Category: Linux

Steps to (maybe) fix hardware graphics acceleration

Command to verify hardware acceleration (only works inside xorg session): Positive example: $ glxinfo | grep render direct rendering: Yes GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, GLX_MESA_multithread_makecurrent, GLX_MESA_query_renderer, Extended renderer info (GLX_MESA_query_renderer): OpenGL renderer string: Mesa DRI Intel(R) HD Graphics 530 (Skylake GT2) GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, GL_NV_conditional_render, GL_NV_depth_clamp, GL_NV_packed_depth_stencil, GL_ARB_conditional_render_inverted, GL_ARB_conservative_depth, GL_MESA_window_pos, GL_NV_blend_square, GL_NV_conditional_render, GL_OES_element_index_uint, GL_OES_fbo_render_mipmap, Negative example (llvmpipe (LLVM […]

New tool: Outgoing port checker

Yesterday I created a new tool, that let’s you check the firewall configuration of your network and other networks for outgoing open ports. Many public networks do not allow the full port range to be used and figuring out, which ports can be used and which cannot be used, may give you a hard time. […]