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| | Total Hits: 11 | Today: 0 | Author: Angsuman Chakraborty | Rating:  |
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I am wading through tons of material to improve my knowledge of Linux networking in general and more specifically to configure our firewalls properly and routing for multiple uplink providers with traffic shaping and failover. My earlier attempt to shortcut with eBox failed so this time I am going all the way. Expect more articles on these arcane topics in the coming days.... |
| | Total Hits: 13 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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I started using dual monitors (SyncMaster 740N) on Linux (Fedora Core 6) about a month back on my new dream computer. I used GeForce 6200 LE with 256 MB RAM which provides for dual monitors with a VGA and DVI output. I had to use a DVI to VGA converter to attach the second monitor. Getting them to work was a pain on Linux. Finally I solved it with nvidia driver from Livna repository. Here is how I moved from single monitor to using dual monitors and then finally to triple monitors, the third one... |
| | Total Hits: 14 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Linux comes with automatic setup for dual-monitors like windows. However I found the gnome applet rather buggy and unusable. If you have been lucky in using it (look in System-Administration-Display) then you do not need to read further. However most likely you would still want to glance over the super simple setup for dual monitors on Linux / Fedora Core.... |
| | Total Hits: 13 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Mantis is popular php based defect tracking application which works on top of RDBMS like MySQL and PostgreSQL. Recently I ported our Windows based Mantis installation to Linux. It used MySQL as backend. Here are the steps:
1. Export Mantis MySQL database from Windows, upload it on Linux and then import it to MySQL database on Linux. You can find detailed instructions for exporting and importing MySQL database here.... |
| | Total Hits: 13 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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We are looking for a full-time Linux system administrator to manage our dedicated servers and our internal servers, computers and network. He will also have to manage the MySQL server and other servers in-house.... |
| | Total Hits: 7 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Fedora Core 6 has recently been updated to Kernel version 2.6.22.5-49. When you depend on compiled kernel modules, as in the case of nVidia drivers from Livna, you have to update them too. Livna does a nice job of providing updated drivers as soon as, or even earlier, Fedora repositories are updated. However with the recent release of Fedora Core 6, the Livna repository is presenting the kmod-nvidia driver version 100.14.19-1.2.6.22.7_57, which works only for Linux kernel version 2.6.22.7-57. So... |
| | Total Hits: 8 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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I am using Linux (Fedora Core 6) on a pretty high end hardware (at least when I bought it) - Intel Core 2 Duo E6600 Conroe 2.4GHz (4M shared L2 Cache) with 2 GB DDR2 RAM, nVidia dual-head graphics card for over a year now. And yet a simple change made it at least 20-40% faster. Even my firefox (with 100+ tabs always open) feels much faster. So what is this magic change?... |
| | Total Hits: 8 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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The Trashcan on your Fedora Core desktop (tested for gnome) is actually located in ~/Trash directory. So a simple commaond as below should clear your trash:
rm -rf ~/.Trash/*
Why did I need this?
There were some files in the Trash can which I didn't have permission to clean. Most likely I used some program with root permissions which moved files to the Trash.... |
| | Total Hits: 11 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Fedora Core team, in its infinite wisdom, decided to ship a so-called "free" (but essentially useless and crappy; pardon my French) JVM (read gcj) with its installation. Not only that this "free" JVM is integrated with java softwares from Fedora repositories making them pretty hard to use too. I think this is a ridiculous decision by the Fedora Core team. Anyway so we are stuck with ant which somehow, as if by magic, picks up the old gcj based Java compiler, even though I have installed JDK 1.6 ... |
| | Total Hits: 7 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Fedora Core 6 ships with Firefox 1.5.x version. Firefox 2.0.x is currently in development repository of Fedora Core 6. So the command to update to Firefox 2.0.x browser is:... |
| | Total Hits: 11 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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According to DesktopLinux.com's just completed survey, the number of Desktop Linux users has more than doubled in 2006, and Ubuntu remains the no. 1 Linux distribution of choice for desktop users. The survey comprised of a self-selected sample size of 38, 500 users.... |
| | Total Hits: 11 | Today: 0 | | Rating: |
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Do you know that Linux automatically scales CPU utilization depending on processing requirements? This reduces power consumption and heat. However there are situations when CPU scaling monitor cannot properly identify CPU requirements. In such cases you may want to manually stop cpu speed daemon and restart it later again if required. Here are the required commands:
How to disable on-demand cpu scaling on Linux
/sbin/service cpuspeed stop... |
| | Total Hits: 11 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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XMemo is an alternative to IPMsg (for Windows only) and claims to interoperate with IPMSg protocol. In short a quick messaging tool for intranet use.
The standard procedure, which doesn't work out of the box, to install it is to download the tar.gz file, uncompress it to a folder and execute the following:
./configure
make
make install... |
| | Total Hits: 8 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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Sometimes windows installers come with msi extension instead of regular exe extension. Such software can be installed with the msiexec command which comes with wine. For example to install a file setup.msi you will run:
msiexec setup.msi... |
| | Total Hits: 7 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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VLC Media Player is a leading player for displaying video on Windows & Linux. It supports a wide variety of formats. You can also use it to save the video to a file.
1. Open the video you want to save in VLC player
2. Go to File-Wizard (Ctrl-W)
3. Select Transcode/Save to file and click Next.
4. Click on Existing playlist item to choose your current stream. You can also select an unopened stream directly from here.... |
| | Total Hits: 14 | Today: 0 | Author: Angsuman Chakraborty | Rating: |
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This is a very important trick for Windows users. Though its fairly old still I thought of putting it up finally in case someone needs to copy the outputs of the DOS he is working on.... |
| | Total Hits: 14 | Today: 0 | Author: blog.taragana.com | Rating: |
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The cron daemon is a long-running process that executes commands at specific dates and times. You can use this to schedule activities, either as one-time events or as recurring tasks. And Crontab (CRON TABle) is a file which contains the schedule of cron entries to be run and at specified times. Now the question is, how do I find the crontab file in my Linux system? I searched for it in Google but this simple question wasn't answered simply at all. So I had to come out with an easy solution for... |
| | Total Hits: 7 | Today: 0 | Author: blog.taragana.com | Rating: |
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Most techies and developer prefer using the terminal on Linux. If you are like me a heavy command line interface (cli) user than you will find these simple tips useful.
How to speed up opening Linux terminal
Install roxterm. On Red Hat, Fedora, Cent OS or other yum based systems, it is as simple as:
yum -y install roxterm... |
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