[[X2Go Wiki]] page changed: doc:howto:tce - x2go-commits

15 Dec 2016


      A page in your DokuWiki was added or changed. Here are the details:

Date        : 2016/12/15 13:15
Browser     : Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0
IP-Address  : 78.43.90.159
Hostname    : HSI-KBW-078-043-090-159.hsi4.kabel-badenwuerttemberg.de
Old Revision: http://wiki.x2go.org/doku.php/doc:howto:tce?rev=1481806937
New Revision: http://wiki.x2go.org/doku.php/doc:howto:tce
Edit Summary: [List of open ToDos/FIXMEs for this page] 
User        : stefanbaur

@@ -270,8 +270,51 @@
  -rw-r--r-- root/root    164096 2015-08-19 15:17 tftpboot/hdt.c32
  </code>
  
  FIXME This page is missing a section/subpage that explains how to speed up the netboot process using iPXE.
+ 
+ Basically:
+ <code>
+ apt-get install ipxe
+ cd /your-tftp-root
+ mkdir -p {bios,uefi}
+ ln -s /usr/lib/ipxe/undionly.kpxe ./bios/
+ ln -s /boot/ipxe.efi ./uefi/
+ FQDN=DNS-name-of-your-server-here
+ IP_OF_FQDN=`dig $FQDN +short`
+ cat <<EOF>x2go-tce-ipxe
+ #!ipxe
+ dhcp
+ kernel
http://$FQDN/x2go-tce-vmlinuz EVERYTHING-FROM-THE-LINE-STARTING-WITH-APPEND-IN-THE-X2GO-TCE-SAMPLE-FILE-ABOVE
+ initrd http://$FQDN/x2go-tce-initrd.img
+ boot
+ EOF
+ </code>
+ 
+ Then **add** this to your dhcpd.conf
+ <code>
+    if substring ( option vendor-class-identifier , 19,1 ) = "0" {
+            filename "bios/undionly.kpxe";
+    }
+    else if substring ( option vendor-class-identifier , 19,1 ) = "7" {
+            filename "uefi/ipxe.efi";
+    }
+    else {  
+            log (info, concat ( "Unhandled vendor class Arch: ", substring ( option vendor-class-identifier , 19,1 )));
+    }
+    if exists user-class and option user-class = "iPXE" {
+ 	set hwmac = concat (
+ 	suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,1,1))),2), ":",
+ 	suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,2,1))),2), ":",
+ 	suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,3,1))),2), ":",
+ 	suffix (concat ("0", binary-to-ascii (16, 8,
"", substring(hardware,4,1))),2), ":",
+ 	suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,5,1))),2), ":",
+ 	suffix (concat ("0", binary-to-ascii (16, 8, "", substring(hardware,6,1))),2)
+ 	);
+ 
+       filename = concat( "http://DNS-name-of-your-server-here/", hwmac );
+    }
+ </code>
  
  FIXME This page is missing a section/subpage that explains how to create images for USB/CD/local storage.
  
  FIXME Some of the optional steps above could be moved to a separate subpage to reduce clutter.


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