“UbuntuHelp:UbuntuLTSP/Tour”的版本间的差异
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小 （新页面: {{From|https://help.ubuntu.com/community/UbuntuLTSP/Tour}} {{Languages|UbuntuHelp:UbuntuLTSP/Tour}} This is a stab at explaining Ubuntu (muekow) LTSP, as opposed to the traditional LTSP t...） |
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{{Languages|UbuntuHelp:UbuntuLTSP/Tour}} | {{Languages|UbuntuHelp:UbuntuLTSP/Tour}} | ||
This is a stab at explaining Ubuntu (muekow) LTSP, as opposed to the traditional LTSP tarball you would find at LTSP.org as specified at https://launchpad.net/products/ltsp/+spec/ubuntu-ltsp-tour | This is a stab at explaining Ubuntu (muekow) LTSP, as opposed to the traditional LTSP tarball you would find at LTSP.org as specified at https://launchpad.net/products/ltsp/+spec/ubuntu-ltsp-tour | ||
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=== Introduction === | === Introduction === | ||
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Traditional LTSP systems were implemented by distributing the entire LTSP chroot environment in a tarball. This has been costly in terms of disc space, since many packages needed to be shipped twice (for example, dhclient, xserver-xorg). Meukow changes this, it allows you to use your distribution's native packages. This also allows you to chroot into your LTSP environment and simply install a local package by using apt-get, instead of using a specialised build-environment. More information on muekow at http://wiki.ltsp.org/twiki/bin/view/Ltsp/MueKow | Traditional LTSP systems were implemented by distributing the entire LTSP chroot environment in a tarball. This has been costly in terms of disc space, since many packages needed to be shipped twice (for example, dhclient, xserver-xorg). Meukow changes this, it allows you to use your distribution's native packages. This also allows you to chroot into your LTSP environment and simply install a local package by using apt-get, instead of using a specialised build-environment. More information on muekow at http://wiki.ltsp.org/twiki/bin/view/Ltsp/MueKow | ||
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=== Technical differences === | === Technical differences === | ||
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{|border="1" cellspacing="0" | {|border="1" cellspacing="0" | ||
| Purpose || Ubuntu || LTSP.org tarball | | Purpose || Ubuntu || LTSP.org tarball | ||
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| Authentication || ssh || passwd file on XDMCP server | | Authentication || ssh || passwd file on XDMCP server | ||
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==== Why SSH and not XDMCP? ==== | ==== Why SSH and not XDMCP? ==== | ||
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SSH provides better security (encryption) and built-in compression. | SSH provides better security (encryption) and built-in compression. | ||
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==== Why LDM and not KDM/GDM? ==== | ==== Why LDM and not KDM/GDM? ==== | ||
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KDM and GDM doesn't provide us with an effective method of logging on to a remote SSH session. LDM is a python application that logs us into a remote desktop session over SSH. | KDM and GDM doesn't provide us with an effective method of logging on to a remote SSH session. LDM is a python application that logs us into a remote desktop session over SSH. | ||
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==== Why use APT instead of the LTSP tarball ==== | ==== Why use APT instead of the LTSP tarball ==== | ||
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This method saves us space on the installation media, or bandwidth if you're installing over a network. It also means that you can install local applications much easier, and customise your LTSP chroot. Upgrades are also easier, especially if you have made modifications to your system. Using APT combined with Ubuntu packages also results in better maintainability. The high quality of Ubuntu packages, combined with APT, means that upgrades are easy and reliable. | This method saves us space on the installation media, or bandwidth if you're installing over a network. It also means that you can install local applications much easier, and customise your LTSP chroot. Upgrades are also easier, especially if you have made modifications to your system. Using APT combined with Ubuntu packages also results in better maintainability. The high quality of Ubuntu packages, combined with APT, means that upgrades are easy and reliable. | ||
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[[category:UbuntuHelp]] | [[category:UbuntuHelp]] | ||
2009年5月12日 (二) 19:14的最新版本
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This is a stab at explaining Ubuntu (muekow) LTSP, as opposed to the traditional LTSP tarball you would find at LTSP.org as specified at https://launchpad.net/products/ltsp/+spec/ubuntu-ltsp-tour
目录
Introduction
Traditional LTSP systems were implemented by distributing the entire LTSP chroot environment in a tarball. This has been costly in terms of disc space, since many packages needed to be shipped twice (for example, dhclient, xserver-xorg). Meukow changes this, it allows you to use your distribution's native packages. This also allows you to chroot into your LTSP environment and simply install a local package by using apt-get, instead of using a specialised build-environment. More information on muekow at http://wiki.ltsp.org/twiki/bin/view/Ltsp/MueKow
Technical differences
| Purpose | Ubuntu | LTSP.org tarball |
| GUI Export | ssh -X | XDMCP |
| Remote login | LDM | KDM/GDM |
| Distribution method | APT | Tar ball |
| Authentication | ssh | passwd file on XDMCP server |
Why SSH and not XDMCP?
SSH provides better security (encryption) and built-in compression.
Why LDM and not KDM/GDM?
KDM and GDM doesn't provide us with an effective method of logging on to a remote SSH session. LDM is a python application that logs us into a remote desktop session over SSH.
Why use APT instead of the LTSP tarball
This method saves us space on the installation media, or bandwidth if you're installing over a network. It also means that you can install local applications much easier, and customise your LTSP chroot. Upgrades are also easier, especially if you have made modifications to your system. Using APT combined with Ubuntu packages also results in better maintainability. The high quality of Ubuntu packages, combined with APT, means that upgrades are easy and reliable.
