The basic softwares to build own basic big data analytics system on own servers has been discussed on this website through multiple tutorials and we have a list of such big data tutorials for the beginners. Those guides are good to test for the developers including a webmaster on need for log analysis of web server. The running cost of few public servers with 16 GB+ RAM with modern processor is … [Read more...]
Archives for June 2017
Difference Between Hard Reboot and Soft Reboot Of Server
Virtual servers, cloud servers are easy (and cheap) alternative to dedicated and colocation servers. Of course quality of real hardware aka dedicated and colocation also affects the virtual servers, cloud servers. However the end users never need to think about the non-responding hardware in case of virtual servers, cloud servers. New dedicated server users often ask the difference between hard … [Read more...]
Choosing The Correct LCD Display For Arduino Like Boards
There are many technologies like LCD, VFD, TFT, OLED to show what we want to show. Moreover there are monochrome LCD, variations of monochrome LCD like white text with blue backlight. Choosing the correct lcd display for Arduino like boards is crucial for budget, for compatibility with wider range of board & microcontroller. In this article we will deliver a gross idea of which are towards … [Read more...]
DIY LED Replacement Bulb For E10 Bulb With Lens
E10 bulb with lens are great for pointed focus. Those bulbs are common in vintage pencil beam flashlights like Sea-Gull Pocket Flashlight FS 008 model. If you never saw the model can perform a web search. In 2017 that model's old stock of unopened sells at $20 to $40 per piece. Those E10 bulb with lens has LED version but neither cheap for easily available. We can add circuit, use glass lens. Here … [Read more...]
WordPress Persistent Object Cache, Fragment Cache Optimisation
Some features of WordPress are less known. WordPress persistent object cache, fragment cache optimisation can improve page loading time. You can setup separate cloud server for cache. All of us possibly aware of XCache, Memcached, Redis. But often how to use remains unknown. Backend For WordPress Persistent Object Cache, Fragment Cache In case of Ubuntu 16.04 and PHP 7 … [Read more...]
Setup SFTP Without Shell Access For WordPress, Cloud Server
Normally we have a common security setup for the servers which we described on our guide on basic server setup and ensuring security. Paid web hosting control panels like cPanel usually have either no shell but FTP or SFTP access or limited shell access. Often we need to host account on vps or cloud server where it is desired to have a setup sftp without shell access for WordPress Like cPanel. We … [Read more...]
DIY Universal USB To Breadboard Connector
Yo definitely noticed that for various reasons we need to connect male and female USB of various types to breadboard. It is not practical to cut each type of USB cables for each projects. Here is how to create your own DIY Universal USB To Breadboard Connector with one male to female usb cable 8 jumpers and basic tools. Basics Behind DIY Universal USB To Breadboard Connector And Needed … [Read more...]
Reliable, Forever Free Cloud Storage Services In 2017
In past 7 years We have published lot of articles, guides on Cloud Storage Services. Here is list of reliable, forever free cloud storage services compiled and check in 2017. They are not trials but forever free 2gb+ storage. Some services get closed, some services need avoidance to use, new services open. These are reasons of publication of new articles as list. There are services like DropBox … [Read more...]
Electronics Learning Kit For Kids : Part 1
I am doing these DIY works since 4 years of age else it was not possible to master many things in life. Here is part 1 of electronics learning kit for kids. Our budget is least possible and for China it is possible today to get the stuffs at very cheap price. In 1988 I can remember that a set of electrical & magnet things from Toy World shop was purchased for me which was very costly. In … [Read more...]
Cloud Server : WordPress Caching Database Via Plugin Is Bad
Cloud Computing, Cloud Services are compromise for pricing. On Cloud Server WordPress caching database via plugin is just bad idea to activate for pagespeed. You can enable MySQL cache for performance which we discussed before - of course it needs SSH access. For the shared server, WordPress caching database plugins are not bad because backend is actually nicely tweaked and is a real … [Read more...]
Arduino Vacuum Tube Stereo Preamp : Parts & Circuit Diagram
Although the developer retired it, all parts, circuit diagrams are available. Let us have a look at Arduino vacuum tube stereo preamp thing and imagine to modify it to make it more classic and premium quality. We published the previous guide to have snake animation on TM1637 LED display. Arduino Vacuum Tube Stereo Preamp : Parts & Circuit Diagram E88CC-TK Black … [Read more...]