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NotQuiteSane
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PostPosted: Sun Aug 22, 2010 11:47 pm    Post subject: Reply with quote

Sven Vermeulen wrote:
Part of the book I'm also trying to create a sort-of on-line questionnaire. It's a set of files (HTML/XML/XSLT) and javascript support that allows you to fill in questions on the various chapters of the book.


I skimmed the book, and am taking the quiz. (i'll come back to the book proper once i've actually read it)

Code:
Question 1 of linuxsea/02-freesoftware
Question: What license allows you to do whatever you want with an application?

Which of the following licenses allow you to do whatever you want with an application?
X
Apache License
X
GPL
X
MIT License
V
Public Domain
X
NoCopyright License
X
Any application where no license is added


might want to add the WTFPL:

Quote:
DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
Version 2, December 2004

Copyright (C) 2004 Sam Hocevar <sam@hocevar.net>

Everyone is permitted to copy and distribute verbatim or modified
copies of this license document, and changing it is allowed as long
as the name is changed.

DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION

0. You just DO WHAT THE FUCK YOU WANT TO.


Code:
Question 2 of linuxsea/03-community
Question: What software technology allows for online collaboration for developing documentation?
X
BBS or forum software
V
Wiki software
X
IRC software


Technically, any of those allow for the collaboration, but Wiki software is a common method of editing documentation.

online dictionary wrote:
col·lab·o·rate (k-lb-rt)
intr.v. col·lab·o·rat·ed, col·lab·o·rat·ing, col·lab·o·rates
1. To work together, especially in a joint intellectual effort.
2. To cooperate treasonably, as with an enemy occupation force in one's country.


Code:
Question 9 of linuxsea/04-runninglinux
Question: With what command would you navigate into the /etc/X11 directory?

That's correct!

Sorry, that's incorrect :-(

The correct answer is cd /etc/X11.


Sorry, that's incorrect.

cd is the command. /etc/X11 is the arguemunt to the command.

Code:
Question 11 of linuxsea/04-runninglinux
Question: Which commands can be used to navigate towards your own home directory?
V
cd
X
cd ~home
V
cd ~
X
goto $HOME

That's correct!

Sorry, that's incorrect :-(

The correct answers are cd or cd ~.

Using cd ~home would result in an effort to go to the "home" users' home directory (/home/home).


see above, same argument.

I'll review more later,

NQS
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PostPosted: Mon Aug 23, 2010 1:06 am    Post subject: Reply with quote

In the Cups chapter, the daemon startup script is called "cupsd", not "cups". so "/etc/init.d/cups start" should be "/etc/init.d/cupsd start" and "rc-update add cups default" should be "rc-update add cupsd default"
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d2_racing
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PostPosted: Mon Aug 23, 2010 3:04 pm    Post subject: Reply with quote

About the section 16.4, when you talk about Funtoo, it was true in 2009, but you should ask on the Funtoo dev list, if DR recommend using Stage3 from Funtoo to install Gentoo, because now there some diff if you look at the toolchain.

Funtoo use baselayout 2.1.8 with some custom config, a different version of OpenRC , a tweaked udev and so on.

And Funtoo use GCC 4.4.3 instead of GCC 4.4.4 inside Gentoo.
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PostPosted: Mon Aug 23, 2010 9:13 pm    Post subject: Reply with quote

Thanks all for the great replies. I'll incorporate those as soon as possible.

I've been unsuccessful in getting iw to work on my wireless (it's a broadcom-sta setup, which is probably the culprit). I'm going to watch over postings across the Internet to see if I can come up with the necessary knowledge to add that to the document.
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Sven Vermeulen
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PostPosted: Mon Aug 23, 2010 9:26 pm    Post subject: Reply with quote

NotQuiteSane wrote:

might want to add the WTFPL:
Quote:

...
, and changing it is allowed as long
as the name is changed.



That particular line alone makes the WTFPL less "you can do whatever you want" than the PD.
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Last edited by Sven Vermeulen on Tue Aug 24, 2010 10:34 am; edited 1 time in total
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PostPosted: Mon Aug 23, 2010 10:33 pm    Post subject: Reply with quote

Hi,

on the online version, http://swift.siphos.be/linux_sea/ch02.html, the link at the very bottom,
"Fighting Software Patents", seems broken.

Thanks a lot!
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Sven Vermeulen
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PostPosted: Wed Aug 25, 2010 11:36 pm    Post subject: Reply with quote

Okay, use of the nl80211 supporting "iw" toolset is added and the chapter on software management has been reorganized. I've also put a changelog online.
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d2_racing
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PostPosted: Thu Aug 26, 2010 1:07 am    Post subject: Reply with quote

Nice work :P
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PostPosted: Thu Sep 02, 2010 12:37 pm    Post subject: Reply with quote

I added the start of two additional chapters, Log file management and Taking Backups.
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PostPosted: Thu Sep 02, 2010 1:13 pm    Post subject: Reply with quote

@Sven, you should talk about the Stage4 and the Stage5.

It can be a lifesaver when you have a terrible crash :P You know, some BRTFS glich :P
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Sven Vermeulen
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PostPosted: Thu Sep 02, 2010 8:21 pm    Post subject: Reply with quote

I'll definitely talk about it, but the talk itself will be general, because I've seen various definitions (and scripts) for stage4 and stage5 floating around. I think I'll use a similar approach, just a bit different ;-)
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PostPosted: Fri Sep 03, 2010 3:38 am    Post subject: Reply with quote

Indeed, a Stage 4 is for a minimal backup and it's Gentoo related and you have a Stage 5 backup that can be use to backup the whole partition and it's not related to Gentoo at all.

