From: ibuprofin@painkiller.example.tld.invalid
On Fri, 04 Jan 2013, in the Usenet newsgroup alt.os.linux.mandriva, in article
, Adam wrote:
>Moe Trin wrote:
>I expect that by 2038, only computer collectors will be using 32-bit
>machines. Who's using 16-bit machines nowadays?
That's probably it. The last time I had a '286 running was around
1994, though come to think of it, a class I took that year still had
some XTs and clones running 8088s.
[Thinkpad T60]
>> What does '/bin/netstat -antu' show open, and why?
>By "open" you mean "netstat -antu | grep LISTEN"? Too many, so it'll
>be a few weeks before my laptop is ready to go out into the world.
>I'll try to figure them out on my own first, but I expect to have a
>lot of questions coming up.
Even without the grep - the only obvious exceptions would be stuff
with a "Local Address" of "127.0.0.1:" (or "::1:") which is on the
loopback only. As root, "netstat -antup" which gives the process-ID
and name of the program. That will help, and using "ps afuwx" can
help isolate what is starting the unwanted stuff. Look also at the
address ranges. A line like
tcp 0 0 :::631 :::* LISTEN 1530/cupsd
is IPv6 and you may have to kick that daemon not to listen there, or
simply set your firewall ("/sbin/ip6tables") to block all - the former
is preferred. IPv6 is becoming more common (late last month, the five
RIRs had 39190 IPv4 blocks registered in the US, verses 2902 IPv6, and
121159 IPv4 verses 12989 blocks globally) but few ISPs are providing
IPv6 addresses to end users. Unfortunately, some daemons know better
than you or your ISP and ignore network configuration commands like
"NETWORKING_IPV6=no" or "IPV6INIT=no" and will listen for IPv6
connections as above. An IPv4 line for the same service would look
like
tcp 0 0 0.0.0.0:631 0.0.0.0:* LISTEN 1530/cupsd
With the possible exception of sshd listening on the LAN or wireless
interface (and if so, it should be restricted by a firewall rule) and
maybe something listening only on the loopback, I really wouldn't want
to see _anything_ listed.
>Part of the problem seems to be that the "helper" tools insist on
>rewriting /etc/hosts.
I hate tools like that. That could be a DHCP client adding it's
current IP address to the hostname, which can be frustrating. If so,
the GUI helper probably has a check-box selected causing it.
>I also figured out that the laptop's "WiFi active" light is
>apparently controlled by software, as with Mandriva it's never on,
>even when it can detect local APs.
Do you mean the light on the function key, or some indication on the
desktop. I've limited experience with that, but this may be a
function of the "network manager" helper.
[choosing a laptop case]
>> I'd tend more towards the "computer store", as I'm a little less
>> impressed with the quality of stuff at the department stores. The
>> "computer store" should also have a better selection in stock.
>> That said, I'd still at least look to see what they've got.
>Thursday I browsed through KMart and Staples since I was near them
>anyway. KMart just had one aisle with all the backpacks and computer
>cases; nothing I'd trust.
The last time I was in a KMart, it felt like a real low-end type of
place. There were some names there, but the over-all quality seemed
lower than other stores here. YMMV
>Staples had a decent selection, and although I didn't buy anything
>that day I did get a much better idea of what's available and what
>sort of thing I want.
That's what I was suggesting. I really wouldn't buy anything quite
yet, but I would take notes.
>No sleeve for me! It has to be at least large enough to hold the
>charger, and anything with room for that would have room for other
>accessories, plus a notebook and whatever pages I'm working on.
We have two different kind, though neither has room for the charger.
Main difference is the thickness of the padding. As mentioned, my
wife uses one inside her roll-away bag, to give extra protection.
>The "messenger bags" looked suitable as did some of the cases. Most
>of them were on the large side for a 14.1" laptop. I'll try to get
>to the other stores in the next week or two.
Most of the bags/cases I've seen are sized for a 15.6" laptop, and
that makes it even harder for the people with the "wide-screen" 17.3
inch, or the 13.3 inch "Ultrabook" systems. I'd be looking for
something with a frame to give additional protection.
["Laptops for Dummies"]
>> The author's name is familiar, and I think I had read a different
>> book he had written.
>Dan Gookin apparently wrote the very first book in the series, "DOS
>for Dummies" and the title alone indicates how long ago that was.
Yes, but I believe the series only started around 1990 and I'd seen
something from him before that. I vaguely remember him having a
radio show in Southern California - Saturday afternoons? - on PCs.
>Writing tutorial books like those is a skill in itself.
The author of "UNIX for Dummies" and "Internet for Dummies" (John
Levine) is similar, with the same sense of humor. Part of that is
editorial direction, part the skills of the writer.
[family collage]
>> Well, I think the one in the upper-left is grand-parents... I
>> sorta remember this was one of the photos you were having problems
>> with,
>That's the other grandparents, from a roll that had shifted but was
>sort-of salvageable. The one I uploaded a while back was from a
>different roll that had shifted beyond salvageable IMHO.
The other one was indoors, with back-lighting problems as well as the
color shift. I recalled this one from the composition rather than
the actual details.
>> but that was a while ago and the resolution is pretty ghastly.
>JPEG quality = 3 -- I thought it would be safer on the web if I
>didn't have any people recognizable. However, the right edge, second
>down does give a hint of my father's new resemblance to Ernest
>Hemingway.
Hard to say - that picture is 22 pixels wide, so the detail is rather
sketchy. It's a push, but I might think there are 4 other pictures
showing it (left center, third row left 2nd top, second row right 2nd
top, and bottom right), but that's a real maybe.
>> bottom row, third from right - "why are you disturbing my sleep?"
>Maybe, but I also thought that was the prettiest photo of Allegra.
Yes, it's quite a nice one. I've a somewhat similar shot of Princess.
>> Compile options when they built the binary? I dunno. Were it
>> important
>Which it isn't, very, to me, especially as I now have a Debian VM I
[continued in next message]
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