/etc/solr/conf/velocity/layout.vm is in solr-common 3.6.2+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | <html>
<head>
#parse("head.vm")
</head>
<body>
<div id="admin"><a href="#url_for_solr/admin">Solr Admin</a></div>
<div id="header">
#parse("header.vm")
</div>
<div id="tabs">
#parse("tabs.vm")
</div>
<div id="content">
$content
</div>
<div id="footer">
#parse("footer.vm")
</div>
</body>
</html>
|