Boot με/χωρίς κάρτα γραφικών

[Christos Ricudis]

George Notaras wrote:
> Τέλος, καθώς είναι αδύνατο να δω τα μηνύματα του πυρήνα χωρίς κάρτα 
> γραφικών και οθόνη, θα είναι αυτό δυνατό αν χρησιμοποιηθεί serial 
> console; Αξίζει τον κόπο;
Nai, kai einai paneykolo.

1) Sto menu.lst tou grub :

default 0
timeout 5
#
serial --unit=0 --speed=38400
#
terminal --timeout=5 console console

(de 8ymamai giati exw 2 fores "console" ekei).

2) Sto kernel command line tou grub, pros8etoume

console=tty0

3) Sto /etc/inittab :

T0:23:respawn:/sbin/getty -L ttyS0 38400 vt100

Ayto htan. Twra bazeis ena null-modem cable sthn prwth seiriakh tou 
mhxanhmatos kai exeis full console apo kei. An exeis kai kanena *kalo* 
server-oriented BIOS, endexomenws na sou epitrepei na kaneis control 
*kai* to BIOS apo th seiriakh.

Oi serial consoles einai apo ta pio xrhsima management ergaleia pou sou 
parexei ena Unix leitourgiko systhma, alla periergws oi perissoteroi tis 
snomparoun. To epomeno bhma einai na pareis ena fthno terminal server (o 
agaphmenos mou einai o CISCO AS2511-RJ, alla isws na sou bgei ligo 
akribos - yparxoun sigoura fthnoteres lyseis). Karfwneis ekei panw kai 
tous 837 servers tou CPU room, kai exeis prosbasimes tis konsoles tous 
over the network.

Kai mia pou t'anaferame ki arxh dialogou kaname, exei xrhsimopoihsei 
kaneis kapoio kalo KVM-over-IP? Kalo, ennowntas : 1) na mhn kollaei me 
to paramikro 2) na douleyei to synh8ws  pana8lio Java applet tou se 
Linux 3) na mhn kostizei oso treis apo tous servers pou prokeitai na 
elegksei (this one rules out Avocent)