[CentOS-docs] OS Hardening typo?

2011-06-16 Thread Cody Jackson
Hi all; On OS Hardening ( http://wiki.centos.org/HowTos/OS_Protection ) there's a section on Physical Protection that includes requiring a single-user mode password. There's four lines that look something like this: echo Require the root pw when booting into single user mode /etc/inittab echo

Re: [CentOS-docs] OS Hardening typo?

2011-06-16 Thread Alan Bartlett
On 16 June 2011 08:26, Cody Jackson supertanke...@gmail.com wrote: On OS Hardening ( http://wiki.centos.org/HowTos/OS_Protection ) there's a section on Physical Protection that includes requiring a single-user mode password. There's four lines that look something like this: echo Require the

[CentOS-docs] OS Hardening typo?

2011-06-16 Thread R P Herrold
On Thu, 16 Jun 2011, Alan Bartlett wrote: On 16 June 2011 08:26, Cody Jackson supertanke...@gmail.com wrote: perl -npe 's/ca::ctrlaltdel:\/sbin\/shutdown/#ca::ctrlaltdel:\/sbin\/shutdown/' -i /etc/inittab I think God kills a kitten whenever perl is invoked when simple sed would do ...

[CentOS-virt] no virtual network until vnc connection

2011-06-16 Thread gisto85
Hi, I have a host with 3 guests ( 2 CentOs 1 Windows 2003 ) If I shutdown or reboot host the virtual machines starts up with no problems, If I pull down power supply when power come back host regulary startup, the vm startup ( autostart ) but vm machines network doesn't works until I connect to

[CentOS-virt] Recommendations, please

2011-06-16 Thread Steve Campbell
I've finally got a new machine coming that will allow me to play with virtualization. What might most of you recommend for the type of virtualization software I use. I seem to recall that xen might not be the best choice due to it's lack of development. I could be wrong, though. For the

Re: [CentOS-virt] Recommendations, please

2011-06-16 Thread Eric Shubert
On 06/16/2011 08:07 AM, Steve Campbell wrote: I've finally got a new machine coming that will allow me to play with virtualization. I presume this means the cpu has virtualization extensions. What might most of you recommend for the type of virtualization software I use. I seem to recall

Re: [CentOS-es] Problemas con la sincronización de discos en Centos metodo software

2011-06-16 Thread Oriol Borràs
:) de acuerdo no habia leido eso perdona. A continuación te los mando: Una question, para saber si la sincronización se hara correctamente, ambos discos han de aparecer del modo: [U,U] ?¿ mdadm --detail /dev/md0 Version: 0.90 Creation Time: Fri Jun 10 12:23 2011 Raid Level: raid1 Array Size:

Re: [CentOS-es] Problemas con la sincronización de discos en Centos metodo software

2011-06-16 Thread Oriol Borràs
Eduardo muy buenas! Te acabo de enviar un correo, però te explico gracias a los pasos que me mandaste el primer dia he conseguido lo siguiente: Te mando el cat /proc/mdstat Personalities: [raid1] Md0: active raid1 sdb1[1] sda1[0] 104320 blocks [2/2] [UU] Md1: active raid1 sdb2[1] sda2[0]

Re: [CentOS-es] Problemas con la sincronización de discos en Centos metodo software

2011-06-16 Thread Eduardo Grosclaude
2011/6/16 Oriol Borràs obor...@jsf.es: Eduardo muy buenas! Te acabo de enviar un correo, però te explico gracias a los pasos que me mandaste el primer dia he conseguido lo siguiente: Te mando el cat /proc/mdstat Personalities: [raid1] Md0: active raid1 sdb1[1] sda1[0]     104320 blocks

Re: [CentOS-es] Problemas con la sincronización de discos en Centos metodo software

2011-06-16 Thread Oriol Borràs
Tenemos un problema Eduardo y es que creo que al ser de Argentina vamos al reves en el sentido horario, es decir yo ahora ya no estoy en la oficina por lo que no puedo ver el servidor y los datos te los mandaré mañana :) Por otro lado creo que te he agregado en Linkedin, ya que va bien tener

Re: [CentOS-es] Duda sobre permisos

2011-06-16 Thread José Roberto Alas
El día 14 de junio de 2011 14:11, test t...@giron.sld.cu escribió: Deseo saber como hacer que un usuario pueda tener derecho de r,w,x sobre una carpeta y archivos de un lugar determinado ejemplo  /www  o /ftp  pero que a la vez pueda subir y bajar archivos de  ella. Si el usuario no es dueño

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-16 Thread Gordon Messmer
On 06/15/2011 05:52 PM, Ljubomir Ljubojevic wrote: Drawback is that such KVM guest is not as easy to move to another host if current host can not boot. Copying image and config files will be much faster. There is no reason that should be true. Copying 20GB out of an LV should take exactly

Re: [CentOS] Possible to use multiple disk to bypass I/O wait?

