January 2011

Computers, GNU/Linux, security, Server, Ubuntu/Debian

Debian: Force users to use more secure login password with pam_cracklib

One of the factor that makes your system easily crackable is the weak password. PAM cracklib forces users to choose stronger password by analyzing the password strength, length and entropy. To enable pam_cracklib in Debian / Ubuntu operating system, you need to install libpam_cracklib: sudo apt-get install libpam_cracklib Then edit the “/etc/pam.d/common-password” file using your […]

hardware, Open Source, Tips & Guides, Ubuntu/Debian

Ubuntu: How to erase CD-RW/DVD-RW from Command-line

Here’s an easy way to erase CD-RW and DVD-RW from command-line in Ubuntu: you only need to install ‘wodim’ package: sudo apt-get install wodim Then run: wodim -scanbus To search for the cdrw device in case if you don’t already know. To erase the entire disk, run: wodim dev=/dev/cdrom blank=fast That’s all!

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