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Archive for the ‘Linux’ Category

Random Tech: Speeding up Ubuntu 10.04 boot time

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Typically Ubuntu boots in around 15-45 seconds out of the box, but overtime this can change as you add more applications and the init scripts get bloated.  So here are a few quick tips to help you speed up Ubuntu’s boot time (I am using Ubuntu 10.04).

Start up

Ubuntu Start-up Applications

Remove unwanted items to speed up boot time

The easiest tweeks to make can be found in the “System > Preferences > Start-up Applications” menu.  On a desktop machine you are unlikely to need a few of the services, and on a server you are likely to need even fewer.

The applications which I have disabled are:

  • Blue-tooth Manager: If you don’t use blue-tooth then this service is a waste of resources!
  • Evolution Alarm Notifier: Personally I do not use evolution as a mail client, so there is no need for the notifier. Even if you do use evolution, you may not need the reminders!
  • GNOME Login Sound: As nice as that sound is, the monkey in the jungle gets annoying very quickly!
  • Visual Assistance: I don’t need the “accessibility” features.

You may find others that you don’t need, such as “Ubuntu One” which you might not make use of.

A good kick up the BUM

BUM or Boot Up Manager is a useful program that takes controlling start-up programs and services one step further.  You can use it to completly stop the CUPS (Printing) services and any other laptop only items if you are running a desktop or server.  It can be installed with the following apt-get command:

sudo apt-get install bum

I will leave you to decided which items to disable, as everyone’s Ubuntu installs can be different.

If you have any other speed-up tips please comment!!

Random Tech: Synergy for Ubuntu and Windows 7

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How many of us have got more than one computer on our desks? The answer is almost certainly a lot of us!  I have just set up my office in my new apartment (I moved on Monday!), and I decided that I didnt need to have to two keyboards and mice.

I have used synergy before, and have decided to use it again.  For those that have not seen synergy before, it is akin to a KVM (keyboard, video, mouse sharing hardware) but is purely software.  I can share a keyboard and mouse with any other machines on my network, they don’t even need to be in the same room (although what use that would be I don’t know!).  The best bit is that synergy is free, and runs on Linux, Windows and Mac, and takes moments to set up.

I have a Windows 7 laptop and an Ubuntu 10.04 desktop, synergy runs as a server on the laptop allowing the desktop to connect to it.  Installing Synergy on the desktop is easy, just download the installer from the Synergy website, as for Ubuntu just type:

sudo apt-get install synergy quicksynergy

Once installed you set up the server (in my case on the Windows machine) with a few simple clicks:

Synergy Screenshots

Synergy Screenshots

All you have to do is add the “screens” aka machines to the top list (Badwolf is my laptop, Paladon is my desktop : guess the naming convention!), then tell Synergy where the screens are in the links pane. You can get posh and set up the vertical positioning of the screens, e.g. 50% of the left of one is to the right of another, but I don’t see the need unless you have several machines.  This screen is accessed via the “Configure” button on the right hand screen shot.  Once set up click “Start”.

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