This post is regarding Root Password Recovery.
In simple root passwd is recovered by booting server with cdrom to single user mode and then we need to edit root entry in /etc/shadow file.
RSC version 2.2.3
rsc>
rsc>
rsc> console
console login: root
Password:
rsc>
rsc> help
RSC Help
password Change password.
poweron Power on host system.
poweroff Power off host system.
reset Reset host system.
xir Send XIR reset to host system.
resetrsc Reboot RSC.
console Connect to system console.
break Send break to system console.
environment Print environment information.
showenvironment Print environment information.
(Synonymous with 'environment'.)
shownetwork Show current network configuration.
set <variable> <value>
Set configuration variable <variable> to value <value>.
show [<variable>] Show the value of all variables or a specific variable.
date [[mmdd]HHMM | mmddHHMM[cc]yy][.SS]
Set/Show the current date and time.
showdate Show the current date and time.
(Synonymous with 'date'.)
setdate [mmdd]HHMM | mmddHHMM[cc]yy[.SS]
Set the current date and time.
(Synonymous with 'date <date-string>'.)
bootmode [-u] [normal|forth|reset_nvram|diag|skip_diag]
Set the host firmware boot mode.
setlocator [on|off]
Turn the system locator LED on or off.
showlocator Show the state of the system locator LED.
consolehistory [boot|run|oboot|orun] [index [+|-]<n>] [pause <n>]
Dump console history log.
consolerestart Set current console log to be original console log.
loghistory [index [+|-]<n>] [pause <n>]
Dump Event log.
useradd <username> Add a new user.
userdel <username> Delete a user.
usershow [ <username> ]
Show all users (or a specific user).
userpassword <username>
Change password for a specific user.
userperm <username> [c][u][a][r]
Set permissions for a user.
version [-v] Print revision of RSC firmware.
showsc Print revision of RSC firmware.
(Synonymous with 'version'.)
logout Log out of the RSC shell.
rsc> break ---- to bring down server to OK prompt
rsc>
rsc>
rsc> console
{3} ok
{3} ok
{3} ok
{3} ok devalias
net /pci@9,700000/network@2
rootdisk /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
rootmirror /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@1,0
disk1 /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@1,0
disk0 /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
disk /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
ide /pci@8,700000/ide@6
scsi /pci@9,600000/SUNW,qlc@2
cdrom /pci@8,700000/ide@6/cdrom@0,0:f
net /pci@9,700000/network@2
net1 /pci@9,600000/network@1
net0 /pci@9,700000/network@2
flash /pci@9,700000/ebus@1/flashprom@0,0
idprom /pci@9,700000/ebus@1/i2c@1,2e/idprom@4,a4
nvram /pci@9,700000/ebus@1/i2c@1,2e/nvram@4,a4
i2c1 /pci@9,700000/ebus@1/i2c@1,30
i2c0 /pci@9,700000/ebus@1/i2c@1,2e
bbc /pci@9,700000/ebus@1/bbc@1,0
rsc-console /pci@9,700000/ebus@1/rsc-console@1,3083f8
rsc-control /pci@9,700000/ebus@1/rsc-control@1,3062f8
ttya /pci@9,700000/ebus@1/serial@1,400000:a
pci9b /pci@9,700000
pci9a /pci@9,600000
pci8b /pci@8,700000
pci8a /pci@8,600000
ebus /pci@9,700000/ebus@1
name aliases
{3} ok
{3} ok
{3} ok
{3} ok
{3} ok printenv
Variable Name Value Default Value
test-args
diag-passes 1 1
local-mac-address? true false
scsi-initiator-id 7 7
oem-logo No default
oem-logo? false false
oem-banner No default
oem-banner? false false
ansi-terminal? true true
screen-#columns 80 80
screen-#rows 34 34
ttya-rts-dtr-off false false
ttya-ignore-cd true true
ttya-mode 9600,8,n,1,- 9600,8,n,1,-
output-device rsc-console ttya
input-device rsc-console ttya
auto-boot-on-error? true true
load-base 16384 16384
auto-boot? true true
network-boot-arguments
boot-command boot boot
diag-file
diag-device rootdisk rootmirror net
boot-file
boot-device rootdisk rootmirror disk net
use-nvramrc? true false
nvramrc devalias rootmirror /pci ...
security-mode none No default
security-password No default
security-#badlogins 0 No default
verbosity normal normal
fcode-debug? false false
diag-out-console true false
diag-trigger error-reset power-on-res ... error-reset power-on-res ...
