Gentoo Archives: gentoo-desktop

From: Roman Zilka <zilka@×××××××.cz>
To: gentoo-desktop@l.g.o
Subject: Re: [gentoo-desktop] System problems
Date: Mon, 21 Mar 2011 08:59:27
Message-Id: 20110321095742.758b2278.zilka@fi.muni.cz
In Reply to: Re: [gentoo-desktop] System problems by Lindsay Haisley
1 [reordered the paragraphs]
2
3 > Unless you have specific suggestions for me to
4 > try out, you might want to stand by until I've had a chance to take a
5 > shot at the problem with the newer kernel.
6
7 I do have a few. I hope you'll make a good use of them to make your
8 life more productive.
9
10 > > And I need to see your conf to discover such potential
11 > > mistakes. As for `emerge --info`, it may uncover problems relevant in
12 > > this case too.
13 >
14 > "emerge --info" is the the stock Gentoo system profile, and I'll be
15 > happy to share it, but in this case I'm looking at what's almost a
16 > "pre-Gentoo" issue, involving the kernel and the boot-up.
17
18 This sounds like you're sure that there is nothing interesting to
19 see in `emerge --info`. Well, let's change it into something more
20 correct: according to your knowledge there is nothing interesting to
21 see. But your knowledge isn't perfect (just like anyone's). Keeping
22 that in mind while consulting with others is the first of my specific
23 suggestions into the future. It will save your+our time and may get you
24 the solution faster.
25
26 > > Please, cooperate with those whom you'd asked for help. Writing these
27 > > several paragraphs worth of e-mail text as a reply was a waste of time
28 > > for you - it clearly hasn't produced any help at all regarding your
29 > > booting issue.
30 >
31 > Taking the desktop system off-line, re-emerging udev, bringing it up
32 > into its failure mode with a newer kernel and pulling the necessary
33 > pieces together, then backing out and putting everything back so the
34 > system is actually fairly usable is a major hassle. I have had _zero_
35 > time to work on this problem since I posted this morning, but will be
36 > able to take another run at it this evening, hopefully. Writing is no
37 > effort for me, and doesn't disable my desktop ;)
38
39 The second of my specific suggestions into a more fruitful future is:
40 read what people ask of you. Sending me what I'd asked for would've
41 taken about a few dozen seconds (I suppose you have the config for
42 2.6.29 stored somewhere). It certainly wouldn't entail taking your
43 desktop offline, reemerging udev, etc. etc. It's just attaching two
44 text files to a piece of e-mail. So if your current attempt at 2.6.36
45 (was it?) fails, you know what to do right away.
46
47 > > And some of those are relatively serious security holes and it'd take a
48 > > really special handling of the system to avoid them. And I'm talking
49 > > about handling that'd probably render an Internet-connected desktop box
50 > > with a web browser unusable.
51 >
52 > This desktop box is on an RFC-1918 masqueraded network. It has zero
53 > exposure to the Internet, except insofar as the firewall will permit
54 > traffic from related and established connections, as per the firewall
55 > NAT rules. The only other person on the LAN is my sweetie, and as far
56 > as I know I can trust her not to black-hat hack my desktop system :-)
57 > All my professional work is done via VPNs to my client's systems.
58
59 The third suggestion is probably the most important one: being NAT'd
60 and being behind any iptables configuration (that allows for operations
61 such as sending mail and browsing the web) doesn't make your PC
62 invulnerable or anything near that. In other words, active break-in
63 attempts via open ports is by far not the only option hackers have.
64
65 > Rather than
66 > posting my entire kernel .config, emerge --info and /etc/fstab to this
67 > list, which I consider questionable netiquette, I'll put it on my
68 > personal file space on one of my servers and post the URL.
69
70 In fact, some people who've appeared on this list over the years would
71 consider it unacceptably bad netiquette not to include `emerge --info`.
72 I also recall people who would consider it bad netiquette, but would
73 still answer your questions (perhaps with some remarks). And I suppose
74 most others consider it at least a good idea and a potential time-saver
75 to include it, unless the topic in question is "what laptop should I
76 buy to run Gentoo". So there goes my last specific suggestion to help
77 you make a more efficient use of this list: include your `emerge
78 --info` and relevant config files, if any, in the opening post to a
79 mailinglist. It's not like you're telling us your card number.
80
81 -rz

Replies

Subject Author
Re: [gentoo-desktop] System problems Lindsay Haisley <fmouse-gentoo@×××.com>