Skip to main content

Root Password Recovery Solaris 10

root@Base-Machine:~# ldm list

NAME             STATE     FLAGS   CONS    VCPU  MEMORY   UTIL   UPTIME
primary            active     -n-cv-     UART     8          82432M     0.3%     95d
solaris-LD01    active     -n----      5000      62         62G           0.0%     6m
solaris-LD02    active     -n----      5001      62         62G           0.0%     1m


root@IBase-Machine::~# ldm set-variable auto-boot?=False solaris-LD02
root@Base-Machine::~# ldm list-variable  solaris-LD02
auto-boot?=False
keyboard-layout=US-English
pm_boot_policy=disabled=0;ttfc=2000;ttmr=0;

root@Base-Machine:~# telnet 0 5001
Trying 0.0.0.0...
Connected to 0.
Escape character is '^]'.

Connecting to console "Solaris-LD02" 
Solaris: console login:
telnet> send break
Debugging requested; hardware watchdog suspended.
c)ontinue, s)ync, r)eset? Choose r
Resetting...
NOTICE: Entering OpenBoot.
NOTICE: Fetching Guest MD from HV.
NOTICE: Starting additional cpus.
NOTICE: Initializing LDC services.
NOTICE: Probing PCI devices.
NOTICE: Finished PCI probing.


{0} ok
{0} ok devalias
disk01      /virtual-devices@100/channel-devices@200/disk@8
Disk02     /virtual-devices@100/channel-devices@200/disk@7
Disk03     /virtual-devices@100/channel-devices@200/disk@6
Disk04     /virtual-devices@100/channel-devices@200/disk@5
disk          /virtual-devices@100/channel-devices@200/disk@0
virtual-console          /virtual-devices/console@1
name                     aliases

Booting the system in Failsafe mode

{0} ok boot -F failsafe
Boot device: /virtual-devices@100/channel-devices@200/disk@0  File and args: -F failsafe

ROOT/s10s_update11 was found on rpool.
Do you wish to have it mounted read-write on /a? [y,n,?] y
mounting rpool on /a

Starting shell.
#
# df -h
Filesystem             size   used  avail capacity  Mounted on
/ramdisk-root:a        212M   187M   3.6M    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                    59G   320K    59G     1%    /etc/svc/volatile
objfs                    0K     0K     0K     0%    /system/object
sharefs                  0K     0K     0K     0%    /etc/dfs/sharetab
swap                    59G   576K    59G     1%    /tmp
/tmp/dev                59G   576K    59G     1%    /dev
fd                       0K     0K     0K     0%    /dev/fd
rpool/ROOT/s10s_update11
                        98G    14G    78G    15%    /a
rpool/export            98G    32K    78G     1%    /a/export
rpool/export/home       98G    31K    78G     1%    /a/export/home
rpool                   98G   106K    78G     1%    /a/rpool
#
# TERM=vt100
# EDITOR=vi
# export TERM
#vi /etc/shadow

Switch to the directory

cd /a/etc
vi shadow
<Carefully remove or change the  unknown password of root >

Update the boot archive
bootadm update-archive -R /a


Reboot the system
Labels:

Comments

Post a Comment

Popular posts from this blog

Setting up X11 Access to the Solaris GUI Gnome Desktop

How to   access the GUI desktop environment on a Solaris 11 SPARC server from Windows, MAC, Solaris or Linux desktop computer. As most of the time SPARC based servers are installed using the Oracle Solaris 11 Text  Installer (installing the solaris-large-server group of software packages), the desktop  environment is not installed (mostly to keep the system lightweight) . So the only option for connecting remotely to the server is with an SSH client and a command line interface  (Known as Terminal). Most widely used software to connect to a command line is Putty. For beginners , who haven’t worked on any unix/linux system , it takes time to adjust to the commands and syntax of terminals (The so called black screen).   Installation Overview To accomplish our task   we will   follow these three steps: 1. Install the Gnome desktop environment on our SPARC server. Note – If we use the text installation method, the Oracle Solaris Desktop package (solar...
Post a Comment
Read more

AWK one liners [part one]

AWK was initially developed in 1977 by Alfred Aho , Peter J Wienberger  and Brian Kernighan. And hence the name(AWK) derived from  their respective initials. AWK was designed basically for text processing and used mostly for  extraction  a nd manipulation of data. For more info  :  visit here Lets start with the examples. 1. Print Specific Column from a file sample file created awk '{print $1 "   " $3}' abc.txt awk '{print $1 "   " $3}' abc.txt 2. Print all data from a table awk '{print $0}' abc.txt
Post a Comment
Read more

Root Password Recovery Solaris 11

1. Set the auto-boot options to false.  ldm set-variable auto-boot\?=false Ldom-name 2. To check the disk resources attached to your ldm  ldm list -o disk Ldom-name 3. Check for any existing services on Primary/IO Domain  ldm list-services primary 4. You can use the existing one , if any or else create a new one. l dm add-vds primary-cdrom primary 5. Add a vdsdev to the service created in step 4 l dm add-vdsdev options=ro  /tmp/sol-11_2-text-sparc.iso  cdrom01@primary-cdrom where ro=read-only /tmp/sol-11_2-text-sparc.iso = path of The Solaris 11 iso image   6. Add a virtual disk to the vdsdev created in step 5 l dm add-vdisk cdrom cdrom01@primary-cdrom Ldom-name 7. From the primary domain break into the ldom whose password is to be recovered telnet 0 500x (ldm port number) Trying 0.0.0.0.. Connected to 0 Escape character is '^]' telnet> send break c)ontinue, s)ync, r)eset? Enter r Resetting.. NOTICE: ...
Post a Comment
Read more