users September 2011

users@lists.fedoraproject.org

279 participants
287 discussions

livecd and pxe boot memory footprint
by Phil Meyer 28 Sep '11

28 Sep '11

The livd images currently appear to have 4GB filesystems, which would correspond to single layer DVDs. This is ok. My question: Is the entire free space reported bf tools like 'df' writable? My simple tests indicate that it is not. ie: # df -h . Filesystem Size Used Avail Use% Mounted on /dev/loop6 4.0G 1.3G 2.7G 33% / 05:40 PM Tue Sep 27 # wget http://mirror.fiber.net/centos/6.0/isos/x86_64/CentOS-6.0-x86_64-bin-DVD1.i… --2011-09-27 17:41:04-- http://mirror.fiber.net/centos/6.0/isos/x86_64/CentOS-6.0-x86_64-bin-DVD1.i… Resolving mirror.fiber.net... 69.160.84.36 Connecting to mirror.fiber.net|69.160.84.36|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 4238800896 (3.9G) [application/octet-stream] Saving to: “CentOS-6.0-x86_64-bin-DVD1.iso” 12% [===> ] 529,255,008 721K/s in 13m 11s Cannot write to “CentOS-6.0-x86_64-bin-DVD1.iso” (Read-only file system). # df -h . Filesystem Size Used Avail Use% Mounted on /dev/loop6 4.0G 1.8G 2.2G 46% / So it seems that roughly 500MB is available via an overlay. Only 'livecd-iso-to-disk', of all of the livecd tools, has an overlay option. The question is: How to adjust the overlay somewhere during the process of: livecd-creator -> livecd-iso-to-pxeboot such that a system using that initrd.img has all of the remainder of the 4GB file-system available via the overlay. Thanks for any pointers! <Cross Posted>

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GGoogle chat vs Skype
by Aaron Konstam 28 Sep '11

28 Sep '11

I have long been intrigued wit having Skype-like capabilities for my computer. I recently looked at Google Chat which seems to be similar and is really easy to install and use (at least on my F14 laptop). What am I missing by not using Skype? -- ======================================================================= Your talents will be recognized and suitably rewarded. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam(a)sbcglobal.net

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Recommendations for improving read and seek times of BTRFS.
by David McFarland 28 Sep '11

28 Sep '11

Hi, I have a question on recommendations for configuring BTRFS and opinions on if it is the correct filesystem to use for the following scenario at this time? The system will have about 24TB of storage. The minimal file size to be stored is 32KB and the maximum is 16GB. We expect the mean distribution of files to be around 128KB-3MB. We also expect that smaller files 3MB or less will be hit more frequently than the larger files. The systems read performance is critical and our initial benchmarking with bonnie++ indicates BTRFS has poorer seek speeds and read performance than both XFS and EXT4. My initial thoughts on this are to split the storage into a number of volumes, which will be optimised for file size ranges. i.e. 2 SSD for files 32KB – 256KB in size 5 HDD for files 256KB – 128MB in size 5 HDD for files 128MB – 16GB in size Does this seem like a sensible approach? Is there any recommendations for optimising BTRFS with a focus on improving read performance and seek times for each of these ranges? Thanks, David

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kadischi post failed -- Reposted here -- iptables always started no matter what
by Phil Meyer 28 Sep '11

28 Sep '11

Please tolerate this post intended for the livecd-creator list. They are bouncing me now days. Maybe its time I changed deodorant? I dunno ... I am desperate! --- livecd-tools-15.7-1.fc15.x86_64 Kickstarts all contain: firewall --disabled selinux --disabled I even went as far as this: %packages --- [stuff deleted] --- -system-config-firewall* and %post --- [stuff deleted] --- /sbin/chkconfig iptables off /sbin/chkconfig ip6tables off echo '#' > /etc/sysconfig/iptables echo '#' > /etc/sysconfig/ip6tables echo '#' > /etc/sysconfig/iptables-config echo '#' > /etc/sysconfig/ip6tables-config echo "#\n--disabled" > /etc/sysconfig/system-config-firewall %end What happens is that /etc/sysconfig/iptables, /etc/sysconfig/iptables, and /etc/sysconfig/system-config-firewall ALWAYS get recreated AFTER %post runs! That causes the iptables kernel modules to load, and filtering started, even though iptables is actually configured for off and does not start. What is doing that? I cannot find it. Any help is appreciated. Thanks!

