Servers

In this section I keep notes and write extended tutorials on things like configuring Nginx servers, serving Drupal. Upgrading Ubuntu, PHP-FPM, e.t.c. Apache, Jboss, Tomcat and other might pop in this section as well. Basically routine tasks and solved problems I'm facing everyday. 

January 16, 2019 23
There are a couple of reasons why website administrators consider blocking visitors from particular countries or regions accessing websites, the most common reason probably is hacking/hacking attempts.  One really nasty way how website hackers act are, they inject...
January 08, 2019 49
Windows 10 updates might get annoying, and though they are much needed and it's not recommended to turn them off, in this article I will show one easy method how to disable and later enable Windows Update. For other methods please see: How to Disable Windows 10 Update in Every Way How to...
November 29, 2018 20
XTRF is a Polish translation management system available to install as SAAS or on your own server (both Windows and Linux). In today's article, I will keep notes on how to install XTRF 8 on Ubuntu 18.04 Our company has been using the XTRF translation management system...
August 28, 2018 29
A couple of days ago I decided to give it a try to a dropshipping business and launched a watch store on Shopify - watcheson.sale After playing around with Shopify and trying to figure out which payment gateway I should enable for card processing I noticed there is an option to use Coinbase...
August 23, 2018 7,616
The other morning I faced an issue Could not complete the Save As command because there is not enough memory (RAM)" while trying to save a .pdf files using Adobe Photoshop. I spent a couple of hours before finally found the solution: The solution involves another problem - Error: An...
August 06, 2018 532
The other day I faced this problem - server was not automatically renewing Let's Encrypt certificate:   produced an unexpected error: Problem binding to port 443: Could not bind to IPv4 or IPv6.. Skipping.  It took me some time to debug and find a solution, which is as easy...
July 02, 2018 667
From Drupal Reports status page I noticed gzip is failing for js files error The web servers configuration will need to be adjusted. In most cases make sure that the webroots .htaccess file still contains this section "Rules to correctly serve gzip compressed CSS and JS files". Certain...
June 19, 2018 71
As you might already know search engines (Google) sees www.domain.com and domain.com as two separate domain names. If you are not using 301 redirects (www to non-www or vice verse)you might get penalized for duplicate content.  In Ngnix, there is a simple solution how to make...
May 05, 2018 128
I felt very enthusiastic once Amazon announced OneLink, it seemed like a missing puzzle to serve international customers and boost earnings as an Amazon associate. Now many months later I have very ambivalent feelings regarding this - yes, I've made some extra dollar (pound and euro) by...
April 28, 2018 1,536
After upgrading from Ubuntu 12 to Ubuntu 16 I discovered an error for Drupal website sending e-mails using Mailsystem + Postmark here is the error code: Error: Call to undefined function curl_init() in Mail_Postmark->send() (line 322 of /srv/www/reinisfischer.com/public_html/sites/all/...
February 24, 2018 1,792
In today's article, I'll share my experience how I managed to verify my age for Skype account. It all started that one day I was not able to login to my skype account, which I have been using for more than 10 years already.  It turned out  Skype / Microsoft thought I'm a child, as...
February 20, 2018 2,715
Gekko is a free and open source Bitcoin TA trading and backtesting platform that connects to popular Bitcoin exchanges. It is written in javascript and runs on nodejs For the past couple of days I've been playing around with Gekko trading bot installed on my laptop (Windows 10...
February 18, 2018 125
Think fax is outdated? Think twice, fax is still popular in certain business areas, and fax is kind of popular in the United States. I believe the last time I have seen an actual fax machine in work was back in 1994. Now 24 years later at one stage I thought, it would be good if I would have a fax...
February 17, 2018 4,647
The idea of using a bitcoin trading bot comes up just shortly I decided to trade up from 0.03 to 0.05 BTC. In the past, I've been using Coinlend bot to lend free coins on exchanges and earn some little interest. Doing a quick google search I found a few bitcoin bot traders, most come ...
February 16, 2018 744
February 16 marks a small 2-month anniversary since I've started to mine Ethereum and others altcoins. In today's article let's take a quick review and try to understand is GPU mining still profitable in 2018? It all started with a FOMO back in December 2017, after successful second part...
