Category Linux

Understanding Shell Flags: Why Use set -e and set -x in Bash Scripts

Using set -e and set -x at the beginning of shell scripts introduces strict execution safety and real-time debugging capabilities into automated Linux workflows.

Fixing SELinux Permission Denied Errors in Docker Container Volume Mounts

When binding host paths to containers using flags like -v /host/path:/container/path, Security-Enhanced Linux (SELinux) will block access by default to enforce access controls.

Installing Zip Utilities and Managing Archive Compression on Enterprise Linux

When managing compressed archives on enterprise RHEL-based systems, install the standard zip and unzip package utilities via yum or dnf to handle compression and extraction operations.

Handling Host Bind Mounts and SELinux Enforcement on Enterprise Linux

If you stick purely to host relative bind mounts (/host/path:/container/path) instead of managed Docker volumes, understand the access controls enforced by Enterprise Linux distributions[cite: 1, 2]. On AlmaLinux 9, SELinux...

Configuring Permanent Git Credential Storage on Enterprise Linux

When Git constantly prompts for authentication credentials during pull and push operations over HTTPS, you can configure the built-in credential helper to store credentials persistently.

Removing Git Plain-Text Credential Storage over HTTPS

When Git credential storage is no longer required or if plain-text password files violate local security policies, you can disable the credential helper and remove stored authentication files.

Category Git

Configuring Permanent Git Credential Storage on Enterprise Linux

When Git constantly prompts for authentication credentials during pull and push operations over HTTPS, you can configure the built-in credential helper to store credentials persistently.

Removing Git Plain-Text Credential Storage over HTTPS

When Git credential storage is no longer required or if plain-text password files violate local security policies, you can disable the credential helper and remove stored authentication files.

Category Docker

Fixing SELinux Permission Denied Errors in Docker Container Volume Mounts

When binding host paths to containers using flags like -v /host/path:/container/path, Security-Enhanced Linux (SELinux) will block access by default to enforce access controls.

Handling Host Bind Mounts and SELinux Enforcement on Enterprise Linux

If you stick purely to host relative bind mounts (/host/path:/container/path) instead of managed Docker volumes, understand the access controls enforced by Enterprise Linux distributions[cite: 1, 2]. On AlmaLinux 9, SELinux...

Why You Shouldn't Add SELinux Volume Flags to Every Docker Compose File

No. Do not slap :z or :Z on every volume flag like a careless amateur. Every line in a config file costs time to maintain, and adding parameters without understanding...

Category DevOps

Why You Shouldn't Add SELinux Volume Flags to Every Docker Compose File

No. Do not slap :z or :Z on every volume flag like a careless amateur. Every line in a config file costs time to maintain, and adding parameters without understanding...

Category Jekyll

The Red Hat Exchange Rate: Mapping Ubuntu Habits to AlmaLinux 9

If you have been living in Ubuntu land for a while, jumping back into the Red Hat Enterprise Linux (RHEL) ecosystem for enterprise work can feel like speaking a slightly...

Ollama Docker Compose

```yaml services: ollama: image: ollama/ollama:latest container_name: ollama restart: unless-stopped volumes: - ./ollama/ollama:/root/.ollama environment: - OLLAMA_KEEP_ALIVE=24h

RHEL REVOLUTIONS: Modernizing Enterprise Infrastructure with Official Docker Binaries

Deploying Docker on enterprise-grade Linux distributions like AlmaLinux 9 requires a slightly different approach than Ubuntu-based environments. Because AlmaLinux ships with Podman as its default container engine and defaults service...

Category tutorial

The Red Hat Exchange Rate: Mapping Ubuntu Habits to AlmaLinux 9

If you have been living in Ubuntu land for a while, jumping back into the Red Hat Enterprise Linux (RHEL) ecosystem for enterprise work can feel like speaking a slightly...

Ollama Docker Compose

```yaml services: ollama: image: ollama/ollama:latest container_name: ollama restart: unless-stopped volumes: - ./ollama/ollama:/root/.ollama environment: - OLLAMA_KEEP_ALIVE=24h

RHEL REVOLUTIONS: Modernizing Enterprise Infrastructure with Official Docker Binaries

Deploying Docker on enterprise-grade Linux distributions like AlmaLinux 9 requires a slightly different approach than Ubuntu-based environments. Because AlmaLinux ships with Podman as its default container engine and defaults service...

Category Administration

Installing Zip Utilities and Managing Archive Compression on Enterprise Linux

When managing compressed archives on enterprise RHEL-based systems, install the standard zip and unzip package utilities via yum or dnf to handle compression and extraction operations.

Category Bash

Understanding Shell Flags: Why Use set -e and set -x in Bash Scripts

Using set -e and set -x at the beginning of shell scripts introduces strict execution safety and real-time debugging capabilities into automated Linux workflows.