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zoto
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Joined: 16 Sep 2003
Posts: 155
Location: Italy - Bologna

PostPosted: Mon Sep 24, 2007 9:02 am    Post subject: bootloader impotenti Reply with quote

Dopo varie peripezie attraverso knoppix riesco ad installare gentoo sul pc, ma al riavvio, con bootloader lilo, mi aspetta una "bella" sorpresa: kernel panic.

Praticamente il kernel di knoppix (prima di lui anche livecd) riconosce i dischi del mio laptop come sda*, mentre il kernel gentoo che ho installato (2.6.22-r5) riconosce i dischi come hda*

Questi sono fstab e lilo.conf precedenti:

lilo.conf
Code:

#
# Start LILO global section
#

# MBR to install LILO to:
boot = /dev/sda
prompt
delay = 70
default = gentoo
lba32

# VESA console with size 1024x768x16:
vga = 791

menu-scheme=Wb
#
# End LILO global section
#

#
# Linux bootable partition config begins
#
image = /boot/kernel-2.6.22-r5
        root = /dev/sda6
        #root = /devices/discs/disc0/part3
        label = gentoo
        read-only # read-only for checking
#
# Linux bootable partition config ends
#
#
# DOS bootable partition config begins
#
other = /dev/sda2
        #other = /devices/discs/disc0/part1
        label = windows
        table = /dev/sda
#
# DOS bootable partition config ends
#


fstab
Code:

/dev/sda3       /boot           ext3    defaults,noauto,noatime 1 2
/dev/sda5       none            swap    sw              0 0
/dev/sda6       /               ext3    noatime         0 1
/dev/sda7       /home           ext3    noatime         0 1
/dev/cdrom      /mnt/cdrom      auto    noauto,user     0 0


per quanto riguarda windows non ci sono problemi, penso allora di cambiare fstab e lilo.conf mettendo al posto di sda hda, ma nel momento in cui faccio partire lilo mi ritrovo un bell'errore in quanto hda6 (root per gentoo) non è corretto.

Mi dicono di passare a grub per evitare il problema sd* vs hd*

allora, lasciando fstab aggiornato

Code:

/dev/hda3       /boot           ext3    defaults,noauto,noatime 1 2
/dev/hda5       none            swap    sw              0 0
/dev/hda6       /               ext3    noatime         0 1
/dev/hda7       /home           ext3    noatime         0 1
/dev/cdrom      /mnt/cdrom      auto    noauto,user     0 0


scrivo questo grub.conf

Code:

default 0

timeout 70

splashimage=(hd0,2)/boot/glub/splash.xpm.gz

title=gentoo
root (hd0,2)
kernel /boot/kernel-2.6.22-r5 root=/dev/hda6 ro

title=windows
rootnoverify (hd0,1)

makeactive
chainloader +1


Risultato: grub all'avvia non mi fa vedere alcuna schermata, ma automaticamente carica windows...

ora sono alla frutta. Non ho più alcuna idea.

Ultime informazioni sulle partizioni:

hda1 usata dalla toshiba
hda2 win
hda3 boot
hda4
- hda5 swap
- hda6 /
- hda7 home
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zoto
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Location: Italy - Bologna

PostPosted: Mon Sep 24, 2007 9:39 am    Post subject: Reply with quote

aggiungo che il disco è sata, quindi penso dovrebbe essere riconosciuto come sd*

per ora tuttavia è importante che gentoo almeno parta!
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MeMyselfAndI
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PostPosted: Mon Sep 24, 2007 12:41 pm    Post subject: Reply with quote

Se il disco e' riconosciuto come sd* allora perche' usi hda nel tuo file di configurazione di grub ?
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zoto
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PostPosted: Mon Sep 24, 2007 12:45 pm    Post subject: Reply with quote

Il fatto è che quando riavvio il kernel ricosce il disco come hda e non più come sda...

