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How to use screen utility to maintain your ssh session without worrying about disconnection

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ubuntuProblem: How to use screen utility to maintain your ssh session without worrying about failures or network disconnection?

 

Solutions:

login via SSH

shaukat@shaukat-desktop:~/cloud-v0.8.5$ screen (press enter)

#it will create a screen session

# start your process work or script. and if want to disconnect without killing ssh session

press CTRL+A and then CTRL+D

# you will be detached from your screen session.

# so now you can easily logout or disconnect without killing your working processes.

Last Updated on Thursday, 26 December 2013 17:18 Read more...
 

Howto update the Root Hints file for BIND Named server in Ubuntu or Debian?

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Ubuntu Linux:

You can retrieve root zone file from ftp://ftp.rs.internic.net.

wget --user=ftp --password=ftp ftp://ftp.rs.internic.net/domain/db.cache -O /etc/bind/db.root

Reload rndc to update information, enter:
rndc reload

Another option is run dig command to fetch information:

Last Updated on Thursday, 13 June 2013 09:46 Read more...
 

How to restore the Ubuntu grub bootloader (9.10 and beyond)?

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How to restore the Ubuntu grub bootloader (9.10 and beyond)?


First you need to find out what your drives are called. You can do this by going to a terminal and typing:
Code:
sudo fdisk -l
From that you need to find the device name of your Ubuntu drive, something like “/dev/sda5″.
So, still in the terminal, type:
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How to restore the Ubuntu grub bootloader (9.04 and older)?

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How to restore the Ubuntu grub bootloader (9.04 and older)?


First of all, all credit for this part of the tutorial goes to catlet. I am simply rewriting his tutorial to have all three bootloaders in this tutorial.

So, lets begin. To restore the grub, you must boot off the ubuntu live cd. Any ubuntu live cd will do.

Once there, open a terminal (Applications>Accessories>Terminal) and type this:
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