Monthly Archives: March 2010

PHP function to Genrate Random Passwords

function pass_gen($len) { $pass = ”; srand((float) microtime() * 10000000); for ($i = 0; $i < $len; $i++) { $pass .= chr(rand(33, 126)); } return $pass; }

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Linux Shadow File Formats

Traditional Unix systems keep user account information, including one-way encrypted passwords, in a text file called “/etc/passwd”. As this file is used by many tools (such as “ls”) to display file ownerships, etc. by matching user id #’s with the … Continue reading

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Posted in Important for LPI 117-101 | 1 Comment

Various Password Policies to Secure Your Web Server

To make sure your password is secure and valid, follow the guidelines in the table below. Required Action Benefit Gained Do not store passwords in a clear text file. Avoids situation where convenience and speedy login are achieved at the … Continue reading

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Don’t leave Debian confrence 15 April

Registration continues for DebConf10. Thursday 15 April is the early registration deadline. Registrations after that date will not be eligible for sponsored food, accommodation or travel. To register follow one of the processes outlined below: * If you registered for … Continue reading

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New Viruses for Windows OS

OPRAH WINFREY VIRUS: Your 200MB hard drive suddenly shrinks to 80MB, and then slowly expands back to 200MB. AT&T VIRUS: Every three minutes it tells you what great service you are getting. MCI VIRUS: Every three minutes it reminds you … Continue reading

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New Palm-sized Linux Server in US

Plat’Home, a very early Linux provider in Japan, is bringing back a small, easy-to-use, easy-to-configure solution for growing companies to North America. Part of the first ecology-friendly line of Linux servers ever shipped in the United States, Plat’Home’s OpenBlockS server … Continue reading

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New Features in Linux Mint 9

System * USB-Creator will be added to the default software selection. * apturl will be added to the system. * In memory of Husse, a new fortune database gathering his best quotes will be added to the pool of random … Continue reading

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Posted in Reviews | 3 Comments

Very Impotant: Tape frives naming convention in Linux

Linux supports SCSI, IDE and old floppy based tape devices. Each device has unique name just like hard disk drives. Digital Data Storage (DDS), Digital Audio Tape (DAT) and Digital Linear Tape (DLT) all are supported by Linux and widely … Continue reading

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Posted in Important for LPI 117-101 | Leave a comment

How to encrypt Backup Tape using TAR and OpenSSL

You can easily encrypt data to tape using combination of tar and openssl commands. The following is software based solution based upon encryption algorithms supported by openssl tool. Encrypted backup should be used when storing sensitive data on removable media … Continue reading

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Posted in Linux How to | 1 Comment

How to Install kivio for making flow charts in Linux

You can install Kivio from either a GUI tool or from command line. If you open up the Synaptic package management tool you can follow these simple steps: 1. Open Synaptic. 2. Search for “kivio” (no quotes). 3. Select Kivio … Continue reading

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