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ubuntu

Ubuntu Linux operating system and its configurations

OSDisplay Artifacts in Hypervisor Console After Ubuntu 24.04 Update

Learn about display artifacts in hypervisor console after Ubuntu 24.04 update. Discover root causes and effective solutions including VirtIO GPU and BIOS configuration changes.

5 answers• 1 view
DevOpsFix Docker Permission Denied on Docker.sock in Jenkins Pipeline

Resolve 'Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock' error in Jenkins on Ubuntu 16.04. Add jenkins user to docker group, restart services, verify permissions for seamless docker jenkins builds.

4 answers• 1 view
OSThunderbird Exchange Setup: 2FA Authentication Guide

Complete guide to synchronizing Thunderbird with Exchange using OWL addon. Fix 2FA authentication issues and configure ActiveSync on Ubuntu.

1 answer• 2 views
OSUbuntu Passwordless Security Risks Single-User System

Explore security vulnerabilities and privilege escalation risks of disabling passwords on single-user Ubuntu without remote access. Analysis shows no new remote threats, physical access remains key concern with sudo NOPASSWD.

1 answer• 1 view
NetworkingVirtualBox Ubuntu SSH: External Access via Bridged Adapter

Step-by-step guide to enable external SSH access to VirtualBox Ubuntu guest from internet via Windows host and router. Use bridged adapter, NAT port forwarding, or tunneling with security tips for optimal performance.

1 answer• 1 view
OSFix PyCUDA cuInit Failed Error on Ubuntu CUDA GPUs

Resolve 'pycuda._driver.Error: cuInit failed: unknown error' on Ubuntu with NVIDIA P102-100 GPUs. Reload nvidia-uvm modules, verify drivers, reinstall CUDA toolkit. Step-by-step fix for ubuntu cuda setups where nvidia-smi works but PyCUDA fails.

1 answer• 5 views
NetworkingWireGuard Site-to-Site VPN on Ubuntu 22.04 (Split Tunneling)

Connect Windows office networks with WireGuard on an Ubuntu 22.04 VPS. Step-by-step site-to-site setup with split tunneling to route only inter-office traffic.

1 answer• 1 view
OSFix Chroot Ubuntu 'No Files Below /bin/bash' Error

Learn why sudo chroot /mnt /bin/bash fails on Ubuntu with 'no files below /bin/bash' error. Fix by bind mounting /dev, /proc, /sys, /run, checking libraries with ldd, and copying resolv.conf. Step-by-step guide for chroot Ubuntu setups.

1 answer• 2 views
NetworkingFix WebSocket Handshake Timeout in Chrome on Ubuntu 22.04

Chromium WebSocket handshake timeouts on Ubuntu 22.04: 'websocket connection failed' or 'opening handshake timed out' in Chrome/Brave, works in Firefox. Causes HTTP/2 Extended CONNECT (RFC 8441), IPv6, systemd-resolved. Diagnose with chrome-net-export, fixes included.

1 answer• 1 view
NetworkingFix 3proxy HTTPS CONNECT Timeout on Ubuntu 24.04

TCP connects but HTTPS times out? Troubleshoot 3proxy logs, firewall, outbound connections. Complete guide for Ubuntu 24.04.

1 answer• 1 view