# Linux, Devops, Scripting, Cats and various things come to my mind
// also on this box: ./practice, ./tools and ./games
If you often type commands in Greek and English, you might have noticed a common annoyance: typing Greek letters by mistake in the…
cat mistakenly-entered-a-command-in-terminal-in-greek-auto-switch-keyboard.md →RabbitMQ is a lightweight message broker that connects independent services through reliable message passing. It’s widely used in…
cat how-to-send-and-receive-data-with-rabbitmq-named-queues-in-python.md →Assume the following problem, you have myriad of word files and you want to search inside files for a specific keyword and opening each…
cat how-to-use-grep-to-search-text-in-docx-files.md →Ever wondered who’s logging into your Linux box? Whether it’s a critical production server or a personal VPS, it’s smart to get notified…
cat stop-intruders-in-their-tracks-get-an-email-every-time-someone-logs-in-via-ssh.md →One common challenge when using emails to communicate with clients is not just confirming that an email address is valid, but ensuring that…
cat stop-guessing-the-web-api-that-verifies-and-confirms-if-an-email-address-exists-and-is-deliverable.md →In the glorious world of computer science, we have many elegant ways to sort data — quicksort, mergesort, heapsort. They compare, they…
cat stalin-sort-the-sorting-algorithm-that-purges-dissent.md →When working with AWS RDS and connecting via IAM authentication, you’ll often run into a frustrating limitation: the generated…
cat how-to-maintain-an-aws-rds-connection-even-after-the-token-has-expired.md →Yesterday, I had a small failure. I’m the kind of person who makes many small mistakes but also often feels quite confident that things…
cat oops-i-did-it-again-diffing-my-bash-functions-to-find-my-mistakes.md →If you often work in the macOS Terminal and want to quickly draft an Outlook email — complete with body text and file attachments — this…
cat automate-outlook-email-creation-on-macos-with-body-text-and-attachments-from-terminal.md →When working with logs, scheduling, or data pipelines, you often need to convert timestamps from one timezone to another. The date command…
cat converting-timestamps-between-timezones-on-linux.md →
