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abaddon83 Guru
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Posted: Sun May 23, 2004 9:54 am Post subject: [risolto]montare l'hd di un pc da remoto tramite porte com |
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Come da topic, è possibile fare una cosa del genere?
mi potreste dare una mano?
thx _________________ Abaddon's House
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Last edited by abaddon83 on Mon May 24, 2004 8:58 pm; edited 1 time in total |
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xchris Advocate
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Posted: Sun May 23, 2004 10:02 am Post subject: |
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intendi montare l'hd di un altro pc attraverso la seriale, giusto?
usi ppp per stabilire la connex di rete e poi lo esporti con NFS
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 10:15 am Post subject: |
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mi dai su dritte sul ppp? _________________ Abaddon's House
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xchris Advocate
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abaddon83 Guru
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Posted: Sun May 23, 2004 1:42 pm Post subject: |
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il problema è che quando lancio pppd da console da solo mi iniziano ad uscire strani segni... quando lo lancio tramite questo script non succede nulla....
Code: |
#! /bin/sh
# Elaboratore A
IP_REMOTO="192.168.200.1"
IP_LOCALE="192.168.100.1"
PERIFERICA="/dev/modem"
VELOCITA="115200"
C_FLUSSO="crtscts"
/usr/sbin/pppd \
mru 576 \
mtu 576 \
lock \
passive \
local \
$C_FLUSSO \
$IP_LOCALE:$IP_REMOTO \
$PERIFERICA \
$VELOCITA \
noauth \
refuse-chap \
refuse-pap \
persist
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che sbaglio? i moduli li ho caricati nel kernel... _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 1:59 pm Post subject: |
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lanciando pppd da solo e' normale che puti un po' di schifezze
perche' cerca di comunicare attraverso il tuo terminale (non corretto)
per il tuo script controlla che esiste il tuo device seriale e controlla con ps -e | grep pppd che il demone sia in ascolto sulla tua seriale.
ciao _________________ while True:Gentoo()
Last edited by xchris on Sun May 23, 2004 2:03 pm; edited 1 time in total |
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abaddon83 Guru
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Posted: Sun May 23, 2004 2:02 pm Post subject: |
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come faccio a capire che device ho? in dmesg non mi pare di vedere nulla ![Sad :(](images/smiles/icon_sad.gif) _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 2:04 pm Post subject: |
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abaddon83 wrote: | come faccio a capire che device ho? in dmesg non mi pare di vedere nulla ![Sad :(](images/smiles/icon_sad.gif) |
controlla sul kernel
Code: |
grep SERIAL_8250 /usr/src/linux/.config
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ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 2:09 pm Post subject: |
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mi restituisce sta cosa qua...
bash-2.05b# grep SERIAL_8250 /usr/src/linux/.config
CONFIG_SERIAL_8250=y
# CONFIG_SERIAL_8250_CONSOLE is not set
# CONFIG_SERIAL_8250_CS is not set
# CONFIG_SERIAL_8250_ACPI is not set
CONFIG_SERIAL_8250_NR_UARTS=4
# CONFIG_SERIAL_8250_EXTENDED is not set
e non ho idea se è bene o male...
inoltre su entrambi i pc se faccio ifconfig non mi compare ppp0
help ![Sad :(](images/smiles/icon_sad.gif) _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 2:17 pm Post subject: |
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a quanto pare il supporto per le seriali e' builtin nel kernel
usa come device /dev/ttyS0 e assicurati che usi la COM 1
poi lancia lo script
e controlla che pppd sia attivo
se vedi il processo attivo sei a posto
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 2:24 pm Post subject: |
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mi restituisce questo:
Quote: |
bash-2.05b# ./ppp.sh
bash-2.05b# ps -ef | grep pppd
root 8517 1 0 16:34 ttyS0 00:00:00 /usr/sbin/pppd mru 576 mtu 576 lock passive local crtscts 192.168.100.1:192.168.200.1 /dev/ttyS0 115200 noauth refuse-chap refuse-pap persist
root 8526 7663 0 16:34 pts/0 00:00:00 grep pppd
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mi pare attiva...
unica domanda come mi connetto tra i 2 pc? _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 2:30 pm Post subject: |
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a questo punto siamo sicuri che la seriale funziona.
Se segui l'howto che ti ho postato e' scritto molto bene.
Lanci gli script sulle 2 macchine (sono leggermente diversi!!) e poi provi a pingare attraverso il cavo.
A quel punto passi al howto di nfs
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 2:44 pm Post subject: |
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mi sento stupido ma a me non va un tubo... seguendo la guida ho scritto:
pppd -detach crtscts lock defaultroute 192.168.0.101:192.168.0.100 /dev/ttyS3 38400 noauth &
e mi da questo msg:
bash-2.05b# pppd -detach crtscts lock defaultroute 192.168.0.101:192.168.0.100 /dev/ttyS3 38400
Couldn't get channel number: Input/output error
ioctl(PPPIOCGFLAGS): Bad file descriptor
stesso errore se tolgo defaultrouter
non so piu' che fare _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 3:04 pm Post subject: |
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/dev/ttyS0? o 3 come hai riportato?
