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Date : 2018/01/24 18:28
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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=1516818378
New Revision: https://wiki.x2go.org/doku.php/doc:howto:tce
Edit Summary: added blankdpmsfix description
User : stefanbaur
@@ -839,8 +839,9 @@
=== These are entirely optional ===
* ''bg=https|http|ftp://your-http-server-ip-or-dns-here/x2go-tce/x2go-tce-bg.svg'' -
use this to specify an SVG file to "brand" your X2Go-TCE with. It will replace
theblue background theme 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.
* ''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.
* ''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
--
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