REMOTE HOST IDENTIFICATION HAS CHANGED!

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@    WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED!     @
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do worry it can be fixed very simple just try out this command

#ssh-keygen -R (the remote ipaddress)
here it will now able to login to the remote using ssh

How to create bootonly file for redhat 5,6

How to create bootonly file for redhat 5,6

here we will create a iso image file which has the only content from where to take the operating system through the network

How to create a boot only file in redhat, here shown below for rhel5, rhel6

first of all copy the isolinux folder from rhel6 dvd

keep the rhel6 dvd into the cd tray

then after

#cd /media/rhel6

#ls

here you can see all the dvd content, here you copy the isolinux folder at some of the location

#cp -rf /media/rhel6/isolinux /home/xyz/Desktop/

here it will copy the isolinux folder on to the desktop

#cd /home/xyz/Desktop

#chmod u+x isolinux/*

here it will give the execution permission for the isolinux folder

#mkisofs -o file.iso -b isolinux.bin -c boot.cat -no-emul-boot \-boot-load-size 4 -boot-info-table -R -J -v -T isolinux/

after this a file with name file.iso is created on the desktop

here the iso which is created is used like as a boot file, it will have the information of booting until from where to take the os

same procedure for the Rhel5

and copy this image into a cd to make as a bootonly cd

Network installation of redhat using nfs, ftp, http

Network installation of redhat using nfs, ftp, http

To create a network installation of redhat, you have to setup the ftp, nfs , http servers if want to setup click here

to setup network installation we should have to get the boot only image for this if you like to setup bootonly iso image clickhere

keep the boot only cd in the tray and make it boot

then it will be seen like this.

then give as follows 

to get the dump from the ftp server which has files in /var/ftp/pub










for http server give as below

for the nfs server give the url as 192.168.1.15

and path as /var/ftp/pub

after this you will be able to install the linux in the system by using ftp nfs and http.

How to create a repo file and also make it as ftp,nfs,http server

How to create a repo file and also make it as ftp,nfs,http server

how to create a repository file then click here

after creating a repo file

then download the packages of vsftpd,nfs,httpd

#yum install vsftpd

#yum install nfs

#yum install httpd

after this go to

#vim /etc/exports

/var/ftp/pub *(ro,sync)

:wq!

Then asigin a static ip to your system from here

#system-config-network

Then save

#cd /var/www/html

#ln -s ../../var/ftp/pub/

here we will create a link file for pub and html

here after this start all the services

#service nfs restart

#service vsftpd restart

#service httpd restart

then go to the browser and type your ip

like this

ftp://192.168.x.x/

here you can see all the dump of rhel dvd in the browser

then go to browser and type

http://192.168.x.x/

here you can see all the dump of the dvd in the browser

How to create a repository file for the rhel

How to create a repository file for the rhel

To create a repo file first dump all the rhel dvd in the /var/ftp/pub

put the rhel operating system dvd into the cd tray and then go to the path

#cd /media/rhel6/

then dump all the dvd content to the /var/ftp/pub

if this path not present then create it

#cd /var

#mkdir -p ftp/pub

here the file will be created

then dump here

#cp -rf /media/rhel6/* /var/ftp/pub

here all the dvd connect will be copied to th path /var/ftp/pub

here create a repo file

#vim /etc/yum.repos.d/server.repo

[server]

baseurl=file:///var/ftp/pub/

enabled=1

gpgcheck=0

:wq!

Here the repo file will be create, to check wheather its working or not then do like this

#yum list all

here it will show all the packages

then the repo file created succesfully

how to download torrentz videos in redhat

How to download the videos and files through torrentz in rhel

To download the videos from torrentz you can simply download the package named

#yum install transmission

here it will download the packages from the dump of the rhel6 dvd of your .repo file

after installaing go to application>internet>transmission bittorrent client

after this downlaod the torrentz files from the internet and just double click it it will be added to tranmission bit torrentz client directly .

how to install and use github in ubuntu for deploying

How to install github and deploy it in through local

First create a free account in github by clicking https://github.com/signup/free and then create your account here

note: free account is viewable by public and paid services are private

Install your github in your local pc

$sudo apt-get install git-core

here create your username and email here to get the passwd cache in your mails

$git config –global user.name “your name here”

$git config –global user.email “your email id”

$git config –global credential.helper cache

$git config –global credential.helper 'cache –timeout=3600'

Then login to github.com with your id

Then create a repository name as some exleazand some discription then create the repo

Then create a key in your local system

#cd .ssh

#ssh-keygen -t rsa

then key will be generated then copy the key in id_rsa.pub and copy it in github >> account setting>>SSH keys here add ssh key enter then paste the key with the name

then go to local system where you developed the apps

after going into that project developed path type this command

#git init

here it will generate a hidden folder .git

#git add .

This command will gather all the file together

#git commit -m “message”

then go to git hub account and your repo it will show a link with http and ssh then copy the ssh link like as this Ex: git@github.com:224466/exleaz.git

type this command

#git remote add exleaz git@github.com:224466/exleaz.git

here exleaz is a name which you are giving to the file

#git push -u exleaz master

here it will dump all your local apps in to the git hub

if you edit the file in github and want to update that to your local then

#git pull exleaz

it will get all the update copy to the local

note: when you type this commands you should go to the path where your local apps where uploaded

if you would like to dump all the apps into local

#git clone exleaz