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Fedora 15 - boot menu
by Ronda Strauch 28 Sep '11

28 Sep '11

Hi, I'm trying to install Fedora 15 from a live CD, but the boot menu did not appear so I could select "install a new system." Upon booting, a message came up that my system didn't support GNOME 3 so it fellback. But then it continued to a blue screen with Applications and Places in a user menu. How do I get to an install window to load Fedora on the hard drive?

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proxy_ajp.conf removed
by solarflow99 28 Sep '11

28 Sep '11

Does anyone know why this was done? I can only see that it happened from the httpd changelog, but no explanation anywhere, or how to create this .conf file. It seems unwise to automatically load this module with no config.

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X11 Fails to initialize. ssh + KDE
by linux guy 27 Sep '11

27 Sep '11

X was working fine from several clients to several servers. Then it quit, for no (obvious to me) reason. Details here, let me know if you need more info. https://bugzilla.redhat.com/show_bug.cgi?id=740466 Any ideas on why this is happening ? Thanks !

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Building X11R6.8 in Fedora 15 - Flex not found
by Doug Kuvaas 27 Sep '11

27 Sep '11

I am trying to build an older version of X Server on Fedora 15 to allow me to run a legacy application. Fedora 8, which functions correctly for our application, will not install on a new computer for some reason, presumably because the new hardware uses UEFI, and Fedora 15 does not correctly run the application. When I try to build X11R6.8 from source, I get the following error "ld: cannot find -lfl". Doing some digging, I found that this error is because the linker cannot find the flex library, however flex is installed. I am running a minimal install of Fedora 15 i686 with the dev libraries and tools installed, nothing else. Kernel Version is 2.6.38.6-26.rc1.fc15.i686.PAE Does anyone have any ideas on how to clear this error? All the answers I found just said to install flex.

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Comparitive Desktop Environments
by Aaron Konstam 27 Sep '11

27 Sep '11

This morning I decided to try the various desktop environments available to me, just to see how I react to each. Now nothing I am going to say is designed to knock any particular environment. By now everyone knows I have a number of complaints about Gnome 3. So this morning I tried to get around in LXDE and KDE. I found I quickly got lost in both. In LXDE I could not get LXTerm (I think that its name) to be anything but transparent, rather than black letters on a white background. I could never get any of the Background Images displayed in the Background program to actually appear as backgrounds. I managed to put Xterm in the Application menu but I could not get it as an option in a panel. The way to shut down was fairly well hidden. In KDE I also had problems. I could not find a way to get a Home filesystem displayed so I could find a file I wanted to edit. I could not get Rhythmbox to play . I had to use KsCD. Just now I found the FileManagwer so scratch that problem. Once I found the FileManager I found how to eject the Disk. A process that had eluded me for awhile. Logging out and shutting down under Leave is as cute as the Gnome having those options under the user name (+ Alt key), and equally obscure for the first time user. My point is all these DEs have things you can do which are hard to find for the first time user. I may admit that Gnome 3 may be the most obscure but not by much. In each case, some time must be spent initially to figure out how to do things. -- ======================================================================= The shortest distance between any two puns is a straight line. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam(a)sbcglobal.net

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Upgrading to kde-4.7 on FC 14
by George R Goffe 27 Sep '11

27 Sep '11

Hi, I'm trying to figure out how to upgrade to KDE-4.7 on my FC 14 system. Could someone give me a hint/clue please? Regards and thanks, George... "It's not what you know that hurts you, It's what you know that ain't so." Wil Rogers... Wil would say, "STIFF THE FED"!!!

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