Tag: Linux
November 28, 2008 by
Jason
Need a quick reference card? Here you have a list you can choose from:
1.Linux Command Line Tips
This is a linux command line reference for common operations (HTML format).
2.Unix/Linux Reference Card
Linux Reference Card published on FOSSwire website by Jacob. (PDF format)
3.One Page LInux Manual
A summary of useful Linux command by Squadron. (PDF format)
4.Linux Security Quick Reference
The intent of this Quick Reference Guide is to provide a starting point for improving the security of your system, to serve as a pointer to more in-depth security information, and to increase security awareness and methods that can be used to improve security. (PDF format) Read More»
Posted in Linux | 2 Comments »
November 08, 2008 by
Jason Every time a file is read from your Linux ext3 partition it writes back a attribute to the file detailing the last access time. There are very few programs that actually use this to operate and it slows everything down.
Disabling atime and diratime on your Linux ext3 file systems can improve disk performance up to 40%!
WARNING: If you are using programs such as tmpwatch, mutt, or mail-notify this configuration change could cause those programs that make specific use of atime not to work.
1. Start a terminal.
2. Switch to root using the “su -” command.
3. Backup your fstab – “cp /etc/fstab /etc/fstab.old”.
4. Open your /etc/fstab in the editor of your choice (nano, kate or gedit recommended). This can be done by issuing the command “nano /etc/fstab”, “kate /etc/fstab”, or “gedit /etc/fstab”. Read More»
Posted in Linux | No Comments »
October 20, 2008 by
Jason Microsoft has been sending out surveys to selected Windows users. There’s nothing unusual in that. It does it all the time, but this one is seeking opinions on a feature dubbed the ‘Instant On Experience’. You may recall that this is something several mini laptop makers have been dabbling with. Asus are one of the first with a system called Splashtop. The idea is that if all you want to do is collect you emails, or surf the net, why should you have to wait ages for Windows (or Linux) to load? Instead, at startup you can opt to run a super-small Linux based operating system, which only takes a second or two to load and gives you more or less immediate access to the web. Microsoft is clearly taking an interest in the feature, possibly for the upcoming Windows 7 (rumoured now to be called ‘Stratus), which is due to make its public appearance next year. The survey also asks respondents what other applications they would like to see fire up in a just a few seconds, now they’re asking, how about Windows…?
Posted in Linux, Windows 7 | No Comments »
October 03, 2008 by
Jason In just the first months of availability, Google Chrome Beta has made consistent inroads into the territory of Internet Explorer and Firefox. Both Microsoft’s IE and Mozilla’s Firefox started to see their audiences slip a little and ended up losing market share to the new browser from Google. In fact, so did Opera and Netscape with Safari left as the sole browser to gain market share. However, considering that Chrome is based on WebKit open source web browser engine also used by Safari, it is possible that some of Google Browser’s traffic to be in fact interpreted as Mac OS X’s native browser.
Market monitoring firm Net Applications revealed that Google Chrome’s usage share dropped after the initial surge. “Google Chrome usage share has been dropping since its launch, but has stabilized at about .7%,” the outfit stated. This in the context in which Chrome exploded to over 1% of the browser market, more than Opera. Still, at the end of September 2008, Chrome accounted for no less than 0.78% of the browser market, a performance by any standards considering that just a month before, it had 0%. Read More»
Posted in Internet | No Comments »
The Carnegie-Mellon University (CMU) made available a Firefox extension developed at their School of Computer Science and College of Engineering that improves security in Firefox by protecting against man-in-the-middle attacks. The extension, named Perspectives, is available only for Firefox 3 and works on Windows, Linux (32-bit) and OS X (Intel), with support for Linux (64-bit) and Open Solaris being in the experimental stage of development.
A man-in-the-middle attack is performed by intercepting the traffic between a user and a resource that he is trying to access. This can be achieved by exploiting several vulnerabilities, like the latest DNS cache poisoning or GMail accounts hacking incidents show.
