Linux/Documentation/cpu-freq/cpufreq-stats.txt. Linux Hotplug Project. HowTo/CpuFrequencyScaling. Translation(s): English - Русский Dynamic CPU frequency scaling (also known as CPU throttling) is a technique in computer architecture where a processor is run at a less-than-maximum frequency in order to conserve power (src: Wikipedia).
The Linux kernel CPUfreq subsystem provides this ability on Debian Linux systems. Enabling Note: In most cases, this should be enabled automatically during Debian installation. Install the cpufrequtils package: aptitude install cpufrequtils Configuration Specify the governor to use at boot Edit /etc/default/cpufrequtils (you might need to create it if it doesn't exist) . # valid values: userspace conservative powersave ondemand performance # get them from cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors GOVERNOR="conservative" Keeping the governor settings between boots Install sysfsutils: aptitude install sysfsutils.
Well, let me tell you a story. Not long ago we had a problem where I used to work. There was a shared drive on one of our file servers that kept getting full. I won't mention that this legacy operating system did not support user quotas; that's another story. But the server kept getting full and stopping people from working. Du -s * | sort -nr > $HOME/space_report.txt Graphical user interfaces (GUIs) are helpful for many tasks, but they are not good for all tasks.
I once heard an author remark that when you are a child you use a computer by looking at the pictures. The Linux Cookbook: Tips and Techniques for Everyday Use - Viewing Text. Dealing with textual matter is the meat of Linux (and of most computing), so there are going to be many chapters about the various aspects of text.
This first chapter in this part of the book shows how to view text on your display screen. There are many ways to view or otherwise output text. When your intention is to edit the text of a file, open it in a text editor, as described in Text Editing. Some kinds of files -- such as PostScript, DVI, and PDF files -- often contain text in them, but they are technically not text files. These are image format files, and I describe methods for viewing them in Previewing Print Files. NOTE: To learn how to browse files and their contents in a Web browser, see Browsing Files. How To Install Software in Linux - Linux Forums. Linux Toolkit - A Tool 2 Cool 4 U. Linux Toolbox Back to Contents Ah, the Linux Toolbox.
Remember the Acme Toolkit? Well, this is 10 times better. Guaranteed to catch the RoadRunner! I will be updating the toolbox as I'm made aware of new tools. Nc (netcat) Yup, the ol' tried and true swiss army knife of networking - netcat. Cryptcat Well, improving upon netcat we have cryptcat. Stunnel Very similar to netcat and cryptcat, but stunnel uses SSL to encrypt the data. OpenSSH Hopefully no one is using Telnet anymore. Nmap Another classic from days past . . . nmap (Network Mapper). Cheops Another very cool tool for mapping networks.
Dsniff A very sick collection of tools for network auditing and pen-testing (and a favorite among those rogue employees!). Firewalk Firewalk is a useful tool for assisting in the determination of ACLs on network gateways and in mapping networks. Linux: Install a million games in one click! Linux: Install a million games in one click!
Updated: December 16, 2009 Well, not really a million, but how about tens or hundreds? Good enough for you? Today, we will talk about two extremely useful applications that allow to you search for hundreds of games that run on Linux, sorted by category, popularity, license, or price, read game synopses, check out the screenshots, and then, should you decide that you like some of them, install them with a single mouse click. Do you know what this means? Djl homepage djl is an open-source game manager for Linux, written in Python and inspired by Steam Valve for Windows.
Get djl The first thing you will have to do is download the installer script from the website. Tar zxvf <archive-name> cd <extracted-archive-dir> chmod +x djl.sh . When you run the script the first time, if you do not have the Python framework installed, you'll get an error. Xentheon - where is my mind. 25+ Useful Linux and Unix Cheat sheets.
Faster programming gives you more time for small business website design and other projects. This is my first post on Cheat sheets. Actually Cheat sheet is a concise set of notes used for quick reference. Cheat sheets will contain most of the shortcuts needed to program faster. And it is meant for newbie users who can’t remember the shortcuts or commands. In this post , I have collected almost 27 Cheat sheets available for Linux users. You may think that one cheat sheet is just enough for me , so why should I need to look at so many cheat sheets. Click on any of the 687 commands below to get a description and list of available options. Tired of using your mouse so much? I hope that these cheat sheets will definitely help you to remember some difficult commands for sure. Boot and run Linux from a USB flash memory stick.