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Thread: HowTo: Speed up ubuntu boot process - the way you can feel it.

  1. #421
    Join Date
    Nov 2009
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    Bullet Hell
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    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    Just did this on Debian, not much of a change... but I'd like to point something out...

    If you have a K10halt or K10reboot entry in rc0 or rc6, DO NOT move them to lowercase k. Even though they have no runlevels allocated in sysv-rc-conf, they are crucial to your system.

    In fact, if you remove them,

    sudo reboot now

    Will end with you being pushed into root terminal on tty1.

    sudo halt (shutdown isn't what you think, use halt to turn off computer.)

    will end with you on dark soil, unable to power down normally, forcing you to do a hard power off.

  2. #422
    Join Date
    May 2006
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    Milwaukee,WI
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    Xubuntu 14.04 Trusty Tahr

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    Quote Originally Posted by Psumi View Post
    Just did this on Debian, not much of a change... but I'd like to point something out...

    If you have a K10halt or K10reboot entry in rc0 or rc6, DO NOT move them to lowercase k. Even though they have no runlevels allocated in sysv-rc-conf, they are crucial to your system.

    In fact, if you remove them,

    sudo reboot now

    Will end with you being pushed into root terminal on tty1.

    sudo halt (shutdown isn't what you think, use halt to turn off computer.)

    will end with you on dark soil, unable to power down normally, forcing you to do a hard power off.
    not sure what version you're using but I use Lucid and straight from the man pages of halt:
    halt(8) - Linux man page
    Description
    Halt notes that the system is being brought down in the file /var/log/wtmp, and then either tells the kernel to halt, reboot or poweroff the system.

    If halt or reboot is called when the system is not in runlevel 0 or 6, in other words when it's running normally, shutdown will be invoked instead (with the -h or -r flag). For more info see the shutdown(8) manpage.

    so I always use because I don't run in run levels 0 or 6
    sudo shutdown -n now
    shuts the computer down and halts it just fine, i often issue
    sudo shutdown -r now
    to restart it.
    Check out my Blog about my life and computer software and hardware. http://ubuntuaddicted.blogspot.com/
    My YouTube channel:
    http://www.youtube.com/ubuntuaddicted

  3. #423
    Join Date
    Jul 2007
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    68

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    do these tips still apply to Karmic 9.10 64 bit?

  4. #424
    Join Date
    May 2009
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    12

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    do these tips still apply to Karmic 9.10 64 bit?
    or Lucid ??

  5. #425
    Join Date
    Sep 2009
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    13
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    Posted what I had done a while back for 9.04 (Post #402).

    For Ubuntu 10.04 running on a laptop I have just cleared;

    bluetooth
    brltty
    cups
    dns-clean
    pcmciauli$
    ppdns
    rsync
    saned

    and also followed i3dmaster's instructions regarding K to k in rc0 and 6.

    Please note these were items I do not need at the moment, e.g. no bluetooth or printer.
    This has not broken anything; Everything seems to be working fine. Unlike 9.04 for me there seemed to be a lot that were already cleared, the only two I thought about but never switched off were 'lm-sensors' and 'on-demand'. I had previously removed quite a lot from the Startup Applications in the System>Preferences menu including Ubuntu One etc.

    Anyway the point I was trying to make is:
    Before any changes -
    Time to boot up =32 seconds
    Time to switch off = 6 seconds

    After making the above changes -
    Time to boot up =32 seconds
    Time to switch off = 6 seconds

    Unlike in 9.04 where altering all this made a difference.

    So I am very happy with this switch on and off time for my machine and it has showed me what a wonderful job they have done with 10.04 I am very happy with it and they don't need little me fiddling with it.

  6. #426
    Join Date
    Mar 2009
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    Jipijapa/Manabí/Ecuador
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    10
    Distro
    Ubuntu

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    Is great, your are the best

  7. #427
    Join Date
    Sep 2007
    Location
    bhopal, M.P., INDIA
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    114
    Distro
    Ubuntu 10.04 Lucid Lynx

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    BUM or service config works for lucid too.


    but /etc/inittab is now obsolete instead i suppose we need to manually configure these files

    /etc/init/tty[1-6].conf

    how that i am still trying to find out.

  8. #428
    Join Date
    Nov 2009
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    1

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    This is good, yet to try it though! appreciate the detailing.

    cheers

  9. #429
    Join Date
    Sep 2010
    Location
    Louisville
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    3

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    Quote Originally Posted by anantshri View Post
    BUM or service config works for lucid too.


    but /etc/inittab is now obsolete instead i suppose we need to manually configure these files

    /etc/init/tty[1-6].conf

    how that i am still trying to find out.
    I noticed this as well and haven't looked into it yet. I was considering just renaming three of the .conf files and rebooting. I'll test this later.

    Thanks to all for this guide.

  10. #430
    Join Date
    Jul 2008
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    Woodstock Cape Town RSA
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    983
    Distro
    Ubuntu 11.10 Oneiric Ocelot

    Re: HowTo: Speed up ubuntu boot process - the way you can feel it.

    wish there was a guide for 11.04

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