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 5:32 pm Post subject: |
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si scusami gli errori li dava con il devise "3" ora ho provato con quello giusto, non da errori, pero' non mi si crea comunque la periferica ppp0 in ifconfig e non riesco a pingarmi
c'è per caso un ordine con cui lanciare i comandi pppd [ecc..] sui 2 pc? _________________ Abaddon's House
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abaddon83 Guru
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Posted: Sun May 23, 2004 7:59 pm Post subject: |
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ecco alcune info:
Quote: |
bash-2.05b# pppd -detach crtscts lock 192.168.0.101:192.168.0.100 /dev/ttyS0 38400 noauth &
[1] 15441
bash-2.05b# ifconfig
eth0 Link encap:Ethernet HWaddr 00:10:A7:12:7A:33
inet addr:192.168.0.60 Bcast:192.168.0.255 Mask:255.255.255.0
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:12259 errors:0 dropped:0 overruns:0 frame:0
TX packets:11167 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:13759437 (13.1 Mb) TX bytes:1433859 (1.3 Mb)
Interrupt:10 Base address:0x9f00
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:99 errors:0 dropped:0 overruns:0 frame:0
TX packets:99 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:8792 (8.5 Kb) TX bytes:8792 (8.5 Kb)
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e questo è l'output di pppstat
Quote: |
bash-2.05b# pppstats
pppstats: nonexistent interface 'ppp0' specified
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mente sull'altro pc mi compare qualche cosa...
vi prego c'è qualche cosa da fare su gento?? lanciare qualche script all'avvio o robe simili? _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 8:18 pm Post subject: |
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prova a postare questo
Code: |
grep PPP /usr/src/linux/.config
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e' possibile che il tuo kernel non abbia il supporto a ppp
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 8:20 pm Post subject: |
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ecco qua:
Quote: | bash-2.05b# grep PPP /usr/src/linux/.config
CONFIG_PPP=m
# CONFIG_PPP_MULTILINK is not set
# CONFIG_PPP_FILTER is not set
CONFIG_PPP_ASYNC=m
CONFIG_PPP_SYNC_TTY=m
CONFIG_PPP_DEFLATE=m
CONFIG_PPP_BSDCOMP=m
CONFIG_PPPOE=m
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_________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 8:27 pm Post subject: |
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dovrebbe essere a posto.
potresti provare a fare un lsmod per vedere se effettivamente i moduli sono caricati (dovrebbe caricarli all'occorrenza)
Se come immagino li carica allora propendo per un problema sulle seriali.
Fai questa prova:
PC A: cat /dev/ttyS0
PC B: echo "OK FUNZIONA" > /dev/ttyS0
se la comunicazione seriale funziona dovresti vedere il msg sul PC A.
ciao _________________ while True:Gentoo() |
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xchris Advocate
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Posted: Sun May 23, 2004 8:32 pm Post subject: |
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nota stupida..
ma sai che con questo link avrai cmq delle prestazioni "penose" ?
e' indispensabile?
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 8:34 pm Post subject: |
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Quote: |
ash-2.05b# lsmod
Module Size Used by
8139too 20224 0
ipt_multiport 1920 2
ipt_state 1664 1
ip_conntrack 27440 1 ipt_state
iptable_filter 2432 1
ip_tables 15488 3 ipt_multiport,ipt_state,iptable_filter
ppp_deflate 5120 0
bsd_comp 5504 0
ppp_async 9856 0
ppp_generic 20756 5 ppp_deflate,bsd_comp,ppp_async
slhc 6912 1 ppp_generic
it87 20236 0
i2c_sensor 2560 1 it87
i2c_isa 1920 0
i2c_core 18564 3 it87,i2c_sensor,i2c_isa
supermount 35476 2
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e il messagio se lo mandano (figata non lo sapevo )
che mi invento ora? ([/quote] _________________ Abaddon's House
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abaddon83 Guru
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Posted: Sun May 23, 2004 8:37 pm Post subject: |
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xchris wrote: | nota stupida..
ma sai che con questo link avrai cmq delle prestazioni "penose" ?
e' indispensabile?
ciao |
si...
il pc a cui mi voglio connettere è un portatile 486 senza scheda di rete o modem e ha solo il lettore floppy -.-
io devo spedirlgi 64mb ma non lo metto quel file su 68 floppy.... _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 8:39 pm Post subject: |
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ok comprendo..
prova ad abbassare la velocita' a 9600 su entrambi i pc.
(ormai andiamo ad esclusione...)
ciao _________________ while True:Gentoo() |
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abaddon83 Guru
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Posted: Sun May 23, 2004 8:46 pm Post subject: |
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ti ringrazio per la pazienza
purtroppo ancora nulla
Quote: |
bash-2.05b# pppd -detach crtscts lock 192.168.0.101:192.168.0.100 /dev/ttyS0 9600 noauth &
[1] 17369
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stesso codice su entrambi i pc, invertendo gli ip, sul portatile dice che il devise ppp0 è stato registrato anche se con ifconfig non lo si vede..., sul pc da cui scrivo invece non dice nulla _________________ Abaddon's House
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xchris Advocate
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Posted: Sun May 23, 2004 8:52 pm Post subject: |
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non usare la & finale per ora... almeno non ti riamangono appesi i processi e li puoi interrompere. (visto che sei in decisa fase di debugging)
prova con questa sintassi
Code: |
pppd -detach local noauth crtscts lock 192.168.0.1:192.168.0.2 /dev/ttyS0 9600
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switchando sempre gli ip
P.S.: prova eliminando anche crtscts!
ciao _________________ while True:Gentoo() |
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