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Tabla de contenido1 What is PostgreSQL?2 Installing PostgreSQL on Ubuntu3 Basic Management of PostgreSQL from the Console3.1 Accessing PostgreSQL3.2 Creating a Database and a User3.3 Assigning Privileges3.4 Basic Operations4 Managing …
Tabla de contenido1 What is MongoDB?2 The Difference Between SQL and NoSQL3 Installing MongoDB on Ubuntu3.1 System Update3.2 Installing the MongoDB Package3.3 Getting MongoDB Up and Running3.4 Installation Verification4 Basic …
Tabla de contenido1 What Happens When vCenter Loses Network Connectivity?2 Causes of the Problem3 Impact and Risks4 Step by Step Solution5 Step 2: Create a Standard Switch, a Portgroup, and …
Tabla de contenido1 Understanding Ciphers and KexAlgorithms2 What are Ciphers?3 What are KexAlgorithms?4 The Importance of Firmware Updates5 Secure Protocols and Their Differences5.1 SSHv15.2 SSHv26 Fixing Encryption Negotiation Issues7 Conclusion …
Tabla de contenido1 What is TFTP and what is it used for?2 Choosing and Installing the Appropriate Software3 Configuring tftpd-hpa3.1 Understanding the Configuration Options3.2 Starting Up the Server3.3 Securing Access: …
Tabla de contenido1 Understanding Keepalived and VRRP2 Installing Keepalived on Ubuntu 22.042.1 Install Keepalived:3 Basic Configuration3.1 Adjust Configuration for Server B4 Configuring Multiple VIPs on a Single Interface4.1 Edit the …
Tabla de contenido1 Why have your own S3?2 Meet MinIO, the star of our story3 Setting up MinIO on Ubuntu 22.043.1 The beginning: Installation3.1.1 Download MinIO:3.1.2 Give it permissions:3.2 Starting …
Tabla de contenido1 Understanding NFS a bit2 Why is setting up an NFS server essential?3 Configuration for Ubuntu and Debian3.1 Preparation3.2 Installing the necessary packages3.3 Setting up directories to share3.4 …
Tabla de contenido1 Understanding the landscape: Why is monitoring important?2 Delving into the tools: EFK and ELK3 Prometheus and Grafana: The Dynamic Duo4 Loki: The Younger Sibling5 Jaeger and OpenTracing: …
Tabla de contenido1 System won’t boot after an update2 Wi-Fi connection doesn’t work3 Screen resolution issues4 No sound5 Can’t install a program6 System freezes7 File permission issues8 System doesn’t recognize …