi /etc/udev/rules.d/70-persistent-net.rules to comment out the old network card and rename the new one from “eth1” to “eth0”, then reboot …

Brutto-Netto-Rechner für Österreich 2016 (Arbeitgeber, Arbeiter und Angestellte)

Da wir selbst immer wieder einen Brutto-Netto-Gehaltsrechner brauchen, haben wir ihn nun kurzerhand in unserem Blog eingebaut: der kostenlose Lohnrechner für alle Bundesländer Österreich. Der Rechner rechnet beide Richtungen (von Brutto zu Netto und umgekehrt) und unterstützt auch die Personalkosten bzw. Berechnung der Lohnnebenkosten für Arbeitgeber in Österreich. Einfach alle Werte ausfüllen und auf Berechnen […]

Malware Analysis – CSCI 4976

This repository contains the materials as developed and used by RPISEC to teach Malware Analysis at Rensselaer Polytechnic Institute in Fall 2015. This was a university course developed and run soley by students, primarily using the Practical Malware Analysis book by Michael Sikorski and Andrew Honig, to teach skills in reverse engineering, malicious behaviour, malware, […]

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