This guide describes how you can unlink a hard disk from Linux/Unix. This might be useful for instance if you replaced a disk image in Virtual Box or another VM. WARNING: Do a backup of your virtual machine first or, if you are running on a physical computer, make
If you have a folder C:\Test and you would like to share it with your Windows Homegroup, you can do so in the Windows Command line (cmd.exe) or in a Batch file with the net share tool. The folder above could be shared with the name "Test&
Good load testing of web and cloud applications should involve many concurrent connections originating from diverse networks. To set up such tests on your own is not trivial and probably very expensive. Thankfully, there are numerous service providers, which allow to use their infrastructure for testing your applications. A few
java
Problem You would like to install Oracle JDK using Puppet. Using the puppetlabs/java module, you might get an error message such as: Error: Java distribution oracle-jdk is not supported. at […]/init.pp:57 on node […] Solution Use the module puppet-jdk-oracle. Just follow the installation instruction from the GitHub page.
mysql
I just spent a fair amount of time setting up MySQL replication between two servers encrypted by SSL (using MySQL 5.1.73). I struggled with fixing a nasty error displayed only as 'ERROR 2026 (HY000): SSL connection error'. In the following, I have collected a few possible
mysql
If you are using Linux, there is simple way to check if a user exists in MySQL: echo `mysql -u root -p**[your root password]** -e 'use mysql; SELECT user FROM user;'` | grep '[user name]' Executing this command will exit with return code 0 if the
productivity
I had a brief look around today for Cloud-based (SaaS) CRM solutions which are free and of use for small businesses and startups. My recommendation as of now would be to go with Podio. It's free and offers a nice set of features and integrations. Here is the
productivity
The free software Calibre allows to convert various ebook formats (such as EPUB and MOBI) into PDF documents. Unfortunately, the default settings of Calibre do not result in the creation of easily readable documents. Thus, I have provided here some sample settings for a nice looking PDF output for Calibre:
tools
Printing from any windows application to a PDF printer is not supported in the most recent Windows versions by default. Most free applications for this purpose which can be found through a simple Google search unfortunately often come with unwanted Malware or Adware (hello, Ask.com toolbar!). However, there is
life
One of the most challenging aspects of knowledge work is one that is often overlooked: much of what we call knowledge ‘work’ is actually quite fun. Think of an entrepreneur, a software developer who likes to write code, think of a manager who likes to see her objects develop in
PDFSAM or PDF Split and Merge is a wonderful tool for working with PDF files (e.g. split one PDF into multiple files, join multiple PDFs into one file or reordering the pages within a PDF file). Unfortunately, the default installer available from their home page or source forge comes
happiness
Organizing tasks is no small effort as anyone who has tried surely knows. While a simple list of tasks suffices for a few days (the good, old To Do list), such lists customarily outgrow their format; there’ll simply be too many items and the list once devised to make