How to Scale Docker Swarm Services

Jack Wallen demonstrates how to attach and remove nodes from clusters in Docker Swarm to scale your services up and down as needed.
The post How to Scale Docker Swarm Services appeared first on Linux Today.

How to Install Veritas Cluster Server 8.0 in RHEL

Veritas Cluster Server, commonly known as VCS, is used by organizations around the world to host their mission-critical applications and ensure always-on high availability for their hosted applications. This ensure …

The post How to Install Veritas Cluster Server 8.0 in RHEL first appeared on 2DayGeek.

How to Start, Stop, and Restart Services in Linux

Controlling services in Linux doesn’t have to be a confounding experience. Here’s how the process works and why it is often seen as an overly complicated task.
The post How to Start, Stop, and Restart Services in Linux appeared first on Lin…

This Extension Adds MacOS style Apple Menu in Ubuntu 22.04 | 23.04

For users switching from macOS, there’s an extension can replace top-left ‘Activities’ with ‘Apple Menu’ in Ubuntu 22.04 and Ubuntu 23.04. It’s ‘Maccy Menu’, which adds a menu in top-left with following options: About This PC, System Preferences (Settings), App Store (Ubuntu Software / Gnome Software) Recent Items (Recent Files) Force Quit (xkill) Sleep Restart […]

Search the Web Faster in GNOME Shell with this Extension

GNOME Shell’s overview means you’re never more than a super key press away from launching apps, opening folders, checking timezones, copying emoji, and more. Now, a new GNOME extension makes…

The post Search the Web Faster in GNOME Shell with this Extension is from OMG! Linux and reproduction without permission is, like, a nope.

www @ Savannah: Richard Stallman speaks about machine learning systems

In his speech at the University of Pisa on June 7, Richard Stallman

addressed the topic of machine learning systems (so-called “artificial intelligence”) and answered the question of whether the training data should be released.

29:00 – 54:00 an…

PostgreSQL Work_Mem

Comprehensive tutorial on understanding the role of the work_mem parameter in PostgreSQL, its effects on the database engine and operations, and more.

Postgres With

Comprehensive tutorial on how how to create and work with the Common Table Expressions in PostgreSQL using the PostgreSQL WITH keyword using various techniques.

Postgres Variables

Practical tutorial on how to work with PostgreSQL variables and how to to define, reference, and use these variables in a PL/SQL block using various examples.

Postgres Switch User

Tutorial on switching users in PostgreSQL using the command-line and graphical user interface methods to manage the databases and perform administrative tasks.

PostgreSQL Switch Database

Compehensive tutorial on the fundamental methods to switch the databases in the PostgreSQL server using the PSQL utility, SET command, and connection clients.

PostgreSQL Show Extensions

Tutorial on the role of extensions in PostgreSQL and how to install and view the installed extensions in PostgreSQL server using various commands and methods.

Postgres Row_Number Function

Practical tutorial on the fundamentals of working with the row_number() function in PostgreSQL to assign a unique integer value to each row in the result set.

How to Reset Your Portainer Admin Password

Forgot your Portainer admin password? Learn how to use a handy tool to help you reset it with a tutorial from Jack Wallen.
The post How to Reset Your Portainer Admin Password appeared first on Linux Today.

Postgres Reset Password

Guide on the various methods and techniques that we can use to reset a user password in PostgreSQL server using the PSQL utility, pgAdmin, and editing password.

Remove the NOT NULL Constraint in Postgres

Practical guide on on how we can work with the NOT NOLL constraint in PostgreSQL and how to drop or remove an existing NOT NULL constraint from a given column.

PostgreSQL “Relation Doe Not Exist” Error

Simple guide on what the “Postgres relation does not exist” error means, the possible causes, and the potential solutions or techniques to resolve this error.

Postgres Rank

How to work with rank() function in PostgreSQL to fetch the rank of a given row from a result set based on the defined conditions and create complex queries.

Postgres Random Number

Random numbers are crucial in various aspects of database management and analysis. For example, in databases, random numbers are fundamental to generate the test data, select random records, distribute the workloads, and enhance the data security. This tutorial explores the different techniques to generate random numbers in PostgreSQL, ranging from basic functions to more advanced […]

Textual: The Python Library for Creating TUI’s and CLI’s Apps

Textual is an open-source Python framework created by Will McGugan, which is intended for rapid application development.
The post Textual: The Python Library for Creating TUI’s and CLI’s Apps appeared first on Linux Today.