# Source: desktop-autoloader
# Package: desktop-autoloader
# Versions: desktop-autoloader (0.0.4-1), desktop-autoloader (0.0.4-2), desktop-autoloader (0.0.4-3)
# This Description is active
# This Description is owned
# Prioritize: 47
Description: Accelerate Diskless Workstation systems by pre-loading a dummy Desktop Session
 This package is for diskless Linux clients as you often find them in
 school class rooms running an LTSP based fat client environment.
 .
 The logon into and the initial session startup on such diskless
 workstations can be considerably slow, because all applications need to
 be fetched from one server hosting the fat clients' filesystem.
 .
 The situation gets worse, if 24 computers in the same class room get
 switched on simultaneously or the teacher tells the students to open the
 same application (e.g. Libreoffice) at the same time.
 .
 However, this issue only occurs to the first student using a diskless
 workstation that day. If the diskless machine is equipped with enough
 RAM, other students see all applications being launched within a couple
 of seconds.
 .
 Reason: once an application has been launched, it ends up in the
 diskless machine's filesystem cache in RAM.
 .
 So, this package pre-loads a desktop session of the admin's choice plus
 some extra popular applications. It does this before 7:30 in the
 morning, only. So, combine this package with Wake-On-LAN or an RTC Timer
 to make sure systems are booted before 7:30am. With such a setup in
 place, the diskless machines will have been prepared for work before the
 first students enter the class room.
Description-da: Accelerate Diskless Workstation-systemer ved at forhåndsindlæse en tom skrivebordssession
 Denne pakke er for Linuxklienter uden disk, som du ofte finder dem i
 klasseværelser kørende på et LTSP-baseret miljø med tykke klienter.
 .
 Logind og opstartsssession på sådanne arbejdsstationer uden disk kan være
 ret så langsom, da alle programmer skal hentes fra en server med den tykke
 klients filsystem.
 .
 Situationen bliver værre hvis 24 computere i det samme klasseværelse bliver
 tændt samtidig eller læreren giver studenterne besked om at åbne det samme
 program (f.eks. LibreOffice) på samme tid.
 .
 Denne problemstilling opstår dog kun for den første student, som bruger en
 diskløs arbejdsstation den dag. Hvis den diskløse maskine er udstyret med
 nok RAM, vil andre studenter se alle programmer startet indenfor et par
 sekunder.
 .
 Årsag: Når et program er blevet startet, så ender det i den diskløse
 maskines mellemlager for filsystemet i RAM.
 .
 Så denne pakke indlæser på forhånd en skrivebordssession efter
 administratorens valg samt nogle ekstra populære programmer. Det gøres før
 klokken 7:30 om morgenen. Så ved at kombinere denne pakke med Wake-On-LAN
 eller en RTC Timer for at sikre, at systemerne er startet før 7:30. Med
 sådan en opsætning vil de diskløse maskiner være forberedt for arbejde før
 den første student møder i klasseværelset.

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