Snippet Collections

Send an HTTP GET request to `https://example.com` using `curl` with the `--location` option, which follows redirects if the URL is moved. This demonstrates making a simple HTTP request.

Make an HTTP GET request to `https://example.com` using `curl` and include the response headers in the output. This demonstrates how to fetch a web resource and display both headers and body.

Send an HTTP GET request to `https://example.com` using the `curl` command. This demonstrates making a simple web request.

Schedule a script to run at a specified time using the `at` command. The script requires a time specification (`TIME_SPEC`) and the path to the script (`SCRIPT_PATH`) as arguments. This demonstrates how to schedule tasks in Bash.

Remove a scheduled task with ID `1` using the `at` command. This demonstrates how to delete a previously scheduled task.

Display the content of the scheduled task with job ID `1` using the `at` command. This demonstrates how to inspect the details of a specific scheduled task.

List all scheduled tasks using the `at` command. This command displays the queue of jobs scheduled to run at a later time.

This snippet exports the current user's crontab entries to a specified file at `/path/crontab`. This is useful for backing up scheduled tasks.

This snippet installs a new crontab file located at `/path/crontab` to schedule tasks. It demonstrates how to replace the current user's crontab with a predefined file.

Edit the current user's crontab file to schedule tasks. This command opens the crontab file in the default editor, allowing the user to add, modify, or remove scheduled tasks. This demonstrates how to manage scheduled tasks using `crontab`.

List the current user's cron jobs using the `crontab -l` command. This demonstrates how to view scheduled tasks configured for the user.

Measure the execution time of the `tree` command, which lists directory contents in a tree-like format. This demonstrates how to time a command's execution in Bash.

Print the current date and time in ISO 8601 format with nanosecond precision. This demonstrates how to get a highly precise timestamp.

Print the current date in ISO 8601 format (YYYY-MM-DD) using the `date` command.

Terminate all processes named `foo` using the `killall` command. This demonstrates process termination by name.

Terminate all processes named `foo` forcefully using the `pkill` command with the `-9` signal. This demonstrates how to kill processes by name.

Kill all processes named `foo` using the `pkill` command. This demonstrates terminating processes by name.

Display the nice value (priority) of a process by its PID using the `ps` command. This demonstrates how to check the scheduling priority of a process.

Upgrade all installed packages to their latest versions using `apt`. This command ensures that the system's software is up-to-date with the latest security patches and features. This demonstrates package management.

Uninstall the `wget` package using the `apt` package manager. This command removes the `wget` utility from the system.