del resto mi è venuto anche il sospetto che il problema sia del kernel: con lilo infatti il kernel veniva caricato, ma poi non trovava più i dischi e andava in panic.
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MeMyselfAndI
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PostPosted: Mon Sep 24, 2007 3:22 pm    Post subject: Reply with quote

puoi postare un
Code:
ls /dev/sd*
e un
Code:
ls /dev/hd*
?
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Tigerwalk
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PostPosted: Mon Sep 24, 2007 3:26 pm    Post subject: Reply with quote

ciao, anch'io ho avuto un problema simile con un laptop toshiba. l'ho risolto dando una label alla mia / con tune2fs e compilando con genkernel.
Anche a me i dischi con cfdisk vengono visti come hd e non sd, ma nel mio /etc/fstab
Code:
/dev/sda2               /boot           ext2    defaults,noatime          1 2
LABEL=lacie             /               ext3    noatime                 0 1
/dev/sda3               swap            swap    defaults,sw             0 0
/dev/cdrom              /mnt/cdrom      auto    noauto,user,ro          0 0
LABEL=LACIE             /media          vfat    quiet,umask=0           0 1
proc                    /proc           proc    nodev,nosuid,noexec     0 0
shm                     /dev/shm        tmpfs   nodev,nosuid,noexec       0 0


Il mio grub.conf
Code:
title Gentoo Linux 2.6.22-r5
   root (hd1,1)
   kernel /boot/kernel-genkernel-x86-2.6.22-gentoo-r5 root=/dev/ram0 ramdisk=8192 real_root=LABEL=lacie quiet init=/linuxrc udev doscsi
   initrd /boot/initramfs-genkernel-x86-2.6.22-gentoo-r5

root (hd1,1), ho la / nella seconda partizione del secondo hd (hd esterno)
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Manwhe
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Posts: 127

PostPosted: Mon Sep 24, 2007 4:44 pm    Post subject: Reply with quote

Ciao

Domanda "probabilmente" stupida, quando hai compilato il kernel hai settato le libata?

Ciao
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zoto
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PostPosted: Mon Sep 24, 2007 5:29 pm    Post subject: Reply with quote

MeMyselfAndI wrote:
puoi postare un
Code:
ls /dev/sd*
e un
Code:
ls /dev/hd*
?


ecco

Code:

(chroot) Knoppix / # ls dev/sd*
dev/sda   dev/sda2  dev/sda4  dev/sda6
dev/sda1  dev/sda3  dev/sda5  dev/sda7


Code:

(chroot) Knoppix / # ls dev/hd*
dev/hdc
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zoto
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PostPosted: Mon Sep 24, 2007 5:37 pm    Post subject: Reply with quote

inoltre nel frattempo ho provato con questo conf di grub

Code:

default 0
timeout 7
color light-gray/blue yellow/blue

#splashimage=(hd0,2)/boot/glub/splash.xpm.gz

title gentoo
root (hd0,2)
kernel /kernel-2.6.22-r5 root=/dev/sda6 ro vga=791

title windows
rootnoverify (hd0,1)
makeactive
chainloader +1

boot


ma con pessimi risultati per linux:

Code:

root (hd0, 2)
filesistem type is ext2fs partitio type 0x83
kernel /kernel-2.6.22-r5 root=/dev/sda6 ro vga=791
error 22: no such partition


mentre per win tutto ok
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MeMyselfAndI
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PostPosted: Mon Sep 24, 2007 6:41 pm    Post subject: Reply with quote

zoto wrote:
inoltre nel frattempo ho provato con questo conf di grub

Code:

default 0
timeout 7
color light-gray/blue yellow/blue

#splashimage=(hd0,2)/boot/glub/splash.xpm.gz

title gentoo
root (hd0,2)
kernel /kernel-2.6.22-r5 root=/dev/sda6 ro vga=791

title windows
rootnoverify (hd0,1)
makeactive
chainloader +1

boot


ma con pessimi risultati per linux:

