Create Startup /shutdown script in HP UX :- How to??

Startup and shut down script has 3 parts 1.Original script in /sbin/init.d 2.…

SSHD Service start /stop in HP-UX

HP-UX SSHD System Startup and Shutdown script: #/sbin/init.d/secsh {start|sto…

ipforwarding Enable in Linux :- How to??

To check its enabled or not : #sysctl net.ipv4.ip_forward net.ipv4.ip_forward…

ipforwarding Enble in hp unix :- How to??

To Check ipforwarding is enabled or not: #ndd -get /dev/ip ip_forwarding will…

LOCK disk Initialization in MC service Guard

To find a LOCK disk /LOCK VG in cluster: #grep LOCK /etc/cmcluster/cmclconfig…

MC Service Guard Config Files

Time Zone change in hp unix :- How to??

To change the timezone system wide, execute the following: 1. # /sbin/set_par…

Recover rootvg (vg00) using ignite tape backup

Take the Root vg (vg00) backup @ tape drive use the below command # make_tape…

Reinstalling GRUB in ubuntu

In Ubuntu Linux OS to edit the grub config u have to edit the below file only…

How Manually boot Linux OS in Ubuntu??

These are the same 3 methods you see in a menu.lst, except in menu.lst y…

Enable FTP service in Unix server

How to enable FTP access: 1./etc/services : Check this file and uncomment the…

Reduce file system size in unix ??

If online JFS is installed means #swlist | grep -i "onlinejfs" #bdf…

how to start syslog in hp unix?

U can use the below command to start the syslog. #/sbin/init.d/syslogd start …

Mount ISO image in hp unix : How to ?

On HP-UX 11.11 Start the pfs mount & pfs daemon: # nohup pfs_mountd &…

EMC Luns in hp Unix Server :How to view?

To view the EMC Luns on unix server #powermt device=all" -> For EMC -…

Enable large file option in hp unix

To change the file system to large file support we need to use below command …

which Daemons controls MC service Guard ??

Totally 8 daemons are controlling the service guard config * /usr/lbin/cmclco…

Patch requires reboot or not ?? How to verify ??

You can verify a patch's reboot requirement with below command: # swlist …

open ports /sockets in hp unix :How to check??

To check the open ports netstat -an | grep -i listen netstat -an | grep <p…

Enable /Disable autoboot using "setboot" command :

To make auto boot on: # setboot -b on To make autoboot OFF # setboot -b …

Server not booting at EFI shell ?? HP-UX or the EFI's NVRAM image is wrong ?

If the EFI Bootcode points to incorrect block of the disk, so the boot servic…

tar & untar a File ??

TAR 1. tar - cvf test.dat : To tar a file 2.tar -czf test.dat : To tar and zi…

Root disk failed in HP Unix ??? How to change the Root disk?

If the disk is hot swappable, remove the disk 1. # vgreduce -f /dev/vg00 This…

Half duplex / Full duplex for LAN card :How to check/set ?

Duplex setting in HP Unix :- # lanscan ( To see the PPA number of the LAN c…

How to controll user access by using "/etc/profile" & /var/adm/inetd.sec ?

By /var/adm/inetd.sec :- /var/adm/inetd.sec file is used to control the t…

Tar command for backup/restore in network ?

A. Take the backup of the directory "/data" into the remote server …

RAID Level supported by LVM - HP UX

HP-UX with LVM supports 1 ) Mirroring RAID 1 2 ) Striping RAID 0 3 ) Striping…

maximum number of groups a user can belongs to ??

we can use the below command to get  the maximum number of groups a user can …

Scenario Questions : in HP UX

Senario1 : The disk/volume groups that are going to be shared between nodes in…

3 types of system crashes

1.High Priority Machine Check (HPMC) - Normally the result of a piece of h…

Linux Boot Process

1. POST : booting Linux begins in the BIOS at address 0xFFFF0. It starts …

RedBoot & U-Boot ?

RedBoot , the Red Hat Embedded Debug and Bootstrap firmware, is a complete bo…

Content of MBR in Linux : How to Read?

To see the contents of your MBR, use this c…

Reduce inode usage?

For examble /opt filesystem's inode usage is high means we have to do bel…

32 and /or 64 bit kernel :How to find system supports ?

From the command-line ===================== $ getconf HW_CPU_SUPP_BITS …

Disk is bootable or not :How t o check ?

To display the different bootstrings for a disk: # lifls <rawdevice&g…

Differences between trusted and non-trusted systems?

1. A trusted system allows system auditing to be turned on.  Non-trusted syst…

Why are mail files in /var/mail owned by 'daemon' instead of the recipient?

The mail delivery agent /bin/rmail needs to be able to chown(2) these files. …

Patch installation Commands in HP UX

swverify -d \* @ /tmp/patchdepot :To verify the patch bundle swlist -l p…

Patch status & Patch state in HP UX

Patch Status Initial values for patch status include the following: ● Genera…

Download the patches for HP unix server ?

Acquiring the Bundles To obtain the bundles from the web, perform the follow…

Boot from alternate kernel in hp ux?

Press a key, while PDC  is waiting for the 10 seconds manual overide. Autosea…

Dynamic Root Disk (DRD):

Dynamic Root Disk (DRD): Dynamic Root Disk (DRD) is an HP-UX system admin…