In this article I will demonstrate how to take a Terraform configuration that is using a local state file and migrate its persistent state to a remote Google Cloud Storage bucket (GCS). We will then perform the migration again, but this time to bring the remote state back to a local file. We will illustrate … Terraform: migrate state from local to remote Google Cloud Storage bucket and back
If you need to enable JDWP debugging of your Spring Boot web application in an IDE such as Eclipse, you can append the ‘debug-jvm’ flag to the gradle task, and then from your IDE enable a remote debugging connection to port 5005. I will walk you through a full example, but very quickly, here is … Gradle: interactive JDWP debugging of bootRun gradle task in Eclipse IDE
Unfortunately, with_fileglob only works on files local to the Ansible orchestrator host. It will not build a list of files from the remote directory, even if you use something like the copy module that has ‘remote_source: true’. In these situation, you can use the find module to generate a list of files on the remote … Ansible: find module to create glob of remote files
With Ansible, it is possible to have a variable populated with either the content of a remote or local file. For a file on a remote host, you can use the ‘slurp‘ module to put the content into a register, but then you must base64 decode the content. – name: get content of remote file … Ansible: creating a variable from a remote or local file content
Desktop screen sharing is ubiquitous, but there is still a lot of value in sharing a live terminal screen with another set of users that can not only view, but also have the ability to copy-paste and even provide input. The tmux utility can create a session using a shared socket. To start a tmux … Bash: Sharing a terminal screen among users with tmux
Within current distributions of Linux, there is a kernel component called netem that can be used to test and simulate the type of issues one would see over a Wide Area Network. This component is managed with a tool called traffic controller. This can be helpful during testing/troubleshooting to emulate the network latency or packet … Linux: Introducing latency and packet loss into network for testing
If you are running KVM on a console-only server, you still have the option to use the graphical virt-manager. You just need to specify the method of communication (ssh, tls, tcp, etc). In this article I will show how to use virt-manager from an Ubuntu client desktop to a server running KVM and libvirtd, with … KVM: virt-manager to connect to a remote console using qemu+ssh
Updated April 2023: Tested on Ubuntu 22.04 LTS with X2GO sever 4.1.0 X2Go provides remote desktop access for Linux, similar to VNC or xRDP. It tunnels over ssh which can provide SSH public key authentication for security and is easily understood when opening firewall rules. Additionally, it is optimized for narrow bandwidth requirements, making it … Ubuntu: X2Go on Ubuntu bionic for remote desktop access
An essential part of the standard build process for Java applications is having a repository where project artifacts are stored. Artifact curation provides the ability to manage dependencies, quickly rollback releases, support compatibility of downstream projects, do QA promotion from test to production, support a continuous build pipeline, and provides auditability. Archiva from the Apache … Maven: Installing a private Maven repository on Ubuntu using Apache Archiva
Remote debugging of Java applications from an IDE can be essential when debugging difficult issues. There is no reason to give this functionality up just because you are deploying to a container in Cloud Foundry. In this article we’ll go over how to enable remote debugging from a local Eclipse IDE to a public CF … CloudFoundry: Enabling Java remote debugging with Eclipse
An essential part of the standard build process for Java applications is having a set of repositories where project artifacts are stored. Artifact curation provides the ability to manage dependencies, quickly rollback releases, support compatibility of downstream projects, do QA promotion from test to production, support a continuous build pipeline, and provides auditability. JFrog puts … Maven: Installing a private Maven repository on Ubuntu using Artifactory