Code:

root (hd0, 2)
filesistem type is ext2fs partitio type 0x83
kernel /kernel-2.6.22-r5 root=/dev/sda6 ro vga=791
error 22: no such partition


mentre per win tutto ok


Mi pare sbagliato: il kernel sta in "/boot" di solito non in "/" prova a correggere la riga
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zoto
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PostPosted: Mon Sep 24, 2007 8:09 pm    Post subject: Reply with quote

fatto, ma se non ricordo male, avendo fatto la partizione di boot separata, non cambia nulla
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zoto
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PostPosted: Mon Sep 24, 2007 8:17 pm    Post subject: Reply with quote

con questa configurazione

Code:

default 0
timeout 7
color light-gray/blue yellow/blue

title gentoo
root (hd0,2)
kernel /boot/kernel-2.6.22-r5 root=/dev/sda6 ro vga=791

title windows
rootnoverify (hd0,1)
makeactive
chainloader +1

boot


nel frattempo mi è stato consigliato di grub/device.map da (hd0) /dev/sda a (hd0) /dev/hda, ricercando il kernel un hd*, ma il risultato è stato che grub non carica nulla.

Viene riportato il seguente errore:
/dev/sda does not have any corresponding BIOS drive.

Sono ancora in alto mare.
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zoto
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PostPosted: Mon Sep 24, 2007 8:22 pm    Post subject: Reply with quote

Manwhe wrote:
Ciao

Domanda "probabilmente" stupida, quando hai compilato il kernel hai settato le libata?


ho attivato seria ATA driver e i supporti per SATA

Code:

#
# Device Drivers
#

#
# Generic Driver Options
#
CONFIG_STANDALONE=y
CONFIG_PREVENT_FIRMWARE_BUILD=y
CONFIG_FW_LOADER=y
# CONFIG_DEBUG_DRIVER is not set
# CONFIG_DEBUG_DEVRES is not set
# CONFIG_SYS_HYPERVISOR is not set
#
# Connector - unified userspace <-> kernelspace linker
#
# CONFIG_CONNECTOR is not set
# CONFIG_MTD is not set

#
# Parallel port support
#
# CONFIG_PARPORT is not set

#
# Plug and Play support
#
CONFIG_PNP=y
# CONFIG_PNP_DEBUG is not set

#
# Protocols
#
CONFIG_PNPACPI=y
#
# Block devices
#
CONFIG_BLK_DEV_FD=y
# CONFIG_BLK_CPQ_DA is not set
# CONFIG_BLK_CPQ_CISS_DA is not set
# CONFIG_BLK_DEV_DAC960 is not set
# CONFIG_BLK_DEV_UMEM is not set
# CONFIG_BLK_DEV_COW_COMMON is not set
CONFIG_BLK_DEV_LOOP=y
# CONFIG_BLK_DEV_CRYPTOLOOP is not set
# CONFIG_BLK_DEV_NBD is not set
# CONFIG_BLK_DEV_SX8 is not set
# CONFIG_BLK_DEV_UB is not set
CONFIG_BLK_DEV_RAM=y
CONFIG_BLK_DEV_RAM_COUNT=16
CONFIG_BLK_DEV_RAM_SIZE=4096
CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
# CONFIG_CDROM_PKTCDVD is not set
# CONFIG_ATA_OVER_ETH is not set

#
# Misc devices
#
# CONFIG_IBM_ASM is not set
# CONFIG_PHANTOM is not set
# CONFIG_SGI_IOC4 is not set
# CONFIG_TIFM_CORE is not set
# CONFIG_MSI_LAPTOP is not set
# CONFIG_SONY_LAPTOP is not set
# CONFIG_THINKPAD_ACPI is not set
CONFIG_IDE=y
CONFIG_BLK_DEV_IDE=y

#
# Please see Documentation/ide.txt for help/info on IDE drives
#
# CONFIG_BLK_DEV_IDE_SATA is not set
# CONFIG_BLK_DEV_HD_IDE is not set
CONFIG_BLK_DEV_IDEDISK=y
CONFIG_IDEDISK_MULTI_MODE=y
# CONFIG_BLK_DEV_IDECS is not set
# CONFIG_BLK_DEV_DELKIN is not set
CONFIG_BLK_DEV_IDECD=y
# CONFIG_BLK_DEV_IDETAPE is not set
# CONFIG_BLK_DEV_IDEFLOPPY is not set
# CONFIG_BLK_DEV_IDESCSI is not set
CONFIG_BLK_DEV_IDEACPI=y
# CONFIG_IDE_TASK_IOCTL is not set
CONFIG_IDE_PROC_FS=y

