March, 2009
How to check the version of a Linux OS
Console Command: uname -a is a linux command that will output useful information about your linux distribution, kernel version, cpu information and more. Example Output Linux computerName 2.6.22.18-desktop-1mdv #1 SMP Mon Feb 11 13:53:50 EST 2008 i686 Intel(R) Pentium(R) 4 CPU 3.40GHz GNU/Linux
How to clear the cache from memory in Linux System
I am having 4 gb of ram in my production systems. and normally after 24 hours my nagios gives warning for insufficient memmory. when we check systems ,it always shows the memory in cache. So we normally reboot the system to clear the cache from the memory till we find the following command. Linux Command [...]
How to Optimize and repair all mysql databases at once
There is a really handy MySql utility called mysqlcheck that allows you to do a number of actions to all databases on your mysql server at once. I am writing this specifically for Linux, but I’m sure windows and Unix versions are very similar if not exactly the same. Run this command as root Repair [...]
Linux Command Line Cheat Sheets – The ultimate collection
This is a compilation of approx 70 cheat sheets for Linux users. There are a grip load of commands that Linux users have at hand which can seem very daunting to a novice. This collection will make Linux just a little less of a headache to learn. Suggestion: Look through all of them and then [...]
Excel@Japanese! – The Japanese Language Proficiency Test or general reading fluency
Excel@Japanese is a new way to learn vocabulary and Kanji quickly to prepare you for all levels of the Japanese Language Proficiency Test or general reading fluency. Download the Excel@Japanese spreadsheet to learn up to 7000 Japanese words and their Kanji Features Covers all Kanji vocabulary words from all JLPT levels. We will be adding [...]
India ranks 115th in net connection speeds, says report
Giving a clear indication of poor broadband penetration in the country, India has been ranked 115th among 223 countries in terms of average internet connection speeds. This State of the Internet report is in the latest quarterly study by Akamai Technologies, the US-based internet content distribution giant. India, says the report, has an average internet [...]
How to get Microsoft DLL Help
This database contains information about DLL files that are included with selected Microsoft products. DLL Help exists to help developers, system administrators, and other IT professionals who face file version conflicts with Microsoft software. Use DLL Help to identify the software that installed a specific version of a DLL file. Note This tool does not [...]
Firefox 3.0.8 security release now available
As part of the Mozilla Corporation’s ongoing security process, Firefox 3.0.8 is now available for Windows, Mac, and Linux users as a free download from getfirefox.com. We strongly recommend that all Firefox users upgrade to this latest release. If you already have Firefox 3, you will receive an automated update notification within 24 to 48 [...]
How to Use your OpenSSH private key in Putty
When you are working with private (and public) keys generated by OpenSSH, you will have files called id_dsa and id_dsa.pub. These files can’t be used in Putty directly. Instead they need to be converted to something else using PuTTYgen, also available from the Putty page. To do this, follow these simple steps. Lets assume you already have Putty [...]
Fears of a Conficker Meltdown Greatly Exaggerated on April 1
Worries that the notorious Conficker worm will somehow rise up and devastate the Internet on April 1 are misplaced, security experts said Friday. Conficker is thought to have infected more than 10 million PCs worldwide, and researchers estimate that several million of these machines remain infected. If the criminals who created the network wanted to, [...]
How to Read BIOS information using dmidecode command
dmidecode tool dumps your system’s DMI (Desktop Management Interface) table contents in a human-readable format. This table contains information regarding system’s hardware components, as well as BIOS revisions etc. dmidecode output not only describes system current configuration, but also reports the BIOS limitations on supported CPU speed, Maximum Memory allowed and more. Now lets say [...]
How to Find Hardware Details from /proc
Sometimes you will want to monitor physical memory and CPU information on a running system in real time. For doing this, you will have to read the /proc file system. You might be thinking about `top` utility, but that utility also reads information from /proc file system. Make sure you only use `cat` command to [...]
How to Stop Conficker from spreading by using Group Policy
This procedure does not remove the Conficker malware from the system. This procedure only stops the spread of the malware. You should use an antivirus product to remove the Conficker malware from the system. Or, follow the steps in the “Manual steps to remove the Conficker.b variant” section of this Knowledge Base article to manually [...]