Discuss July 2010

discuss@lists.centos.org

242 participants
193 discussions

Keyboard macros, or another way?
by Dotan Cohen 27 Jul '10

27 Jul '10

As I am now managing a CentOS server, I've installed 5.4 on a spare desktop partition. A lot of my work is to copy and paste from various text fields online and in a local text editor. Therefore, I would like to define my keyboard's multimedia keys for some functions: 1) Clear field (might be accomplished by Select All then Delete) 2) Cut (standard Ctrl-X clipboard, not X11) 3) Copy (standard Ctrl-C clipboard, not X11) 4) Paste (standard Ctrl-V clipboard, not X11) To start, the key that I would like to assign for Copy has these properties: Scancode (showkey -s): 0xe0 0xba 0xe0 0xea Keycode (showkey): 158 Keycode (xev): 166 I have tried these .Xmodmap lines and none of the worked to assign the key to Copy: keycode 158 = XF86Copy keycode 166 = XF86Copy I should note that I _think_ that XF86Copy affects the mouse highlight-and-middle-click clipboard, not the ctrl-c|ctrl-v clipboard. It is the later that I do need, not the former. If I get this worked out, Cut and Paste should be easy (ha!). However, I am still at a loss about what to do with the "Clear field" button. Thanks. -- Dotan Cohen http://gibberish.co.il http://what-is-what.com

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Boot from CD
by Edward Diener 27 Jul '10

27 Jul '10

I am running CentOS 5.5 and I want to create a boot CD so that if my boot partition is moved I can still boot from the boot CD and re-initialize grub again. Is there some easy to use utility which will enable me to do this ?

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areca 1100 kmod / kernel support
by Juergen Gotteswinter 26 Jul '10

26 Jul '10

Hi, is the areca 1100 Raid Controller supported by CentOS 5? Or is there a kmod rpm available? Thanks Juergen

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www.centos.org - SSL Cert Expired - CSS fubar'd
by Mike Putnam 26 Jul '10

26 Jul '10

Hi All, I hadn't seen mention of it on the mailing list yet so I thought I'd post it. It seems the wildcard SSL cert for *.centos.org has expired. Since the www.centos.org stuff references its CSS via the http[S] urls, the CSS and images are now missing from http://www.centos.org/ "The certificate expired on 7/16/2010 7:23 PM." Mike

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Audio fails on centos 5.5 sony laptop - snd-hda-intel
by Rob Kampen 26 Jul '10

26 Jul '10

Hi List, been chasing my tail for the last two hours and getting nowhere on my wifes laptop. I only do updates monthly on her machine, as it is safely behind firewalls and only does email and browser stuff. I have never had audio problems on this laptop, Centos just worked from day one - even the wireless. It appears that the 5.5 kernels and related audio driver snd-hda-intel do not function. If I reboot into 2.6.18-164.15.1.el5.centos.plus all is well. $ cat /proc/asound/cards 0 [Intel ]: HDA-Intel - HDA Intel HDA Intel at 0x80000000 irq 169 1 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804 USB Device 0x46d:0x804 at usb-0000:00:1d.7-3, high speed Neither 2.6.18-194.3.1.el5.centos.plus or 2.6.18-194.8.1.el5.centos.plus have functioning sound. on these kernels I get $ cat /proc/asound/cards 0 [U0x46d0x804 ]: USB-Audio - USB Device 0x46d:0x804 USB Device 0x46d:0x804 at usb-0000:00:1d.7-3, high speed yet lsmod shows <snip> snd_hda_intel 472337 0 snd_seq_dummy 7877 0 snd_seq_oss 32577 0 snd_seq_midi_event 11073 1 snd_seq_oss snd_seq 49585 5 snd_seq_dummy,snd_seq_oss,snd_seq_midi_event snd_pcm_oss 42817 0 snd_usb_audio 77761 2 snd_mixer_oss 19009 1 snd_pcm_oss snd_pcm 72133 3 snd_hda_intel,snd_pcm_oss,snd_usb_audio snd_usb_lib 19137 1 snd_usb_audio snd_rawmidi 26561 1 snd_usb_lib snd_timer 24517 2 snd_seq,snd_pcm snd_page_alloc 14281 2 snd_hda_intel,snd_pcm snd_seq_device 11725 4 snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi snd_hwdep 12869 2 snd_hda_intel,snd_usb_audio snd 55749 15 snd_hda_intel,snd_seq_oss,snd_seq,snd_pcm_oss,snd_usb_audio,snd_mixer_oss,snd_pcm,snd_rawmidi,snd_timer,snd_seq_device,snd_hwdep soundcore 11553 1 snd So I remembered the bug rh introduced with the 194 kernels and nvidia chipsets (not my case but I'm desperate) and added the enable_msi=0 so that my modprobe.conf is now <snip> options snd cards_limit=8 alias snd-card-0 snd-hda-intel options snd-hda-intel index=0 enable_msi=0 but it still will not work. <rant> I am getting frustrated at the retrograde steps that seem to be hitting kernel and 5.x upgrades lately. yum update used to just work, get me the latest patches and all was well - after all that is why I use Centos. </rant> I have tried modprobe -r to remove and reload module but to no avail. Anyone have any ideas as to what I try next? Google has not given me any ideas yet. TIA

