Tomcat web server installation
Tomcat is one of the most popular free web servers. Tomcat runs on the Linux, Macintosh, and Windows operating systems. To install Tomcat Install the Java Runtime Environment (JRE) Download the Java JRE…
Enable Single Sign-On (SSO) in TeamCity
Enable Single Sign-On (SSO) in TeamCity TeamCity can use the Windows Active Directory to authenticate users. To configure TeamCity to automatically log in users who are already logged into the Windows domain enable the Single Sign-On (SSO) functionality.…
Upgrade TeamCity to a new version
Create a backup of the database and the server before the upgrade Place an instance with a maintenance screen in the load balancer, Remove the TeamCity server from the load balancer, Disable the Chef-Client scheduled task and Chef-Client service to make…
`pwd’: No such file or directory – getcwd (Errno::ENOENT)
When you rename a subdirectory under the directory where your Linux or MacOS terminal is open you may get the error message /opt/chefdk/embedded/lib/ruby/gems/2.4.0/gems/chef-13.4.19/lib/chef/knife/cookbook_download.rb:45:in `pwd’: No such file or…
Switching to a new Chef server
The administrator of the Chef organization Download the validation key Do this only once for the organization. This step resets the validation key, so the existing server images will not be able to connect to the Chef organization. On the Administration…
MySQL Installation
To install the MySQL database server, download the installer from https://dev.mysql.com/downloads/ Download the MySQL Community Server from https://dev.mysql.com/downloads/ On the Generally Available (GA) Releases tab select the operating system and…
Migrate a WordPress web site to DreamHost
DreamHost is one of the recommended WordPress hosting providers. The DreamHost website has an extensive knowledge base, but the necessary steps to move your live site from another provider are scattered over multiple pages at…
Waiting for SSH service on …:22, retrying in 3 seconds
When you try to launch a new EC2 instance in AWS using Chef Test Kitchen and the process times out with the message: Waiting for SSH service on …:22, retrying in 3 seconds $$$$$$ [SSH] connection failed, terminating…
Failed to complete #create action: [undefined method `version’ for nil:NilClass] on …
When you execute kitchen converge to launch an EC2 instance in AWS with Chef Test Kitchen, you get the error message: >>>>> ——Exception——- >>>>>> Class: Kitchen::ActionFailed…
Could not load the ‘ec2’ driver from the load path
When you execute kitchen list and the driver in your .kitchen file is “ec2“, the following error message appears: >>>> ——Exception——- >>>>>> Class: Kitchen::ClientError…