Solaris advanced system management lecture notes Day 2

SA-299 Day 2
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Dump)

Preparation
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VI/usr/kernel/drv/crashsample
Type: Caution: this will cause system crash!

CP/etc/system. orig

VI/etc/System
Type: forceload: drv/crashsample

Dump
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Reboot

# Observe the system restart process (reporting module loading failure, but not crash dump)

Boot-

Ls/var/crash/sunxx/vmcore. x
Ls/var/crash/sunxx/Unix. x

Restore site
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Delete/usr/kernel/drv/crashsample

CP/etc/system. orig/etc/System

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Core dump after process crash

Preparation
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CD $ home

Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
X vi coresample. c

X type:

# Include <stdio. h>
# Include <stdlib. h>

Void main ()
{
Char * P = NULL;
P [0] = 'a ';
}

X Compilation
X ----

/Usr/UCB/CC coresample. C-o coresample

Xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Run
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./Coresample

Ls-L core

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Which Mount

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CD/Net

Ls
# Empty

Ls sunxxx
#

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Create an autofs direct mount point

Mount point:/export/home/mt

# Vi/etc/auto_master
Type:/-auto_direct-RW, browser

VI/etc/auto_direct
Type:/export/home/MT-RW, soft server3, server4:/usr/share/man

Ls/export/home/mt

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Create an autofs indirect mount point

VI/etc/auto_home
Type:
<Newuser> <otherserver>:/export/home/newuser

Ls/home/newuser

Or
CD/home/newuser
Ls-la

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Create an autofs indirect mount point

VI/etc/auto_master
Type:
/Indirect auto_indirect-RW, browser

VI/etc/auto_indirect
Type:
SSS <otherserver>:/export/home/SSS

Ls/indirect/SSS

Or
CD/indirect/SSS
Ls-la

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Move existing file systems

Move to the front cylinder and empty the rear cylinder. Divides four partitions evenly on the idle cylinder.
/
(SWAP)
(S2, overlap)
/Usr