The shell command<br />"/l/www/moodle/filter/tex/mimetex.linux" -e "/m/floppy/avle/moodledata/filter/tex/56409dd898110f59be10f1f2a4960af9.gif" -- '\Large \|\mathbf{u}\|^2= u_1^2 +
  u_2^2 = 1'<br />returned status = 126<br />
Image not found!<br />Please try the <a href="https://mycourses.aalto.fi/filter/tex/texdebug.php">debugging script</a>