Archive for the ‘System Adminstration’ Category

How to set up your own Rancher environment

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Well first of all you need some nodes, nodes that will be used as a platform for your docker services but we won’t cover the node installation only the configuration and the rancher part. I used 5 Coreos virtual machines as my nodes, with a NFS mapped partition for persistent data.

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Liferay 6.2 – Save FTP files into Media Library

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Hello. In this article I will show you how to connect to a FTP server, get the files found there and save them into the Media Library of a Liferay Portal.

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Fix for unexplainable common crashes of IBM Notes with Eclipse

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IBM introduced with Lotus Notes Version 8.x the Eclipse-based extension that comes with many new features and functions.  A world of new opportunities for software failures appears. Lotus Notes present a Fault Reports database that made it easier to gather crash information, but doesn’t provide any tools for fixing the issues or identifying the cause […]

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How to install Yii Framework on XAMPP for Windows

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  Yii is an open source, object-oriented, component-based MVC PHP web application framework. Yii is pronounced as “Yee” or [ji:] and it’s an acronym for “Yes It Is! The first thing you need in order to use the Yii Framework is access to a Web server with PHP installed, of course. But if you’re reading […]

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Installing a Loopback Adapter on a DHCP host

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Dynamic Host Configuration Protocol (DHCP) assigns dynamic IP addresses on a network. So each time the computer connects to the network, DHCP allows a computer to have a different IP address. But in some cases, like when installing Oracle Database or Oracle Business Intelligence, you need to assign a local IP address to that computer. […]

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LXC 0.7 in Gentoo Linux – updated

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LXC 0.7 is available as an upgrade in Gentoo Linux. After you get it you may have a surprise… no console output after lxc-start. It seems it is not a bug but a feature :) (as always with software). To get back the output just add -s lxc.console=$(tty) to the command line, like: # lxc-start […]

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LXC with Gentoo Linux

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VMWare (Server, Player, ESX), VirtualBox, KVM/QEMU  are just a few of the virtualization technologies you can use if you need to run a generic virtual machine. Each has strong and weak points, each adds some overhead when running the virtual machine, each can prove useful in a given scenario. I’ve used more or less extensively […]

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SSH TCP Port Forwarding aka poor man’s VPN

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In today’s world when the IPv4 addresses are a luxury and IPv6 is not wide deployed (yet) more and more servers are running behind NAT-ed addresses. To do remote management on these servers you connect to them using SSH through some port forwarding done on the border gateway. If you need to monitor these servers […]

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Run Internet Explorer on Linux

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A problem that many web developers face when they switch from Microsoft Windows to an open source operating system (Ubuntu, Fedora, Archlinux, OpenSUSE, Mandriva, Debian, BSD etc.) is the imposibility of running tests on Internet Explorer, since IE is officially suported only on Windows.

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Google Chrome OS opens up as Chromium OS

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After the bomb announcement 6 months ago, Google has open sourced its first operating system under the name Chromium OS, which will be the core for the release of Chrome OS, a year later. As of today, the code for next generation operating system will be fully open, from the code base till the user […]

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