A Technical I.T./DevOps Blog
19 Git Tips for Everyday Use by Alex Kras
The Beginner’s Guide to GitHub by Thomas Mailund
Building Tools with GitHub: Customize Your Workflow by Chris Dawson and Ben Straub
Distributed Version Control with Git: Mastering the Git Command Line – Third Edition (vogella Series) by Lars Vogel and Alex Blewitt
Dive into GIT by James Ware
Eclipse 4.5 Git Course for Java Eclipse Developers by John R.
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Problem scenario
You are using a SQL front end to query a Postgres database. (To view directions for installing a free front-end GUI application, click here.) You have run various commands to prove the connection to the database server works.
Running this query
select version();
shows
“PostgreSQL 9.5.6 on x86_64-pc-linux-gnu, compiled by …”
You have used CREATE DATABASE successfully.
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Apache Jakarta-Tomcat by James Goodwill
Apache Tomcat 7 by Aleksa Vukotic and James Goodwill
Apache Tomcat 7 Essentials by Tanuj Khare
Apache Tomcat 7 User Guide by Apache Software Foundation
Apache TomEE Cookbook: Apache TomEE Administrator Cookbook by Mr Gurkan Erdogdu
Beginning JSP, JSF and Tomcat: Java Web Development (Expert’s Voice in Java) by Giulio Zambon
Connection Pooling in a Java Web Application with Tomcat and NetBeans by Arthur Buliva
Deploying with JRuby 9k: Deliver Scalable Web Apps Using the JVM by Joe Kutner
Developing a Java Web Application in a Day: Step by step explanations with Eclipse Mars,
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Problem scenario
From a SQL front end you are connected to a Postgres database as user jdoe. You try to create a database with the “create database verycool” SQL command. You get this message: “ERROR: permission denied to create database.”
You try to enter the database from the back end, but you get ‘psql: FATAL: role “root” does not exist.’ Or you may even get the error “psql: FATAL:
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Problem scenario
Your HAProxy server seems to be up, but it is not working (as a load balancer or otherwise). You use nmap or a PowerShell port testing program (see “Using PowerShell Version 3, How Do You Determine If a Port Is Open for a given IP Address?“). You find that there is activity on port 80 and/or the traffic is not blocked over port 80.
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Problem scenario
You want to use Telnet on your Windows 7 computer. When you try to use telnet, you get
“‘telnet’ is not recognized as an internal or external command, operable program or batch file.”
How do you fix this?
Solution
1. Open a command prompt hold the Windows key, tap the r key once,
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Continue reading “How Do You Install Telnet on a Windows 7 Machine?”
The Art of Scalability: Scalable Web Architecture, Processes, and Organizations for the Modern Enterprise (2nd Edition) by Martin L. Abbott and Michael T. Fisher
Cloud Computing for Complete Beginners: Building and Scaling High-Performance Web Servers on the Amazon Cloud by Ikram Hawramani
Even Faster Web Sites: Performance Best Practices for Web Developers by Steve Souders
Getting Started with Memcached by Ahmed Soliman
High Performance Drupal: Fast and Scalable Designs by Jeff Sheltren,
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Continue reading “A List of Books About Website Performance, High Availability and Scalability”
Question
Can SSH work between a Linux server and a Windows client when the Window’s machine has inbound port 22 traffic blocked?
Answer
Yes. Some VPN tunnels initiated on a Windows machine block inbound port 22 traffic (but not all). Regardless of whether a firewall or VPN tunnel prevents inbound connections over port 22 to a Windows machine, you can make establish an SSH connection over port 22 from a Windows machine.
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Agile Data Warehouse Design: Collaborative Dimensional Modeling, from Whiteboard to Star Schema by Lawrence Corr and Jim Stagnitto
Applying SOA Principles in Informatica: Applying Service Oriented Architecture (SOA) principles in Informatica PowerCenter by Mr Keshav Vadrevu
INFORMATICA INTERVIEW QUESTIONS & ANSWERS: Hands on tips & questions to crack the interview. by ks
Informatica Powercenter 9.x ETL Developer Including 20+ Hours of Online Video Tutorial by Rudrani Josh
Informatica PowerCenter – The Complete Reference: The one-stop guide for all Informatica Developers by Mr Keshav Vadrevu
Learn Informatica in 1 Day: Definitive Guide to Learn Informatica for Beginners by Krishna Rungta
Learning Informatica PowerCenter 9.x by Rahul Malewar
SAP and Informatica PowerCenter Internal Tables: Consultant Guide by Mirzakhmet Syzdykov
For a DevOps ETL quiz,
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The 2011-2016 World Outlook for Bioinformatics by Icon Group International
The 2016-2021 World Outlook for Bioinformatics by Icon Group International
Adjusting Autonomy in Multi-Agent Bioinformatics Integration Systems: A criticality-based framework by Konstantinos Karasavvas
Advanced Python for Biologists by Dr Martin O Jones
Advance in Structural Bioinformatics (Advances in Experimental Medicine and Biology) by Dongqing Wei, Qin Xu, Tangzhen Zhao and Hao Dai (Editors)
Advances in Bioinformatics and Its Applications – Proceedings of the International Conference (Series in Mathematical Biology and Medicine) by Matthew He,
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