#
# IDE chipset support/bugfixes
#
CONFIG_IDE_GENERIC=y
# CONFIG_BLK_DEV_CMD640 is not set
# CONFIG_BLK_DEV_IDEPNP is not set
CONFIG_BLK_DEV_IDEPCI=y
# CONFIG_IDEPCI_SHARE_IRQ is not set
CONFIG_IDEPCI_PCIBUS_ORDER=y
# CONFIG_BLK_DEV_OFFBOARD is not set
# CONFIG_BLK_DEV_GENERIC is not set
# CONFIG_BLK_DEV_OPTI621 is not set
# CONFIG_BLK_DEV_RZ1000 is not set
CONFIG_BLK_DEV_IDEDMA_PCI=y
# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
# CONFIG_IDEDMA_ONLYDISK is not set
# CONFIG_BLK_DEV_AEC62XX is not set
# CONFIG_BLK_DEV_ALI15X3 is not set
CONFIG_BLK_DEV_AMD74XX=y
# CONFIG_BLK_DEV_ATIIXP is not set
# CONFIG_BLK_DEV_CMD64X is not set
# CONFIG_BLK_DEV_TRIFLEX is not set
# CONFIG_BLK_DEV_CY82C693 is not set
# CONFIG_BLK_DEV_CS5520 is not set
# CONFIG_BLK_DEV_CS5530 is not set
# CONFIG_BLK_DEV_CS5535 is not set
# CONFIG_BLK_DEV_HPT34X is not set
# CONFIG_BLK_DEV_HPT366 is not set
# CONFIG_BLK_DEV_JMICRON is not set
# CONFIG_BLK_DEV_SC1200 is not set
CONFIG_BLK_DEV_PIIX=y
# CONFIG_BLK_DEV_IT8213 is not set
# CONFIG_BLK_DEV_IT821X is not set
# CONFIG_BLK_DEV_NS87415 is not set
# CONFIG_BLK_DEV_PDC202XX_OLD is not set
# CONFIG_BLK_DEV_PDC202XX_NEW is not set
# CONFIG_BLK_DEV_SVWKS is not set
# CONFIG_BLK_DEV_SIIMAGE is not set
# CONFIG_BLK_DEV_SIS5513 is not set
# CONFIG_BLK_DEV_SLC90E66 is not set
# CONFIG_BLK_DEV_TRM290 is not set
# CONFIG_BLK_DEV_VIA82CXXX is not set
# CONFIG_BLK_DEV_TC86C001 is not set
# CONFIG_IDE_ARM is not set
CONFIG_BLK_DEV_IDEDMA=y
# CONFIG_IDEDMA_IVB is not set
# CONFIG_BLK_DEV_HD is not set
#
# SCSI device support
#
# CONFIG_RAID_ATTRS is not set
CONFIG_SCSI=y
CONFIG_SCSI_TGT=y
# CONFIG_SCSI_NETLINK is not set
# CONFIG_SCSI_PROC_FS is not set

#
# SCSI support type (disk, tape, CD-ROM)
#
CONFIG_BLK_DEV_SD=y
# CONFIG_CHR_DEV_ST is not set
# CONFIG_CHR_DEV_OSST is not set
# CONFIG_BLK_DEV_SR is not set
# CONFIG_CHR_DEV_SG is not set
# CONFIG_CHR_DEV_SCH is not set

#
# Some SCSI devices (e.g. CD jukebox) support multiple LU
Ns
#
CONFIG_SCSI_MULTI_LUN=y
CONFIG_SCSI_CONSTANTS=y
# CONFIG_SCSI_LOGGING is not set
# CONFIG_SCSI_SCAN_ASYNC is not set
CONFIG_SCSI_WAIT_SCAN=m

