Discuss February 2011

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267 participants
208 discussions

Re: [CentOS] Kernel Errors Present...
by Keith Roberts 01 Feb '11

01 Feb '11

On Wed, 12 Jan 2011, John R Pierce wrote: > > To: centos(a)centos.org > From: John R Pierce <pierce(a)hogranch.com> > Subject: Re: [CentOS] Kernel Errors Present... > > >> In the BIOS I turn DMA off for /dev/hda and /dev/hdc, >> but they still show up in /proc/ide/.../settings as >> using_dma 1. > > > say HUH? IDE PIO modes are like 3-7 MBytes/sec and require 100% CPU > utilization during the transfer phase. why in dogs name would you be > doing this in 2011 ? ...snip... > January 12, 2011 06:26PM > Use the modern, 80 wire cables, and trust the technology - > it's come a long way. Thanks for all the replies concerning this. I have bought an off-the-shelf 24" round ATA 133 IDE cable, and installed that in place of the 40-wire cable. The problem now appears to be fixed. Been keeping an eye on my logwatch emails, and they are no longer reporting this problem. Kind Regards, Keith Roberts ----------------------------------------------------------------- Websites: http://www.karsites.net http://www.php-debuggers.net http://www.raised-from-the-dead.org.uk All email addresses are challenge-response protected with TMDA [http://tmda.net] -----------------------------------------------------------------

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How to relocate $HOME directory
by Soo-Hyun Choi 01 Feb '11

01 Feb '11

Hi there, As you know, $HOME is generally located at "/home/$username" by default. I would like to re-locate all users' $HOME directories to something like "/export/home/$username" without having a hassle/trouble. Initially, I've thought of just copying them to the new directory (under /export/home/xxx), but guessed it might trouble for the normal use (I'm pretty new to CentOS, although many experiences with Debian/Ubuntu). Is there any good tricks (or caveats) when moving users' home directory cleanly with CentOS? (I'm with CentOS 5.5 x86_64) Cheers, Soo-Hyun

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syslog socket limit
by Xinhuan Zheng 01 Feb '11

01 Feb '11

Hi, Syslogd has an option "-a socket". According to man page, this additional sockets is limited to 19. Currently I do need to have more than 19 sockets that syslogd needs to listen on. How can I accomplish that if I don't want to change syslogd.c code? Thanks, - xinhuan

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centos 4.8 or centos 5.5 for server is great?
by Yang Yang 01 Feb '11

01 Feb '11

hi,i am new guy for linux world i made a server (centos5.5 8g ram 300g*2 sas 15k harddisc ),but some my friend use linux feveral years advise me use centos 4.8,he said it is much good than centos 5.5 it is trouble me ,is it newest is good than older? please give me some advice Thanks all

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sshd problem
by Yang Yang 01 Feb '11

01 Feb '11

my server is on centos 5.5,it is just a new reinstall system i build a php depend on server and used nginx,php,mysql ssh is default 22 port The system perfomance good a few time.but it is always happen a problem only need hardware reboot to solve.the server is on idc.so i can not see the local screen information. the appearance is: 1.it can not use ssh to connect,it show server is down or rebooting 2.ping is ok 3.http can show nginx's information(nginx/0.8.46),but can not load right page,and it show 403 forbiden page i use another server use ssh -vv xxx.xxx.xxx.xxx,and the responce is: SSH2_MSG_KEXINIT sent close sshd hangs after SSH2_MSG_KEXINIT sent i do not know what happen,please give me a good answer thanks erverbody

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python-dbus
by David McGuffey 01 Feb '11

01 Feb '11

What is this all about? Seems to be related to my attempt to load hplip-3.10.9 to support an HP Photosmart 3210 all-in-one for scanning through saned. from /var/log/messages: Jan 31 20:07:26 desk python: [2851]: error: dbus failed to load (python-dbus ver. 0.80+ required). Exiting... Jan 31 20:07:49 desk python: hp-systray[3402]: warning: Qt/PyQt 4 initialization failed. When I check for python-dbus with yum, it doesn't show in the nomal mirrors. [root@desk log]# yum info python-dbus Loaded plugins: fastestmirror, priorities Loading mirror speeds from cached hostfile * addons: mirrors.finalasp.com * base: yum.singlehop.com * centosplus: mirror.web-ster.com * extras: mirrors.finalasp.com * rpmforge: fr2.rpmfind.net * updates: mirror.trouble-free.net addons | 951 B 00:00 base | 2.1 kB 00:00 centosplus | 1.9 kB 00:00 extras | 2.1 kB 00:00 rpmforge | 1.1 kB 00:00 updates | 1.9 kB 00:00 Excluding Packages in global exclude list Finished 202 packages excluded due to repository priority protections Error: No matching Packages to list [root@desk log]#

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OT: Recommendations for a virtual storage server
by carlopmart 01 Feb '11

01 Feb '11

Hi all, I need to install a virtual machine acting as a virtual storage server under CentOS 5.x (using kvm, xen, virtualbox or vmware). This virtual storage machine needs to server storage to another ESXi server and at the same time to the host where is installed. This is due to the limitations of hardware I have available. Both hosts needs to server several machines. It is very important that the virtual machine consumes the least resources possible (host has 5GB RAM and i need to run three virtual machines minimum, including this storage server as a virtual machine). What can be better solution: CentOS, NexentaStor, openfiler ...?? Many thaks. -- CL Martinez carlopmart {at} gmail {d0t} com

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Groups
by Jason S-M 01 Feb '11

01 Feb '11

Hi All, On one of my servers I have a personal account and root. I disable root for ssh logins and run ssh on an alternative port. When 'scp'ing files I usually scp them up, then ssh in 'su' root and move them to /var/www/html. I can sftp I realize, but what group can I add my personal account to, but not root, so I can sftp in and put the files in /var/www/html? Secondarily /var/www/html/<my website> is owned by root:root, can I change this to something else so my sftp'ing is easier? apache:apache as owner? -Jason

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Discuss February 2011