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Category Archive for 'How-To'

AirPrint jail for FreeNAS

I just switched from Ubuntu Linux to FreeNAS on my home server. On Ubuntu, CUPS (the printer framework we will configure in this guide) is already patched for AirPrint compatibility. On FreeBSD (thats what FreeNAS is based on) things are a bit different. This is how I got it to work. First, create a new jail […]

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Security issue in current version of Cisco Jabber for Mac Current versions of the Jabber for Mac client do track your activity with Google Analytics. This includes starting/ending an IM session, call metadata etc. This behavior is currently not documented and Cisco does not provide settings in CUCM as it does for the iOS clients. […]

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Für einige virtuelle Maschinen in einem VMware Cluster ist es sinnvoll, eine Trennung auf verschiedene ESX Hosts einzustellen. Gerade Exchangeserver oder virtuelle Domaincontroller sollten nicht auf dem gleichen Gastsystem laufen, um die Verfügbarkeit der Dienste bei Ausfällen eines Hosts im ESX Clusters zu gewährleisten. Auf der anderen Seite will man vielleicht aber auch genau das […]

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Juniper Network Connect is Juniper’s cross-platform VPN client coming with many Juniper appliances. The OS X client installs itself using a browser Java plugin when connecting to the company’s VPN portal. In the first Lion beta the Java browser plugin is not available so you cannot install the client. Its also not possible to just […]

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Apple just released the first beta version of its upcoming OS X 10.7 “Lion” operating system to subscribed developers. Its meant for developers to port and test their software on the new version. However, even testing and developing needs a comfortable environment and that can be achieved by installing your daily used software. Most of […]

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Defrag OS X files

Whats the problem? You may think you don’t have to deal with disk defragmentation on OS X as OS X does it all for you. In most cases you are right, as OS X automatically tries to avoid fragmentation on files < 20MB. However, larger files are sometimes heavily affected. I noticed it when playing […]

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Starting with Safari 5, Apple has included extensions support which makes Safari a real Firefox alternative for me. As a long time Firefox user I’ve saved many passwords in its keystore. For bookmarks, the exchange between the two browsers is easy as both support exporting and importing them as flat html files. Passwords are stored […]

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In Deutschland kann man das aktuelle iPhone 4 offiziell nur in Verbindung mit einem Telekom Mobilfunkvertrag kaufen. Importeure bieten Simlock-freie Geräte zwar an, verlangen aber auch sehr hohe Preise. Umgehen kann man das Problem, wenn man selbst im europäischen Umland kauft. So kann man es z.B. online direkt im Apple Store Frankreich oder UK kaufen. […]

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Re-enable iPhone tethering with iOS 4

The bad news is that you may lose your tethering option after updating to iOS 4 from your previous iPhone OS 3.1.3 installation. The good news is that my 3.1.3 solution still works with iOS 4, so just follow http://www.kaisblog.de/2010/02/19/reenable-iphone-tethering-313/ to re-enable tethering on iOS 4. Good luck.

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Yesterday we had a little brainstorming session in our admin team where our IT documentation was one thing to discuss. The result was, that we need to change our documentation tool to something faster and easier to use. And my team developed some incredible ideas which we implemented and I want to share them with […]

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