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How to install UMH VPN Network connection on Linux Mint & Ubuntu


This HowTo is valid for Linux Mint 17, 18 and Ubuntu 14.04, 16.04 and 16.10 in order to connect to the UMH VPN Network

1) Intall the required packages for Cisco VPN

# apt-get install network-manager-gnome network-manager-pptp network-manager-pptp-gnome network-manager-iodine network-manager-iodine-gnome network-manager-openconnect network-manager-openconnect-gnome network-manager-openvpn network-manager-openvpn-gnome network-manager-strongswan network-manager-vpnc network-manager-vpnc-gnome

2) In order to see the new VPN options on Mint network manager menu, it is necessary to restart network-manager daemon:

# restart network-manager

3) Click on Network manager, “VPN conections” –> “Configure VPN” –> “Add…”

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Categories: HowTo, Linux Tags:

Lunes, 19 de diciembre de 2016 Sin comentarios

Install Spotify on GNU/Linux Mint 17.3 and Ubuntu > 14.04


You need to add spotify ppa repository in order to install 64 bits version:

# nano /etc/apt/sources.list.d/spotify.list

add this ppa:

deb http://repository.spotify.com stable non-free

# apt-key adv –keyserver keyserver.ubuntu.com –recv-keys 94558F59
# apt-get update
# apt-get install spotify-client

Run spotify-client


Categories: Linux Tags:

Martes, 17 de mayo de 2016 Sin comentarios

WLAN Acer Aspire ONE D257 Debian Install


Broadcom BCM4313 WLAN installation in Debian Linux 8 (Jessie):


Categories: HowTo, Linux Tags:

Viernes, 29 de mayo de 2015 Sin comentarios

Installing Cassandra 2.1 on Raspberry Pi


1. Download Oracle JDK8 for ARM on your RaspberryPi and get the resulting file to your ‘home’ folder on Raspbian:
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-arm-downloads-2187472.html

2. UnTAR the file jdk-8u6-linux-arm-vfp-hflt.tar.gz:

# tar xvzf jdk-8u6-linux-arm-vfp-hflt.tar.gz -C /opt

3. Set default java and javac to the new installed JDK8.

# update-alternatives --install /usr/bin/java java /opt/jdk1.8.0_06/bin/java 1
# update-alternatives --install /usr/bin/javac javac /opt/jdk1.8.0_06/bin/javac 1
# update-alternatives --set java /opt/jdk1.8.0_06/bin/java
# update-alternatives --config javac
# update-alternatives --config java
# update-alternatives --display java

4. Now,  check that version 1.8 is really installed

# java -version

This order should return something similar to:

java version "1.8.0_06"
Java(TM) SE Runtime Environment (build 1.8.0_06-b23)
Java HotSpot(TM) Client VM (build 25.6-b23, mixed mode)

5. Export JAVA_HOME path variable:

# export JAVA_HOME="/opt/jdk1.8.0_06"
# export PATH=$PATH:$JAVA_HOME/bin

6. Now, it is time to download Apache Cassandra:
# wget http://mirror.reverse.net/pub/apache/cassandra/2.1.2/apache-cassandra-2.1.2-bin.tar.gz

7. UnTAR and move the main directory to /opt:

# tar -xvsf apache-cassandra-2.1.2-bin.tar.gz
# mv apache-cassandra-2.1.2 /opt/cassandra

8. Download and replace snappy-java:

# cd /opt/cassandra/lib
# mv snappy-java-1.0.5.2.jar snappy-java-1.0.5.2.jarX
# wget https://oss.sonatype.org/content/repositories/snapshots/org/xerial/snappy/snappy-java/1.1.1.7-SNAPSHOT/snappy-java-1.1.1.7-SNAPSHOT.jar

And now, launch Cassandra…
/opt/cassandra/bin/cassandra -f

You will know if cassandra is running succesfully if you are able to see the line:

 Listening for thrift clients...


Categories: BigData, Cassandra, Linux, Raspberry Pi Tags:

Miércoles, 31 de diciembre de 2014 Sin comentarios