[CentOS] how to unmount an NFS share when the NFS server is unavailable?

Hi All, How do I unmount an NFS share when the NFS server is unaivalable? I tried "umount /bck" but it "hangs" indefinitely "umount -f /bck" tells me the mount if busy and I can't unmount it: root@saturn:[~]$ umount -f /bck umount2: Device or resource busy umount: /bck: device is busy umount2: D

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

Hi, On 1/26/11 5:23 PM, Rudi Ahlers wrote: > Hi All, > > How do I unmount an NFS share when the NFS server is unaivalable? > > I tried "umount /bck" but it "hangs" indefinitely > "umount -f /bck" tells me the mount if busy and I can't unmount it: Try: umount -f -l /bck HTH, -- - Edwin - m

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, Jan 26, 2011 at 10:32 AM, Edo wrote: > Hi, > > On 1/26/11 5:23 PM, Rudi Ahlers wrote: >> Hi All, >> >> How do I unmount an NFS share when the NFS server is unaivalable? >> >> I tried "umount /bck" but it "hangs" indefinitely >> "umount -f /bck" tells me the mount if busy and I can't unmoun

[CentOS] Basic Permissions Questions

Hi List :) So, I have a folder1, its owner is user1 who has r+w on the folder. User2 is the group owner who only has read access (when I say user2, I mean the group called user2, because when you make a new user the OS can make them their own group). You can see these permissions below: [user2@ho

Re: [CentOS] Basic Permissions Questions

Hi :) On Wed, Jan 26, 2011 at 11:12 AM, James Bensley wrote: > Hi List :) > > So, I have a folder1, its owner is user1 who has r+w on the folder. > User2 is the group owner who only has read access (when I say user2, I > mean the group called user2, because when you make a new user the OS > can m

Re: [CentOS] Basic Permissions Questions

On 26 January 2011 10:17, Rafa Griman wrote: > Directories should have +x permissions. Do a: > > chmod    0750    /directory > > And see what happens. > Hi Rafa, like a fool I sent that email and then worked this out shortly after :) Still, if I hadn't your response was quick so I wouldn't have

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

Rudi Ahlers ha scritto: > On Wed, Jan 26, 2011 at 10:32 AM, Edo wrote: > > How does one mount an NFS share, to avoid system timeouts when the > remove NFS server is offline? > I would use a different approach: use autofs, then the share is mounted "on the fly" only when needed, and unmounted aft

Re: [CentOS] Basic Permissions Questions

Hi :) On Wed, Jan 26, 2011 at 11:31 AM, James Bensley wrote: > On 26 January 2011 10:17, Rafa Griman wrote: >> Directories should have +x permissions. Do a: >> >> chmod    0750    /directory >> >> And see what happens. >> > > Hi Rafa, like a fool I sent that email and then worked this out > shor

Re: [CentOS] Basic Permissions Questions

Hi, On Jan 26, 2011, at 7:31 PM, James Bensley wrote: > On 26 January 2011 10:17, Rafa Griman wrote: >> Directories should have +x permissions. Do a: >> >> chmod0750/directory >> >> And see what happens. >> > > Hi Rafa, like a fool I sent that email and then worked this out > shortl

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

Hi, On Jan 26, 2011, at 5:50 PM, Rudi Ahlers wrote: > On Wed, Jan 26, 2011 at 10:32 AM, Edo wrote: >> Hi, >> >> On 1/26/11 5:23 PM, Rudi Ahlers wrote: >>> Hi All, >>> >>> How do I unmount an NFS share when the NFS server is unaivalable? >>> >>> I tried "umount /bck" but it "hangs" indefinite

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, Jan 26, 2011 at 12:41 PM, Lorenzo Quatrini wrote: > Rudi Ahlers ha scritto: >> On Wed, Jan 26, 2011 at 10:32 AM, Edo wrote: >> >> How does one mount an NFS share, to avoid system timeouts when the >> remove NFS server is offline? >> > I would use a different approach: use autofs, then the

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Wed, 2011-01-26 at 18:44 +1100, Les Bell wrote: > Paul, if you want a basic explanation of the rationale behind the Linux > Filesystem Hierarchy Standard, you might enjoy this article from a course I > wrote years ago - it's a little dated, but still applicable today. > > http://www.lesbell.c

Re: [CentOS] Basic Permissions Questions

Edo wrote: >> If user1 writes a file in folder1 will user2 be made the default group owner, is there a way of enforcing this and with the required privileges (r for files, rx for directories?). Yes. If user1 belongs to the user2 group, that’s how it should [already] work

