Recent notes

How to preform reverse DNS lookup

Preform reverse DNS lookup using dig command-line utility.

September 22, 2023 · milosz

How to take control over trash using command-line

Take control over trash using command-line utility.

September 20, 2023 · milosz · Ubuntu

How to display addresses assigned to network interfaces using Python

Display addresses assigned to network interfaces using Python script.

How to perform multiple indexing operations using single API call

Perform multiple indexing operations using single API call to Elasticsearch cluster.

How to create Kubernetes cluster

Create Kubernetes cluster.

How to send syslog messages using command-line utilities

Send syslog messages using logger, bash and netcat command-line utilities.

How to delete Elasticsearch indices using wildcard expression

Delete Elasticsearch indices using wildcard expression.

How to list outgoing connections

List outgoing connections.

September 6, 2023 · milosz

How to filter specific IP address

Filter specific IP address.

September 4, 2023 · milosz

How to display default gateway

Display default gateway.

September 1, 2023 · milosz

How to display release information

Display release information using command-line.

How to check for pending upgrades on Ubuntu

Check for pending upgrades on Ubuntu.

August 28, 2023 · milosz · Ubuntu