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From: J.O. Aho on 26 Jun 2010 01:54
Aragorn wrote:
> On Saturday 26 June 2010 06:11 in alt.os.linux, somebody identifying as
> Ohmster wrote...
>
>> (Off topic, but is there anyway to pause the top screen so I can
>> examine or capture it then allow it to resume again?)
>
> Not for an actual undetermined pause length, but you can change the
> refresh rate of the output using "d" or "s". Another useful feature is
> that you can use it in non-interactive batch mode - see the man page -
> which allows you to redirect the output to a file.

There is another option, to use htop, which allows you to scroll in the list
of processes, and is easier to use for those who don't have the skills ot rea
a man page.


--

//Aho
From: J.O. Aho on 26 Jun 2010 02:04
Ohmster wrote:
> John Hasler <jhasler(a)newsguy.com> wrote in
> news:87bpayvpv6.fsf(a)thumper.dhh.gt.org:
>
>>> Just for the record, it is generally advised not to run X11 if you
>>> intend to use the machine as a server, the exception being an LTSP
>>> server of course.
>>
>> No need for an xserver their either: just xlib.
>
> Have to explain what this computer is for, then you will understand. Answer
> in long reply above. Short answer is this is my server/desktop/hobby/study
> and learning computer.

IMHO this is a bad combination, for server I have dedicated machine (nowadays
I have a dedicated machine which runs virtual machines, where each VM is a
server or a test machine), having a desktop machine and a server will give you
more stability, you don't want the server to go down just for your
experimentation caused a problem which forces you to reboot.


> The servers are are real with real domain names but
> since it is on a cablemodem IP address, I get blocked from mail servers

This for you have a dynamic ip, try to switch to a provider who offers you a
static ip, then you have a better chance to send mail directly to the big
MTAs. A work around is to set a SMARTHOST which is your providers MTA, this
way your mail will not be blocked.


> and many browsers like IE will turn the address bar red because they say
> there is something wrong with the security cert on the site.

You are using a self certified certificate and those there are no one else
verifying that you are you and those your certificate is not trustworthy.
All modern browsers will warn you for self certified certificates, it's not
MSIE, but Firefox, SeaMoneky, Opera, Konqueror and so on...
The workaround is to get a certificate from one of the big ones.


--

//Aho
From: David W. Hodgins on 26 Jun 2010 03:46
On Sat, 26 Jun 2010 00:11:14 -0400, Ohmster <root(a)dev.nul.invalid> wrote:


> What is "magic SysRq keys"? You mean Alt-Ctl-Delete or Alt-Ctl-Backspace?
> They have no effect at all.

See http://en.wikipedia.org/wiki/Magic_SysRq_key

Alt+Ctrl+RSEISUB (ALT+Ctrl held down, press each of the
other keys in order, with a second or two, between each
keypress
Remember, Raising Skinny Elephants, Is Still Utterly Boring.

Regards, Dave Hodgins

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From: Curt on 26 Jun 2010 08:43
On 2010-06-25, Ohmster <root(a)dev.nul.invalid> wrote:
> I have a home server with Fedora 12 on it. Old hardware:
> Pentium III, 800Mhz Coppermine,
> 1.5Gb SDRAM
> GeForce 6800

You've looked into disabling agp for your card? Agp used to cause freezes
(only to be remedied by magic sysrq, or whatever it's called) on my
former machine with similar specs (nvidia card/driver).

If the above isn't applicable, helpful, or is simply stupid in one way or
another (I only cursorily examined the contents of your thread), I
apologize in advance.
From: Ohmster on 26 Jun 2010 13:48
"J.O. Aho" <user(a)example.net> wrote in
news:88ljjgF2i1U1(a)mid.individual.net:

[..]
>> Have to explain what this computer is for, then you will understand.
>> Answer in long reply above. Short answer is this is my
>> server/desktop/hobby/study and learning computer.
>
> IMHO this is a bad combination, for server I have dedicated machine
> (nowadays I have a dedicated machine which runs virtual machines,
> where each VM is a server or a test machine), having a desktop machine
> and a server will give you more stability, you don't want the server
> to go down just for your experimentation caused a problem which forces
> you to reboot.

Very well put, Mr. Aho.

>> The servers are are real with real domain names but
>> since it is on a cablemodem IP address, I get blocked from mail
>> servers
>
> This for you have a dynamic ip, try to switch to a provider who offers
> you a static ip, then you have a better chance to send mail directly
> to the big MTAs. A work around is to set a SMARTHOST which is your
> providers MTA, this way your mail will not be blocked.

Yes, I did do that. Now I use smarthost to go through Comcast servers and
can send mail that way. Good tip. ;>)

>> and many browsers like IE will turn the address bar red because they
>> say there is something wrong with the security cert on the site.
>
> You are using a self certified certificate and those there are no one
> else verifying that you are you and those your certificate is not
> trustworthy. All modern browsers will warn you for self certified
> certificates, it's not MSIE, but Firefox, SeaMoneky, Opera, Konqueror
> and so on... The workaround is to get a certificate from one of the
> big ones.

Uhm, that is exactly right. I do have more than one FQDN and use virtual
servers. The one I use for my computer repair buisiness I should really
just spring for the cheap godaddy linux host. It is really not much
money, like $50 for the year and it would make almost all of these
problems go away. I would keep my play domain though. I use that all the
time for remote desktop to win 7, ssh via putty to Linux, FTP and HTTP
file servers. That I really like and that I will keep. Just for me and so
I can email people big zip or rar files as links to click.

I think that is a reasonable hybrid answer to this situation. I still get
to "play Linux" and learn, yet my small business website will look more
legit with a "real IP address" that DNS resolves to with CERT if I need
it. Would you go with me on that idea?
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