Re: Implementing a Shared Root File System

2008-11-08 Thread Michael MacIsaac
Craig, > I have been trying to implement a R/O root file system with SLES10 SP2 The paper was based on SLES 10 "vanilla", and the changes are specific to that version, I believe. Especially, on page 36 of the paper, the modifySystem() function in the mkror.sh script has the lines: patch $TGT/etc/i

Re: SSH on SuSE 10 SP1 problem

2008-10-31 Thread Michael MacIsaac
Leland, > I haven't read the cookbook, but you really don't need to generate > the keys yourself. All you really need to do is delete all files > beginning with "ssh_host" in /etc/ssh: > > rm /etc/ssh/ssh_host* I didn't know that. This is a cleaner solution. I'll look at trying to work it and d

Re: appldata/interval

2008-10-31 Thread Michael MacIsaac
Klaus, > The "Virtualization Cookbook for SLES10 SP2", SG24-7493, > also has this example, although it correctly states that the time is in > milliseconds. Thanks for the "head's up". The example: # echo 1 > /proc/sys/appldata/interval was not in previous copies of the books, but appears to ha

Re: Cloning SuSE 10 under VM

2008-10-30 Thread Michael MacIsaac
Lea, > I have printed and looked at the Cookbook and I have a few problems > with it. We're here to serve :)) > On PG 151 it says to edit the file /etc/hostname and I do not have that > file. Hmm, I search for /etc/hostname and find two hits on pages 168 and 257 - both with "/etc/HOSTNAME". Two

Re: problems when running mksles9root.sh for SP4

2008-10-28 Thread Michael MacIsaac
> But "losetup -a" comes up empty handed. Hmm, you were showing at least /dev/loop0 being used earlier. Try making 6 mount points and mounting the 6 ISO images manually. If this fails then something may be wrong with you loopback devices. If it succeeds then something may be wrong with the script

Re: problems when running mksles9root.sh for SP4

2008-10-28 Thread Michael MacIsaac
Bernard, So you have 16 loopback devices. But I see the error: > mount: could not find any free loop device So I wonder how many of the 16 are available for use. What does "mount | grep loop" return? (I'm not sure of another way of telling which loopback devices are being used). Here's an exampl

The latest "Virtualization Cookbooks" are published

2008-10-24 Thread Michael MacIsaac
Hello lists, The latest "Virtualization Cookbooks" are now published IBM Redbooks, not drafts. They are: -) "z/VM and Linux on IBM System z The Virtualization Cookbook for SLES 10 SP2", SG24-7493 on the Web at http://www.redbooks.ibm.com/abstracts/sg247493.html -) "z/VM and Linux on IBM System z

Re: SFTP for JAVA

2008-10-11 Thread Michael MacIsaac
Eddie, > Any suggestion is a big help! I can never seem to remember how to set up key-based authentication. When I need to, I turn to section 8.5.9 in 'z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 10 SP2' on the Web at http://www.redbooks.ibm.com/redpieces/abstracts/sg24749

Re: I just can't git it

2008-10-06 Thread Michael MacIsaac
Christian, Thanks for your help. I think I "got" it :)) -) I was able to install some of the missing RPMs via zypper: # zypper install openssl-devel curl-devl sgml-skel ... -) I got the git tar file from http://kernel.org/pub/software/scm/git/git-1.6.0.2.tar.gz -) I built from source but got an

I just can't git it

2008-10-06 Thread Michael MacIsaac
Hello list, A developer told me I could "git" his code at a certain URL. Not wanting to admit that I've never used git, I decide to try it. -) I log onto a SLES 10 SP2 s390x Linux (with application development RPMs installed) and look for git => not found -) I search for git through yast => not fo

Re: 127.0.0.2 in /etc/hosts?

2008-09-16 Thread Michael MacIsaac
John, > could result in a successful lookup for gpok189 when a hardware problem > (fallen-out network cable) I still have never had my virtual network cable fall out of my virtual NIC or my virtual switch (sorry, couldn't resist :)) "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 --

Re: 127.0.0.2 in /etc/hosts?

2008-09-11 Thread Michael MacIsaac
Mark, > This causes problems with applications like SAP, which make reverse and > forward lookups to ensure it "understands" the network (security/sanity > check maybe?). It expects the IP to be on one of the interfaces it is > using for communication with other App Servers. > > For SAP the simple

Re: 127.0.0.2 in /etc/hosts?

2008-09-10 Thread Michael MacIsaac
Alan, > That smells like someone manually created it. 127.anything, not just > 127.0.0.2, is localhost. No. I just reinstalled SLES 10 SP2 to test. On the "Hostname and Domain Name" panel in the second half of the install I uncheck "Change Hostname via DHCP" and leave "Write Hostname to /etc/hos

127.0.0.2 in /etc/hosts?