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postgresql copy to and selinux
by Marcelo Roccasalva 25 Jul '10

25 Jul '10

I need to run a "copy table to '/home/user/dir/copy.txt';" but I get permission denied. Filesystem dir modes are ok and I get no event logged in audit.log, but if I setenforce 0, I can do the copy. This explains auditd silence: # sesearch --audit |egrep postgres.*home dontaudit postgresql_t user_home_dir_t : dir { getattr search }; dontaudit postgresql_t home_root_t : dir { getattr search }; I changed the "dir" type to tmpfs_t and I could write with "\copy" but not with "copy". Anyway, what are the best practices to allow postgresql "copy to" a subdirectory of a home directory (without disabling selinux)? I'm running centos 5.5. -- Marcelo "¿No será acaso que ésta vida moderna está teniendo más de moderna que de vida?" (Mafalda)

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install on raid1
by Wessel | Postoffice 25 Jul '10

25 Jul '10

Hi All, I'm currently trying to install centos 5.4 x86-64bit on a raid 1, so if one the 2 disks fails the server will still be available. i installed grub on /dev/sda using the advanced grub configuration option during the install. after the install is done i boot in linux rescue mode , chroot the filesystem and copy grub to both drives using: grub>root (hd0,0) grub>setup (hd0) grub>root (hd1,0 grub>setup (hd1) grub>quit then reboot, but is still get the error : disk boot faillure, insert linux install disk. does anyone now what i'm doing wrong? here is a copy of my partition scheme. Disk /dev/sda: 251.0 GB, 251000193024 bytes 255 heads, 63 sectors/track, 30515 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 38 305203+ fd Linux raid autodetect /dev/sda2 39 675 5116702+ fd Linux raid autodetect /dev/sda3 676 30515 239689800 fd Linux raid autodetect Disk /dev/sdb: 251.0 GB, 251000193024 bytes 255 heads, 63 sectors/track, 30515 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 * 1 38 305203+ fd Linux raid autodetect /dev/sdb2 39 675 5116702+ fd Linux raid autodetect /dev/sdb3 676 30515 239689800 fd Linux raid autodetect Disk /dev/md1: 5239 MB, 5239406592 bytes 2 heads, 4 sectors/track, 1279152 cylinders Units = cylinders of 8 * 512 = 4096 bytes Disk /dev/md0: 312 MB, 312410112 bytes 2 heads, 4 sectors/track, 76272 cylinders Units = cylinders of 8 * 512 = 4096 bytes Disk /dev/md2: 245.4 GB, 245442281472 bytes 2 heads, 4 sectors/track, 59922432 cylinders Units = cylinders of 8 * 512 = 4096 bytes Regards, Wessel

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KVM iptables rules
by Silviu Hutanu 25 Jul '10

25 Jul '10

After I installed kvm I noticed that some rules are appended automatically by some tools that come with kvm packages(I installed all KVM group with yum) . The problem is that after I appended my rules I and used the /etc/init.d/iptables script to save changes in /etc/sysconfig/iptables I saw that after restarted the machine that tool appended the rules once again ... so now I have double entries for kvm rules. Does anyone know how can I block this mysterious tool to append rules in my tables ? Kind Regards, Silviu Hutanu

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cpuspeed: missing drivers ???
by ken 25 Jul '10

25 Jul '10

One problem I've discovered in cpuspeed is that there are drivers missing: # cd /lib/modules/2.6.18-194.8.1.el5/kernel/drivers/cpufreq # ll total 72 -rwxr--r-- 1 root root 14408 Jul 1 21:40 cpufreq_conservative.ko -rwxr--r-- 1 root root 16168 Jul 1 21:40 cpufreq_ondemand.ko -rwxr--r-- 1 root root 7624 Jul 1 21:40 cpufreq_powersave.ko -rwxr--r-- 1 root root 12524 Jul 1 21:40 cpufreq_stats.ko Or is this what everyone has? # uname -rmops Linux 2.6.18-194.8.1.el5 i686 i686 GNU/Linux -- Find research and analysis on US healthcare, health insurance, and health policy at: <http://healthpolicydaily.blogspot.com/>

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Small Business support for *nix systems in Spain
by Kurt Hansen 24 Jul '10

24 Jul '10

Hello, This message just came across on another mailing list I am on. The little dig on Unix as being old and Windows being new got me annoyed so I wanted to reply, but with some real contacts that he asks for at the end. I figured there might be some folks who could help him out. Feel free to reply on list or to me, and I will forward on your contact info. Message follows: " Our company has 30 shops that connect to a central server where the point -of-sale software runs, and is currently operating on Unix (it´s an old system we acquired when we bought another company). It seems obvious we have to replace this Unix architecture with something more modern (and better able to manage our growing needs). The computer consultants we work with have suggested two options: - Moving to Windows Terminal server (cheaper) - Moving to Citrix with virtualized servers (more expensive but apparently much faster and more powerful). Does anybody have any experience wotking on Citrix (or Windows Terminal Server) and have any views on them? Are there better options available for small to mid sized companies (we currently have 50 or so users logging it but expect to grow to 150-200 relatively quickly). Finally does anyone have any contacts in Spain that you coud recommend for something like this? " End of quoted message. Take care, Kurt Hansen CharityWeb

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Discuss July 2010