2011-06-16 Thread Gordon Messmer
On 06/15/2011 07:04 PM, Emmanuel Noobadmin wrote: Looking at some very sparse notes I made on the decision, I think what tipped the choice was that both qcow2 and lvm added overheads, but lvm was on the whole system i.e. the host has additional processing on every i/o whereas qcow2 overheads

Re: [CentOS] Possible to use multiple disk to bypass I/O wait?

2011-06-16 Thread Emmanuel Noobadmin
On 6/16/11, Gordon Messmer yiny...@eburg.com wrote: I think you were misinformed, or misled. That wouldn't be new for me as far as system administration is concerned :D LVM should not present any noticeable overhead on the host. Using raw files to back VMs presents a significant overhead to

Re: [CentOS] OT: high static in server room

2011-06-16 Thread Christopher Chan
On Thursday, June 16, 2011 12:56 PM, John R Pierce wrote: On 06/15/11 9:44 PM, Fajar Priyanto wrote: On Thu, Jun 16, 2011 at 11:28 AM, Mike Williamsdmikewilli...@gmail.com wrote: Low humidity would be my first guess. The relative humidity in your server room should be between 50% +/- 10%.

Re: [CentOS] Odd issue with custom udev rule at boot

2011-06-16 Thread James Pearson
James A. Peltier wrote: BTW: Can anyone try this to see if it is in fact a bug or not? Create a file called /etc/udev/rules.d/99-udev-override.rules that contains KERNEL==tty[A-Z]*, GROUP=some_other_group_than_uucp, MODE=0660, OPTIONS=last_rule with mode of 0644 reboot and

Re: [CentOS] OT: high static in server room

2011-06-16 Thread Emmanuel Noobadmin
On 6/16/11, John R Pierce pie...@hogranch.com wrote: actually, its 40-60%, I believe. and you should have a humidifier as part of your A/C, since cooling air sucks the moisture out of it. I would NOT rely on a fishtank to provide any significant humidity. Well, can't be so sure the fish

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Tom H
On Wed, Jun 15, 2011 at 3:48 PM, Ron Blizzard rb4cen...@gmail.com wrote: On Wed, Jun 15, 2011 at 2:37 PM, Tom H tomh0...@gmail.com wrote: On Wed, Jun 15, 2011 at 5:58 AM, Ron Blizzard rb4cen...@gmail.com wrote: Mint/Ubuntu don't have an easy way to boot into the command line. To boot into

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Tom H
On Wed, Jun 15, 2011 at 6:04 PM, Craig White craig.wh...@ttiltd.com wrote: On Jun 15, 2011, at 12:33 PM, Tom H wrote: On Wed, Jun 15, 2011 at 4:50 AM, Craig White craigwh...@azapple.com wrote: Like RHEL/CentOS, Ubuntu LTS is absolutely appropriate for server use. In fact, it's sort of

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Tom H
On Wed, Jun 15, 2011 at 6:08 PM, Craig White craig.wh...@ttiltd.com wrote: those days will be over soon as even fedora has now switched to upstart CentOS 7 (based on upstream 7) will be a vastly different beast CentOS 7 will most probably have systemd not upstart.

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Tom H
On Wed, Jun 15, 2011 at 4:47 PM, m.r...@5-cent.us wrote: Or edit /etc/inittab to boot to runlevel 3, or just init 3 from the command line (which you can reach via ctrlalt-f1) or I think you can append 3 to the kernel line... That doesn't work on Debian/Ubuntu because runlevels 2-5 are the

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Scott Robbins
On Thu, Jun 16, 2011 at 07:17:38AM -0400, Tom H wrote: On Wed, Jun 15, 2011 at 4:47 PM, m.r...@5-cent.us wrote: Or edit /etc/inittab to boot to runlevel 3, or just init 3 from the command line (which you can reach via ctrlalt-f1) or I think you can append 3 to the kernel line... That

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-16 Thread Les Mikesell
On 6/16/11 1:56 AM, Gordon Messmer wrote: On 06/15/2011 05:52 PM, Ljubomir Ljubojevic wrote: Drawback is that such KVM guest is not as easy to move to another host if current host can not boot. Copying image and config files will be much faster. There is no reason that should be true.

