Crowdstrike Interview Questions (7+ Questions)

We need to delete all directories under TMP folder that are empty, not the files, not the folders that contain anything but only empty directories. To solve this question, we'll use find command. Find folder name type D. That's for directories. Type F. You know it's for files and hyphen empty to show only empty ones. Use pipe WC hyphen L to count lines, and we have 16 empty directories. Next, we'll use hyphen delete flag in find command to delete those directories. And we'll use exactly the same command, just add delete flag.

Learn how to diagnose and restore firewall access for SSH using Linux Bash commands. This guide covers identifying active firewall systems, inspecting current rules, adding inbound SSH permissions, reloading configurations, and verifying connectivity, essential for troubleshooting locked-out SSH access and managing firewall security in production environments.

Master systemd journal monitoring for diagnosing service crashes and crash loops in real-time. Learn how to live-follow systemd service logs, capture crash sequences with full context, identify application errors during rapid restart cycles, and extract root causes from journal output. This guide covers using journalctl for real-time log streaming, correlating application errors with systemd restart messages, capturing multi-cycle crash patterns, and troubleshooting services that fail during initialization. Essential for debugging microservices, identifying port conflicts, SSL certificate issues, and rapid failure loops in production environments.

We have a Git repository on the home repo that has been created already, and we've modified three files, app js, style css, and config json. We need to stage only app js and style css. Staging means that those files will be committed and could be pushed to a remote repository and so on. And we'll leave config unstaged. Move to the repo directory. Use git add to stage files app js and style css. Use git status and we can see that those two files are staged as config json is not staged.

We have a Git repository where we did some mistake. We need to revert last three commits so we can recommit it more properly. Run Git status to see any uncommitted changes and we have nothing to commit. We need to run Git reset soft head three means we go back. An important part here is this soft. It means that we'll revert back to three commits, but we will keep the local changes intact, meaning they'll be staged. If we reset hard, we will discard local changes as well. We reset everything, local changes and commits. We can see that those files are modified, they're staged, they're not reset.

Inspect a TLS certificate to extract its issuer and validity period before a service goes live.

Master input field validation with Selenium. Learn basic input finding and property checking for beginners....

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