Latest Articles
Browse the latest tutorials, guides, and practical examples across Linux, DevOps, security, databases, and programming on GoLinuxCloud.
Explore the latest tutorials and guides across Linux, DevOps, programming, and more.
You can also browse content by category below:
- Linux: Commands, administration, troubleshooting, and system operations
- DevOps: CI/CD, Kubernetes, containers, and automation
- Programming: Coding tutorials, scripting, and development concepts
- Security: Ethical hacking, system security, and best practices
- Databases: MySQL, MariaDB, PostgreSQL, and database management
- Networking: Network setup, troubleshooting, and protocols
- Storage: Disk management, file systems, and storage solutions
- Tools: Useful tools and utilities for productivity
2233 articles
CPU, Processors, Cores, Threads, Hyper-Threading and Cache Explained
Understand CPU, processor, socket, core, thread, hyper-threading, CPU cache, frequency scaling and Linux commands like lscpu, nproc, mpstat and cpupower with …
Kubernetes SecurityContext Explained with Practical YAML Examples
Learn Kubernetes SecurityContext with practical YAML examples for runAsUser, fsGroup, Linux capabilities, privileged containers, readOnlyRootFilesystem, and …
Kubernetes Sidecar Pattern Explained with Real Examples (Multi-Container Pod YAML)
Learn how Kubernetes sidecar containers work with practical multi-container Pod examples. Understand shared volumes, shared network namespaces, logging …
Kubernetes Secrets | Declare confidential data with examples
In this article we will explore the usage of Kubernetes Secrets using some real time scenarios and examples. Ideally we use Secrets to declare confidential
Python Add to Dictionary: Add Key-Value Pairs, Update, and Append
Learn how to add to a dictionary in Python using key assignment, update(), setdefault(), |=, and dictionary unpacking, with examples for single keys, multiple …
Python argparse Example
Learn Python argparse with practical examples for positional arguments, optional flags, default values, type conversion, choices, nargs, boolean flags, and …
How to Clear System Storage on Mac Using Terminal (Advanced Guide)
Learn how to clear system storage on Mac using terminal commands. This advanced guide covers disk usage analysis, cache cleanup, log removal, and …
How to add label to running pod in Kubernetes
There are two methods to add label to running pod in Kubernetes. Using kubectl label pods or kubectl edit command to edit a resource object.
How to add or remove label from node in Kubernetes
Add a label to node. Remove a label from node. Use kubectl label node to add or remove a label from worker or controller nodes in Kubernetes Cluster
pam_faillock: lock user account after X failed login attempts in Linux
This pam_faillock module maintains a list of failed authentication attempts per user during a specified interval and locks the account in case there were more …
pam_tally2: lock user account after X failed login attempts in Linux
Use pam_tally2 to lock user account in Linux after X failed login attempts. Lock root and normal user, exclude users and group from being locked out.
5 effective ways to unlock user account in Linux
How to unlock the password for user account in Linux. If an account is locked due to login failure then use pam_tally2 or pam_fallock to unlock user account.
OpenSSL: Generate ECC Certificates for Apache Server
Elliptic Curve Cryptography (ECC) is an encryption technique that provides public-key encryption similar to RSA. We can generate ECC certificates using openssl …
Setup & verify Mutual TLS Authentication (MTLS) with OpenSSL
With mutual TLS authentication (MTLS), not only does the service side prove its identity by exposing a certificate, but also the clients prove their identity to …
10 simple ways to sort dictionary by key in Python
After Python 3.6, now dictionary can remember the order in which items are added. So we can easily sort dictionary by key using sorted() and many other modules …