When accessing a server resource using secure protocols like SSL or SSH, a correct identification of the server is required. This is achieved through digitally signed certificates. Due to the fact that certificates issued by trusted authorities like VeriSign are expensive, it became common practice for small businesses and websites to use self-signed certificates. Read More»
Posted in Firefox | No Comments »
Color blindness, sometimes called daltonism, is mostly a color vision deficiency. Colorblind people can’t tell the difference between some chromatic colors and as far as I know there are no tools on Linux OSes that can help them distinguish the hues. I use Ubuntu, and the colorblind applet is part of the gnome-mag package, but for some reason (and I have no idea why) the developers didn’t include it in the distro. So, basically, we’re gonna recompile the gnome-mag package, with the colorblind panel applet.
The following tutorial was tested on Ubuntu 8.04.1 with GNOME 2.22.3. Anyway, we are interested in the gnome-mag package version, so you should check yours right now! How? Open Synaptic (System -> Administration -> Synaptic Package Manager) and search for gnome-mag. You will see the version number on the ‘Installed Version’ column. Read More»
Posted in Linux | No Comments »
youtube-dl is a small command-line program to download videos from YouTube.com.
Install youtube-dl in Ubuntu
sudo aptitude install youtube-dl
This will complete the installation.
Using youtube-dl
Usage instructions are easy. Use youtube-dl followed by a video URL or identifier.
youtube-dl Example
youtube-dl “http://www.youtube.com/watch?v=foobar”
The video will be saved to the file foobar.flv in that example. As YouTube.com videos are in Flash Video format, their extension should be flv.Check this simple guide to convert .flv files to .mpg
Read More»
Posted in Internet, Linux | 2 Comments »
Firefox 3.1 codename Shiretoko Alpha 1 is available for download. The fully-fledged Alpha development milestone of the next version of Mozilla’s open source browser went live at the end of the past week. In this context, Mozilla managed to slip just a tad from its initial plans to make Alpha 1 available in mid-July. Firefox 3.1 only entered the code-freeze stage on Monday July 21, with the first build up for grabs on July 26. Still, Mozilla is moving full steam ahead to deliver the successor of Firefox 3.0 launched on June 17, downloaded over 8 million times just in the first 24 hours.
According to Mozilla’s own release criteria, Firefox 3.1 is meant to be nothing more than “generally usable for testing websites and features”. Developed under the codename Shiretoko, version 3.1 of Firefox has not, as of yet, officially been made available for download. Still, the Firefox 3.1 Alpha 1 bits were published to Mozilla’s FTP servers over the past weekend. Read More»
Posted in Firefox, Internet, Linux, Mac, Software | 2 Comments »
A download manager is a computer program designed to download files from the Internet,unlike a web browser, which is mainly intended to browse web pages on the World Wide Web (with file downloading being of secondary importance).
Download Manager Features
* Pausing the downloading of large files.
* Resuming broken or paused downloads (especially for very large files).
* Downloading files on poor connections.
* Downloading several files from a site automatically according to simple rules (file types,updated files, etc. – see also Offline Browser).
* Automatic recursive downloads (mirroring).
* Scheduled downloads (including, automatic hang-up and shutdown).
* Searching for mirror sites, and the handling of different connections to download the same
* file more quickly (Segmented downloading). Read More»
Posted in Linux | No Comments »
Firefox 3 one of the maximum downloaded open source browser which has set a Guinness world record. Their were Over 8,000,000 downloads in 24 hours!. Along with Firefox 3 Spreadfirefox also got new cool look.
Firefox 3 about:config file is the core configuration file of Firefox. By editing about:config file we can get amazing hacks for Firefox 3. Firefox allows the users to change many preferences in the about:config file so it’s totally ethical to do it.Here is list of 21 Firefox 3 hacks & tweaks.
To get the Firefox 3 configuration file type “about:config” at address bar.
Here is List of about:config hacks for Firefox 3 Read More»
Posted in Firefox, Internet | 9 Comments »
Loading ...
