Windows 10 can’t connect to this network
If your Windows 10 computer can successfully connect to some wireless networks, but cannot connect to certain wireless networks, it is possible, that the stored credentials are out of date. To force Windows 10 to ask you for the updated username and…
How to disable Microsoft OneDrive on Windows 8.1 and Windows 10
To disable OneDrive on Windows 8.1 and Windows 10 navigate to https://support.office.com/en-us/article/Turn-off-or-uninstall-OneDrive-f32a17ce-3336-40fe-9c38-6efb09f944b0 and follow the instructions for your computer’s operating system.
Find the AWS AMI that a RightScale server template is using
When you use RightScale to launch servers in the cloud, you want to use the same base image to test your Chef cookbooks in Test Kitchen. Packer by Hashicorp is a utility to create custom server images based on cloud images. You supply the image ID and…
Mailbox unavailable. The server response was: No such user here
When you send email from an application, most SMTP servers require authentication. Your application needs to supply a valid username and password to be able to connect to the server. This prevents strangers to use your SMTP server and send millions of…
Unable to read data from the transport connection: net_io_connectionclosed.
When your application tries to send an email using a Gmail account you may get the error message: Unable to read data from the transport connection: net_io_connectionclosed. One of the causes can be, when “Less secure apps” are not allowed to…
The .NET MVC model has to have a parameterless constructor
When you create a class to be used as the model in a .NET MVC application, the class has to have a parameterless constructor. It is called during the POST when the user clicks the submit button of the form. If the class does not have a parameterless…
Turn off the built in touchpad when a mouse is attached
All laptops today feature a touchpad, that enables you to move the pointer on the screen. It can be very annoying when your thumb accidentally moves the cursor when you type, even if an external mouse is connected to the computer. Windows 10 provides a…
How to verify or generate file checksums
You can verify the checksum of a file with the built-in features of the operating systems On Macintosh and Linux Open the terminal window and execute the commands SHA-256 shasum -a 256 FILE_NAME On Windows CRC32, CRC64, SHA256, SHA1, BLAKE2sp Right-click…
Upgrade TeamCity to version 10
Upgrade TeamCity to version 10 Create a backup of the database and the server before the upgrade Disable the Chef-Client scheduled task and Chef-Client service to make sure Chef does not alter the server during the upgrade. Disable the authorized agents…
Set up the Artifactory repository authentication
To secure Artifactory repositories follow the steps below Log into Artifactory as an administrator On the left select Admin Add users In the Security menu select Users In the upper right select New Create users for admin, writer, and reader. Make sure…