service-mode? false false
diag-script normal normal
diag-level max max
diag-switch? true false
error-reset-recovery sync sync
{3} ok setenv auto-boot? false
auto-boot? = false
{3} ok
{3} ok
{3} ok
{3} ok
{3} ok boot cdrom -s
Boot device: /pci@8,700000/ide@6/cdrom@0,0:f File and args: -s
hsfs-file-system
Loading: /platform/sun4u/boot_archive
ramdisk-root ufs-file-system
Loading: /platform/SUNW,Sun-Fire-V490/kernel/sparcv9/unix
Loading: /platform/sun4u/kernel/sparcv9/unix
SunOS Release 5.10 Version Generic_142909-17 64-bit
Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.
os-io Booting to milestone "milestone/single-user:default".
Configuring devices.
Using RPC Bootparams for network configuration information.
Attempting to configure interface ce1...
Skipped interface ce1
Attempting to configure interface ce0...
Skipped interface ce0
Requesting System Maintenance Mode
SINGLE USER MODE
#
#
#
# df -kh
Filesystem size used avail capacity Mounted on
/ramdisk-root:a 197M 175M 2.3M 99% /
/devices 0K 0K 0K 0% /devices
ctfs 0K 0K 0K 0% /system/contract
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 31G 344K 31G 1% /etc/svc/volatile
objfs 0K 0K 0K 0% /system/object
sharefs 0K 0K 0K 0% /etc/dfs/sharetab
swap 31G 592K 31G 1% /tmp
/tmp/dev 31G 592K 31G 1% /dev
fd 0K 0K 0K 0% /dev/fd
/devices/pci@8,700000/ide@6/sd@0,0:f
2.1G 2.1G 0K 100% /cdrom
df: cannot statvfs /platform/sun4u-us3/lib/libc_psr.so.1: Operation not applicable
df: cannot statvfs /platform/sun4u-us3/lib/sparcv9/libc_psr.so.1: Operation not applicable
swap 31G 8K 31G 1% /tmp/root/var/run
#
#
#
#
# echo |format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c1t0d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfccbf,0
1. c1t1d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfb67a,0
Specify disk (enter its number): Specify disk (enter its number):
#
#
# ls -ld /dev/dsk/c1t0d0s0
lrwxrwxrwx 1 root root 70 Apr 13 01:06 /dev/dsk/c1t0d0s0 -> ../../devices/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfccbf,0:a
# prtconf -vp |grep -i boot
bootarchive: '/ramdisk-root'
bootfs: fff49f10
bootargs: '-s'
bootpath: '/pci@8,700000/ide@6/cdrom@0,0:f'
auto-boot-on-error?: 'true'
auto-boot?: 'false'
network-boot-arguments:
boot-command: 'boot'
boot-file:
boot-device: 'rootdisk rootmirror'
#
#
#
# mount /dev/dsk/c1t0d0s0 /a
# cd /a/etc
# EDITOR=vi
# export EDITOR
#
# TERM=vt100
# export TERM
#
#
#
# cat shadow
root:$1$8W5IYpSB$8H2TDgCqbs2dllasqplsh/:14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
lp:*LK*NP:14247::::::
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
#
#
#
#
# vi shadow -------Below entry is the password info of root user , so remove it.
root:$1$8W5IYpSB$8H2TDgCqbs2dllasqplsh/:14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
lp:*LK*NP:14247::::::
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
~
~
~
"shadow" 17 lines, 378 characters
#
#
# pwd
/a/etc
#
# more shadow
root::14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
"shadow" [Read only] 23 lines, 524 characters
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
#
#
# cd
#
# umount /a
#
#
# init 0
# syncing file systems... done
Program terminated
{13} ok
{13} ok
{13} ok
{13} ok
{13} ok boot -rv
Resetting ...
After reboot you can login with no password and can reset the root password.
In simple root passwd is recovered by booting server with cdrom to single user mode and then we need to edit root entry in /etc/shadow file.
RSC version 2.2.3
rsc>
rsc>
rsc> console
console login: root
Password:
rsc>
rsc> help
RSC Help
password Change password.
poweron Power on host system.
poweroff Power off host system.
reset Reset host system.
xir Send XIR reset to host system.
resetrsc Reboot RSC.
console Connect to system console.
break Send break to system console.
environment Print environment information.
showenvironment Print environment information.