I even created a method to backup your current box from a LiveCD : http://gentoo-quebec.org/wiki/index.php/Sauvegarde_stage5_avec_SystemRescueCD

Last week, I updated my hardware and I changed my hdd, so instead of ghosting my box, a good old Stage 5 and my /home partition went from 20gigs to 200 gigs in 5 minutes without any problem.

No need to resize or clone partition, with tar you backup only the data instead of the whole partition. That's a great way to upgrade a box without reinstalling.
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PostPosted: Fri Sep 03, 2010 4:27 pm    Post subject: Reply with quote

thanks, this is incredible! i especially like Ch. 9 Software Management - didn't know about `eix -HAS`
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PostPosted: Tue Sep 07, 2010 2:58 am    Post subject: Reply with quote

I just read the shell scripting chapter, and perhaps you should change it to bash shell scripts, with a footnote that Bash, while common, is not the only choice in a shell? perhaps list links to a few. I'd suggest bourne, tcsh, ksh and zsh. (among those I know, those are the most common alternatives)

NQS
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PostPosted: Tue Sep 07, 2010 1:03 pm    Post subject: Reply with quote

Yeah, and no ;-) I'm currently working with dash as I've heard it is quite posix compliant, and change the chapter to be posix-sh compliant.
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PostPosted: Tue Oct 12, 2010 4:14 pm    Post subject: Reply with quote

Very nice work. I was disappointed to see that there is nothing on the subject of initrd/initramfs. As well as the genkernel section is very limited. I think genkernel is very good for beginners, but is also a much more powerful tool.

I use genkernel myself with Pappy's kernel seeds and generate a basic initrd to then custom tailor to my needs.
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PostPosted: Tue Oct 12, 2010 5:26 pm    Post subject: Reply with quote

SLBMEH wrote:
I use genkernel myself with Pappy's kernel seeds and generate a basic initrd to then custom tailor to my needs.


kernelOfTruth does something similar. I found out in response to a question I asked about who, aside from newbies, uses Genkernel. His response showed me how useful it can be with unconventional booting.
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PostPosted: Sun Oct 17, 2010 8:29 pm    Post subject: Reply with quote

I know, I was planning on extending the genkernel stuff a bit, but had some trouble getting it to function properly within my virtual environments. That should be fixed by now (last time I checked it booted properly) but I haven't tested it fully since (esp. the stable branch and the support for non-gentoo-sources).
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PostPosted: Mon Oct 18, 2010 1:52 am    Post subject: Reply with quote

@Sven Vermeulen, do you plan to create a section about backup method available with Linux ?

Like tar,rsync,partimage, clonezilla,dd
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PostPosted: Sat Oct 23, 2010 2:02 pm    Post subject: Reply with quote

There's a section on backups already, but it's limited currently. I use bacula extensively but think that that's outside the scope of an introduction to Linux. Backup ninja is explained as an example of a more "managed" backup process.
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PostPosted: Sat Oct 23, 2010 2:40 pm    Post subject: Reply with quote

Code:
Using cd ~home would result in an effort to go to the "home" users' home directory (/home/home).

Typing even cd ~Pictures results in
Code:
-bash: cd: ~Pictures: No such file or directory.

Proper would be cd ~/Pictures as /home/user/Pictures is a valid path. ~Pictures is not on my particular file system.

I always thought that the tools and libraries were on TOP of the Linux kernel, not beneath them or running under the kernel.
http://farm1.static.flickr.com/45/140859386_a665ec5a58.jpg

Also, Broadcom open-sourced their wireless driver so it should end up in the kernel pretty quick.
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PostPosted: Sat Oct 30, 2010 7:15 pm    Post subject: Reply with quote

hardly, where do you get the impression from the document that the tools run in or under the kernel?
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PostPosted: Tue Nov 02, 2010 1:37 pm    Post subject: Reply with quote

page 170:

These settings are read as environment variables (which are discussed later) ...

They are discussed erlier in the same chapter.

Thanks for the book, good work. Would be useful if there was some version number so you can check you have the newest .pdf version
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Sven Vermeulen
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PostPosted: Tue Nov 02, 2010 10:17 pm    Post subject: Reply with quote

Silly me; I have docbooks' "edition" tag for versioning, but I never checked if that really resulted in anything in the HTML or PDF output. Apparently not.

I've added a paragraph on the version to the document abstract (right before the copyright). The latest "build" also uses mlocate instead of slocate (apparently slocate is being deprecated) and I added some information on the "emerge cannot satisfy dependency -> change use" scenario as well.
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PostPosted: Fri Nov 05, 2010 5:43 pm    Post subject: Reply with quote

Hi Sven,

I read through your book, Linux Sea. Outstanding job. It is perfect introduction for new users. Have you ever considered writing a Gentoo linux administration guide? In that guide you could cover some of the topics (in much more detail of course) that are being asked here in the forum. I have noticed in the last couple of years that the information from gentoo is very dated, and is in need of some serious upgrading.

Again, great job of writing Linux Sea. It should be required reading for anyone beginning to learn Gentoo linux.
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