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Date        : 2018/02/12 13:30
Browser     : Mozilla/5.0 (X11; Linux x86_64; rv:52.9) Gecko/20100101 
Goanna/3.4 Firefox/52.9 PaleMoon/27.7.2
IP-Address  : 134.3.37.90
Hostname    : HSI-KBW-134-3-37-90.hsi14.kabel-badenwuerttemberg.de
Old Revision: https://wiki.x2go.org/doku.php/doc:howto:tce?rev=1518439212
New Revision: https://wiki.x2go.org/doku.php/doc:howto:tce
Edit Summary: [What options are available under FURTHER-OPTIONS-GO-HERE?] - 
added earlyblankdpmsfix description
User        : stefanbaur

@@ -880,8 +880,9 @@
   * ''blank=n|n:n:n'' - Will disable (''blank=0'') or set screensaver timeout. 
Use ''blank=n:n:n'' to set DPMS Standby/Suspend/Off values. Standby value 
equals screensaver timeout value. All values are given in seconds.
   * ''blankdpmsfix'' - This forces the TFT do black for a few seconds during the X 
startup phase, then forces it back on again.  This fixes an occasional "black 
screen" issue that
occurs with some flaky client/TFT hardware combinations when using DisplayPort 
connectors, and could otherwise only be remediated by manually turning the TFT 
off and back on again. (feature available via github repo, soon via x2go repo 
too)
   * 
''branding=https|http|ftp://your-http-server-ip-or-dns-here/x2go-tce/x2go-tce-branding.svg''
 - use this to specify an SVG file to "brand" your X2Go-TCE with. It will 
replace the seal icon in the lower left of the login screen. See below for how to add 
this file to your HTTP, HTTPS, or FTP server.  **Attention: Whoever manages to spoof the 
server name can inject rogue images into your ThinClients.**  To mitigate this risk, use 
HTTPS, where the attacker would have to spoof both server name and matching certificate.
   * ''copysecring'' - this will scan for USB media and fixed disk media (with 
USB media taking precedence) at boot for one or more of the following 
directories: ''config/ssh'', 'ssh', ''.ssh''. The volume must be labeled
''X2GO-TCE-LIVE'' or ''PORTABLEAPP'' and may use any supported file system. Any 
SSH Secret Keys found there will be copied into ''/home/user/.ssh'' (in the 
ramdisk), with proper permissions and ownerships for the default user account. 
This may come in handy when you are using SSH Secret Keys on USB media, but 
need to log in and out of sessions often, and don't want to leave the USB media 
plugged in all the time/don't want to have to re-insert it before each session 
startup. **Attention: This poses a security risk when other people are using 
your ThinClient afterwards (as they will have access to your keys).**  To 
mitigate this risk,be sure to power-cycle the ThinClient once you are done. You 
//should// specify this parameter when booting X2Go-TCE-Live from portable 
media when you want to use SSH Secret Keys, to make sure your secret key on the 
VAT/NTFS partition is available. But as stated above, be sure to power-cycle 
the machine once you're done.
+   * ''earlyblankdpmsfix'' - This
forces the TFT do black for a few seconds during the initial boot phase (right after the 
squashfs was downloaded), then forces it back on again.  This fixes an occasional 
"black screen" issue that occurs with some flaky client/TFT hardware 
combinations when using DisplayPort connectors, and could otherwise only be remediated by 
manually turning the TFT off and back on again. (feature available via github repo, soon 
via x2go repo too)
   * ''ldap=ldap.example.com:389:cn=cngoeshere,dc=example,dc=com'' - this 
allows you to specify an LDAP server to connect to - note that this is not 
needed for LDAP-based authentication, only when you intend to store entire 
session profiles in LDAP. You should really consider using the X2Go Session 
Broker instead.
   * ''ldap1=ldap-backupserver-1.example.com:389'' - this allows you to specify 
the first of up to two LDAP backup servers when using LDAP authentication
   * ''ldap2=ldap-backupserver-2.example.com:389'' - this allows you to specify 
the
second of up to two LDAP backup servers when using LDAP authentication * ''nodpms'' - Will not touch DPMS settings at all (by default, ''blank=0'' does both ''xset s off'' and ''xset -dpms''). Use this along with ''blank=n'' if you do want to blank the screen, but your screen is confused by DPMS settings.


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