Blog Archives

Adding certificates to Java keystore

Java has its own certificate storage. At least in Arch Linux it is located in: /etc/ssl/certs/java/ To add a new certificate there, run this command: keytool -keystore cacerts -importcert -alias myrootcert -file /path/to/MyRootCert.crt (you might want to run that as

Posted in Linux, PicoPosts Tagged with: , , , ,

HTTP and HTTPS running on the same port

Running HTTP and HTTPS on the same port with Apache. They said it couldn’t be done. They were wrong! https://github.com/Dejvino/https-multiplexer I’ve modified a simple Python port forwarding utility to act as a port multiplexer that can automatically forward HTTP and

Posted in Awesome, Linux, Open source, Programming, Projects, Technology, Web development

How to become a Certification Authority

This short How-To has been compiled based on the work I’ve done so far while building my personal home server. To achieve reasonable level of privacy without spending a fortune on it, I’ve become my own Certification Authority (CA). Overview

Posted in Linux, Open source, Privacy, Projects, Technology, Web development

Linux udev USB automount script

I’ve been wondering how to enable automounting of USB drives on my Raspberry Pi server. The sollution is pretty simple with udev on Arch Linux. Create a new file /etc/udev/rules.d/automount.rules Fill this script: ACTION==”add”,KERNEL==”sda*”, RUN+=”/usr/bin/mount /dev/sda1 /mnt/disk-a” ACTION==”remove”, KERNEL==”sda*”, RUN+=”/usr/bin/umount

Posted in Linux, PicoPosts, Projects, Raspberry Pi, Technology

Building a Digital Haven (home server)

As part of my “Prism break” initiative, I’ve started working on a personal (family) server — a safe haven in the wild digital world. Target and usage near-silent box you turn on and forget about low energy consumption large disk

Posted in Linux, Privacy, Projects, Technology

Prism break

If you haven’t heard about the Prism scandal, you should read a bit about it. But basically, numerous large companies based in the US have allowed private information of their users to be accessible to the government (the NSA, to

Posted in Friendica, Ideas, Open source, Privacy, Projects, Raspberry Pi, Technology, Uncategorized

Plan 9 on Raspberry Pi – done

Finally got it working. All it needed was a 2+ GB SD card and not only 1 GB, which resulted in a restart-loop with error messages not far from “Something is broken! Panic!”. Next on my agenda – hook up

Posted in Raspberry Pi, Technology

Raspberry Pi case

It is finally here! My new Raspberry Pi case. You can buy it here –¬†http://www.emko.cz/katalog/it-skrine/mini-itx-skrine/em-raspberry-little-case-b (7907)

Posted in PicoPosts, Raspberry Pi, Technology, Uncategorized

Distributed Pi

Plan 9 – distributed operating system, now ported to Raspberry Pi. http://bendyworks.com/geekville/lab_projects/2012/11/getting-plan-9-running-on-the-raspberry-pi …newly on my ToDo list. (968)

Posted in Linux, Open source, PicoPosts, Raspberry Pi, Technology, Uncategorized

Raspberry Pi – sound HOW-TO

Here are a few pointers on how to make the sound work on Raspberry Pi. I’ve gathered these bits and pieces along the way of using this tiny computer. First of all – Arch Linux for ARM (i.e. alarm) is

Posted in Linux, Open source, Raspberry Pi, Technology