Bash A Shell Tricks: Search and Replace It's easy to use VS Code to search and replace text entries. Yet, mass file renaming is a fairly common task, especially when you move Ansible inventories or other artifacts across environments.
Linux A Shell Tricks: Dash-Minus Fuss All *nix systems are similar to ogres and onions - they all have layers. System layer, user layer, core commands with the neanderthal accessory lines. It adds to neverending fun. Command-line warriors should memorize all kid of argument notations and formats for the most common tools.
Ansible Ansible: Date and Time Anyone who works with Ansible knows how to access the current date and time. But have you ever dealt with something a bit more advanced? There are a few tips you may find helpful.
Database Ghost + MySQL Upgrade I have delayed the blog upgrade as much as possible due to a mandatory upgrade to MySQL8. However, I had my decent share of database upgrades in the past, and I'm not happy to get back into this boat.
AWS When specialty beats functionality While back I wrote a short piece about Pandoc. My excitement about it stands true, yet it's a last-century utility you don't want or can't use in cloud-native applications. Well, I found a new one - WKHTMLTOx
Conda Conda: Environment configuration With a high probability, you own a powerful computing device that could be used as a standalone system for developing, debugging, and testing applications. And it would be a good idea - to use virtual environments to limit cross-project dependencies and keep your OS package list under control.
JSON JQ is a new GREP If you are a cloud system administrator, security analyst, or data scientist, you already use jq (JSON Query), and if you don't, you should.
development Game of Words I felt for Wordle [https://www.nytimes.com/games/wordle/index.html] the day I read about it, and now my morning starts with a fresh cup of coffee and
No Technology Today For the second day in a row, I can't get my thoughts together to write another technological post. The horror in Ukraine and the grim prospect of Russian citizens condemned
OCI OCI: Firewall on Ubuntu 20.04 If you have created a load balancer and can't reach your backend servers, check a target firewall configuration, especially if you run Ubuntu.
Documentation Pandoc: My Missing Tool With the "everything as a code" approach, it's natural to treat documentation as a code and use the same source code management and delivery techniques. I know how to create and deliver documents. And now I found my missing link, static content generator - pandoc.
Oracle HTTP Server Standalone Oracle HTTP Server: Deployment Options In one of my previous posts, I mentioned multiple Oracle HTTP server deployment options. Let me do a small "show & tell" to explain how I pick the configuration.
Oracle HTTP Server Mysterious TLS in Oracle HTTP A little "forget-me-not" from a recent Oracle HTTP server troubleshooting, but it could happen to Apache HTTPD as well. To set up a stage: a work installation of the Oracle HTTP Server, stop presenting certificates on the secured port.
Database Flashback: The Lesson I Learned This piece is not about features or products. It's about lessons that we learn or not. The one I learned some twenty-three years ago was: "Don't ask for troubles and do one thing at a time."
Containers Docker: Logn Errors Recently, I spent some time trying to find why I can not push my just-from-the-own image into the GitLab project registry. The message "illegal base64 data at input" is a bit confusing, but the solution is simple.
Ansible Ansible: Dynamic Inventory I know that Ansible could use as inventory virtually anything, including scripts. However, all inventories on my day job are static, and we keep them in a source repository, and until now, I haven't had a chance to create or use one.
A Simple Token Generator My friend's given me a perfect tip: "Whenever I need a random sequence of characters, I use OpenSSL rand functions." And to be a bit fancy, I pick the value
Terraform Sensitive data in Terraform Terraform is probably the best choice to manage your infrastructure as a code. And if we are talking code, let's see how you can keep sensitive information away from your code repository.
Ansible Ansible: Markdown Reports The previous post [https://chronicler.tech/ansible-simple-reports] promised a simple reporting solution and two potential possibilities. Now it's time to go through the solution that would help you with report
Ansible Ansible: Format e-mail body. The whole automation idea is to minimize or exclude humans from the process. However, you need to notify users and sometimes you should do it in style.
Ansible Ansible: Simple Reports Any IT system, bigger than a chihuahua, ought to produce reports. It does not matter how they look, but it should generate and share information that humans can read.
Ansible Ansible, YAML, and JSON Ansible is very flexible with data types, and easily transforms primitives and even JSON strings, but from time to time you need to process and transform something a bit more complex than String to Boolean conversions.
Ansible Ansible: Iterations Iterations in Ansible are not first-class citizens. The language allows you a single task loop with one nested iteration. Anything more sophisticated than that should be implemented as a separate module. Again, the include_tasks command gives us a helping hand.
Ansible Ansible: Selections Let's discuss selections in Ansible: if-then-else and case/switch operators. Ansible offers conditional execution for single tasks, blocks, and task imports. In addition, it allows effectively simulate if-then selection.
Now on Telegram The Ghost blog platform offers powerful integration capabilities. From the early days, we have enabledRSS [https://chronicler.tech/rss]feed, available practically out of the box. In addition, pre-configured integrations
