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Headless NVIDIA on CentOS/RHEL 6: VirtualGL 2.6 + TurboVNC 2.2 (Working Guide)

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Headless NVIDIA + VirtualGL + TurboVNC on CentOS/RHEL 6 (EOL): A Working Guide Why this post? CentOS/RHEL 6 are end-of-life, so current docs often break. This guide shows a known-working setup for running OpenGL apps over the network with VirtualGL 2.6.x and TurboVNC 2.2.x on headless NVIDIA GPUs (Tesla-era), including the critical NV-GLX / GLXCreateContext fixes. Versions that still work on CentOS 6 VirtualGL: 2.6.x (e.g., 2.6.5-20201117 ) — 3.x requires newer glibc. TurboVNC: 2.2.x (e.g., 2.2.90-20211222 ) — 3.x requires newer glibc and libXfont2. NVIDIA driver: 390.xx is a practical ceiling for many Fermi/Tesla cards. Enable the VirtualGL & TurboVNC repos Create two repo files (adjust baseurls if yours differ): [root@host ~]# cat >/etc/yum.repos.d/VirtualGL.repo <<'EOF' [VirtualGL] name=VirtualGL baseurl=https://virtualgl.org/pmwiki/uploads/Downloads/CentOS/6/x86_64 enabled=1 gpgcheck=0 EOF [root@host ~]# cat >/etc/yum....

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