Categories
Generally Sysadmin

How to block site grabber bots even if they are using the tor network

If you are managing websites displaying data from non free third party APIs like stock exchange, geo location or travel agency data, sooner or later you will notice site grabbers trying to load that data from your website. Even more so if the data changes on daily bases. Blocking those can lead to a never-ending task.

Categories
Generally

John Oliver about the expected future republican presidential candiate Donald Trump

Living in Europe one might think that all North-Americans are supporting Donald Trump in his presidential campaign. But there many people in the United States that are opposed to Donal Trump. One of the more prominent ones is Jamie Oliver who recently analysed Trumps campaign in his show “Last Week Tonight”

Categories
DIY Generally

Pi Foundation announced new Raspberry Pi 3

Four years ago, the Raspberry Pi Foundation announced the Raspberry Pi Model B. Today it publicized the new Raspberry Pi 3. Equipped with a WiFi Module (802.11n),  Bluetooth 4.1 and a 64bit Cortex-A54 CPU with four 1.2Ghz Cores. It’s the fastest Raspberry Pi available to date.

Categories
Generally IOT Technologies

New Android 6 firmware – Pure Nexus – for Nexus 7 (2012)

Because vocoderism seemed to stopped working on his Android M Grouper firmware and the autorotate bug was still an issue I had a look for another Android Marshmallow firmware that worked well on the Nexus 7 (2012). I found a Pure Nexus version for the Nexus 7 that worked quite well.

Categories
Generally Sysadmin Technologies

Webpages loading slow despite having a fast uplink. Searching for a faster name server might help.

In times were connection speed above 50 Mbit/s are normality, the transfer rate ist often not the issue when it comes to slow loading websites. Modern webpages often load many resources in the background slowing down the composition of the page on the screen.

Sometimes DNS server response times, can have a huge impact on this. Looking for faster name servers might help improve the load time of larger web pages significantly.

Categories
Generally Sysadmin Technologies

Let’s Encrypt: Public Beta – Starting with today, Let’s Encrypt is now open for everyone – Update

In the past Let’s Encrypt was only available via an invitation or by signing up to a waiting list. Starting with today Let’s Encrypt entered public beta meaning everybody can now start creating their own free certificates. General information regarding Let’s Encrypt and the differences over other CAs are covered in the article: “Let’s Encrypt initiative enters beta stage on December 3rd 2015“. Now we will start to create our own free domain validated certificates.

Categories
Generally Sysadmin

Installing the final PHP 7 as a php-fpm module on a Ubuntu 14.04 LTS system.

A view months late, the PHP community finally released the final version of PHP 7. Planned on October the final Version is now available for Download via Github. Because there are no official packages to be installed for Debian or Ubuntu at the moment, we’ll create a PHP 7 php-fpm module by compiling the source code ourselves. That will also allow us to continue having PHP5 on our server as the main version but use PHP7 to test our projects for compatibility.

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Generally

Let’s Encrypt initiative enters beta stage on December 3rd 2015.

It’s always been a good idea using HTTPS for forms, sending personal data through the web. For many smaller websites and blogs this was often to expensive and to complex to set up. Let’s Encrypt intends to change that.

Categories
Generally Sysadmin

Php-cgi and suexec like configuration using NginX and php-fpm (LEMP Setup)

If we want to secure our own LAMP server or provide web space for friends or customers we would usually use php-cgi and suexec to let the scripts execute with different users. With NginX the setup somewhat differs but with php-fpm pools we can achieve the same sort of additional security.

Categories
Coding Generally

Ish 2.0 – Viewport tester for responsive web development

Mobile web traffic is on the rise. During the first half of 2015 in Europe, one-third of all the web traffic is caused by mobile devices. In Asia it was even half of all the traffic. As I result of that it becomes more and more important to provide responsive websites for all the different devices and display sizes. Ish (yet another viewport resizer) is a useful tool the check ones website against many different screen resolutions.