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How to prevent a package from being updated in Ubuntu
If you want to update all the packages other than one package in your Ubuntu system follow this procedure
There are three ways of holding back packages, with dpkg, aptitude or with dselect.
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© admin for Ubuntu Geek, 2008. |
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Ubuntu: Ubuntu Geek - Ubuntu Tutorials,Howto's,Tips and Tricks
A much easier way to install Ubuntu on a USB device (Stick or HD)!
I was reading How to install Ubuntu Linux from USB Stick posted on this site a while ago, and found it to be quite some work to get Ubuntu working on a USB stick. Besides, having to prepare your USB device, creating a separate partition on it which will be more or less “useless” after the installation, giving up 750MB of space?
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© arnoud.roth for Ubuntu Geek, 2008. |
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Create a SSH Tunnel for Firefox to surf securely
A ssh tunnel for Firefox to a remote computer is good security measure. Especially when connecting via an untrusted network like a wifi hotspot or other public networks. The tunnel encrypts and sends the data to your remote machine then it is sent over the web to your destination. This tutorial assumes you have an account on a remote machine you can ssh into. This is a pretty easy set up.
Now all you need to do is login your remote computer that you have access to with SSH then issue this 1 command
ssh -D 9999 -C me@ipaddress.com
The -D switch - Specifies a local “dynamic” application-level port forwarding. We are also adding the -C switch for compression.
Next we need to put the settings into Firefox.
Firefox> Edit> Preferences> Advanced tab> Network tab> Settings button.
Select Manual proxy configuration
SOCKS Host: localhost Port: 9999
SOCKS v5
No Proxy for: localhost, 127.0.0.1
Note: Sometimes localhost can cause a problem. If your settings are right and it still is not working replace localhost with 127.0.0.1.
Source from here
Install Ubuntu 8.04 ( Hardy Heron) without a CD-ROM
1) Ubuntu Hardy Heron (8.04) ALTERNATE .iso (see below)
2) At least 2 partitions on your HD
3) vmlinuz & initrd.gz files from Hardy - NOT the ones included on the .iso (see below)
Steps:
1) Download the ALTERNATE .iso from the Ubuntu download site:
http://www.ubuntu.com/getubuntu/download
REMEMBER: mark the "Check here if you need the alternate desktop CD." option, on the botton.
2) Download both vmlinuz & initrd.gz files, Hardy's version, from this site:
http://archive.ubuntu.com/ubuntu/dists/hardy/main/installer-i386/current/images/hd-media/
3) Create an /boot folder on your secondary HD partition, and move the alternate .iso and the vmlinuz & initrd.gz from step (2) onto it.
4) If you don't have Grub already installed, install it on a removable media or Hard Disk. Then, edit your /boot/grub/menu.lst and add the following entry:
title Install Ubuntu Hardy
root (hd0,2)
kernel /boot/vmlinuz vga=normal ramdisk_size=149720 root=/dev/rd/0 rw --
initrd /boot/initrd.gz
**(hd0,2) refers to the 1st hard drive 'hd0' and the 3rd partition '2'.
The counting of partitions and hard drives starts at zero. Linux loves making life complicated
Change (hd0,2) to match the drive and partition of your .iso file.
e.g (hd1,3) Refers to drive 2 and partition 4.
5) OK! You are ready to go! Now reboot your system (with the removeable media if you installed Grub on it) and choose the "Install Ubuntu Hardy" entry.
6) Now follow the installation as usual, which should be working as if the disk was in the CD-ROM tray.
Install Ubuntu 8.04 ( Hardy Heron) without a CD-ROM
1) Ubuntu Hardy Heron (8.04) ALTERNATE .iso (see below)
2) At least 2 partitions on your HD
3) vmlinuz & initrd.gz files from Hardy - NOT the ones included on the .iso (see below)
Steps:
1) Download the ALTERNATE .iso from the Ubuntu download site:
http://www.ubuntu.com/getubuntu/download
REMEMBER: mark the "Check here if you need the alternate desktop CD." option, on the botton.
2) Download both vmlinuz & initrd.gz files, Hardy's version, from this site:
http://archive.ubuntu.com/ubuntu/dists/hardy/main/installer-i386/current/images/hd-media/
3) Create an /boot folder on your secondary HD partition, and move the alternate .iso and the vmlinuz & initrd.gz from step (2) onto it.
4) If you don't have Grub already installed, install it on a removable media or Hard Disk. Then, edit your /boot/grub/menu.lst and add the following entry:
title Install Ubuntu Hardy
root (hd0,2)
kernel /boot/vmlinuz vga=normal ramdisk_size=149720 root=/dev/rd/0 rw --
initrd /boot/initrd.gz
**(hd0,2) refers to the 1st hard drive 'hd0' and the 3rd partition '2'.
The counting of partitions and hard drives starts at zero. Linux loves making life complicated
Change (hd0,2) to match the drive and partition of your .iso file.
e.g (hd1,3) Refers to drive 2 and partition 4.
5) OK! You are ready to go! Now reboot your system (with the removeable media if you installed Grub on it) and choose the "Install Ubuntu Hardy" entry.
6) Now follow the installation as usual, which should be working as if the disk was in the CD-ROM tray.
Ubuntu 8.04 USB Hard Drive install
Create a SSH Tunnel for Firefox to surf securely
A ssh tunnel for Firefox to a remote computer is good security measure. Especially when connecting via an untrusted network like a wifi hotspot or other public networks. The tunnel encrypts and sends the data to your remote machine then it is sent over the web to your destination. This tutorial assumes you have an account on a remote machine you can ssh into. This is a pretty easy set up.
Now all you need to do is login your remote computer that you have access to with SSH then issue this 1 command
ssh -D 9999 -C me@ipaddress.com
The -D switch - Specifies a local “dynamic” application-level port forwarding. We are also adding the -C switch for compression.
Next we need to put the settings into Firefox.
Firefox> Edit> Preferences> Advanced tab> Network tab> Settings button.
Select Manual proxy configuration
SOCKS Host: localhost Port: 9999
SOCKS v5
No Proxy for: localhost, 127.0.0.1
Note: Sometimes localhost can cause a problem. If your settings are right and it still is not working replace localhost with 127.0.0.1.
Source from here
Installing Ubuntu to a USB hard drive
A complete Ubuntu install to a USB hard drive is a relatively simple process. As a matter of fact, it is almost as simple as a regular Ubuntu internal hard drive or compact flash card installation. Due to popular e-mail demand from our subscribers, we have decided to write a simple tutorial on the Ubuntu USB hard drive installation procedure. So go grab an available external USB hard drive and a nice cold beverage and lets get started.
Tags: external usb hard drive, hard drive installation, installing ubuntu, pen drive, usb flash drive, usb hard drive