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, 26 Jan 2011, Rudi Ahlers wrote: > That won't really work. The NFS clients run cPanel and we need a way > for end-users to have full access to their backups all the time. We > used to run backup over FTP, but then when a client wanted to restore > data one of the techs first had to download

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On 1/26/11 5:35 AM, Rudi Ahlers wrote: > On Wed, Jan 26, 2011 at 12:41 PM, Lorenzo Quatrini > wrote: >> Rudi Ahlers ha scritto: >>> On Wed, Jan 26, 2011 at 10:32 AM, Edo wrote: >>> >>> How does one mount an NFS share, to avoid system timeouts when the >>> remove NFS server is offline? >>> >> I w

Re: [CentOS] Basic Permissions Questions

On 01/26/2011 04:31 AM, James Bensley wrote: > On 26 January 2011 10:17, Rafa Griman wrote: >> Directories should have +x permissions. Do a: >> >> chmod0750/directory >> >> And see what happens. >> > > Hi Rafa, like a fool I sent that email and then worked this out > shortly after :) > > S

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, 26 Jan 2011, Les Mikesell wrote: >> That won't really work. The NFS clients run cPanel and we need a >> way for end-users to have full access to their backups all the >> time. We used to run backup over FTP, but then when a client wanted >> to restore data one of the techs first had to

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, Jan 26, 2011 at 4:10 PM, Paul Heinlein wrote: > On Wed, 26 Jan 2011, Les Mikesell wrote: > >>> That won't really work. The NFS clients run cPanel and we need a >>> way for end-users to have full access to their backups all the >>> time. We used to run backup over FTP, but then when a clien

Re: [CentOS] libsrtp package anywhere?

On Tue, 2011-01-25 at 17:07 -0500, Bob Beers wrote: It's your build environment that's the problem. They build for el5. Clean out your build root and recreate it and do a fresh .rpmmacros file. John Wrote: /home/ethan/rpmbuild/SRPMS/libsrtp-1.4.4-2.20101004cvs.el5.em2.src.rpm Wrote: /home/et

Re: [CentOS] Basic Permissions Questions

Thanks to all for your replies; the ability to set the group ID (SGID) was the solution I needed, thanks very much guys :D -- Regards, James. http://www.jamesbensley.co.cc/ There are 10 kinds of people in the world; Those who understand Vigesimal, and J others...? __

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Wed, Jan 26, 2011 at 1:01 AM, Always Learning wrote: [...] > .fs >        # /bin/bash >        find /data -iwholename *$1 >        find /ax -iwholename *$1 >        find /bx -iwholename *$1 >        find /cx -iwholename *$1 > > Obviously with the chmod +x.  The last one makes searching times mu

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Tue, Jan 25, 2011 at 10:55 PM, Always Learning wrote: > > On Tue, 2011-01-25 at 14:25 -0800, Benjamin Smith wrote: > >> On Tuesday, January 25, 2011 11:20:34 am Always Learning wrote: >> > Then one day a big bad wolf called Oracle of very expensive Oracle SQL >> > fame swallowed Red Hat, like t

Re: [CentOS] libsrtp package anywhere?

On Wed, 2011-01-26 at 09:38 -0500, JohnS wrote: > On Tue, 2011-01-25 at 17:07 -0500, Bob Beers wrote: > > It's your build environment that's the problem. They build for el5. > > Clean out your build root and recreate it and do a fresh .rpmmacros > file. > > John > > Wrote: /home/ethan/rpmbuil

Re: [CentOS] libsrtp package anywhere?

On Wed, 2011-01-26 at 11:02 -0500, JohnS wrote: > The problem is RPM is trying to install into the main file system > whereas el5 rpm does not need an incantation like so. I mean el6 sorry.. John ___ CentOS mailing list CentOS@centos.org http://lists.

Re: [CentOS] libsrtp package anywhere?

On Wed, Jan 26, 2011 at 9:38 AM, JohnS wrote: > Hi John, Thanks for the response! > On Tue, 2011-01-25 at 17:07 -0500, Bob Beers wrote: > > It's your build environment that's the problem.  They build for el5. > > Clean out your build root and recreate it and do a fresh .rpmmacros > file. I'm

Re: [CentOS] libsrtp package anywhere?

LOL, looks like our messages crossed in the ether, I applied a patch very similar to your suggestion: $ diff -pub libsrtp.spec libsrtp.spec.el5 --- libsrtp.spec2010-12-06 11:13:59.0 -0500 +++ libsrtp.spec.el52011-01-26 11:11:45.0 -0500 @@ -18,6 +18,8 @@ Source1: l

Re: [CentOS] libsrtp package anywhere?

