Linux

Broker-level controls for a safer Kafka deployment, from service accounts and filesystems to monitoring and recovery.

In the realm of Unix-like operating systems, where command-line prowess reigns supreme, sed stands tall as a versatile and indispensable tool.

If you have ever seen this error, you know the pain of a fellow linux user.

In Unix-like operating systems, file permissions play a critical role in ensuring system security and proper access control.

Linux, as an open-source operating system, has undergone significant transformations over the years.

The story of Linux containers is a tale of innovation and collaboration, with roots surprisingly deep in the history of the Linux operating system itself.

How ansible.cfg, inventory settings, and environment variables fit together in a manageable project.

The /etc/profile.d directory, though seemingly simple, plays a vital role in the smooth operation of your Linux system.

Previously I gave a high level flow for how a process of simple file write looks like in a Linux environment here. In this blog, I will add more tech-details.

Writing to a file on a device in Linux involves a fascinating journey through different layers of the system.

A gentle introduction to Ansible inventory, ad-hoc commands, and the first repeatable playbook.

The Linux Kernel stands as the backbone of the Linux operating system, serving as a critical component that enables the system to interact with hardware and manage system resources efficiently.

Podman Machine is a tool that allows you to manage multiple Linux containers on your local system or on remote servers.

Python and bash are both programming languages, but they have different purposes and use cases.

In this blog let’s try and look at some of the commands I used to build an RockyLinux machine on a MacPro M1.

Bash is different world. Powerful, simple, elegant and complex all at the same time.

Personal notes on Bash: arithmetic, = versus ==, single versus double brackets, and the bc calculator.

You will need a valid docker registry before you add any trigger in the pipeline in Spinnaker

In this blog I will walk you through basic steps needed to deploy a Zabbix 5 Agent on a Centos Machine. The Zabbix Release is available here. Machine # root@node4>cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) Download and install the RPM

MAN Pages are one source of truth for all curious queries. man ps Name ps - report a snapshot of the current processes. It is used to display instant information about the active processes in the system.

The CPU operates in two modes in Linux User mode (non privileged mode) Kernel mode (System mode) When operating in Kernel mode it has un-restricted access to resources like memory and input output devices.

journald is used to query the systemd journal contents. Example 1 # Lets try and see the kubelet service logs in the systemd journal

Ping # I have used ping often but never to an extend that I could understand the complete range of options and power available at hand.

systemd is the replacement system for System V and with the primary goal of starting services in parallel. Remember init levels? GRUB: Grand Unified Boot Loader — /boot/grub/grub.conf Some key points

Usually I use Centos, but this time I wanted to try out docker swarm and ubuntu was the preferred option due to the options and supporting blogs available.

All right, its been a busy week and finally some time at hand to write about something I have been doing.

Did you ever see a warning printed on your console the moment you log into your Linux machine and did that warning ever complaned to you about the benign locale?