Jonathan Arbib

Archive for February, 2010

xen error: “you need to load the kernel first”

by on Feb.26, 2010, under Tutorials

Some people seem to be getting this error when installing xen 3.2 on Lenny.
It has been referenced as Bug #505517. The following should help you fix the problem

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Xen 3.2 on Debian Lenny

by on Feb.26, 2010, under Tutorials

Notes taken from another blog post on installing xen 3.2 on Lenny.

apt-get update; apt-get upgrade

The following is all one line!

apt-get install xen-hypervisor-3.2-1-amd64
xen-linux-system-2.6.26-2-xen-amd64 xen-utils-3.2-1 xenstore-utils
xenwatch xen-shell xen-tools

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Fugu, a good Mac OSX SCP GUI

by on Feb.24, 2010, under Tutorials

From the Fugu Homepage:

Fugu is a graphical frontend to the commandline Secure File Transfer application (SFTP). SFTP is similar to FTP, but unlike FTP, the entire session is encrypted, meaning no passwords are sent in cleartext form, and is thus much less vulnerable to third-party interception.

Fugu allows you to take advantage of SFTP’s security without having to sacrifice the ease of use found in a GUI.

Fugu also includes support for SCP file transfers, and the ability to create secure tunnels via SSH.

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DNS explained

by on Feb.23, 2010, under Tutorials

I found this video fairly good to exaplin DNS to people who are on their first steps with the internet

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Time Machine Backups over Samba Network Share

by on Feb.17, 2010, under Tutorials

In OSX Open a Terminal window and paste this

defaults write com.apple.systempreferences TMShowUnsupportedNetworkVolumes 1

That will allow you to see (as the command says) unsupported Volumes in Times Machine. All you have to do now is ensure your drives stay mounted every time you boot up OSX.

TIP: This works best over LAN, unless you are lucky to be on a network with high upload capacity to your Samba Share.

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Ensuring OSX Disk mounts stay mounted after reboot

by on Feb.17, 2010, under Tutorials

Simple Problem with a simple solution!
Problem: After rebooting OSX, your mounted drives/shares do not appear and you have to remount them manually!

Solution: Mount your drives/shares, then go to System Preferences > Accounts > Login Items (tab on top)
Drag your shares in the window and select “Hide” to avoid them showing when you login.

That’s all! enjoy!

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The Pirate Bay To Be Censored in Italy, Again

by on Feb.11, 2010, under Tech Junk

Following a lengthy legal procedure the Court of Bergamo has once again ruled that Italian ISPs have to censor their networks and prevent customer access to The Pirate Bay. Millions of Italian Internet users will be denied access to the popular torrent site in an attempt to prevent copyright infringement.

Continues here [TorrentFreak.com]

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iFolder on Debian Lenny (as xen DomU)

by on Feb.05, 2010, under Tutorials

UPDATE: Simple way for me to deploy iFolder on a Debian systems was though xen and an installation of Ubuntu as follows…

NOTE: I can get everything to install and run. Problem so far is logging in as admin that does not work (seems to be a common problem with no precise solution so far)

Step 1:

Intall Debian Lenny on a clean machine (plenty of tutorials online for this!)

Step 2:

Setup Xen on the lenny installation (this tutorial is a good place to start. Ensure you are on a 64bit machine for this one. IF you are on a 32-bit machine, it is not too different)

Step 3:

Intall Ubuntu 10.04 (lucid) – Follow this tutorial with following modifications:

After installation, open the config file for the Virtual Machine and:

Comment out the “kernel” and “ramdisk” options

Add:

bootloader  = '/usr/bin/pygrub'

Make sure you invert the disk options as mentioned in the tutorial

Step 4:

Before installing iFolder run the following (all one line):

apt-get install apache2 automake autoconf libtool liblog4net-cil-dev
mono-xsp2-base cli-common-dev uuid-dev libxml2-dev gsoap libflaim-dev
mono-devel
mkdir -p /var/www/.config/.mono/
chown -R www-data:www-data /var/www/.config/
apt-get install apache2 libapache2-mod-mono

(answer Y to the question)

Configuration file `/etc/apache2/mods-available/mod_mono.conf'
 ==> File on system created by you or by a script.
 ==> File also in package provided by package maintainer.
 What would you like to do about it ?  Your options are:
 Y or I  : install the package maintainer's version
 N or O  : keep your currently-installed version
 D     : show the differences between the versions
 Z     : background this process to examine the situation
 The default action is to keep your current version.
*** mod_mono.conf (Y/I/N/O/D/Z) [default=N] ? Y

Install iFolder on the Ubuntu Virtual Machine following the official Ubuntu tutorial

Run (if needed to reconfigure admin password)

dpkg-reconfigure simias-server

Enjoy!

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