On Wed, 2011-01-26 at 11:01 -0500, Bob Beers wrote: > DESTDIR=/home/ethan/rpmbuild/BUILDROOT/libsrtp-1.4.4-2.20101004cvs.el5.em2.x86_64 Yea that probally confuses you and a lot of people. Pay that no mind. :-) > Where/how is %{buildroot} defined in your build environment? > Are you building on

Re: [CentOS] pen drive, hard disk, cd not being detected

Among many messages that 'dmesg' displays, the following seems to indicate that something might be wrong: mtrr:type mismatch for c1fe,1 old:write-back new:write-combining I can't understand what does the above mean? ___ CentOS mailing list CentOS

Re: [CentOS] ethernet configuration

'/sbin/ifconfig -a' returns: lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 UP LOOPBACK RUNNING MTU :16436 Metric:1 RX packets:1489 errors:0 dropped:0 overruns:0 frame:0 TX packets:1489 errors:0 dropp

Re: [CentOS] pen drive, hard disk, cd not being detected

The problem occurred after I downloaded and compiled the package for enabling wireless on the laptop from the site ' www.broadcom.com/support/802.11/linux_sta.php' which I got to know from the site 'wiki.centos.org/HowTos/Laptops/Wireless/Broadcom' ___ Ce

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Wed, Jan 26, 2011 at 05:37:48AM +, Always Learning wrote: > > On Wed, 2011-01-26 at 13:27 +0800, Christopher Chan wrote: > > > Surely you mean stuff from the rising sun Illumos and OpenIndiana! > > Nope. Not convinced by what I read about them. > > Still have my unused Open Solaris disk

[CentOS] how to move forward/undo/revert/fix re: a failed CentOS 5.5 to SL 5.5 migration ...

For various reasons which seemingly fail the necessary/sufficient tests with the benefit of hindsight, I attempted to migrate a shell machine which is the beach front from which I work (not a production server) from CentOS 5.5 to Scientific Linux 5.5 yesterday. Karanbir is quoted on this list as h

Re: [CentOS] pen drive, hard disk, cd not being detected

On 01/26/11 8:53 AM, Ritika Garg wrote: > The problem occurred you need to find a better email program for participating on lists. you posted 3 emails this morning none of which have a Referencers: header, or any quoted context, so they ended up unthreaded. now, my 'Centos" folder has 3

Re: [CentOS] libsrtp package anywhere?

On Wed, Jan 26, 2011 at 11:04 AM, JohnS wrote: > > On Wed, 2011-01-26 at 11:02 -0500, JohnS wrote: >> The problem is RPM is trying to install into the main file system >> whereas el5 rpm does not need an incantation like so. > > I mean el6 sorry.. > > John Yep, that make sense. For completeness,

Re: [CentOS] libsrtp package anywhere?

On Wed, 2011-01-26 at 11:35 -0500, Bob Beers wrote: > On Wed, Jan 26, 2011 at 11:04 AM, JohnS wrote: "+rm -rf %{buildroot}" Now I know you rebuild it more than one time instead of once. ___ CentOS mailing list CentOS@centos.org http://lists.centos.o

Re: [CentOS] #!/bin/csh -v not work on CENTOS 5.5

mcclnx mcc writes: > > We have several "csh" batch scripts using "#!/bin/csh -v". It work fine, before Centos 5.5. After cenos > 5.5, it will NOT execute and only list history. > > Anyone know why? > > Thanks. > Actually, the script is executed: [dave@fraud ~/bin]# ./ctest.csh echo "this

Re: [CentOS] libsrtp package anywhere?

On Wed, Jan 26, 2011 at 1:24 PM, JohnS wrote: > > On Wed, 2011-01-26 at 11:35 -0500, Bob Beers wrote: >> On Wed, Jan 26, 2011 at 11:04 AM, JohnS wrote: > > "+rm -rf %{buildroot}" > > Now I know you rebuild it more than one time instead of once. > Well, it is recommended in the same fedoraproject

Re: [CentOS] ethernet configuration

>'/sbin/ifconfig -a' returns: >lo Link encap:Local Loopback Your system is not seeing your network cards. It is only seeing your loopback device. I opened system->administration->network->edit->hardware device, and deleted the mac address from the box, and pressed Probe.

