Gideon Romm wrote: > Anthony- > > ssh is still used as a communication tunnel between client and server. > For example, it is used to launch the session, set up sound, trigger > mounting of local devices, that sort of thing. The only difference is > that you are not proxying the ssh traffic through ssh, so you eliminate
I think he meant "not proxying the X traffic through ssh" Jim. > the overhead of encrypting the video data (the majority of the ssh > overhead in the secure scenario) and, more importantly for performance, > you are not proxying the X traffic, but rather directly talking between > the applications and the xserver. > > Cheers, > > -Gadi > > On Sun, 2007-06-24 at 22:12 -0500, Anthony M Simonelli wrote: >> I apologize. I tried it again, this time with a fresh setup, and >> everything worked perfectly. I must have setup things incorrectly on >> the first attempt because your modified LDM script works beautifully. >> >> I am curious, is it just X that's no longer being encrypted over ssh >> with the new LDM_DIRECTX option or is the entire terminal session no >> longer using ssh, because I noticed that sshd is still a running >> process. >> >> On Fri, 2007-06-22 at 17:19 -0400, Gideon Romm wrote: >>> Anthony, >>> >>> In LTSP5, gdm is not used at all. You need not enable XDMCP in gdm or >>> even have gdm installed on the server. If enabling it changed things, >>> that must mean you have SCREEN_07=startx in your lts.conf. Don't do >>> that. Take it out. Use ldm. Then, you localdev and everything else >>> should work. >>> >>> -Gadi >>> >>> On Thu, 2007-06-21 at 21:53 -0500, Anthony M Simonelli wrote: >>>> I gave this version of LDM a whirl and was pleasantly surprised. It >>>> does boot quicker and, after configuring GDM for remote logins, I was >>>> quickly presented with a login screen. Sound still works, but I notice >>>> that the USE_XFS and LOCALDEV options in the lts.conf file do not have >>>> an effect. Local devices aren't critical, but I need access to the XFS >>>> server since we use IBM's iSeries Access that requires un/scalable >>>> fonts. >>>> >>>> Am I doing something wrong? >>>> >>>> On Wed, 2007-06-20 at 09:34 -0500, Jim Kronebusch wrote: >>>>> Hello all, I met with Gideon Romm at our North Central Linux Symposium. >>>>> He has been >>>>> working on modifications to the code for ldm to allow the bypass of X >>>>> being encrypted >>>>> over ssh. He has also added functionality to be able to use autologin. >>>>> You can >>>>> download the modified ldm from here: >>>>> >>>>> http://codebrowse.launchpad.net/~gideon/ltsp/gadi-ldm-mods-ltsp/download/gadi%40ltsp.org-20070521205254-ek710bofdpdtlwlz/x_Matt_Zimmerman_%3Cmatt.zimmerman%40canonical.com%3E_Tue_Jun__7_19%3A59%3A49_2005_32192.0/ldm >>>>> >>>>> Replace your current "/opt/ltsp/i386/usr/sbin/ldm" with the new file (you >>>>> may want to >>>>> backup your current ldm just to be safe). The in >>>>> "/opt/ltsp/i386/etc/lts.conf" add the >>>>> following line: >>>>> >>>>> LDM_DIRECTX=True >>>>> >>>>> You will now be able to run without X being encrypted, which in theory >>>>> should allow LTSP >>>>> 5 to run at the same speed as LTSP 4.2. Bootup times and logout times >>>>> will still be >>>>> slower, but once booted things should zoom along. So far my tests show >>>>> that this works >>>>> awesome! I am still waiting for my new clients to really give this a go. >>>>> >>>>> If you would like to use autologin features you simply need to add the >>>>> following line to >>>>> lts.conf: >>>>> >>>>> LDM_USERNAME=hostname >>>>> >>>>> Apparently this lets you use the same user=workstation method that worked >>>>> in LTSP 4.2. >>>>> You will still need to setup ssh keys OR create the same password for >>>>> each user and >>>>> specify LDM_PASSWORD="mypassword" (in lts.conf). You also need to >>>>> specify workstation >>>>> names in dhcpd.conf so that workstations do not all have the same >>>>> hostname (I am not >>>>> sure if this is able to be done with the /etc/hosts file as well). >>>>> >>>>> Anyhow this hacked ldm should allow LTSP 5 to finally be usable in larger >>>>> installations >>>>> instead of hanging on to LTSP 4.2. Also I guess that Scott Balneaves has >>>>> rewritten some >>>>> of the python startup files in C, which should clear up some boot time >>>>> problems in the >>>>> next Gutsy release (Scott, sorry if I butchered up what exactly you have >>>>> been working on). >>>>> >>>>> Jim Kronebusch >>>>> Cotter Tech Department >>>>> 453-5188 >>>>> >>>> >>>> ------------------------------------------------------------------------- >>>> This SF.net email is sponsored by DB2 Express >>>> Download DB2 Express C - the FREE version of DB2 express and take >>>> control of your XML. No limits. Just data. Click to get it now. >>>> http://sourceforge.net/powerbar/db2/ >>>> _____________________________________________________________________ >>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>> -- >>> -------------------------------------------------------- >>> Gideon Romm | Proud LTSP Developer >>> [EMAIL PROTECTED] >>> >>> Support LTSP! Buy your hardware at: >>> >>> www.DisklessWorkstations.com >>> www.DisklessThinClients.com >>> >>> (use coupon code: LTSP5P for 5% off thin clients from >>> DisklessThinClients.com) >>> >>> >>> ------------------------------------------------------------------------- >>> This SF.net email is sponsored by DB2 Express >>> Download DB2 Express C - the FREE version of DB2 express and take >>> control of your XML. No limits. Just data. Click to get it now. >>> http://sourceforge.net/powerbar/db2/ >>> _____________________________________________________________________ >>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>> For additional LTSP help, try #ltsp channel on irc.freenode.net >> >> ------------------------------------------------------------------------- >> This SF.net email is sponsored by DB2 Express >> Download DB2 Express C - the FREE version of DB2 express and take >> control of your XML. No limits. Just data. Click to get it now. >> http://sourceforge.net/powerbar/db2/ >> _____________________________________________________________________ >> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >> For additional LTSP help, try #ltsp channel on irc.freenode.net ------------------------------------------------------------------------- This SF.net email is sponsored by DB2 Express Download DB2 Express C - the FREE version of DB2 express and take control of your XML. No limits. Just data. Click to get it now. http://sourceforge.net/powerbar/db2/ _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