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread m . roth
Scott Robbins wrote: On Thu, Jun 16, 2011 at 07:17:38AM -0400, Tom H wrote: On Wed, Jun 15, 2011 at 4:47 PM, m.r...@5-cent.us wrote: Or edit /etc/inittab to boot to runlevel 3, or just init 3 from the command line (which you can reach via ctrlalt-f1) or I think you can append 3 to the

Re: [CentOS] Config file semantics.

2011-06-16 Thread Brunner, Brian T.
centos-boun...@centos.org wrote: On 06/15/2011 10:41 PM, Mike A. Harris wrote: Personally, I find that indenting config files by 3 spaces has a lot of advantages to indenting them by 4 spaces although conventional wisdom might suggest otherwise. Who's with me on this? Three is evil, four

Re: [CentOS] Odd issue with custom udev rule at boot

2011-06-16 Thread James A. Peltier
- Original Message - | James A. Peltier wrote: | | BTW: Can anyone try this to see if it is in fact a bug or not? | | Create a file called | | /etc/udev/rules.d/99-udev-override.rules | | that contains | | KERNEL==tty[A-Z]*, GROUP=some_other_group_than_uucp, | MODE=0660,

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Laurence Hurst
On Thu, Jun 16, 2011 at 02:15:28PM +0100, m.r...@5-cent.us wrote: Scott Robbins wrote: On Thu, Jun 16, 2011 at 07:17:38AM -0400, Tom H wrote: On Wed, Jun 15, 2011 at 4:47 PM, m.r...@5-cent.us wrote: Or edit /etc/inittab to boot to runlevel 3, or just init 3 from the command line

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread m . roth
Laurence Hurst wrote: On Thu, Jun 16, 2011 at 02:15:28PM +0100, m.r...@5-cent.us wrote: Scott Robbins wrote: On Thu, Jun 16, 2011 at 07:17:38AM -0400, Tom H wrote: On Wed, Jun 15, 2011 at 4:47 PM, m.r...@5-cent.us wrote: Or edit /etc/inittab to boot to runlevel 3, or just init 3 from

Re: [CentOS] Slightly OT: First Time KVM and LVM on Centos

2011-06-16 Thread Gordon Messmer
On 06/16/2011 05:59 AM, Les Mikesell wrote: What about the destination? Wouldn't it likely be harder to find a place to put the LV copy than space to write a file? Or can you copy back and forth? Yes, you can copy the content of a partition to a file and use it that way, or the reverse.

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Gordon Messmer
On 06/16/2011 06:15 AM, m.r...@5-cent.us wrote: 2 isn't much used, except as a set of steps I think you're referring to Solaris' init. I'm not aware of any Linux init systems that start up by stepping through runlevels. ___ CentOS mailing list

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Les Mikesell
On 6/16/2011 10:43 AM, m.r...@5-cent.us wrote: runlevels, traditionally, have not been defined (although the LSB has In Linux? I mean, runlevel 3 was multi-user text mode as far back as Sun OS - I can remember putting things into 3, because X would while () { crash respawn }

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Steve Clark
On 06/16/2011 12:41 PM, Les Mikesell wrote: On 6/16/2011 10:43 AM, m.r...@5-cent.us wrote: runlevels, traditionally, have not been defined (although the LSB has In Linux? I mean, runlevel 3 was multi-user text mode as far back as Sun OS - I can remember putting things into 3, because X would

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Steve Clark
On 06/16/2011 12:58 PM, Steve Clark wrote: On 06/16/2011 12:41 PM, Les Mikesell wrote: On 6/16/2011 10:43 AM,m.r...@5-cent.us wrote: runlevels, traditionally, have not been defined (although the LSB has In Linux? I mean, runlevel 3 was multi-user text mode as far back as Sun OS - I can

Re: [CentOS] CentOS-6 Status updates

2011-06-16 Thread Geoff Galitz
No. I worked with both SCO and ISC linux in the late 80's and early 90's and run level 5 was used for X. In fact I think it was used also in DGUX for X. I don't know about ISC UNIX (aka Interactive UNIX) but SCO did not use run level 5 for X. I cut my teeth on System V UNIX including