How to debug ZooKeeper connection inside a Python script

Debug ZooKeeper connection inside a Python script. | Continue reading


@sleeplessbeastie.eu | 2 days ago

How to install GitLab on Raspberry Pi

Install GitLab on Raspberry Pi. | Continue reading


@sleeplessbeastie.eu | 4 days ago

How to install LXD on Raspberry Pi

Install LXD a next generation system container and virtual machine manager on Raspberry Pi using DietPi a highly optimized minimal Debian OS. | Continue reading


@sleeplessbeastie.eu | 6 days ago

How to enable memory cgroup on DietPi

Enable memory cgroup on a DietPi an extremely lightweight Debian OS on Raspberry Pi. | Continue reading


@sleeplessbeastie.eu | 8 days ago

How to downgrade cgroup version on DietPi

DietPi an extremely lightweight Debian OS is using cgroup v2 on Raspberry Pi, but this causes warning when using snap packages… | Continue reading


@sleeplessbeastie.eu | 9 days ago

How to fix broken Prometheus service in GitLab arm64 14.4.2

Fix broken Prometheus service in GitLab arm64 14.4.2. | Continue reading


@sleeplessbeastie.eu | 12 days ago

How to reset offset of Kafka consumer group

Reset offset of Kafka consumer group. | Continue reading


@sleeplessbeastie.eu | 14 days ago

How to use tmpfs for temporary directory

How to use tmpfs for temporary directory (/tmp). | Continue reading


@sleeplessbeastie.eu | 17 days ago

How to perform basic console operations on Kafka cluster

Perform basic console operations on Kafka cluster. | Continue reading


@sleeplessbeastie.eu | 19 days ago

How to display active Kafka brokers

Display active Kafka brokers using command-line utilities. | Continue reading


@sleeplessbeastie.eu | 21 days ago

How to resize live tmpfs filesystem

Resize live tmpfs filesystem. | Continue reading


@sleeplessbeastie.eu | 24 days ago

How to align simple MariaDB output

Use column utility to align simple MariaDB output like variable list. | Continue reading


@sleeplessbeastie.eu | 25 days ago

How to install mainline Linux kernel on Ubuntu-based distribution

Install mainline Linux kernel on Ubuntu-based distribution. | Continue reading


@sleeplessbeastie.eu | 27 days ago

How to inspect and improve docker image using dive utility

Inspect and improve docker image using dive utility for exploring each layer in a docker image. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to install and configure a Kafka cluster without ZooKeeper

Install and configure a Kafka cluster without ZooKeeper to play with it. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to install and configure a Kafka cluster with ZooKeeper

Install and configure a Kafka cluster with ZooKeeper to play with it. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to generate Kafka cluster ID

Generate Kafka cluster ID for Kafka Raft metadata mode. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to use ZooKeeper to elect the leader with a Python script

Use ZooKeeper to elect the leader and share data with a Python script. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to use ZooKeeper to lock resources with a Python script

Use ZooKeeper to lock resources with a Python script. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to enable ZooKeeper the four letter words

Enable the four letter words. This functionality will be deprecated, please use AdminServer instead. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to relay all mail to external account

Relay all mail to an external account which can come in handy in your lab environment. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to provide additional JVM options to ZooKeeper instance

Provide additional JVM options to the ZooKeeper instance. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to display ZooKeeper startup options

Display ZooKeeper startup options. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to protect Samba DNS server against DNS zone transfer

Debian Bullseye currently provides Samba 4.13.5. Using BIND as Samba Active Directory DNS backend opens it to the DNS zone transfer. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to execute ZooKeeper commands using command-line interface

Execute ZooKeeper commands using command-line interface. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to enable ZooKeeper audit logging

Enable ZooKeeper audit logging. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to configure ZooKeeper cluster

Install and configure a basic ZooKeeper cluster to play with it. | Continue reading


@sleeplessbeastie.eu | 1 month ago

How to install standalone ZooKeeper server

Install standalone ZooKeeper server to play with it. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to log HDFS operations

Perform HDFS audit logging. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to create a new tmux window with a given name

Create a new tmux window with a given name. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to inspect mitigations for CPU vulnerabilities

Inspect mitigations for CPU vulnerabilities. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to create Yarn nodes whitelist

Create Yarn nodes whitelist | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to save namespace and perform checkpoint

Save namespace on namenode and perform checkpoint on secondary namenode. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to squash Docker image

Squash Docker image to remove unnecessary layers in case you do not have a need to keep them. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to inspect Hadoop configuration using command-line

Inspect Hadoop configuration using command-line. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to mount HDFS as a local file system

Mount HDFS as a local file system. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to create custom WordPress post type

Create a custom WordPress post type to keep your ideas in one place. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to enable Control Group v2

Enable Control Group v2 for podman to display container’s resource usage statistics. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to create personal tmux configuration

This is an updated blog post to reflect changes over the last five years (especially GitHub issue #1688) as I am still tmux terminal multiplexer on daily basis. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to build DokuWiki container with podman

Build DokuWiki container with podman. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to pretty-print text files inside terminal

Pretty-print text files inside terminal using bat a cat clone with syntax highlighting and Git integration. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to create Hadoop data nodes whitelist

Create Hadoop data nodes whitelist. | Continue reading


@sleeplessbeastie.eu | 2 months ago

How to leave Hadoop safe mode

The Hadoop cluster enters safe mode during the name node startup till the basic indicators are met and later in case of emergency, which means that the cluster enters read-only mode. | Continue reading


@sleeplessbeastie.eu | 3 months ago

How to use docker-compose to setup a WordPress instance

Use docker-compose to instantly setup a development WordPress instance. | Continue reading


@sleeplessbeastie.eu | 3 months ago

How to install SmokePing on Debian Bullseye

Keep track of network latency using SmokePing on Debian Bullseye. | Continue reading


@sleeplessbeastie.eu | 3 months ago

How to limit the number of available processors

Use boot parameters to limit the number of available processors. | Continue reading


@sleeplessbeastie.eu | 3 months ago

How to decommission Yarn node

Decommission Yarn node with minimal impact on the running applications. | Continue reading


@sleeplessbeastie.eu | 3 months ago

How to prepare Microsoft Windows USB installation media on Linux using WoeUSB

Prepare Microsoft Windows® USB installation media on Linux using WoeUSB. | Continue reading


@sleeplessbeastie.eu | 3 months ago