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Sudo And It's Intended Purpose

Posted 03-29-2009 at 04:47 AM by JulianTosh
Updated 03-29-2009 at 04:48 AM by JulianTosh

Sudo And It's Intended Purpose

I've seen many threads on LQ regarding the use of 'sudo' and each time I'm shocked at how often this utility is misunderstood.

Here I will will try and convey my interpretation of its intended proper use and describe alternate methods of accomplishing the same tasks more securely or in a best use context.

'sudo' is a utility that grants authority to run very specific commands as root from a non-root account, or specifically,...
Posted in HOWTO, RANTS
Views 4961 Comments 0 JulianTosh is offline

Thoughts about the command line

Posted 03-29-2009 at 03:36 AM by bitpicker (Bitpicker's Blog: Random musings and rants)

The following started out as a comment to this blog entry by Carla Schroder on But it quickly became too long so I decided to simply post it here.

Any interface is a metaphor for what you're really doing: shifting zeroes and ones around. Absolutely everything you ever do on the computer is just a metaphor, whether it's using a GUI, the CLI or even programming.

And like language metaphors, different metaphors are useful in different contexts and apply...
Posted in Uncategorized
Views 2164 Comments 0 bitpicker is offline

GRUB error 12, 15 at WinXP booting

Posted 03-28-2009 at 09:39 AM by Rad_69

hi papseddy,

thanks for advise but real life is more funny. at parallel I have tried setup pptp_vpn and after that action my pc went to continual reboot... PC booted GUI and switch to cli and back. Then I tried to recovery XP at first partition but I did not do it. Then I tried to recivery XP on both portitions and received error 17 at grub mode...

any thoughts?
LQ Newbie
Posted in Uncategorized
Views 980 Comments 0 Rad_69 is offline

Gotta say somethin'

Posted 03-27-2009 at 10:17 PM by emptyspaceenterprises

I have a pc clone with an lfs version6.3 os that was builded from a live CD. It got on the internet
today with Lynx (27mar09). Surprise! Surprise! Thanks to all involved from various time periods and
various places on the internet. Large and small this and thats from HoWTO's and tutorials and forums
and e-books. lfs is very cool.

A few years ago my computer quit booting from it's non-linux system and has been in disuse. Almost
gave it away once. Glad...
LQ Newbie
Posted in Uncategorized
Views 660 Comments 0 emptyspaceenterprises is offline

PostgreSQL - installation/configuration/benchmarking - on Dell servers Part II

Posted 03-27-2009 at 09:02 PM by rocket357 (Musings on technology, philosophy, and life in the corporate world)
Updated 10-27-2009 at 07:44 PM by rocket357

(Continued from this blog post)

Now test the setup:

linux ~ # hdparm -tT /dev/sdc

 Timing cached reads:   11464 MB in  2.00 seconds = 5739.66 MB/sec
 Timing buffered disk reads:  1816 MB in  3.00 seconds = 604.39 MB/sec
Looks good. Now let's format the partition:

I like xfs. I use xfs. You might run "man mkfs.<your_favorite_filesystem>" to read up on how to convert...
Views 3948 Comments 0 rocket357 is offline


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