users February 2007

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547 participants
836 discussions

More on swap.
by Aaron Konstam 01 Mar '07

01 Mar '07

Yesterday in answer to the question as to how much swap is needed it was suggested to read the article at: http://www.redhat.com/magaszine/001nov04/features/vm/ Well this is an interesting article but it tells one nothing about swap fits into the virtual memory structure for the 2.4 kernel in this case. Unfortunately , it is sort of complicated and as other people have said how much swap you need depends a good deal on what you are doing. Swap is an concept whose name was incorrectly borrowed from the OLD 370 and 360 IBM systems and to understand how it fits in to the VM system of the Linux kernel you need to read books like, "Linux Kernel Development, Second Edition", by Robert Love. In many cases you can run a Linux system without swap. -- ======================================================================= You have a tendency to feel you are superior to most computers. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam(a)sbcglobal.net

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Saving the "Frequency Scaling Monitor" applet settings between boots
by Michael Wiktowy 01 Mar '07

01 Mar '07

Hello list, This is a repost since I received no replies from my inquiry last time. Maybe no one knows or it is impossible. I have dug through gconf and found a key named applications->panel->applets->applet_0->prefs that looks like the controls for the appropriate applet but the setting I want doesn't seem to be there. I am just looking for a little guidance. Original post: I recently updated my old laptop (850 MHz Dell) to FC6 from FC5. It seems that FC6 is a bit more demanding of it such that while before it could scale back to 700 MHz and things would work fine, now I need to pin it at 850 MHz. The CPU Frequency Applet will allow you to do that by setting the Governor to "Performance" or just setting the Frequency to 850 MHz but this setting isn't kept between reboots. Is there a way to save this setting so I don't have to keep resetting it each time? Is there a better way to do this? Thanks, /Mike

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retoring a PostgreSQL database from one server to another
by Beau BOB 01 Mar '07

01 Mar '07

Hi, I have postgresql 7.4.1 and I'm restoring to another server that has postgresql 7.4.6 for dumping I'm using : pg_dumpall --clean -h localhost -U postgres -p 5432 > dbfile and for restoring I use many methods: psql -h localhost -U postgres -d template1 -f dbfile and I have this error message when I run the PgAdminIII to connect my data base: "error relation pg_settings not found " & " error relation pg_user not found" and when I use the commands: psql -l ERROR: relation "pg_catalog.pg_user" not found notice that when I make restore , I have many error message about missing relation ; please can anybody help me to resolv my problem thanks for advance _________________________________________________________________ Essayez Live.com et créez l'Internet qui vous ressemble : infos, sports, météo et bien plus encore ! http://www.live.com/getstarted

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Scanner permission
by Frank Cox 01 Mar '07

01 Mar '07

I am attempting to hook a USB scanner to a FC6 box and have the usual problem of only being able to scan (and find the scanner) as root. How do I go about fixing this? -- MELVILLE THEATRE ~ Melville Sask ~ http://www.melvilletheatre.com

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Re: tzdata for Core 4 (Jakub Jelinek
by Randy Easley 28 Feb '07

28 Feb '07

On Tue, Feb 27, 2007 at 03:18:33PM -0500, Steven W. Orr wrote: > I'm still running Core 4 and the new DST is coming at me like a freight > train. I got the latest src for Core 5: tzdata-2006p-1 and built it and > installed it so I now have tzdata-2006-1 on my system. > > % > rpm -q tzdata-2006p > tzdata-2006p-1 > > The problem is: > > % > date -d '27 March' > Tue Mar 27 00:00:00 EST 2007 > > Note that it says EST instead of EDT. I have no TZ variable set. > > Can someone *please* tell what I have to do to fix this? FC4 glibc didn't have /usr/sbin/tzdata-update (it was only introduced in FC5+ and later backported to RHEL4 and RHEL3). So, after you update tzdata package, if the changes are in your default timezone, you need to return system-config-date or manually update /etc/localtime. Jakub Why can't you run yum update tzdata or use up2date??? BTW, you are saying FC5 machines do not need to do anything? The new DST is already in place? I have 2 Fedora releases in the field. FC3 and FC5. I also have several hundred legacy 7.2 redhat machines out there with no internet connection. Any ideas on how to fix them? Thanks

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BZ 230333: Epiphany crashes on loading Java applets after updating to epiphany-2.16.3-2.fc6
by Anuj Verma (Kevin) 28 Feb '07

28 Feb '07

Hi, It seems that recent update of Epiphany for FC6 broke Java support in Epiphany. https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=230333 ~kevin

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SFTP servers do not show in nautilus network://
by Gérard Milmeister 28 Feb '07

