Prepare survey test report of server

Generate device report

How to prepare the survey report in Linux server? How to prepare the Test report in linux server? How to generate device report in linux server? Below are the steps followed to create the Survey report and Test report of a server. This steps will help you to generate the test report for  ..

Single command to create multiple test files

Example create x number of test files

At time for testing purpose or when we do a study test we might require to create some thousands of files, abut actually we might not have such a testing environment. In linux machine you can achieve this by executing the below simple commands. For this kind of testing or  ..

Ls command to find file size

List files comsuming more space

Normally we list the files by using ls command, but most of the time we use du command to find the file size of a file. The ls command can also be used to find the file size. The below is a simple example to list the file size of  ..

Error RPC cannot make a procedure call create failed

Program not registered storage backup

While running the backup on offline storage you might get the error like this sometimes, In order to resolve the error you can follow the below steps. Follow the below steps to resolve the error RPC warning: RPC cannot make a procedure call: Create failed: Program not registered 1) Verify that the  ..

How to check fiber channel wwn of server

Find the WWN's of LINUX server

What is the command to find the WWN in linux? How to find fibre channel is present in Linux machine or not? How to find and external storage device is added to linux server? In storage normally a user need to find the WWN or world wide number of a fibre channel, before  ..

Recovery from kernal panic boot rescue

Simple steps to recover from kernal panic

How to recover linux machine from kernel panic error? Kernel panic boot rescue:when there is a kernel panic on server, we might need to have a serious look on it, That too if its a production box then you must consider it very seriously. Normally the below steps are used at  ..

Error no process left sysinit inittab missing

Rc.sysinit or inittab file missing

What to do when I receive /etc/inittab file missing error? what to do when I get /etc/rc.d/sysinit.d file missing? When you receive the error, follow the below steps to recover or reinstall the inittab script or initscripts 1) Boot Linux from CD 2) You will get boot promt on screen. 3) Type linux rescue   ..

Error kernel file not found

Reinstalling kernal file not found error

How to reinstall the kernel? To test this really if you are interested, make sure you have backup of your system and be ready to install the machine.remove the /vmlinux.... and /initrd image from the machine. and you will get this error. 1) Boot Linux from CD 2) You will get boot promt  ..

Recover from corrupted boot image

Recover kernal panic caused of boot image

While booting system, you saw some error and stop the boot process by displaying some error messages. Kernel Panic - not syncing: Attempted to kill init! And no further boot process. What you will do to boot the system Before following these steps try to make a backup of your grub.conf file 1) Boot  ..

How to rebuild image mkinitrd

Rebuild sysimage in linux

how to rebuild sysimage in linux? As a linux admin you must know, how to rebuild the system image. To rebuild the system image you can follow the below steps. 1) Boot Linux from CD 2) You will get boot promt on screen. 3) Type linux rescue boot: linux rescue 4) Rescue mode  ..

How to check oracle db is there or not

Find the running oracle Database

How to check what are all oracle database present in the website or not? When you are not sure that the oracle Database is present in the server or not then you can check it the below commands. There are also other methods to check the server, the better way to  ..

Error unable to resolve label filesystem recovery

Recovery file system problem

How to recover from error label not found? How to recover from error unable to resolve label? Error Message fsck.ext3: Unable to resolve 'LABEL=/usrs' [FAILED] *** An error occurred during the file system check. *** Dropping you to a shell; the system will reboot *** when you leave the  ..

Create a user with user id uid

Add a user user by specifying UID

The useradd command is used to add a user Create a user with unique user id # useradd -m -d /home/jaiho -u 625 -c "jaiho" -s /bin/bash jaiho where, -u : specify the user-id, The user id must be unique and numerical value. -m : Create the users home directory if it  ..

Secure copy scp example

Scp multiple files in one time

What is scp? SCP stands for Secure copy, scp is a linux command which is used to copy files over ssh from one server to the other. scp allows files to be copied to, from, or between different hosts. It uses ssh for data transfer and provides the same authentication and  ..

How to set password for openoffice docs calc

Openoffice docs spread sheet password

Set password for openoffice Doc & sheets: Go to Tools Select Protect Document -> either Sheet or Document Type your Password -> ok   ..