users October 2010

users@lists.fedoraproject.org

298 participants
343 discussions

Making Fedora boot faster
by Kalpa Welivitigoda 30 Oct '10

30 Oct '10

Hi all, I thought to make my Fedora system boot faster. For that I thought to disable unnecessary kernel modules and services. So I want to know in detail what each and every kernel module and service do so that I can disable which are no needed. Can anyone here provide me with a detailed documentation on the kernel modules and services? -- Best Regards, W.H.Kalpa Pathum http://kalpapathum.blogspot.com http://thiraya.wordpress.com

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question on screen resolution
by Paul Allen Newell 30 Oct '10

30 Oct '10

To the Fedora community: I have upgraded one of my machines to F13 in expectation of F12 hitting end of life. For the most part, no problems, but I am seeing an odd display problem. I have three machines connect via KVM to a single monitor. Right now, one is F13, one is F12, and one is F9. The F12 and F9 respect the monitor size, but my new F13 install seems to crop the left side. Enough to kill three or four characters when I open anything that is pinged to upper left. I am not certain what tests to run to see what is going on. I think I am not changing any display issues as I don't touch any X stuff and let the system do as it wishes. Suggestions? Thanks in advance, Paul

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While waiting for Fedora 14, a question for the engineering types re: searching and finding
by Bill Case 29 Oct '10

29 Oct '10

Hi; How does the cpu search and find stuff? I am asking at the lowest abstraction level and hardware level. I have read several operating system texts and have an overview understanding of 'C'. There is a huge amount of searching and finding of text in memory, conditional statements requiring comparisons, and the use of entry points but not exact addresses from within both kernel space and user space. It has occurred to me that a there is necessarily a lot of physical or bit comparing going on. Too much, I would think, to keep dumping a search criteria into a cpu register and then replacing the contents of a second register from a block of memory until one matches. I understand the use of hash tables. I am asking at a level lower than that. Is there a special unit within the cpu or memory were rapid comparison, or partial comparisons are made during a search, before a criteria is noted as found and moved into the cpu registers? In a generalized way, at the hardware level, how are searched for criteria found? I have googled for an answer and found nothing helpful. That usually means I have somehow mis-posed the question, am working from wrong assumptions or lack the correct terminology. Help chasing the 'searching' mechanism would be appreciated. -- Regards Bill Fedora 13, Gnome 2.30.2 Evo.2.20.2, Emacs 23.2.1

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Mplayer equalizer doesn't work
by Doug Wyatt 29 Oct '10

29 Oct '10

I'm setting up a 64-bit F13; mplayer is from rpmfusion. Box is a core2 duo multiboot. F12, 32-bit, is on another partition and mplayer works fine there. The F13 mplayer is configured identically to the one in F12, but in F13 the audio slides won't move; the video slides initially are set at full scale and moving them produces no change. In F12 the brightness and contrast are initially set at midscale - I usually increase brightness by about 10 for dark videos. Mplayer is set to use the Xv driver in both cases. In ~/.mplayer config file, vo=xv, ao=alsa, vf=eq2. Tried vf=hue=0.0:1.0,eq2=1.0:1.0:0.1:1.0:1.0:1.0:1.0:1.0, but changes to the 3rd eq2 field (brightness) had no effect. Also, pressing keys 3 or 4 have no effect. Nouveau is installed on both F12 and F13. GPU is 9800GT. Any ideas? Regards, Doug Wyatt

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problems with gigabit speeds on dual network card
by Genes MailLists 29 Oct '10

29 Oct '10

Anyone got any suggestions for this. I have a linksys sr2024 Gb switch Several things are plugged into this - all using cat 5e or cat 6 cables. Some things are connecting with full Gb speed but the main firewall wont. The machine has 3 intel nic's - lspci | egrep -i ethernet 04:00.0 Ethernet controller: Intel Corporation 82573L Gigabit Ethernet Controller (rev 01) 05:04.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05) 05:05.0 Ethernet controller: Intel Corporation 82541PI Gigabit Ethernet Controller (rev 05) The 82573 is on board and not used - the other 2 nic's are used - one for internal subnet and one for external. The internet side is connected to a cisco 800 router (which I believe is 10/100 only .. tho I cudnt swear for sure) The inside is connected to the SR2024 Gb switch. Both nic's come up in 100 Mb/s - I rebooted the switch, and I plugged and unplugged the cables, I tried ethtool -r ethx a few times to no avail. Other machines on same switch are happily running at full gigabit speeds. Nothing in logs suggests a problem Is there a problem with multi nics of same brand where they need to run at diff speeds ? Or is this a quirk with some hardware somewhere ? Or ??? Appreciate any suggesions ... its getting tiring forcing renogiation! thanks ... gene/

