- WLUG - wlug.mailman3.com

Re: [Wlug] Network problem: mine or theirs?
by ccb＠acm.org 26 Feb '01

26 Feb '01

Hmmm. Perhaps they have a proxy in-line and the proxy is having trouble. ccb -- Charles C. Bennett, Jr. VA LiNUX Systems Systems Engineer, Northeast US 25 Burlington Mall Rd., Suite 300 +1 617 543-6513 Burlington, MA 01803-4145 ccb(a)valinux.com www.valinux.com

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Network problem: mine or theirs?
by Andy Stewart 24 Feb '01

24 Feb '01

Hi all, I have a problem accessing the Internet. On precisely every other attempt, I get failures. For example, every other unique URL I click in Netscape gives me the following error: A network error occurred while Netscape was receiving data. (Network error: connection reset by peer) Try connecting again. I suspect that my network provider's DNS server is having problems. Since I'm a DHCP client of AT&T Broadband, I tried removing all but one of the nameserver lines in the /etc/resolv.conf file to see if one of them was flaky. After trying all 3 provided nameservers uniquely, either this isn't the problem, or they're all flaky. Any thoughts? Thanks, Andy -- Andy Stewart, Founder -o) | It is easier to change the specification Worcester Linux Users' Group /\ | to fit the program than vice versa. Worcester, MA, USA _\_v | http://www.wlug.org |

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PPPD 2.3.11 on kernel 2.4.1
by Peter Gutowski 23 Feb '01

23 Feb '01

I've got kernel 2.4.1 up and running and am pleased that all seems to be relatively well. My boss has an iMac at home and dials in via a ppp connection to one of my linux boxes running now 2.4.1. I've played with various ppp options and have removed just about everything from the /etc/ppp/options file. Feb 23 11:37:15 lx1 pppd[10485]: pppd 2.3.11 started by a_ppp, uid 0 Feb 23 11:37:15 lx1 pppd[10485]: ioctl(PPPIOCGFLAGS): Invalid argument Feb 23 11:37:15 lx1 pppd[10485]: tcsetattr: Invalid argument Feb 23 11:37:15 lx1 pppd[10485]: Exit. Here's the current modules: (root on lx1) peterg # lsmod Module Size Used by iptable_mangle 1884 0 (unused) iptable_filter 1848 0 (unused) ip_tables 13016 2 [iptable_mangle iptable_filter] slip 5688 0 (unused) bsd_comp 4172 0 (unused) ppp_deflate 41148 0 (unused) ppp_async 6060 0 ppp_generic 13088 0 [bsd_comp ppp_deflate ppp_async] slhc 4836 0 [ppp_generic] 3c59x 23420 2 (autoclean) agpgart 21900 0 (unused) I also happened to read something this morning on lwn.net (http://lwn.net/2001/0222/kernel.php3) that suggested that certain ppp things weren't working because the MTU min size was higher than ppp wanted to set. As it suggested i've done: `echo 256 > /proc/sys/net/ipv4/route/min_adv_mss` to no avail! I keep suggesting (lately increasingly less subtly) that he consider a cable modem but so far he still wants to do it this way. Any ideas? -- Peter Gutowski peterg(a)powervue.com http://www.powervue.com/~peterg

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To: wlug.org message board manager
by Alexander S. Leon 22 Feb '01

22 Feb '01

The postings on the message board at wlug.org have the wrong year attached to them. I posted a message on 2/21/01, and the date on it is "2/21/00", instead of "2/21/01". This ought to be corrected. I hope this gets to the right person...

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ssh
by Brad Noyes 20 Feb '01

20 Feb '01

Hi, When i pop my mail i create a tunnel through ssh, and pop through that. Using this command "ssh -C -f me(a)pop.myserver -L 10110:pop.myserver:110 sleep 30" Well every time i create the tunnel i have to enter my password for the pop server. Is there a way to use ssh tools so i don't have to enter my password? I'm using kmail is that's relevant. Thanks, --Brad

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900 pair -22 AWG ,PE89 cable for sale !!!
by pmilea＠oo.net 19 Feb '01

19 Feb '01

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[Fwd: Red Hat Certified Engineer Classes Now Available in Boston]
by Andy Stewart 17 Feb '01

