SSH login without password

It is possible to securely connect to a SSH server without a password. To do so, you must perform the following steps. It assumes that both machine are running a

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How to create a SSH tunnel

You can connect to a remote host [remote-host] using another machine [proxy-host]. This can be accomplished if the [proxy-host] as an SSH server running. To do so, logon to the

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How to replace LibreOffice by OpenOffice in Ubuntu 11

If you prefer using OpenOffice than LibreOffice in Ubuntu 11, you can replace it using these few steps: Download OpenOffice from http://download.openoffice.org/other.html. Download either Linux Intel DEB or Linux x86-64 DEB depending

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Unix History

I can bet that you have no idea what the Unix timeline looks like. Curious? Download this PDF file from www.levenez.com.

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USB Flash Drives comparison

Manufacturer Model Capacity Read speed(MB/s) Write speed(MB/s) Patriot Xporter XT Rage 32 GB 27 25 Corsair Voyager GTR 32 GB 34 28 Lexar Echo MX 32 GB 30 17 Kingston

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Very slow connection to a SSH server

A problem with the DNS configuration on a server can cause the login to the ssh server very slow. I can be fixed by adding the following line UseDNS no

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Exchange large files for free

When it is time to transfer files, e-mail has its limitation. Most of the time, e-mail size is limited to 5 megabytes or so. The site FileConvoy lets you share

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Arduino Ethernet Shield example WebServer.pde no longer works after upgrading Ubuntu to version 11.10

This patch must be applied to w5100.h located into library/Ethernet/utility. — w5100.h.orig 2011-10-03 13:43:10.536833701 +0200 +++ w5100.h 2011-10-03 13:47:26.764844567 +0200 @@ -258,7 +258,10 @@ } \ static uint16_t read##name(SOCKET _s)

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VPN connection times out under Ubuntu 11.10

After upgrading to Ubuntu 11.10 (Oneiric Ocelot), some VPN connection using Shrew (2.1.7) times out. Nevertheless, Shrew 2.1.5 still works under Ubuntu 11.10. The challenge is to uninstall version 2.1.7

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L’antre du Tryphon has been revamped.

After using Drupal for more than four years, I have decided to use a simpler content management system (CMS), WordPress.  As previously, you will still find various computing and development information but

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