HDMI-CEC Guide: What it is and why you should have it (and use it)

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Editor’s note: HDMI-CEC is also known as Anynet+ (Samsung), CE-Link (Toshiba), EZ-Sync (Panasonic), Bravia Theater Sync (Sony) and SimpleLink (LG). Apart from any eventual proprietary extensions, all support the same basic functionality. There is a plague invading our living rooms for the past couple of years: remotes. First there was only one: the TV remote, then the VCR remote came in, but over the last couple of years, things started to go awry: DVD remote, Bluray remote, cable box remote, AV receiver remote and so forth. Typical AV setup during the years The thing is, when the TV remote appeared, there was only …

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QNAP VPN access on Owncloud 7

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One of the changes Owncloud 7 brought was related to security. Unlike Owncloud 6, version 7 added a configuration items which allows to select which domains can access Owncloud. This configuration is not relevant if you only want to allow access from your local network, but if you have QNAP serving as VPN endpoint (ou router) things need to be changed. This is due to the different addressing used by VPNs. For instance, local domestic networks are usually 192.168.x.y, but VPNs are often on the range of 10.0.0.x. On QNAP default values are 10.0.0.x for PPTP VPN and 10.8.0.x for …

Owncloud database migration from SQLite to MySQL – QNAP specific

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One of new few features on Owncloud 7 is the possibility to migrate databases. On my case, I originally installed Owncloud on SQLite, which is fine for a small number of files and one single user, but when going into the tens of thousands of files and multi user, SQLite is no longer a solution. Then, how do we get out of SQLite without having to start from scratch ? Set up QNAP to locally run Owncloud; Create a new mysql database; Migrate database.

Installing Owncloud 7 on QNAP hardware – upgrade from version 6

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Edit: If you’re getting a blank screen after upgrading to ownCloud 7.0.2 or QNAP QTS 4.1, go to this post: View. Little more the 3 months ago I published the guide for Ownclod 6 on QNAP hardware, and Owncloud 7 is upon us. If you wan’t to see how history was made, feel free to have a look at all the previous posts on Owncloud: Installing Owncloud 6 on QNAP hardware – Additional Steps for version 6. For first time install, please make sure you follow the eaccelerator step Installing and using ownCloud on QNAP hardware Owncloud database migration, also on …

HDMI 2.0 is finally here, but may not be what you were expecting

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Back in September 4th 2013, HDMI Forum released the new version of HDMI, which was upgraded to version 2.0. This new version brought some very necessary upgrades in terms of supported bandwidth and the much needed new 4K resolutions. Also, as an added bonus, existing 1.4 category 2 cables would be compatible with the new standard and resolutions. On the other hand, people learned to put some salt on some technological breakthroughs and product launches, with some call vapourware or paperware. Anyways, HDMI 2.0 would have no reason to diverge from the rest of the industry best practices, and as such it brings some much needed …

Installing Owncloud 6 on QNAP hardware – Additional Steps for version 6

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EDIT: Please note since QNAP QTS 4.1.x and ownCloud 7.0.2 the following steps aren’t working anymore. A new post will follow. This post comes as a following to the original Installing and using ownCloud on QNAP hardware post, and serves to users in the process of doing both clean installs and upgrades.  First of all, I need to explain the need for this post: Live was peachy, until someones decided to upgrade ownCloud to version 6.x on any QNAP hardware, both ARM or x86 based. When this upgrade is performed, the user is presented with a white screen, caused by the server …

Activating Apache logs on QNAP hardware (EDIT: fix for QTS 4.1 onwards)

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This is a quick guide for those needing to debug web apps, such as ownCloud, on QNAP hardware. QNAP systems only come with an Apache error log by default, which only logs apache service errors, not page errors, which make impossible to debug problems on sites. The only way to get more detailed logs is to add a few new config files to Apache, as follows: Login to the QNAP device through SSH Enable .htaccess usage on Apache. To do this you need to create a new Apache configuration file: vi /etc/config/apache/extra/apache-myconfig.conf And add the following commands: CustomLog logs/main_log combined …

When Cisco’s IGMP Snooping stops working for a few seconds

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Editor’s note: this post related to when traffic is forwarded for a few seconds even if IGMP Snooping is working. Not for instances where you loose all multicast traffic when activating IGMP snooping. For those cases, please remind to activate at least one IGMP querier somewhere on the network, and the corresponding IP address (no IP address, no querier….). Introduction IGMP snooping is a feature derived from the regular IGMP standard since version 1, however it works on a mostly independent manner, as it only works at the local switch level. Multicast traffic, without IGMP snooping enabled, works as a simple …

User login Maintenance

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Due to the increasing number of users created by bots on hacked email accounts, all accounts with 0 posts will be eliminated. To further minimize me issue, only third party logins (Facebook, Google, etc) will be allowed.

Semantic MediaWiki By Example – A Datacenter IP Network Manager

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One of the most common tasks on one datacenter, is the management of the IP Network: assigning IP addresses, creating networks (and subnetworks), creating hosts and setting hostnames. On smaller scale, having a spreadsheet may do the trick, but as datacenters grow (both physical and virtual), both in number as in complexity it quickly underperforms. Even, with all virtualization, this task won’t get any simpler, it will actually get more and mode complicated, because at least, it needs to be performed twice: at the physical hardware level, and at guest level. So, there is the need to create a tool …