Linux ScrewLinux ScrewLinux and Unix sysadmin blog, docs, tips, hacks and more. Articles
Bug #1 in Ubuntu
2008-06-06 15:21:00 By the way do you know what bug was posted by Mark Shuttleworth as a first and major one? Here it is (2004-08-20): Microsoft has a majority market share in the new desktop PC marketplace. This is a bug, which Ubuntu is designed to fix. Non-free software is holding back innovation in the IT industry, restricting ...
Why did Ubuntu become so popular? UbuntuCat?s point of view.
2008-06-06 14:57:00 Were you wondering why Ubuntu is Linux distribution #1 for new users (and not new) and how could it become so popular leaving behind such old-times like Mandriva, Linspire, Fedora and even Ubuntu’s ancestor Debian? I was. And as for me, I think that people stick to community rather than to technology… Do you agree? ... More About: Popular , View , Point
FAQ: How to disable directory browsing in apache/httpd?
2008-06-03 14:45:00 Question: How can I disable building of directory index in apache/httpd? In other words, how to prevent users from seeing the contents of published directories? Answer: Actually you are totally right that you wish to disable this feature. One of the "must do’s" on setting a secure apache web server is to disable directory browsing. Usually apache ... More About: Apache , Directory , Browsing
The Simpsons are made with Linux?
2008-06-03 12:14:00 Below are the quotes from rather interesting interview with Joel Cohen, writer and associate producer of The Simpsons . Joel is an Emmy award-winning writer and a keynote speaker at the Red Hat Summit this June. The Simpsons is usually described as satirical parody of the middle class American lifestyle epitomized by its titular family (wiki’s ... More About: Linux , Made
FAQ: How to select fastest APT server in Debian
2008-05-15 11:44:00 Question: I want to select APT repository server/mirror that is fastest for my location. How can I do it in Debian ? Answer: You can use application named as "netselect-apt" to get new sources.list file with fastest APT mirror. Install this application by command "sudo aptitude install netselect-apt" and run it in accordance with Debian distribution you ... More About: Server , Select
Download Fedora 9 today and get kernel 2.6.25 and ext4 for FREE! ;)
2008-05-14 16:12:00 As it was planned Fedora 9 (codename "Sulphur") is released today. As for me it wasn't such expected as Ubuntu Hardy Heron but it is still very important event in Open Source world. So, here is the list of new features in this version of RedHat sponsored Linux distribution: ... More About: Download , Free , Today , Kernel
FAQ: How to unload NIC driver (clear ifconfig counters)?
2008-05-13 14:40:00 Question: I want to reset counters in /proc/net/dev (also shown in ifconfig output as RX and TX bytes) and thus I have to unload network interface driver. How to do it? Answer: There are two commands in Linux CLI coming by default which would help to unload drivers: rmmod and modprobe. First of all it is ... More About: Driver , Clear , Counters
FAQ: Iptables rules on timely basis
2008-05-12 15:52:00 Question: How can I restrict/allow access to certain service on timely basis with iptables? For example restrict access to SSH between 7:00 pm - 8:00 am on weekdays? Answer: You are welcome to use iptables patch-o-matic extension (pom or p-o-m) that allows you to match a packet based on its arrival or departure (for locally ... More About: Rules , Iptables
FAQ: How to retreive hardware manufacturer name, serial numbers, etc. in Li
2008-05-10 14:49:00 Question: How can I get information about hardware manufacturer, model name, serial number, BIOS information using Linux command line (CLI)? Answer: You are welcome to use dmidecode which helps to get information about your system’s hardware as described in your system BIOS. That information typically includes system manufacturer, model name, serial number, BIOS version, asset ... More About: Hardware , Numbers , Manufacturer , Serial
FAQ: static routes after restart/reboot in Fedora/RedHat/CentOS
2008-05-09 11:17:00 Static routing is the term used to refer to the manual method used to set up routing. An administrator enters routes into the router using configuration commands. This method has the advantage of being predictable, and simple to set up. It is easy to manage in small networks but does not scale well. Question: How can ... More About: Fedora , Restart , Static
Why and how to migrate to ext4
2008-05-06 11:15:00 Ext4 is the latest in a long line of Linux file systems, and it’s likely to be as important and popular as its predecessors. As a Linux system administrator, you should be aware of the advantages, ... More About: Migrate
Real 10$ Wi-Fi antenna (Video)
2008-05-01 10:24:00 Why spend $100 or more on a Wi-Fi antenna when you can create your own one for $10? The following components are needed: 35-mm foam (like the kind desktop and laptop PCs usually come with) Solid-core copper wire Small brass plate Multiple BNC connectors Follow the instructions in the video: Related PostsDownload and convert YouTube video online and offlineVideo conference between ... More About: Real , Antenna
Mount your Flickr account as regular Linux drive
