10 More Discussions You Might Find Interesting
1. Red Hat
Hi,
My HP machine is using as boot device a disk defined in the Storage (IBM V5000). The connection is done by fiber connected through fiber switch.
No lacal disks are installed.
I'm using redhat 6.6.
I've installed and configured multipath.
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2. Solaris
Hi all,
I have the the following SCSI diagnostic codes shown in the attached photo
I suspect disk drive failure what can I do further to diagnose the disk. and if possible to boot into OS again. (5 Replies)
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3. Solaris
hello
i have a sun server V890 and it stops booting after adding 2 CPUs modules and gives me the following error message:
Enabling system bus....... Done
Initializing CPUs......... Done
Initializing boot memory..
RAM-Copy CRC failure!Can't start: No image found
FATAL: Can't find/decompress... (12 Replies)
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4. UNIX for Dummies Questions & Answers
hello
i have a sun server V890 and it stops booting after adding 2 CPUs modules and gives me the following error message:
Enabling system bus....... Done
Initializing CPUs......... Done
Initializing boot memory..
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FATAL: Can't find/decompress... (0 Replies)
Discussion started by: bahjatm
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5. Solaris
Hi everyone,
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6. Solaris
When I installed the SOLARIS 10 OS first time, the desktop would not start up, this was because of network setup. Reinstalled worked. After a week due to some problem I had to reinstall OS, installation went fine and but when i reboot I get this error.
cannot find mis/krtld
boot error loading... (0 Replies)
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7. UNIX for Advanced & Expert Users
Hi All.
Yesterday my pc worked fine. Today when booting the sequence gets just past mounting the root filesystem - it then says
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8. UNIX for Dummies Questions & Answers
i have instaled a boot loader and win98 on drive c: and linux on drive d: and when i go to boot with the loader into linux nottin happens.is there some way i should install lilo to let it boot of a loader on drive c: ? (5 Replies)
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9. UNIX for Advanced & Expert Users
we have a problem with a server UNIX SUN OS 5.7 :
we tried to reboot it and we have the following error message :
"boot load failed
the file just loaded does not appear to be executable "
we booted the server in single user mode with the cdrom
we made the mirrored disk bootable
we tried... (2 Replies)
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10. UNIX for Dummies Questions & Answers
I had Win98 and Win Xp on a dual boot on my system, I formatted my C: drive to get rid of Win98 and installed Linux Madrake in its Place, it all installed ok but when I boot up I can no longer dual boot and it goes straight into Mandrake Linux. How can I get either a dual boot so I can get to XP... (10 Replies)
Discussion started by: Merv
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DMESG(1) General Commands Manual DMESG(1)
NAME
dmesg - print or control the kernel ring buffer
SYNOPSIS
dmesg [-c] [-r] [-n level] [-s bufsize]
DESCRIPTION
dmesg is used to examine or control the kernel ring buffer.
The program helps users to print out their bootup messages. Instead of copying the messages by hand, the user need only:
dmesg > boot.messages
and mail the boot.messages file to whoever can debug their problem.
OPTIONS
-c Clear the ring buffer contents after printing.
-r Print the raw message buffer, i.e., don't strip the log level prefixes.
-s bufsize
Use a buffer of size bufsize to query the kernel ring buffer. This is 16392 by default. (The default kernel syslog buffer size was
4096 at first, 8192 since 1.3.54, 16384 since 2.1.113.) If you have set the kernel buffer to be larger than the default then this
option can be used to view the entire buffer.
-n level
Set the level at which logging of messages is done to the console. For example, -n 1 prevents all messages, except panic messages,
from appearing on the console. All levels of messages are still written to /proc/kmsg, so syslogd(8) can still be used to control
exactly where kernel messages appear. When the -n option is used, dmesg will not print or clear the kernel ring buffer.
When both options are used, only the last option on the command line will have an effect.
SEE ALSO
syslogd(8)
AVAILABILITY
The dmesg command is part of the util-linux-ng package and is available from ftp://ftp.kernel.org/pub/linux/utils/util-linux-ng/.
DMESG(1)