2008-09-10 Thread Michael MacIsaac
Hello list, On a SLES 10 SP2 system, it seems the last line in /etc/hosts is: # tail -1 /etc/hosts 127.0.0.2 gpok189.endicott.ibm.com gpok189 Where the DNS name of the machine is "gpok189.endicott.ibm.com". But the IP address is not there. Why is "127.0.0.2" and not Linux's IP address

Re: [IBMVM] SHARE 111 Presentations on linuxvm.org

2008-08-29 Thread Michael MacIsaac
Mark, > I've uploaded a whole boatload of Linux and z/VM-related presentations from SHARE 111 ... An amazing array of presentations. This is a great resource. Thanks for your tireless work! "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -

Re: Buggered up zipl.conf file

2008-08-29 Thread Michael MacIsaac
Dave, See section 12.4 - Rescuing a Linux system. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LI

Re: Root filesystem error switches to ReadOnly

2008-08-22 Thread Michael MacIsaac
> I expect the problem is using 'dd' for the copying may not get the > magic signatures Also 'dd' expects a dasdfmt'd disks or it loses its way. Another approach might be to try dasdfmt'ing the disk before 'dd'. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 ---

Re: Draft redbook: z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 10 SP2

2008-08-14 Thread Michael MacIsaac
> Where is the tar file located, Sorry, I am working with the ITSO to get it put up on their FTP server. In the meantime I will contact you off-list. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe

Re: Regina and/of THE (The Hessling Editor) install?

2008-08-12 Thread Michael MacIsaac
Mark, I just read in the Sept Linux journal (p94) there is a tool called checkinstall - the Tech Tip starts "If the program you want to install doesnt have a package for your distro, you can use checkinstall to make one." See http://asic-linux.com.mx/~izto/checkinstall/ I've never tried it, but

Re: swap to DCSS documentation/cookbook?

2008-08-08 Thread Michael MacIsaac
Carsten, > I am willing to guide you through the setup process. > In short, you'll have to do the following steps: > - use DERFSEG to define a dcss with one page "exclusive write" and the > rest "exclusive nonsaved" access mode Can you give one example of this command? Is it OK to do this step fro

Draft redbook: z/VM and Linux on IBM System z: The Virtualization Cookbook for SLES 10 SP2

2008-08-05 Thread Michael MacIsaac
Hello list, I am pleased to announce a new draft IBM Redbook on the Web at: http://www.redbooks.ibm.com/redpieces/abstracts/sg247493.html?Open A number of sections have been updated or changed from the current version that is on http://linuxvm.org/present : -The z/VM sections are updated from v5

Re: z/Linux cloning

2008-07-20 Thread Michael MacIsaac
Jonathan, > What's the current "best practices" cloning solution for z/Linux under > z/VM? "What Brad said." (I started replying before Brad did, but now the entire weekend is almost burned - better late than never I guess.) I started to write - a Linux shell script is included with, and hopeful

Cobbler anyone?

2008-07-16 Thread Michael MacIsaac
Hello list, Anyone heard of cobbler? (no, not the shoe repairman nor the "deep-dish fruit dessert with a thick top crust" :)) This one: http://cobbler.et.redhat.com/ I wouldn't bother asking, but it seems they are looking at a port to s390x: https://fedorahosted.org/cobbler/wiki/SssThreeNinety

Re: Reiser

2008-07-15 Thread Michael MacIsaac
> One presumes that the August issue actually comes out some time in > July. That's not unusual. Correct. What I wrote was the entire text of the blurb in the "diff -u" column. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -

Re: Reiser

2008-07-14 Thread Michael MacIsaac
> But just the fact that the community *can* pick up the > source code does not mean it will happen. "ReiserFS has migrated its development from the NameSys servers to kernel.org where work is continuing. Edward Shinkin and others continue to develop the filesystem in spite of Hans Reiser's murder

Re: Systems management - quick survey?

2008-07-09 Thread Michael MacIsaac
Thanks to all who replied. I did get a note off-list that Aduva does still support System z: >Yes, we do still have a version that >supports Z - but most of our growth is really in the distributed Linux >and Solaris space. So I apologize to Aduva for suggesting their product might be dead. "Mike

Re: R_390_PC32DBL relocation msg

2008-07-09 Thread Michael MacIsaac
> What is this message telling me? > > unresolvable R_390_PC32DBL relocation against symbol `yylval' Sounds like a lex and yacc thing. Just grasping at a straw here - do you have to link in the compiled code that is output of lex and yacc? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 ---

Re: Systems management - quick survey?

