x0nu11byt3

ELF Format Cheatsheet

Introduction

Executable and Linkable Format (ELF), is the default binary format on Linux-based systems.

Compilation

furkanusta

Common Warnings/Errors

The following notes are collected from my notes and previous semesters’ labs. I’ve removed some of the notes that were rare/specific, if you encounter a warning that is not written in here you can send me an email (you can find on Unilica) or write below this as a comment.

Most of the warnings in here, starts to appear as your code gets bigger. It is only natural for you to not understand all of the reasoning in here during the first few labs. If after getting a warning and reading here you believe that explanation in here is confusing, notify me so I can

jcberthon

NetworkManager WiFi Power Saving

NetworkManager supports WiFi powersaving but the function is rather undocumented.

From the source code: wifi.powersave can have the following value:

• NM_SETTING_WIRELESS_POWERSAVE_DEFAULT (0): use the default value
• NM_SETTING_WIRELESS_POWERSAVE_IGNORE (1): don't touch existing setting
• NM_SETTING_WIRELESS_POWERSAVE_DISABLE (2): disable powersave

nils-werner

[alias]
         between = !sh -c 'echo $1 $(git log --pretty=oneline ${2}..$1 | wc -l) ahead && echo ${2:-$(git name-rev --name-only HEAD)} $(git log --pretty=oneline $1..$2 | wc -l) ahead' -