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Virtuoso 6.1.6 and KDE 4.9

Shortly after KDE 4.9 hits the net Virtuoso 6.1.6 follows. Virtuoso 6.1.6 comes with a ton of fixes, improvements and optimizations and it is highly recommended to update for the best Nepomuk...

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Use an X.509 certificate for SSH Login

An X.509 certificate contains a private and a public key. As such it is suitable for password-less login via SSH. However, as always with certificates and keys and all that powerful stuff the handling...

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Digitally Sign Emails With Your X.509 Certificate in Evolution

Digitally signing Emails is always a good idea. People can verify that you actually sent the mail and they can encrypt emails in return. A while ago Kingsley showed how to sign emails in Thunderbird.I...

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And Now For Something Completely Different: Resizable Bootstrap Modals

(Update: Now with better overflow handling.) I have been doing more CSS + JS as I would have liked these past months. I am still a newbie but today I did something which I am happy enough about to make...

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TPAC 2012 – Who Am I (On the Web)?

Last week I attended my first TPAC ever – in Lyon, France. Coming from the open-source world and such events like Fosdem or the ever brilliant Akademy I was not sure what to expect. Should I pack a...

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Sharing Files With Whomever Is Simple

Dropbox, Google Drive, OneDrive, Box.com – they all allow you to share files with others. But they all do it via the strange concept of public links. Anyone who has this link has access to the file. On...

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Protecting And Sharing Linked Data With Virtuoso

Disclaimer: Many of the features presented here are rather new and can not be found in  the open-source version of Virtuoso. Last time we saw how to share files and folders stored in the Virtuoso DAV...

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Conditional Sharing – Virtuoso ACL Groups Revisited

Previously we saw how ACLs can be used in Virtuoso to protect different types of resources. Today we will look into conditional groups which allow to share resources or grant permissions to a dynamic...

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