Category Archives: Ubuntu

Ubuntu linux

How to Install Ubuntu Server 12.04 LTS Precise Pangolin

 ubuntu-12-04

Ubuntu Server 12.04 LTS Precise Pangolin has been released announced by canonical in London April 26th 2012 and now support for five years. in addition, Ubuntu Server 12.04 LTS Precise Pangolin now includes support for the Xen Hypervisor (version 4.1.2), Xen Cloud Platform (XCP) packages and XCP OpenStack plug-ins.

The inclusion of the Xen Cloud Platform packages into Ubuntu Server 12.04 LTS makes Xen more easily accessible to Ubuntu users and adds a wealth of enterprise virtualization functionality

Ubuntu Server 12.04 LTS also supported on the most popular hardware, As said by Jane Silber, CEO of Canonical :

Ubuntu Server 12.04 LTS brings together leading cloud, deployment and service orchestration technologies into a stable platform that will be supported on the most popular hardware in the long term – Canonical

Let see tutorial how to install Ubuntu Server 12.04 LTS

Installation Guide: Ubuntu Server 12.04 LTS Precise Pangolin

The basic steps to install Ubuntu Server 12.04 LTS from CD or USB stick are the same for installing any operating system from CD. Unlike the Ubuntu 12.04 for Desktop, Ubuntu Server 12.04 LTS does not include a graphical installation program. but, Instead Ubuntu Server 12.04 LTS  uses a console menu based process or called text-mode installer based:

  • First, Download Ubuntu Server 12.04 LTS ISO image

Download Ubuntu Server 12.04 LTS

  • Then, burn ISO Image Ubuntu Server 12.04 to CD.
  • Boot the system from the CD-ROM drive

Here’s a step-by-step screenshot guide to installing Ubuntu Server 12.04 LTS precise Pangolin:

Installation ubuntu server 12.04 01
Installation ubuntu server 12.04 02
Installation ubuntu server 12.04 03
Installation ubuntu server 12.04 04
Installation ubuntu server 12.04 05
Installation ubuntu server 12.04 06
Installation ubuntu server 12.04 07
Installation ubuntu server 12.04 08
Installation ubuntu server 12.04 09
Installation ubuntu server 12.04 10
Installation ubuntu server 12.04 011
Installation ubuntu server 12.04 012
Installation ubuntu server 12.04 013
Installation ubuntu server 12.04 014
Installation ubuntu server 12.04 015
Installation ubuntu server 12.04 016
Installation ubuntu server 12.04 017
Installation ubuntu server 12.04 018
Installation ubuntu server 12.04 019
Installation ubuntu server 12.04 020
Installation ubuntu server 12.04 021
Installation ubuntu server 12.04 022
Installation ubuntu server 12.04 023
Installation ubuntu server 12.04 024
Installation ubuntu server 12.04 025
Installation ubuntu server 12.04 026
Installation ubuntu server 12.04 027
Installation ubuntu server 12.04 028
Installation ubuntu server 12.04 029
Installation ubuntu server 12.04 030
Install ubuntu server 12.04 031
Install ubuntu server 12.04 032
Installation ubuntu server 12.04 033
Installation ubuntu server 12.04 034

Review: Ubuntu “Lucid Lynx” 10.04 LTS

Review: Ubuntu “Lucid Lynx” 10.04 LTS

lynx

The recently released 10.04 version of Ubuntu is the third Long Term Support (LTS) version Canonical has released. I installed this new version on four of my laptops (2 netbooks, 1 normal laptop, 1 portable desktop replacement), and here’s my impression of it.

The installation is much simpler and more to the point that ever before. I really liked the look and feel of it. In all cases, either installing from scratch (in 2 of my laptops), or upgrading (in the rest 2 of my laptops), everything worked perfectly. I remember back in the day when upgrades occasionally would break X11 etc, but not this time. The only setting that was not preserved was under my husband’s account: the “two finger scrolling” setting on the Synaptic mouse panel was reverted to “edge scrolling” after upgrading. No biggie.

