Day: February 28, 2012

Debian
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Security
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Ubuntu

How to Add User to Sudoers File on Ubuntu / Debian

Sudo is a program that allows users to run programs with the security privileges of another user (normally the superuser, or root). The /etc/sudoers file controls who can run what commands as what users on what machines and can also control special things such as whether you need a password for particular commands. To add […]

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Debian
Featured
General
Linux
Open Source
Security
Technology
Tips and Tricks
Tutorial
Ubuntu

How to Install Fail2ban on Debian Squeeze

Fail2ban is an important software for system administrator. It scans log files (e.g. /var/log/auth.log) and bans IPs that show malicious signs, something like too many password failures and looking for exploits. To install fail2ban, execute this command: Open the configuration file to activate some rules: Find following line to set email destination for notification: Find […]

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