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The Ten-Second Login

Ubuntu 26.04 · GNOME/GDM · fprintd

Typing your password at the Ubuntu login screen takes ten seconds before the field even reacts, and fingerprint unlock keeps failing — while the same fingerprint works fine for sudo. It isn't your hardware. It's three separate config bugs, and a coding agent with shell access can find and fix all three in about ten minutes.

• Symptoms

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https://help.github.com/en/github/using-git/caching-your-github-password-in-git

# Set git to use the credential memory cache
git config --global credential.helper cache
# Set the cache to timeout after 1 hour (setting is in seconds)
git config --global credential.helper 'cache --timeout=3600'


# this clears it after work is done

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DTB file to edit

this is the correct file In many tutorials elinux,devtalk devtalk on the internet, this file is modified: tegra186-quill-p3310-1000-c03-00-base.dtb

Current official documentation mentions file: tegra186-quill-power-tree-p3310-1000-a00-00.dtb

check currently used configuration from tx2:

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octomap::OcTree  pcl2octomap(const pcl::PointCloud<pcl::PointXYZRGB>::Ptr input_cloud, double resolution = 5) {
    // create pcl octree - ultra fast
    pcl::octree::OctreePointCloudVoxelCentroid<pcl::PointXYZRGB> octree(resolution);
    octree.setInputCloud(input_cloud);
    octree.addPointsFromInputCloud();
    std::vector< pcl::PointXYZRGB, Eigen::aligned_allocator<pcl::PointXYZRGB> > voxel_centers;
    octree.getOccupiedVoxelCenters(voxel_centers);

    // create octomap instance from pcl octree
    OcTree final_octree(resolution);

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    std::ifstream t("test.txt");
    std::string str;

    t.seekg(0, std::ios::end);   
    str.reserve(t.tellg());
    t.seekg(0, std::ios::beg);

    str.assign((std::istreambuf_iterator<char>(t)),
                std::istreambuf_iterator<char>());

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#define CERES_FOUND true

#include <opencv2/sfm.hpp>
#include <opencv2/viz.hpp>
#include <opencv2/calib3d.hpp>
#include <opencv2/core.hpp>
#include <opencv2/highgui.hpp>

#include <iostream>
#include <pcl/io/pcd_io.h>

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function simple_curl($url)
{
  $ch = curl_init();
  curl_setopt ($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt ($ch, CURLOPT_URL, $url);
  curl_setopt ($ch, CURLOPT_CONNECTTIMEOUT, 20);
  curl_setopt ($ch, CURLOPT_FOLLOWLOCATION, true);
  curl_setopt($ch, CURLOPT_HEADER, true);
  curl_setopt($ch, CURLOPT_NOBODY, true);
  $content = curl_exec ($ch);

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<?php
function bootstrap_gallery( $output = '', $atts, $instance )
{

    if (strlen($atts['columns']) < 1) {
        $columns = 3;
    }
    else {
        $columns = $atts['columns'];
    }

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#include <boost/thread.hpp>
#include <iostream>

using namespace std;

void ThreadFunction()
{
    int counter = 0;

    for(;;)

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typedef struct {
    double r,g,b;
} COLOUR;

COLOUR GetColour(double v,double vmin,double vmax)
{
   COLOUR c = {1.0,1.0,1.0}; // white
   double dv;

   if (v < vmin)