Root Password reset in HP UNIX

Root Password reset in HP-UNIX

If you forget your root account password or password expired then you can reset your password by using below simple steps but before process starting take approval for downtime.


1.First of all reboot your server and login through MP and take console.

2. After that while prompt for interrupt autoboot then press escape. 

Press Any Key to interrupt Autoboot
\EFI\HPUX\AUTO ==> boot vmunix
Seconds left till autoboot -   9

HPUX>

3.Then initialize single user mode by using below command: -

HPUX> boot -is

> System Memory = 8170 MB
loading section 0
........................................................................... (complete)
loading section 1
................. (complete)
loading symbol table
loading System Directory (boot.sys) to MFS
.....
loading MFSFILES directory (bootfs) to MFS
......................................

================================================================================
WARNING: Multiple console output devices are configured. If this message
remains on the screen for more than a few minutes, then this is not the
device in use by HP-UX as the console output device. If you would like this
device to be the one used by HP-UX as the console output device, reboot and
use the EFI boot manager or the EFI 'conconfig' command to select this device
and deconfigure the others.
================================================================================

Launching /stand/vmunix
SIZE: Text:37982K + Data:8501K + BSS:27226K = Total:73710K
Console is on Serial Device - via PCDP
Booting kernel...

Loaded ACPI revision 2.0 tables.
Using /stand/ext_ioconfig

Memory Class Setup
-------------------------------------------------------------------------
Class     Physmem              Lockmem              Swapmem
-------------------------------------------------------------------------
System :  7769 MB              7769 MB              7769 MB
Kernel :  7769 MB              7769 MB              7769 MB
User   :  7028 MB              6231 MB              6255 MB
-------------------------------------------------------------------------

ktracer is off until requested.
spinlock ALAT switching supported on this system
Installing Socket Protocol families AF_INET and AF_INET6
Kernel EVM initialized
sec_init(): kernel RPC authentication/security initialization.
secgss_init():  kernel RPCSEC_GSS security initialization.
rpc_init(): kernel RPC initialization.
rpcmod_install(): kernel RPC STREAMS module "rpcmod" installation. ...(driver_install)
NOTICE: nfs_client_pv3_install(): nfs3 File system was registered at index 10.
NOTICE: nfs_client_pv4_install(): nfs4 File system was registered at index 11.
NOTICE: cachefsc_install: cachefs File system was registered at index 13.
CISS: RAID SA P400 controller on hardware path 0/3/0/0/0/0 is now online.
Boot device's HP-UX HW path is: 0/3/0/0/0/0.0x0.0x4000000000000000

    System Console is on the Built-In Serial Interface
igelan0: INITIALIZING HP PCI-X 1000Base-T Dual-port Built-in at hardware path 0/1/2/0
iether2: INITIALIZING HP AD337-60001 PCIe 1000Base-T Dual-port Adapter at hardware path 0/5/0/0/0/0
iether3: INITIALIZING HP AD337-60001 PCIe 1000Base-T Dual-port Adapter at hardware path 0/5/0/0/0/1
igelan1: INITIALIZING HP PCI-X 1000Base-T Dual-port Built-in at hardware path 0/1/2/1
AF_INET socket/streams output daemon running, pid 51
afinet_prelink: module installed
Starting the STREAMS daemons-phase 1
LVM: Root VG activated
    Swap device table:  (start & size given in 512-byte blocks)
        entry 0 - major is 64, minor is 0x2; start = 0, size = 16777216
Checking root file system.
file system is clean - log replay is not required
Root check done.
Create STCP device files
Starting the STREAMS daemons-phase 2
     $Revision: vmunix:    B.11.31_LR FLAVOR=perf
Memory Information:
    physical page size = 4096 bytes, logical page size = 4096 bytes
    Physical: 8366068 Kbytes, lockable: 5935488 Kbytes, available: 6752348 Kbytes

/sbin/ioinitrc:
/dev/vg00/lvol1:file system is clean - log replay is not required
/sbin/krs_sysinit:
       * The module 'gvid_info' has been loaded.
       * The module 'rng' has been loaded.
       * The module 'pciinfo' has been loaded.

insf: Installing special files for ipmi instance 0 address 250/0
insf: Installing special files for pseudo driver framebuf


INIT: Overriding default level with level 's'

INIT: SINGLE USER MODE


INIT: Running /sbin/sh
#

4. Then mount /usr directory and restore /etc/passwd

# mount /usr
# /usr/lbin/tsconvert -r
Restoring /etc/passwd...
/etc/passwd restored.
Deleting at and crontab audit ID files...
Can't open directory: /var/spool/cron/.ataids

5. Now you can change password by passwd command: -

# passwd root
Changing password for root
New password:
Re-enter new password:
Passwd successfully changed
# reboot

 Now password changed successfully. Reboot your server and login with new password.