#
# SCSI Transports
#
CONFIG_SCSI_SPI_ATTRS=y
# CONFIG_SCSI_FC_ATTRS is not set
# CONFIG_SCSI_ISCSI_ATTRS is not set
# CONFIG_SCSI_SAS_ATTRS is not set
# CONFIG_SCSI_SAS_LIBSAS is not set
#
# SCSI low-level drivers
#
# CONFIG_ISCSI_TCP is not set
# CONFIG_BLK_DEV_3W_XXXX_RAID is not set
# CONFIG_SCSI_3W_9XXX is not set
# CONFIG_SCSI_ACARD is not set
# CONFIG_SCSI_AACRAID is not set
# CONFIG_SCSI_AIC7XXX is not set
# CONFIG_SCSI_AIC7XXX_OLD is not set
# CONFIG_SCSI_AIC79XX is not set
# CONFIG_SCSI_AIC94XX is not set
# CONFIG_SCSI_DPT_I2O is not set
# CONFIG_SCSI_ADVANSYS is not set
# CONFIG_SCSI_ARCMSR is not set
# CONFIG_MEGARAID_NEWGEN is not set
# CONFIG_MEGARAID_LEGACY is not set
# CONFIG_MEGARAID_SAS is not set
# CONFIG_SCSI_HPTIOP is not set
# CONFIG_SCSI_BUSLOGIC is not set
# CONFIG_SCSI_DMX3191D is not set
# CONFIG_SCSI_EATA is not set
# CONFIG_SCSI_FUTURE_DOMAIN is not set
# CONFIG_SCSI_GDTH is not set
# CONFIG_SCSI_IPS is not set
# CONFIG_SCSI_INITIO is not set
# CONFIG_SCSI_INIA100 is not set
# CONFIG_SCSI_STEX is not set
# CONFIG_SCSI_SYM53C8XX_2 is not set
# CONFIG_SCSI_IPR is not set
# CONFIG_SCSI_QLOGIC_1280 is not set
# CONFIG_SCSI_QLA_FC is not set
# CONFIG_SCSI_QLA_ISCSI is not set
# CONFIG_SCSI_LPFC is not set
# CONFIG_SCSI_DC395x is not set
# CONFIG_SCSI_DC390T is not set
# CONFIG_SCSI_NSP32 is not set
# CONFIG_SCSI_DEBUG is not set
# CONFIG_SCSI_SRP is not set



direi che qui ci sia tutto
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zoto
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PostPosted: Mon Sep 24, 2007 8:51 pm    Post subject: Reply with quote

[per la cronaca]
tornando al vecchio fstab (con sda* al posto di hda*) grub carica il kernel il quale a sua volta continua ad andare in panic
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Manwhe
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PostPosted: Tue Sep 25, 2007 6:31 am    Post subject: Reply with quote

Ciao

Magari sono sguercio ma non vedo ne l'attivazione dei driver stata ne le libata :)
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zoto
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PostPosted: Tue Sep 25, 2007 8:14 am    Post subject: Reply with quote

la stanchezza. sorry!

comunque stamattina mi sono detto: perche' non provare con il kernel precedente? Fatto. Ho messo su il kernel 2.6.21-r4, stesso config e tutto ha funzionato.

A questo punto mi chiedo se non sia stata messa qualche opzione nuova che bisogna abilitare e non me ne sia accorto.
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Tigerwalk
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PostPosted: Tue Sep 25, 2007 8:37 am    Post subject: Reply with quote

zoto wrote:
la stanchezza. sorry!

comunque stamattina mi sono detto: perche' non provare con il kernel precedente? Fatto. Ho messo su il kernel 2.6.21-r4, stesso config e tutto ha funzionato.

