Category: Linux

Compiling Qemu-KVM

Lets compile KVM – QEMU from scratch on debian jessie!. This… will take a long ass time!. Find attached my .deb if you’re too lazy for that. Meet this requirements first, before using my .deb!! If you’re missing packages… then… here you also have my apt sources.list Install missing keyrings!

Fix Virtualbox USB Passthrough

Why Virtualbox… why… why do package mantainers do this to us! Well, guys as usual I post things that annoy me, and how to fix them. So when my horrible memory forgets how to fix a simple issue… I know I can come back to my own notes and ifigure it out again. So, I’m

Luks keys… and luks encrypted drives: Warning: Always backup the LUKS header before performing any maintenance on the hard drive!. How to backup the luks header:Drive: /dev/sdb [Example] Name: /tmp/mybackup [Example] Add a LUKS key: Deckey: Would be your passphrase key for decrypting your drive [first key when setting up the encrypted drive]. Slot: Luks

KVM Nested virtualization. For my current project I needed to perform nested virtualization on KVM using Ubuntu 12.04, and I encountered the VM would pause itself after showing the bios. That error dragged me to the logs where this line called my attention: And digging I found out its a bug knwon issue with the 12.04 kernel,

The basics: Virtualmin is a powerful and flexible web hosting control panel for Linux and UNIX systems based on the well-known Open Source web-based systems management GUI, Webmin. Manage your virtual domains, mailboxes, databases, applications, and the entire server, from one comprehensive and friendly interface. I really recommend using Virtualmin, it made my life so

How to install PDF2SWF, PDFTools in Debian. First you need the needed repositories. The first solution. Given that, not even then I got to install it, proceed and clone the master branch on Github, that seems to work perfectly fine. So the solution I found somewhere:

Many times our servers struggle to answer to connections in time, this is why we need to optimize. First we assume we have installed Virtualmin on Debian 7. Second, we assume you know some of PHP and common Linux utilities. We’ll install memcached and php5-memcache [Memcache plugin for memcached]. php5-memcache and memcached We are assuming

Jarvis – DLA (Digital Life Assistant)

The idea behind MultiAll Abstract: The problem of managing multiple servers that do basically similar stuff and are used to host in house applications. Avoiding configuration time hogs, and automation of server configuration allowing fast deployments with no scaling limit. The problem: The problem with MultiAll is the fact of having all the servers on

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