Loading Ubuntu is now super-fast. It loads at around 10 seconds on my hard drive-based laptops, and in about 15 seconds on my SSD-based ones. The new login screen is beautiful and functional. Only thing I’d like added in that screen would be a battery life indicator. Originally, I had a stability issue with a complete lockup, but after the first update packages hit the mirrors, the problem disappeared (I’m guessing that I was hitting the well-publicized Intel gfx driver issue). Since these updates, everything has been rock solid, and with a good performance. Compared to older releases, this version requires more RAM. Two of my laptops have 512 MB of RAM (I will upgrade one of these to 1 GB, but not the other, because that netbook is too messy to open up), and while the system would start up using only about 130 MB of that RAM, by the moment I would use the package manager, it’d use up all that RAM, plus an additional 150 MB of swap. I also noticed that after having the machine used for a few days without a reboot, the RAM usage will go up little by little, as evident in my screenshot below. However, if you’re not using Open Office, or installing lots of packages, or having too many Firefox tabs open, 512 MB of RAM should be enough. I calculated that I’d need about 768 MB of RAM as a minimum for a more “involved” usage pattern. Since I’m preparing the 512 MB netbook for my mom, who she can’t use a computer yet (I’m hoping to teach her when I visit her soon), I think 512 MB will be enough for her.


Ubuntu 10.04 on HP netbook, upgraded
In terms of new features, there is a new dark theme, and new notification applets into play, which I thought they looked and functioned well. Canonical has done a lot of work reworking the look and functionality of their main applets, and this has paid of. Only gripe I have is that one of these indicator applets doesn’t let you remove the “mail” icon, so it takes up space on my netbook’s limited screen space for nothing — since I don’t use Evolution (I only use Gmail, online). And there’s no way to setup the mail notification just to get Gmail notifications (without the involvement of Evolution). Other new features include the new Ubuntu music store, and Ubuntu One — features that I personally don’t have any use for. However, I was happy to see an updated Empathy client, and a new social application with support for Twitter and Facebook. I hope they add Buzz support soon too! Maybe some Google Voice integration via a new Ubuntu-sponsored VoIP server would be nice too!


Ubuntu 10.04 on Acer Aspire One netbook, fresh install
The only thing that really didn’t sit well with me was the removal of the “Menus & Toolbars” dialog. Ubuntu now has a default setting of “selective text besides icons”. You can’t change that, not even via gconf-editor (update: apparently it’s there, under the guise of “toolbar-style”). This is not a great idea for small screens, like my two netbooks, one of which has only a 1024×576 resolution (and please don’t direct me to “Ubuntu Netbook Remix” distro — not interested). I understand the need for defaults and ease of use, but this is one UI feature that is still needed. Another new feature on Ubuntu is now the inclusion of the video editor PiTiVi. PiTiVi is my favorite Linux video editor in terms of usage simplicity. Unfortunately, just before the release of Ubuntu, they switched to a new way of rendering, that made the editor’s previewing 100 to 150 times slower (currently it’s software rendering only, hardware acceleration is planned for later in the year). Whereas in all the previous versions I was able to edit MPEG4-SP from 720p Kodak digicams *faster than real-time*, now I was left with about 1 frame per 2-3 seconds. This has made PiTiVi utterly useless to me [and my mom]. Its developers told me that they made these architectural changes in order to add features that required it, like transitions, fades, and what not. Speaking as a filmmaker, I prefer a cuts-only featureless video editor that is able to preview these cuts in real time, rather than adding a few more features that makes the editor so dog-slow that it doesn’t give me an overview of what I’m editing (making editing “blind”). There’s a saying among us filmmakers: “if you can’t do it with plain cuts, then you’re doing it wrong”. On the bright side of things, suspend-to-RAM works perfectly across the board. Linux and Ubuntu have come a long way supporting all these different BIOS and offering a great experience with laptop sleep. In fact, my portable desktop replacement laptop was always problematic in terms of sleep, and required kernel patches. Not with this version, where everything worked out of the box! The only thing that I had to manually add support for was for one of my Acer netbook. I had to download and put on my rc.local the “acerfand” service. Without it, the fan would never stop spinning, and that had a massive battery life impact (battery life down to 1:30 hours from the normal 2:30 hours). But again, in retrospect, that specific netbook used to require a lot of extra work after installing Ubuntu: from microphone drivers, wifi drivers, special secondary SDHC slot support, fan, etc etc. This time instead, all I had to do was to take care of the fan. Everything else worked out of the box. As a conclusion, it is my opinion, that Ubuntu is by far the most usable Linux distribution, and for many people it’s perfect as a replacement to Windows and Mac OS X. Back in the day there were a lot of “but” when someone was suggesting Ubuntu as a complete replacement, but I think that the distro has come a long way, and delivers the goods.

