How to Compile your own Kernel in Ubuntu / Debian / Mint

Published on July 15, 2011, by in linux, sysadmin.

While most persons typically use the Ubuntu kernel-ppa for obtaining alternate or new kernels, you can also roll your own for a specialized VM, an embedded system, or just to geek out. This method is a Debian sort of method in that at the very end you are left with .deb packages you can easily

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Install Flash Player 11 in Linux Mint Debian Edition 64bit

Published on July 14, 2011, by in linux.

Adobe released Flash Player 11 beta with support for 64bit Linux. Yay! I’ll show you how to install it for Linux Mint Debian Edition 64bit. Edit: This post is now obsolete. Flash 11 for 64bit Linux is included in most distro repositories now, or directly from Adobe. First, remove any existing flash player version you

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Disable Debian Banner Suffix on SSH Server

Published on June 14, 2011, by in linux, sysadmin.

While ssh requires broadcasting the exact version number for the protocol of the openssh spec, you can opt to disable broadcasting of the ‘Debian’ suffix that is added by default. By default your server provides something like this to the world: OpenSSH 5.2p1 Debian 7ubuntu3.5 (protocol 2.0) I’ll show you how to change that and

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/usr/bin/mint-fortune: line 35: [: ==: unary operator expected

Published on May 29, 2011, by in linux.

In Linux Mint Debian Edition, a recent update made the fortune script stop working. I’ll show you how to fix it! 1. Open this file with nano, or your favorite editor: sudo nano /usr/bin/mint-fortune 2. Locate line 35 which looks like this: if [ $showfortunes == "true" ]; then (Tip: in nano, press Control+C to

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Prevent Postfix Brute Force

Published on May 26, 2011, by in linux, sysadmin.

An often used attack vector is brute forcing MTA logins. While most admins watch ssh auth logs like a hawk, email auth/login logs are most often not closely watched for this sort of thing if at all. I’ll show you one way to easily prevent a Postfix brute force attack! This how-to focuses on fail2ban

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Linux Mint Debian Edition LMDE Review

Published on May 21, 2011, by in linux.

I have decided to give Linux Mint Debian Edition a go on my main desktop! Here is my quick minty-fresh brushed metal review. LMDE is Debian testing ever so slightly fine-tuned for the desktop. Elegance is the most apt (pun intended) word to describe LMDE. LMDE is 100% Debian compatible (uses regular Debian repositories), but

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Select Fastest Debian Mirror for apt-get

Published on May 15, 2011, by in linux, sysadmin.

With Debian you can easily auto-detect the fastest mirror for apt-get! First install this package: $ sudo apt-get install netselect-apt Then run the following, adjusting for your desired version. I’m using LMDE, so I’m going to run: $ sudo netselect-apt testing Other examples: sudo netselect-apt [stable|testing|unstable|experimental|release_codename|sid] This will query various debian mirrors then leave a

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