17 Feb '01

-------- Original Message -------- Subject: Red Hat Certified Engineer Classes Now Available in Boston Date: Tue, 13 Feb 2001 10:39:43 -0800 From: "Red Hat" <RedHat(a)redhat.rgc2.net> Reply-To: "Red Hat" <feedback(a)redhat.com> To: astewart(a)world.std.com - Want to fortify your Linux system administration skills? - Considered becoming a Red Hat Certified Engineer? - Need advanced training to move your career forward? But never had the time and money to travel? Now is your chance. Red Hat's Boston Training Facility is now open! Train at Red Hat in a lab environment, in courses taught by Red Hat Certified Engineers with considerable Internetworking and development expertise. Ready to prove what you can do? Earn RHCE--the world's leading Linux certification and the choice of IT professionals and their employers. Sign up today! ------------------------------------ Call: 800-454-5502 x241 OR Email: training(a)redhat.com Learn more: http://redhat.rgc2.com/servlet/cc?koDBCEHlmLPHkmFPhksKDlmKDJhtE0ET ------------------------------------ RH033 Introduction to Red Hat Linux I,II Mar 27 - Mar 30 (4 days) $1998 RH133 Red Hat Linux System Administration I,II Apr 3 - Apr 06 (4 days) $2098 RH253 Red Hat Linux Networking and Security Admin Apr 10 - Apr 13 (4 days) $2198 RH300 RHCE Rapid Track Course Mar 05 - Mar 09 (5 days) $2498 Apr 16 - Apr 20 (5 days) $2498 ____________________ The above email is intended for people who have opted in to receiving email offers from Red Hat. If you think that you have received this email in error, please accept our apologies. Simply click on the link in the section below and we'll make sure that you do not receive this kind of email from Red Hat again. ______________________________________________________________________ This message was sent by Red Hat, Inc. using Responsys Interact (TM). If you prefer not to receive future e-mail from Red Hat, Inc.: http://redhat.rgc2.com/servlet/optout?koDBCEHlmLPHkmFPhksKDlmKDJht To view our permission marketing policy: http://www.rsvp0.net

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OpenOffice
by Doctor Orbitz 16 Feb '01

16 Feb '01

I use OpenOffice for myst school word processing, it is pretty awesome, but lacks on thing, I cannot for the life of me figure out how to get the spell checker to work. Does anyone else here have that problem? Has anyone gotten it to work? If so let me know please. Orbitz

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Thanks!
by Doctor Orbitz 15 Feb '01

15 Feb '01

Hey, thanks alot all of you who went to http://orbitz.dyn.dhs.org/test.php. For those of you wondering why the heck I'd ask a such a thing, here is an explination. A friend of mine got a cool (but I'm assuming not very new idea) for passive OS detection through version strings on network software, in this case web browsers. What the php script does is log all of your version (User-Agent header) strings to a file, then by doing some greps and sort I create a wonderful list of all the strings. Then I use a perl script i made to convert the version strings to snort (www.snort.org) rule sets. So now when people visit http://orbitz.dyn.dhs.org/ and they are using a web browser in my data base, I can log what OS, web browser, and whatelse is in the header. So the bigger the database, the more people I can pick up. Its a pretty cool idea I think. There are other ways (probably simpler and more efficient) of doing this. Such as possible an apache mod. Thanks again, Orbitz

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RE: [Wlug] Memory issues
by Guilderson, Tom W. 15 Feb '01

15 Feb '01

Are you positive that the problem is memory and not CPU? Most decoding of audit and video is very cpu intensive. If the audio/video app gets swapped out (of the cpu), you can notice choppiness in quality. A good graphical tool such as Xosview can give you an indication where the bottleneck might be since you can see CPU, memory, swap, disk, etc. all at once and see what is pegged. > > michaellong> Is there a way to reserve a block of memory when starting > michaellong> realaudio. I have noticed that when my system is > running out > michaellong> of free memory the audio quality goes to sh*t as the open > michaellong> application fight over resources. > > Without the source, no. With the source, you could do an > mlockall(MCL_FUTURE), which would lock all of the app's pages into > memory. > > One question, though. When you say your system is > running out of free > memory, on what are you basing that statement? The > output of free? > Much of what is in memory is cached. If it wasn't, > performance would > suck. Thus, the "free" field should report very little > if your OS is > being at all effective at memory management. > > One other question, what kernel version are you running? >

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