Rating: 9/10

Ubuntu 8.04: Hardy Heron Review

8.04 Desktop

It’s official: Ubuntu 8.04 has gone gold. This is one of the most highly anticipated releases of Ubuntu to date, but does it hold up to the hype? We take a look at what’s new, what’s stable, what’s good and what’s not in our latest review.

Ubuntu 8.04 is a LTS release. This means that this release will receive security updates and support for three years for desktop users and five years for server users. Being an LTS, the major focus is clearly stability and building up the strength of existing features.   That doesn’t mean however that it is without its share of new features….

Features

To start, 8.04 ships with GNOME 2.22. This, to the user, may not look entirely new, but the bulk of new features are hidden below the surface. GVFS replaces the old GNOME-VFS system with an entirely new backend, allowing for applications to use any resource, such as SSH or a Samba share, in a uniform manner.GVFS provides a FUSE hook that allows applications that don’t even supportGVFS to use the services provided by it. WhileGNOME-VFS took criticism for being somewhat slow and tedious,GVFS stands to fix that image.GVFS

GNOME 2.22 also introduces other features, such as the Cheese webcam viewer, Metacity compositing, Google Calendar support in Evolution, and a new remote desktop viewer. Personally, I think that the inclusion of Cheese, while nice to GNOME, could have been replaced on the default Ubuntu setup with something else, as a webcam viewer seems a little extraneous.

BraseroA new addition to the default Ubuntu setup is the Brasero disc burning utility, which allows users to make a CD or DVD with very little effort.

Also new is Transmission, a newly popular BitTorrent client. This replaces the old standard BitTorrent utility, allowing for better torrent management with an interface similar to µTorrent.

Transmission

Introduced in 7.10, PulseAudio provides a sound system for applications to hook into. It allows the volume of individual applications to be controlled, mixed into other sound devices, and with a little work, even played out of Bluetooth headphones. 8.04 improves upon this by enabling the sound server for most, if not all, applications. There are a few gripes here and there, such as minor bugs with Flash audio, but 95% of it works very well.

Firefox 3 is included in the package, even in its beta form. It has apparently been proven to be stable enough to be included, though updates to the final release are likely to follow in June.

Security and Stability

As stated above, 8.04 is focused on improving the ground laid out, and not radically changing things. Security enhancements galore ensure this release will indeed have a long life. One major security feature of GNOME 2.22 and 8.04 is the introduction ofPolicyKit.PolicyKit allows fine-grained access control, and helps you allow or deny users access to specific parts of applications. This allows for a system to be locked down completely except to a group of trusted users.PolicyKit Editor

Another addition in the security field is ufw, or “Uncomplicated Firewall.” The firewall is an extension of iptables, and while it does not currently have a GUI, the command-line interface is dead simple:

ufw deny 80
ufw allow from 192.168.1.1 port 80

Other security additions include more strict memory protection and application rules, along with the addition of SELinux support.

Many applications have gone through the usual slew of bug fixes with any release, and the update to X.Org 7.3 is no different. 7.3 provides support for newer compositing mechanisms, though the implementation is somewhat unfinished. The end result may be a slightly slower Compiz and 3D acceleration for some, but lays yet more groundwork for a more stable display system.

Theme

The beta release of 8.04 saw yet another new theme, however the older one was reverted as the default. The theme that almost made the release is still available in Appearance properties, but it didn’t make the final cut for default status. For now, users will be greeted by the tried-and-true Human theme, with 8.10 to have a major theme overhaul.Below is a preview of the proposed default theme for 8.04, still available on the CD:

8.04 Proposed Theme

Overall

Ubuntu 8.04 is a great release that definitely lives up to the attention it received. It adds several new features and applications, while improving on a solid security base. It’s not without problems: the speed of some 3D applications may be an issue for some folks, and the use of beta software could be a potential problem, but the good features far outnumber the problems.Hardy Heron, a big release for both the home user and enterprise, is yet another milestone in the Linux cycle. Of course, more Ubuntu releases will come every six months, and we’ll be following the developments of the next version: the Intrepid Ibex. For its time though, 8.04 is a winner.