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The sudo command gives users access to otherwise inaccessible commands. The /etc/sudoers file makes use of 3 sets of groups to allow or deny access to commands on the nodes of a network.

UbuntuOne -- Selling a sevice? Or themselves?

I recently applied for the UbuntuOne beta program. It seems interesting enough, and sounds like a good idea. But the thing is, why is Canonical trying to hide a storage server and make it seem like it's so much more? What is UbuntuOne you say. Well here's a cap:


Sync your files, share your work with others or work remotely, all with your Ubuntu computer.Sync your files, share your work with others or work remotely, all with your Ubuntu computer. 


Well, that's not very descriptive now is it. If you go to the plans page, it will give you the option of choosing a 2GB (free) or 10GB (pay) for storage. I'm not saying that this is a bad thing. I'm just trying to say that disguising a FTP storage site as a brand new idea isn't very sportsmanshiplike.

So, am I going to buy an account? Probably. But I still don't like the cover up. Oh ya, and one more thing--Linux Mint had this first, with a storage site and their own FTP for access to it. Just some thoughts for chew.


Kubuntu Karmic Alpha 1 Released

Just a quick note letting you all know that Kubuntu Karmic Alpha 1 has been released. If you are looking to contribute to an open source project, there is no better time than now. The Kubuntu team is looking for a few good contributors. We can always use supporters, documentation writers, packagers, developers, translators and more! If you are interested in contributing, I urge you to join #kubuntu-devel on

Note: This is an alpha release, so it is not for the faint of heart, it is for those of you who are a bit crazy and like living dangerously. It is not for production use at all, and if you do use it for production use and get fired, it is not our fault!


Copy files recursive with folder hierarchy (rsync method)

rsync --include-from=/tmp/include.txt --exclude-from=/tmp/exclude.txt -aRvm ./src /tmp/dest




-a, --archive               archive mode; equals -rlptgoD (no -H,-A,-X)

-R, --relative              use relative path names

-m, --prune-empty-dirs      prune empty directory chains from file-list

-v, --verbose               increase verbosity




My name is jiakon.I am a graduate student of Xiamen University.My major is mathematics and I use ubuntu.In addition,I pay much attention on education and organization.


Stack Growth Direction.

#include <stdio.h>

void foo(int *);
int main(int argc, char *argv[])
int i;
void foo(int *ii)
int j;
if ( &j <>
printf("I think the stack grows down.\n");
else if ( &j > ii )
printf("I think the stack grows up.\n");
printf("I'm really confused now.\n");

Good Luck

Good luck!linux.

First post!

First post!

 Which isn't that spectacular considering only I can post here. Joined the new yesterday and I'm certainly looking forward to see how this effort evolves.

Not much of a blogger really, but will occasionally try to share my experiences using linux while pretending to actually know what I'm talking about, as well as sharing some personal thoughts while pretending that somebody else actually knows what I'm talking about.


NOOB's adventures in Linux From Scratch

 All I've got to say is if you're from the Windows world, there's no curveballs here. I breezed thru the X windows explanations all except the configuration files area without a hitch.

  Next up .... Getting things done in Linux    



Well this is neat.


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