Re: [CentOS] pen drive, hard disk, cd not being detected

and please switch off HTML, thanks! Kai ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] How to disable screen locking system-wide?

on 13:11 Fri 21 Jan, Michael Gliwinski (michael.gliwin...@henderson-group.com) wrote: > On Thursday 20 Jan 2011 22:26:08 Bob Eastbrook wrote: > > On Wed, Jan 19, 2011 at 12:18 PM, wrote: > > > But the locked screensaver wants the *same* password that you log in > > > with. I'm having trouble und

Re: [CentOS] #!/bin/csh -v not work on CENTOS 5.5

On 27/01/2011, at 7:27 AM, David G. Miller wrote: > chmod -R g+rx,o+rx Nelson/ > > cd What is the result of 'cd' (a shell-internal command) in this version of tcsh? It is the same as in sh? > The history is listed for some reason after the script (in the above example > starting with the chmo

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

on 10:23 Wed 26 Jan, Rudi Ahlers (r...@softdux.com) wrote: > Hi All, > > How do I unmount an NFS share when the NFS server is unaivalable? > > I tried "umount /bck" but it "hangs" indefinitely > "umount -f /bck" tells me the mount if busy and I can't unmount it: > > root@saturn:[~]$ umount -f /b

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On 1/26/2011 4:55 PM, Dr. Ed Morbius wrote: > > The specific solution is 'umount -fl'. > > The general solution's a little stickier. > > I'd suggest the automount route as well (you're only open to NFS issues > while the filesystem is mounted), but you then have to maintain > automount maps and run

[CentOS] Package updates for 5.4?

We're running a large cluster, and are leery of upgrading them all to 5.5, but would like to find the latest security patches. Is there a repo for this? I can't seem to find a 5.4 specific update repo with anything since last March. Is 5.4 EOL'd? Thanks, -- Mitch _

Re: [CentOS] Package updates for 5.4?

On 01/26/11 5:35 PM, Mitch Patenaude wrote: > We're running a large cluster, and are leery of upgrading them all to > 5.5, but would like to find the latest security patches. > > Is there a repo for this? I can't seem to find a 5.4 specific update > repo with anything since last March. Is 5.4 E

Re: [CentOS] Package updates for 5.4?

Can you tell us more about you cluster? Nodes? Purpose? I managed a small 90 node cluster for seismic work. Gene Sent from my iPhone On Jan 26, 2011, at 7:39 PM, John R Pierce wrote: > On 01/26/11 5:35 PM, Mitch Patenaude wrote: >> We're running a large cluster, and are leery of upgrading the

Re: [CentOS] Package updates for 5.4?

On Wed, Jan 26, 2011 at 5:42 PM, Gene wrote: > Can you tell us more about you cluster? Nodes? Purpose? I managed a small > 90 node cluster for seismic work. > 300+ nodes total, 200 in a hadoop cluster used for mapreduce, the rest in a variety of headless datacenter roles (web, mail, database, ba

Re: [CentOS] Package updates for 5.4?

Our application vendors dictated version an patches. The system did what it was designed. That was its purpose in life. Sent from my iPhone On Jan 26, 2011, at 7:51 PM, Mitch Patenaude wrote: > > > On Wed, Jan 26, 2011 at 5:42 PM, Gene wrote: > Can you tell us more about you cluster? Nodes

[CentOS] Help - Seeking recommendations-script to install on CENT OS web server for backup to Network Attached Storage

Hello: I wanted to know if anyone on the list can recommend one or more scripts to install on a CENT OS web server that allows you to back up the entire box to network attached storage? Many thanks, Steve Eisenberg steve.eisenb...@gmail.com ___ CentOS m

Re: [CentOS] Package updates for 5.4?

On Wed, 26 Jan 2011 17:51:51 -0800 Mitch Patenaude wrote: > without having to change versions. Upgrading to 5.6 would likely > involve upgrading several core packages (mysql, ruby, python, bind, > even glibc and the kernel). Is this a pipe dream? Shouldn't be. I never think of point releases as

Re: [CentOS] Package updates for 5.4?

On 01/26/11 5:51 PM, Mitch Patenaude wrote: > > > On Wed, Jan 26, 2011 at 5:42 PM, Gene > wrote: > > Can you tell us more about you cluster? Nodes? Purpose? I managed > a small 90 node cluster for seismic work. > > > 300+ nodes total, 200 in a hadoop cluster u

Re: [CentOS] Package updates for 5.4?

On 1/26/2011 8:35 PM, Mitch Patenaude wrote: We're running a large cluster, and are leery of upgrading them all to 5.5, but would like to find the latest security patches. Is there a repo for this? I can't seem to find a 5.4 specific update repo with anything since last March. Is 5.4 EOL'd?

