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ubuntu

Ubuntu Linux operating system

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.

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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.

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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.

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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.

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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.

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