If you really know one programming language, you can learn others too. The most important part is to understand the concept of computer programming. All languages are built on similar type of instructions, some of them require a semicolon at the end of the line, others don’t. Some of them use curly braces {} to […]
Category Archives: Not for home page
Install Windows 10 from a USB drive
Modern computers don’t have DVD drives anymore. To install Windows 10 on a new system you need to place the Windows 10 installation media on a bootable USB drive. To prepare the bootable USB drive you need a working computer with Windows 10. Insert a USB drive into your old computer (all files will be […]
Using MSSQL
Assign a database security role to a Windows security group List the members of a database server group
Microsoft SQL Server clients
To connect to an MSSQL database on Macintosh Install the Azure Data Studio Download it from Download and install Azure Data Studio on Windows Install SSMS (SQL Server Management Studio Download it from Download SQL Server Management Studio (SSMS) Install the Azure Data Studio Download it from Download and install Azure Data Studio
Docker Compose commands
To view the final configuration values of the docker-config.yml file after reading the environment variables from .env file, and all variable substitutions are done Make sure the config file in the current directory is named docker-compose.yml Execute
Connect the Portainer Server to an existing Portainer Agent
With Portainer we can monitor multiple Docker Swarms from one Portainer Server. To connect an existing Portainer server to an agent Configure the Agent For security reasons, by default, the Portainer Agent only accepts connection from the first Portainer Server it encounters. To enable the Portainer Agent to connect to multiple Portainer Servers, add the […]
Portainer troubleshooting
The Portainer server restarts every 5 minutes before the admin account is created When the Portainer server starts, waits 5 minutes for a user to create the admin account. If no account created in the first 5 minutes, the server stops with error code 1, message: No administrator account was created after 5 min. Shutting […]
Chef Test Kitchen converge pauses with Transferring files to <...>
The first step of the Chef Test Kitchen converge operation is to transfer the cookbooks to the instance. If any of the cookbooks contain large files, the operation can take minutes while the terminal displays the message Transferring files to < … >
Docker Stack commands
List the Docker Stacks NAME SERVICES ORCHESTRATORsyslog-ng_splunk 3 Swarm List all Docker services List the services of a stack List the services of a stack with the full error message, do not truncate the output
Troubleshoot stopped containers
The stopped Docker containers are still available for troubleshooting. You can create an image of them and run them as new containers to inspect the log files and execute commands in them. View the standard output of the failed container Run a failing container with a Bash terminal If a container exists with an error […]