February 15, 2018 363
A couple of days ago I shared a quick tutorial on how to mine ETC (Ethereum Classic) with SMOS (Simple Mining OS), as there is an upcoming ETC Callisto airdrop happening, the idea to pre-mine couple of ETC's sounded tempting to me.  Now, as I've been using a mixed AMD + NVIDIA mining rig, to...
February 10, 2018 11,370
Now, this is huge and exciting for ETC holders - Ethereum Classic development team recently announced the Callisto Network Project which will result in a 1:1 CLO airdrop for ETC holders. As a holder of ETC, and in fact as a miner of ETC (How To Mine ETC (Ethereum Classic) with SimpleMining OS...
February 09, 2018 4,195
For the past couple of weeks I've been experimenting with crypto mining and started with Claymore's dual miner to learn that I can dual mine both Ethereum and Siacoin out of the box, I put my mining rig as it is and let the machine to mine coins for me. See: I'm Making $0.98 Per Day By Mining...
February 01, 2018 4,206
Putty is a nice and neat free SSH terminal for Windows OS, I've been using Putty for years, mostly to perform server-side tasks (Ngnix, Drupal and so on). About a month ago when I started gpu mining experiment and decided to build 12 GPU Ethereum mining rig, I didn't know much about many...
January 28, 2018 1,831
Asus Geforce GTX 1050 Ti 4GB ROG Strix OC Edition is the latest addition to my Ethereum mining rig, which currently consists of 4 GPU.  Bought back in Tbilisi, and I believe that I just overpaid about $100 for this card, in total spending $296 for this card. Not very cost...
January 25, 2018 3,232
ZOTAC GeForce® GTX 1050 Ti OC Edition is the third graphics card installed on my mining rig.  Bought back in Tbilisi and paid about $220 for this card, see: Buying Graphic Cards (GPU) and Computer Parts in Tbilisi, Georgia. Currently sold on Amazon for about $260 - ZOTAC GeForce GTX...
January 24, 2018 108
From simple crypto investments (buy & hold), speculative day trades, investments in cloud mining contracts, to building a custom 12 GPU ethereum mining rig. Sound enough? Not for me, it was yesterday I decided to get my hands dirty and understand this blockchain economy better and building a...
January 22, 2018 1,290
You have several options if looking to mine bitcoin in 2018 - you could start with cloud mining contracts or you could go all-in and buy specific equipment for bitcoin mining. Speaking from my personal experience - I've been mining altcoins (Ethereum and Siacoin) using GPU mining rig, see:...
January 19, 2018 6,273
This EVGA GeForce GTX 1060 SC GAMING, ACX 2.0 (Single Fan), 6GB GDDR5 is the second graphics card I've put on test for mining Ethereum. Bought from Amazon, together with the rest of mining rig equipment at the end of December, paid about $275 for this card. At the start using default...
January 10, 2018 1,388
I've been mining ether since December 16, 2017, the total hash power currently is about 28MH/s. That's about 1/5 from the planned hash power in 2018.  It all started with a single GPU installed at one of the free office computers, later it has been extended to custom-built GPU ...
December 31, 2017 2,808
Welcome to the last post of 2017, and no surprise but today I will speak about increased Ethereum (and Siacoin) mining profitability by overclocking GPU cards. Those of you following my blog lately already know - in December I decided to build 12 GPU mining rig and ordered goodies from...
December 28, 2017 333
It has been a couple of days since my first GPU mining rig is set up and running, making me a couple of extra dollars every day. In these past couple of days, I have learned a lot, mostly tech stuff how to install different components on a motherboard and to connect to the mining pool. In...
December 17, 2017 5,499
This Sapphire Pulse Radeon RX 560 4GB graphics card is the first I've put on test for mining ethereum. Bought it at about $190 at local Tbilisi electronics shop, but you could get this card from Amazon for about $130. Out of the box, I was able to get 10.72MH/s for Ether and 85.74 MH/s...
December 12, 2017 561
Recently I ordered goodies for my first 12 GPU mining rig, including the motherboard. As I have got a few other PC's I decided to explore, are they optimal for GPU mining, for doing that, I had to learn the motherboard model and version. Luckily, there is a simple command line to run from CMD...
December 08, 2017 6,461
I love testing ideas and even more than just testing new ideas I love testing them using Minimum viable product approach.   I've been in a crypto craze for a while already - started with buy and hold, added little speculative trades, tried an ICO and now even considering to...