(Synonymous with 'environment'.)
shownetwork Show current network configuration.
set <variable> <value>
Set configuration variable <variable> to value <value>.
show [<variable>] Show the value of all variables or a specific variable.
date [[mmdd]HHMM | mmddHHMM[cc]yy][.SS]
Set/Show the current date and time.
showdate Show the current date and time.
(Synonymous with 'date'.)
setdate [mmdd]HHMM | mmddHHMM[cc]yy[.SS]
Set the current date and time.
(Synonymous with 'date <date-string>'.)
bootmode [-u] [normal|forth|reset_nvram|diag|skip_diag]
Set the host firmware boot mode.
setlocator [on|off]
Turn the system locator LED on or off.
showlocator Show the state of the system locator LED.
consolehistory [boot|run|oboot|orun] [index [+|-]<n>] [pause <n>]
Dump console history log.
consolerestart Set current console log to be original console log.
loghistory [index [+|-]<n>] [pause <n>]
Dump Event log.
useradd <username> Add a new user.
userdel <username> Delete a user.
usershow [ <username> ]
Show all users (or a specific user).
userpassword <username>
Change password for a specific user.
userperm <username> [c][u][a][r]
Set permissions for a user.
version [-v] Print revision of RSC firmware.
showsc Print revision of RSC firmware.
(Synonymous with 'version'.)
logout Log out of the RSC shell.
rsc> break ---- to bring down server to OK prompt
rsc>
rsc>
rsc> console
{3} ok
{3} ok
{3} ok
{3} ok devalias
net /pci@9,700000/network@2
rootdisk /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
rootmirror /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@1,0
disk1 /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@1,0
disk0 /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
disk /pci@9,600000/SUNW,qlc@2/fp@0,0/disk@0,0
ide /pci@8,700000/ide@6
scsi /pci@9,600000/SUNW,qlc@2
cdrom /pci@8,700000/ide@6/cdrom@0,0:f
net /pci@9,700000/network@2
net1 /pci@9,600000/network@1
net0 /pci@9,700000/network@2
flash /pci@9,700000/ebus@1/flashprom@0,0
idprom /pci@9,700000/ebus@1/i2c@1,2e/idprom@4,a4
nvram /pci@9,700000/ebus@1/i2c@1,2e/nvram@4,a4
i2c1 /pci@9,700000/ebus@1/i2c@1,30
i2c0 /pci@9,700000/ebus@1/i2c@1,2e
bbc /pci@9,700000/ebus@1/bbc@1,0
rsc-console /pci@9,700000/ebus@1/rsc-console@1,3083f8
rsc-control /pci@9,700000/ebus@1/rsc-control@1,3062f8
ttya /pci@9,700000/ebus@1/serial@1,400000:a
pci9b /pci@9,700000
pci9a /pci@9,600000
pci8b /pci@8,700000
pci8a /pci@8,600000
ebus /pci@9,700000/ebus@1
name aliases
{3} ok
{3} ok
{3} ok
{3} ok
{3} ok printenv
Variable Name Value Default Value
test-args
diag-passes 1 1
local-mac-address? true false
scsi-initiator-id 7 7
oem-logo No default
oem-logo? false false
oem-banner No default
oem-banner? false false
ansi-terminal? true true
screen-#columns 80 80
screen-#rows 34 34
ttya-rts-dtr-off false false
ttya-ignore-cd true true
ttya-mode 9600,8,n,1,- 9600,8,n,1,-
output-device rsc-console ttya
input-device rsc-console ttya
auto-boot-on-error? true true
load-base 16384 16384
auto-boot? true true
network-boot-arguments
boot-command boot boot
diag-file
diag-device rootdisk rootmirror net
boot-file
boot-device rootdisk rootmirror disk net
use-nvramrc? true false
nvramrc devalias rootmirror /pci ...
security-mode none No default
security-password No default
security-#badlogins 0 No default
verbosity normal normal
fcode-debug? false false
diag-out-console true false
diag-trigger error-reset power-on-res ... error-reset power-on-res ...
service-mode? false false
diag-script normal normal
diag-level max max
diag-switch? true false
error-reset-recovery sync sync
{3} ok setenv auto-boot? false
auto-boot? = false
{3} ok
{3} ok
{3} ok
{3} ok
{3} ok boot cdrom -s
Boot device: /pci@8,700000/ide@6/cdrom@0,0:f File and args: -s
hsfs-file-system
Loading: /platform/sun4u/boot_archive
ramdisk-root ufs-file-system
Loading: /platform/SUNW,Sun-Fire-V490/kernel/sparcv9/unix
Loading: /platform/sun4u/kernel/sparcv9/unix
SunOS Release 5.10 Version Generic_142909-17 64-bit
Copyright (c) 1983, 2010, Oracle and/or its affiliates. All rights reserved.
os-io Booting to milestone "milestone/single-user:default".