2008-04-30 16:34:00 Flickr is an extremely popular image/video hosting website, web services suite and an online community platform. It was one of the earliest Web 2.0 applications. In addition to being a popular Web site for users to share personal photographs, the service is widely used by bloggers as a photo repository. It hosts more than two ... More About: Linux , Drive , Flickr , Regular , Account
Install Ubuntu as Windows XP/Vista Application (with Wubi)
2008-04-30 16:04:00 Today it is possible to install Ubuntu Linux 8.04 (Hardy Heron) under Windows XP or Vista without necessity to create separate partition for it. The tool that allows to do it is called Wubi . Actually it is Ubuntu installer for Windows helping you ro install and uninstall Ubuntu with few clicks. Here is nice brief ... More About: Application
OpenBSD: Secure Mail Server with Postfix, MySQL, ClamAV, SpamAssassin, Amav
2008-04-17 10:23:00 Few days ago I started configuring corporate mail server that should be deployed on OpenBSD and comprise the following features: Easy to configure and powerful MTA (Postfix) Virtual domains and user accounts (this information is stored in MySQL database) Antispam and antivirus checking for all accounts (spamassassin and clamav via amavis-new) Secure access to mailboxes through POP3, IMAP and ... More About: Mail , Server , Mysql , Clamav
ptunnel: send/receive TCP traffic via ICMP reliably
2008-04-10 22:36:00 Yes, it can be useful sometimes. For example, you have access to Wi-Fi network but you're not allowed to access Internet via TCP/UDP as these protocols are blocked. At the same time ICMP is opened and you can ping everything alive in Internet. So, to check your email just have ptunnel installed and work around ... More About: Traffic , Send
Tiny perl script for UDP flooding
2008-04-10 22:05:00 Sometimes it is necessary to perform UDP flood towards some network device(s) in order to test its behavior in stress… Actually I am sure that every system administrator might use this small perl script for this purpose. Certainly there are many special programs for this but believe me that it is much more easier ... More About: Perl , Script , Tiny , Flooding
Copy files from Windows or Mac to Linux safely
2008-04-07 16:32:00 Many systems administrators of LAN and WAN networks, which contain Windows , Mac and Linux hosts, once face the problem on how to securely transmit some data between these systems. It is always possible to use SCP when copying files between two Unix machines but what if you have to move files from Windows PC to ... More About: Files , Copy
Nagios installation and configuration in SUSE Linux
2008-04-07 13:57:00 As we know Nagios is extremely popular open source network monitoring system. It watches hosts across the local area network (LAN) and/or across the Internet, services that you can specify, alerting you when things go bad. The following step-by-step guide written by Novel people (actually by Rainer Brunold) for sure would help if you plan ... More About: Linux , Configuration , Suse
10+ advices BEFORE you rebuild Linux kernel
2008-03-04 23:40:00 Many Linux newbies think that kernel recompilation is inherent and almost necessary thing to do after OS is just installed or some time later. By the following advices I would try to show these fellows in which situations this really makes sense and what to do if one persists 1. If you don't know ... More About: Kernel
Dell offers new Ubuntu preinstalled laptop XPS M1330
2008-01-24 10:17:00 Dell position XPS M1330 as one of the thinnest and lightest notebooks in its class, as really portable notebook (weight is under 4 pounds or 1.8 kg). On January 23, 2008 it was announced that Spain, Germany, France, UK consumers can purchase this notebook with Ubuntu 7.10 Linux pre-installed. As usually announcement was made ... More About: Laptop , Dell , Offers
Fun: Windows vs. Linux for toasters
2008-01-18 23:11:00 Last week both systems Microsoft Windows Vivid Toasting Technology (VTT) 2008 Starter Edition and Heatu Linux 9.06 (Dainty Toast) were released for modern toasters. Yesterday Linux Screw has an opportunity to test both and the results were demonstrated at the Annual Bread Valley Conference at Jan 17 2008 in Texas, USA. Reactions were mixed as Heatu Linux 9.06 and Windows VTT went head-to-head. Related PostsFun: How To Make Windows look like Ubuntu LinuxInstall Debian Linux from Microsoft WindowsSwitching from Windows to Linux help resourceInstall iTunes 7.2 in Ubuntu and other Linux distrosKeep files at Linux/Windows/Unix synchronized with Unison More About: Toasters , Aster
10 good Unix habits to pick up
2008-01-17 22:59:00 as usual provides us with excellent article about good habits which would help Unix administrators to improve their command line usage efficiency and break away from bad usage patterns in the process. I was impressed by this article and realized my everyday CLI usage is full of "bad patterns". Nice point to give up them ... More About: Habits , Good , Pick , Habit
Sun acquires MySQL AB
2008-01-16 14:53:00 Exciting news was published today at Jonathan Schwartz' (Chief Executive Officer and President of Sun Microsystems) blog: We announced big news today - our preliminary results for our fiscal second quarter, and as importantly, that we're acquiring MySQL AB. … This puts products like MySQL in an interesting position. They're a part of every web company’s infrastructure, ... More About: Mysql
Linux + 532Mhz CPU + 128Mb RAM + audio/video + Wi-Fi = Photoframe! Huh?