28 Feb '07

I have one desktop computer connected via wired ethernet to a ADSL modem-router an one laptop connected via wireless to this router. When I open nautilus network:// on the desktop I can see both the desktop and the laptop SFTP servers. However on the laptop I don't see either. The avahi daemon runs on both computers and avahi-resolve -a as well as avahi-discover show the same output on both computers. What am I doing wrong? -- Gérard Milmeister Langackerstrasse 49 CH-8057 Zürich

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approved mechanism to switch to 32-bit firefox?
by Jack Howarth 28 Feb '07

28 Feb '07

I noticed that a fresh install of x86_64 FC6 resulted in both i386 and x86_64 packages for firefox being installed. I would like to configure my machine to default to the i386 version of firefox and am wondering if there is an approved mechanism to setting this (since FC6 went out of its way to preinstall the i386 binaries on x86_64)? Jack

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fedora OS high memory usage
by Ravi Malghan 28 Feb '07

28 Feb '07

Hi: I have installed Fedora 6 on a laptop with 756MB RAM. With no application started when the machine boots up, the top is saying that, 601308K is being used. Mem: 774356k total, 601308k used, 173048k free, 19348k buffers Is this normal? or is this not really what it means. I read some postings that the memory usage shown here is what is allocated for the processes and not how much is being used. Any thoughts? Thanks Ravi ____________________________________________________________________________________ Cheap talk? Check out Yahoo! Messenger's low PC-to-Phone call rates. http://voice.yahoo.com

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CLOCK_PROCESS_CPUTIME_ID clock doesn't increment seconds
by Jean-Rene David 28 Feb '07

28 Feb '07

The following test case works fine on Core3 but fails on Core6. $cat /etc/fedora-release Fedora Core release 3 (Heidelberg) $ cat test.c #include <stdio.h> #include <unistd.h> #include <time.h> int main(void) { int i; struct timespec start_rt, start_id; struct timespec now_rt, now_id; clock_gettime(CLOCK_REALTIME, &start_rt); clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &start_id); for(i=0; i<5; i++) { if(clock_gettime(CLOCK_REALTIME, &now_rt)!=0) { fprintf(stderr, "Error!\n"); return 1; } if(clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &now_id)) { fprintf(stderr, "Error!\n"); return 1; } // First column CLOCK_REALTIME printf("%d.%d\t", now_rt.tv_sec - start_rt.tv_sec, now_rt.tv_nsec - start_rt.tv_nsec); // Second column CLOCK_PROCESS_CPUTIME_ID printf("%d.%d\t", now_id.tv_sec - start_id.tv_sec, now_id.tv_nsec - start_id.tv_nsec); printf("\n"); sleep(1); } return 0; } $ gcc test.c -lrt $ ./a.out 0.73000 0.68477 1.1563000 1.1142818 2.3410000 2.2632301 3.5258000 3.4122795 4.7106000 4.5611411 $ /lib/libc.so.6 GNU C Library stable release version 2.3.3, by Roland McGrath et al. Copyright (C) 2004 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 3.4.2 20041017 (Red Hat 3.4.2-6.fc3). Compiled on a Linux 2.4.20 system on 2004-10-27. Available extensions: GNU libio by Per Bothner crypt add-on version 2.1 by Michael Glad and others linuxthreads-0.10 by Xavier Leroy The C stubs add-on version 2.1.2. BIND-8.2.3-T5B NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Glibc-2.0 compatibility add-on by Cristian Gafton GNU Libidn by Simon Josefsson libthread_db work sponsored by Alpha Processor Inc Thread-local storage support included. For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>. $ uname -a Linux x.x.x 2.6.9-1.667 #1 Tue Nov 2 14:41:25 EST 2004 i686 i686 i386 GNU/Linux However on Core6: $cat /etc/fedora-release Fedora Core release 6 (Zod) $ gcc test.c -lrt $ ./a.out 0.5000 0.69347 1.3222000 0.113973 2.3297000 0.147403 3.3354000 0.180369 4.3417000 0.213781 Note the seconds don't increment on the right column. $ /lib/libc.so.6 GNU C Library stable release version 2.5, by Roland McGrath et al. Copyright (C) 2006 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Compiled by GNU CC version 4.1.1 20060928 (Red Hat 4.1.1-28). Compiled on a Linux 2.6.9 system on 2006-10-08. Available extensions: The C stubs add-on version 2.1.2. crypt add-on version 2.1 by Michael Glad and others GNU Libidn by Simon Josefsson GNU libio by Per Bothner NIS(YP)/NIS+ NSS modules 0.19 by Thorsten Kukuk Native POSIX Threads Library by Ulrich Drepper et al BIND-8.2.3-T5B RT using linux kernel aio Thread-local storage support included. For bug reporting instructions, please see: <http://www.gnu.org/software/libc/bugs.html>. $ uname -a Linux x.x.x 2.6.18-1.2798.fc6xen #1 SMP Mon Oct 16 15:11:19 EDT 2006 i686 i686 i386 GNU/Linux Any clue? -- JR

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