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type 1400 avc denial messages
by Hiisi 29 Oct '10

29 Oct '10

Dear all! I would like one of the computers on a LAN to send some files to another computer on the same LAN using scp. Both computers can ping each other without any problems and I set up ssh using keys authentication to work without passwords. The task I'm talking about should be done in automatic way so I wrote the following script (the part of it has been erased for the purpose of simplicity): ... OUTFILE=$(mktemp /tmp/out.XXXXXX) chmod 666 $OUTFILE ... scp $OUTFILE user@192.168.3.30:/home/user/ ... It doesn't work as expected. It creates the desired file in /tmp dir on local machine but it doesn't copy it to remote machine. Instead I see a lot of avc denial messages in dmesg output: type=1400 audit(1288189100.508:9): avc: denied { name_connect } for pid=9059 comm="ssh" dest=22 scontext=system_u:system_r:procmail_t:s0 tcontext=system_u:object_r:ssh_port_t:s0 tclass=tcp_socket The script on the sender machine is invocated by procmail. I tested this scp command manually and it can be done without any restriction. However it doesn't work when it's in a script. How can I tell selinux (is it him whom to blame?) to allow scp from a script? TIA P.S. Additional info: # sestatus SELinux status: enabled SELinuxfs mount: /selinux Current mode: permissive Mode from config file: enforcing Policy version: 24 Policy from config file: targeted P.S.2 I don't want to disable SELinux completely because this system is connected to the Interned and has static IP address. I see a lot of interesting in root mail every day :-) -- Love may laugh at locksmiths, but he has a profound respect for money bags. -- Sidney Paternoster, "The Folly of the Wise"

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network failover; but not bonding
by sean darcy 29 Oct '10

29 Oct '10

I have a machine with 2 nic's. One nic (ETH0) is connected to a cable modem. The other nic (ETH1) is connected to an internal lan. The internal lan also has access to the internet. The cable service, Time-Warner RoadRunner, is great when up, but is not reliable. The connection through the internal lan (Verizon DSL) is reliable but lousy. Sigh. When the cable is down, the interface connection to the cable modem stays up. An ifconfig shows ETH0 as up. The only way to tell is to ping an outside address. I thought of bonding. But that won't work since it will see ETH0 as up, even if the cable service is down. Is there a way to implement network failover that actually checks for true internet connection? sean

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wrong subject encoding in /var/mail/<user>
by Hiisi 29 Oct '10

29 Oct '10

Hi! Looking at the /var/mail/<someuser> file I found that subject fields are often in a wrong encoding while every other part of the message displayed correctly. Example: Subject: test =?koi8-r?Q?=D4=C5=D3=D4?= Is there some settings in sendmail configuration ti prevent this behavior? My system is: 2.6.32.21-168.fc12.i686 sendmail-8.14.4-3.fc12.i686 sendmail-cf-8.14.4-3.fc12.noarch -- You will remember something that you should not have forgotten.

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Metamail
by Dave Close 29 Oct '10

29 Oct '10

This doesn't seem right. With Fedora 13: $ yum info mailcap Installed Packages Name : mailcap Arch : noarch Version : 2.1.33 Release : 1.fc13 Size : 54 k Repo : installed >From repo : updates Summary : Helper application and MIME type associations for file types URL : http://git.fedoraproject.org/git/mailcap.git License : Public Domain and MIT Description : The mailcap file is used by the metamail program. Metamail reads : the mailcap file to determine how it should display non-text or : multimedia material. Basically, mailcap associates a particular : type of file with a particular program that a mail agent or other : program can call in order to handle the file. Mailcap should be : installed to allow certain programs to be able to handle non-text : files. : : Also included in this package is the mime.types file which : contains a list of MIME types and their filename "extension" : associations, used by several applications e.g. to determine MIME : types for filenames. $ yum --enablerepo=* list metamail Error: No matching Packages to list $ yum --enablerepo=* provides */metamail No Matches found Certainly, mailcap is used by programs other than metamail. But the description seems to imply that metamail is the primary user. So, where is metamail? -- Dave Close, Compata, Irvine CA +1 714 434 7359 dave(a)compata.com dhclose(a)alumni.caltech.edu "Email is the 'file system' for people that aren't geeks. IMAP is NFS for your mom." --Tom Limoncelli

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Re: Intermittent freezing
by JB 29 Oct '10

29 Oct '10

Nigel Bishop <N.Bishop <at> ru.ac.za> writes: > ... Hi, give us an output from an X terminal: $ top quit and include it in reply. JB

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