2008-01-16 00:02:00 One of my favorite sites recently published entertaining brief article about Linux -based device. Just imagine photoframe with 0.5 Ghz CPU, 128 Mb RAM, up to 16Gb SD memory, MP3/MPEG-4 playback and Wi-Fi. Huh? No jokes, it’s upcoming Agfaphoto’s AF5080W product and below are it’s specs! Processor -- Freescale i.MX31 SoC with ARM11 core clocked at 532MHz Memory -- 128MB; 5-in-1 memory card reader supporting up to 16GB SD Display -- 8-inch, 800x600 SVGA Images -- JPEG, GIF, PNG, WMF Audio -- MP3, WMA Video -- H.264 AVI, MJPEG, MPEG-4 (and via networked STB, MPEG 1 and MPEG-2) I/O -- WiFi, USB Features -- slideshow, clock, calendar, alarm, and remote control Frame -- tripod base with three interchangeable veneers: brushed aluminium, black plastic, and wood effect As for me, I was impressed and little bit confused: I have internet gateway/proxy with lesser hardware running in our office! That server can't do animation-enhanced slideshow, doesn't have calendar, alar...
Slackware + NetBSD = VoltaLinux
2008-01-13 12:57:00 VoltaLinux is a GNU/Linux distribution based on Slackware and includes pkgsrc package system from NetBSD. Recently this project released 2.0 version of their distro where any system administrator can enjoy the clean design of Slackware and power of *BSD with the availability of more than 5900 ports ready to be installed. Basically VoltaLinux ... More About: Alinux
KDE 4 Era begins
2008-01-11 18:39:00 Today it was announced that KDE 4.0 is finally released and as it was proudly noted in press release, with this major version the KDE Community marks the beginning of the KDE 4 era. K Desktop Environment was created in 1996 by Matthias Ettrich, who was troubled by UNIX certain aspects and proposed the formation of ...
Secure Linux/Unix system that runs OpenSSH
2008-01-11 00:11:00 I came across invaluable article on how to make Linux system that runs OpenSSH server to be even more secure. It’s written by 17-year-old (!!!) Peter Upfold from FOSSwire and covers the following simple steps: Disable SSH protocol 1 Enable key-based logins Don?t enable password-based logins Don?t run on port 22 No remote root logins I found these tips invaluable and ... More About: System , Unix , Secure , Runs
Linux Foundation Podcast: Linus Torvalds
2008-01-08 21:39:00 This one is the first podcast from Linux Foundation ’s series "Open Source Visionaries". And it’s normal that it’s Linus Torvalds interview Podcast is now available in MP3 and OGG at LF’s Open Voices page. Transcript is here. Jim Zemlin: You don?t love the kernel community, do you? Linus Torvalds: Well, some people I worked with, I ...
Free Ubuntu 7.10 Desktop Course is available
More articles from this author:2008-01-08 21:09:00 I love Ubuntu ! Today free Ubuntu 7.10 Desktop Course became available on Ubuntu Wiki as two pdf files: for students and instructors. Here are few points about this course: There are 10 lessons in total with the last lesson covering Partitioning and Booting optional. The course is modular - 2 days if all lessons are ... More About: Free 1, 2, 3, 4, 5, 6, 7 |
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