Configuring devices.
Using RPC Bootparams for network configuration information.
Attempting to configure interface ce1...
Skipped interface ce1
Attempting to configure interface ce0...
Skipped interface ce0
Requesting System Maintenance Mode
SINGLE USER MODE
#
#
#
# df -kh
Filesystem size used avail capacity Mounted on
/ramdisk-root:a 197M 175M 2.3M 99% /
/devices 0K 0K 0K 0% /devices
ctfs 0K 0K 0K 0% /system/contract
proc 0K 0K 0K 0% /proc
mnttab 0K 0K 0K 0% /etc/mnttab
swap 31G 344K 31G 1% /etc/svc/volatile
objfs 0K 0K 0K 0% /system/object
sharefs 0K 0K 0K 0% /etc/dfs/sharetab
swap 31G 592K 31G 1% /tmp
/tmp/dev 31G 592K 31G 1% /dev
fd 0K 0K 0K 0% /dev/fd
/devices/pci@8,700000/ide@6/sd@0,0:f
2.1G 2.1G 0K 100% /cdrom
df: cannot statvfs /platform/sun4u-us3/lib/libc_psr.so.1: Operation not applicable
df: cannot statvfs /platform/sun4u-us3/lib/sparcv9/libc_psr.so.1: Operation not applicable
swap 31G 8K 31G 1% /tmp/root/var/run
#
#
#
#
# echo |format
Searching for disks...done
AVAILABLE DISK SELECTIONS:
0. c1t0d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfccbf,0
1. c1t1d0 <SUN146G cyl 14087 alt 2 hd 24 sec 848>
/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfb67a,0
Specify disk (enter its number): Specify disk (enter its number):
#
#
# ls -ld /dev/dsk/c1t0d0s0
lrwxrwxrwx 1 root root 70 Apr 13 01:06 /dev/dsk/c1t0d0s0 -> ../../devices/pci@9,600000/SUNW,qlc@2/fp@0,0/ssd@w21000014c3cfccbf,0:a
# prtconf -vp |grep -i boot
bootarchive: '/ramdisk-root'
bootfs: fff49f10
bootargs: '-s'
bootpath: '/pci@8,700000/ide@6/cdrom@0,0:f'
auto-boot-on-error?: 'true'
auto-boot?: 'false'
network-boot-arguments:
boot-command: 'boot'
boot-file:
boot-device: 'rootdisk rootmirror'
#
#
#
# mount /dev/dsk/c1t0d0s0 /a
# cd /a/etc
# EDITOR=vi
# export EDITOR
#
# TERM=vt100
# export TERM
#
#
#
# cat shadow
root:$1$8W5IYpSB$8H2TDgCqbs2dllasqplsh/:14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
lp:*LK*NP:14247::::::
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
#
#
#
#
# vi shadow -------Below entry is the password info of root user , so remove it.
root:$1$8W5IYpSB$8H2TDgCqbs2dllasqplsh/:14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
lp:*LK*NP:14247::::::
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
~
~
~
"shadow" 17 lines, 378 characters
#
#
# pwd
/a/etc
#
# more shadow
root::14412:7:56:7:::
daemon:*LK*NP:14247::::::
bin:*LK*NP:14247::::::
sys:NP:6445::::::
adm:*LK*NP:14247::::::
"shadow" [Read only] 23 lines, 524 characters
uucp:*LK*NP:14247::::::
nuucp:*LK*NP:14247::::::
smmsp:*LK*NP:14247::::::
listen:*LK*:::::::
gdm:*LK*:::::::
webservd:*LK*:::::::
postgres:NP:::::::
svctag:*LK*:6445::::::
nobody:*LK*:6445::::::
noaccess:*LK*:6445::::::
nobody4:*LK*:6445::::::
#
#
# cd
#
# umount /a
#
#
# init 0
# syncing file systems... done
Program terminated
{13} ok
{13} ok
{13} ok
{13} ok
{13} ok boot -rv
Resetting ...
After reboot you can login with no password and can reset the root password.
No comments:
Post a Comment