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Wed, 2011-01-26 at 09:58 -0500, Brian Mathis wrote: > You may not be aware of the "locate" command? Nightly there is a job > that runs (updatedb) that scans the disk and saves file locations. > Locate searches this database instead of you have to do a 'find'. The > only thing it won't get ar

Re: [CentOS] Help - Seeking recommendations-script to install on CENT OS web server for backup to Network Attached Storage

On Wed, Jan 26, 2011 at 8:57 PM, Steve Eisenberg wrote: > Hello: > > I wanted to know if anyone on the list can recommend one or more scripts to > install on a CENT OS web server that allows you to back up the entire box to > network attached storage? > > Many thanks, > Steve Eisenberg > steve.eis

[CentOS] SSH Automatic Log-on Failure - Centos 5.5

Hallo, I wanted to avoid typing-in my password every occasion I remotely logged-on to a server. I created my SSH keys and copied the public part to the server and renamed it authorized_keys. My command line is: ssh r...@xx.com -p 1234 The output shows the logging-on routine wants 3 types of

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Thu, Jan 27, 2011 at 1:26 AM, Les Mikesell wrote: > On 1/26/2011 4:55 PM, Dr. Ed Morbius wrote: >> >> The specific solution is 'umount -fl'. >> >> The general solution's a little stickier. >> >> I'd suggest the automount route as well (you're only open to NFS issues >> while the filesystem is m

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On Thu, Jan 27, 2011 at 12:15 PM, Always Learning wrote: > Hallo, > > I wanted to avoid typing-in my password every occasion I remotely > logged-on to a server. > you expect Passwordless SSH. If so, On your PC # ssh-keygen -t rsa ( passphrase should be empty ) Generating public/priva

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On 01/26/11 10:57 PM, Rudi Ahlers wrote: > > BackupPC doesn't intergrate into cPanel. cpanel is pure crap. ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Thu, Jan 27, 2011 at 9:05 AM, John R Pierce wrote: > On 01/26/11 10:57 PM, Rudi Ahlers wrote: >> >> BackupPC doesn't intergrate into cPanel. > > > cpanel is pure crap. > > > And you are any better? -- Kind Regards Rudi Ahlers SoftDux Website: http://www.SoftDux.com Technical Blog: http://

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On 27/01/2011, at 7:45 PM, Always Learning wrote: > Hallo, > > I wanted to avoid typing-in my password every occasion I remotely > logged-on to a server. > > I created my SSH keys and copied the public part to the server and > renamed it authorized_keys. >

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On Thu, Jan 27, 2011 at 2:03 AM, Indunil Jayasooriya wrote: > > > On Thu, Jan 27, 2011 at 12:15 PM, Always Learning wrote: >> >> Hallo, >> >> I wanted to avoid typing-in my password every occasion I remotely >> logged-on to a server. > > > > you expect Passwordless SSH. If so, > > > On your PC >

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On Thu, Jan 27, 2011 at 2:35 AM, Cameron Kerr wrote: > > On 27/01/2011, at 7:45 PM, Always Learning wrote: > >> Hallo, >> >> I wanted to avoid typing-in my password every occasion I remotely >> logged-on to a server. >> >> I created my SSH keys and copied the public part to the server and >> renam

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On Thu, Jan 27, 2011 at 2:46 AM, Nico Kadel-Garcia wrote: > On Thu, Jan 27, 2011 at 2:35 AM, Cameron Kerr wrote: >> >> On 27/01/2011, at 7:45 PM, Always Learning wrote: >> >>> Hallo, >>> >>> I wanted to avoid typing-in my password every occasion I remotely >>> logged-on to a server. >>> >>> I cre

Re: [CentOS] how to unmount an NFS share when the NFS server is unavailable?

On Wed, 26 Jan 2011, Dr. Ed Morbius wrote: > I'd suggest the automount route as well (you're only open to NFS issues > while the filesystem is mounted), but you then have to maintain > automount maps and run the risk of issues with the automounter (I've > seen large production environments in whic

Re: [CentOS] Recommendation for a Linux alternative to Centos - ATH9K disaster

On Thu, 27 Jan 2011, Always Learning wrote: > Thanks for the explanation. Now I know why locate never usually worked > for me - it hadn't updated. > > find is fast, especially when I restrict the search paths. But locate is faster still, in all but the smallest of cases. I'd only tend to use fin

Re: [CentOS] SSH Automatic Log-on Failure - Centos 5.5

On Thu, 27 Jan 2011, Nico Kadel-Garcia wrote: > Wrong again. Never use public key access for root accounts, it simply > compounds the security risks. Passphrase protected SSH keys can be > used, reasonably, for account access on other hosts, but should be > avoided for root access. If you *HAVE* t