A questo punto mi chiedo se non sia stata messa qualche opzione nuova che bisogna abilitare e non me ne sia accorto.

potresti fare un diff tra i .config dei due kernel.
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noice
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PostPosted: Tue Sep 25, 2007 9:06 am    Post subject: Reply with quote

Tigerwalk wrote:

potresti fare un diff tra i .config dei due kernel.

si, secondo me ti conviene fare cosi':
copiati i due .config nella tua home e rinominali come kern1 e kern2 poi:
Code:
$cd /home/zoto (suppongo)
$cat kern1 |grep -vh '^[[:space:]]*\(#\|$\)' "$@" > kernel1
$cat kern2 |grep -vh '^[[:space:]]*\(#\|$\)' "$@" > kernel2
$diff -u kernel1 kernel2 > differenze
$cat differenze

:wink:
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Kernel78
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PostPosted: Tue Sep 25, 2007 9:49 am    Post subject: Reply with quote

noice wrote:
Tigerwalk wrote:

potresti fare un diff tra i .config dei due kernel.

si, secondo me ti conviene fare cosi':
copiati i due .config nella tua home e rinominali come kern1 e kern2 poi:
Code:
$cd /home/zoto (suppongo)
$cat kern1 |grep -vh '^[[:space:]]*\(#\|$\)' "$@" > kernel1
$cat kern2 |grep -vh '^[[:space:]]*\(#\|$\)' "$@" > kernel2
$diff -u kernel1 kernel2 > differenze
$cat differenze

:wink:

Perchè usi cat e grep ? non puoi usare solo grep ?

P.S. io continuo a preferire il comando che ho in firma io :wink:
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Prima di postare un file togli i commenti con
Code:
grep -vE '(^[[:space:]]*($|(#|!|;|//)))'
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noice
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PostPosted: Tue Sep 25, 2007 10:00 am    Post subject: Reply with quote

Kernel78 wrote:

Perchè usi cat e grep ? non puoi usare solo grep ?

non sapevo bastasse solo grep :roll: grazie per l'info
Quote:

P.S. io continuo a preferire il comando che ho in firma io :wink:

si credo che sia piu' completo :D
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PostPosted: Tue Sep 25, 2007 10:23 am    Post subject: Reply with quote

@zoto
invece di diff da terminale, puoi usare kdiff3, una comoda interfaccia grafica!
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PostPosted: Tue Sep 25, 2007 11:54 am    Post subject: Reply with quote

Comunque si, i nuovi kernel hanno i driver sata nuovi... c'ho perso un po di tempo anche io per capire...
Code:

.config - Linux Kernel v2.6.22-suspend2-r2 Configuration
 ──────────────────────────────────────────────────────────────────────────────
  ┌──────────────────────────── Device Drivers ─────────────────────────────┐
  │  Arrow keys navigate the menu.  <Enter> selects submenus --->.          │ 
  │  Highlighted letters are hotkeys.  Pressing <Y> includes, <N> excludes, │ 
  │  <M> modularizes features.  Press <Esc><Esc> to exit, <?> for Help, </> │ 
  │  for Search.  Legend: [*] built-in  [ ] excluded  <M> module  < >       │ 
  │ ┌────^(-)─────────────────────────────────────────────────────────────┐ │ 
  │ │        Connector - unified userspace <-> kernelspace linker  --->   │ │ 
  │ │    <M> Memory Technology Device (MTD) support  --->                 │ │ 
  │ │        Parallel port support  --->                                  │ │ 
  │ │        Plug and Play support  --->                                  │ │ 
  │ │        Block devices  --->                                          │ │ 
  │ │        Misc devices  --->                                           │ │ 
  │ │    <*> ATA/ATAPI/MFM/RLL support  --->                              │ │ 
  │ │        SCSI device support  --->                                    │ │ 
  │ │    <*> Serial ATA (prod) and Parallel ATA (experimental) drivers  --│ │  <------------- Eccoli!
  │ │        Multi-device support (RAID and LVM)  --->                    │ │ 
  │ └────v(+)─────────────────────────────────────────────────────────────┘ │ 
  ├─────────────────────────────────────────────────────────────────────────┤ 
  │                    <Select>    < Exit >    < Help >                     │ 
  └─────────────────────────────────────────────────────────────────────────┘ 
   




Okkio mi è sembrato di capire che siano in conflitto con quelli vecchi......
[OT]
@ noice: IMHO grep, sed e awk... Imparare ad usarli come dio comanda ha un po' l'effetto delle regexp di perl.... Fanno anche il caffè :wink:
[/OT]
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