2008-07-07 Thread Michael MacIsaac
Marcy, > Define "systems management" :) Yes, that is what I hope to do in an hour at SHARE :)) I tried to leave the "form" open-ended. But let's say systems management = monitoring, provisioning and patching, while performance management is perhaps a separate science unto itself. "Mike MacIsaac

Systems management - quick survey?

2008-07-07 Thread Michael MacIsaac
Hello list, I'm preparing for a SHARE presentation (week of Aug 11, San Jose, CA) on z/VM and Linux systems management. If you use Linux and z/VM on System z, do you have time for a quick survey? I tried to categorize what's available today into 4 main areas (I apologize if I your software is not

Re: Changing /sles10master

2008-07-01 Thread Michael MacIsaac
Bernard, > How do I mount this disk which contains 2 partitions, > to the sles10 controller, so that the clone scripts > from the cookbook would still work. The clone.sh script only modifies files on the target system under /etc/, so it *should* just work (as long as /etc/ is not one of the file

Re: IHS and SSI

2008-06-30 Thread Michael MacIsaac
Do you have: Options +Includes in each Directory statement in the /etc/apache2/default-server.conf (or whichever config file you are using)? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signof

SLES 10 SP2 default MTU size of 1492?

2008-06-23 Thread Michael MacIsaac
Hello list, We are often told to use 1500 as the MTU size. When I install SLES 10 SP2 it seems the default is 1492. I don't see "MTU=" as a PARMFILE option in Appendix A.2 of the document "preparation.pdf" on DVD 1. Is this a PARMFILE parameter? Or should a MTU variable be added to the appropri

Re: (MCOS: 16.7323) Linux guest on a diet

2008-06-20 Thread Michael MacIsaac
Mark, > Novell Technical Support considers systems that have Base pattern packages "missing" as problematic for support and updates. So, I can't recommend doing that at all. OK, good to know. If the books are ever updated we'll either rip that section out, or add strong warning words. Thanks. "

Re: (MCOS: 16.7323) Linux guest on a diet

2008-06-20 Thread Michael MacIsaac
> What I use, during install, is based on the "z/VM and Linux on IBM > System z: The Virtualization Cookbook" is: Then, Marian Gasparovic did a lot of work to document how to further pare it down. See section 7.5.5 for complete details (book is on linuxvm.org/present). But the bottom line is that

SLES 10 SP1 and SP2 install defaults of disk by device-ID

2008-06-10 Thread Michael MacIsaac
Hi, We have some SLES 10 SP1 and SP2 systems which were installed using the default of identifying disks by device ID. This weekend our raised floor took a power hit so all LPARs and disk arrays crashed. Most Linux systems came back fine, but a few SLES 10 SP1 and SP2 systems that identified disk

Re: Historical data for performance of Linux

2008-05-28 Thread Michael MacIsaac
Jae-hwa, > Are there any ways to collecting and saving the performance data? > How does the other customers running Linux on their mainframe manage > the performance data for chargeback or planning for capacity? There's a good Redpaper "Accounting and Monitoring for z/VM Linux guest machines", nu

Re: Yast software tasks freezing :(( Workaround?

2008-05-08 Thread Michael MacIsaac
Mark, > It seems that most things related to YaST and rug/zmd are in /var. This is good information. I poked around, and tried the "rug sd " command, but it did not like the various URIs I tried ("rug sl" does not seem to list the entire URI). Then I went back to the screen that was "freezing".

Yast software tasks freezing :(( Workaround?

2008-05-08 Thread Michael MacIsaac
Hello list, I have a SLES 10 SP1 system that was migrated from another VM system and is now "pointing to" the install source on an unreachable network. When I try "yast => Software => Software Management", I get a progress window named "Downloading files ..." that freezes at 0% (I've waited qu

Re: What is a good generic disk layout?

2008-04-11 Thread Michael MacIsaac
> > 2) Click "Create" => choose "/dev/dasda" => choose "Do not format" => > > enter all blanks for "Mount point" (I see now that the last entry in the > > dropdown menu is "blanks" - aha - the hidden key :)). > > > This is what I've always done. If you want to give a partition to LVM, you have to

Re: What is a good generic disk layout?

2008-04-09 Thread Michael MacIsaac
Mark, > It's always worked fine for me. > I just went through a new SP1 install on my test What steps did you take? I found if you leave space on /dev/dasda, then click "LVM", that the free space on /dev/dasda would not be available for use in a volume group. > system, just to make sure nothing h

Re: What is a good generic disk layout?

2008-04-08 Thread Michael MacIsaac
> X and a graphical desktop? Should we be encouraging this? Installing them and running them are two different things. It's sometimes nice to have one installed so it can be started only when a graphical environment is necessary. But you do bring up a good point. > can't you make partition1 dasd

What is a good generic disk layout?

2008-04-08 Thread Michael MacIsaac
Hello list, It's difficult to come up with a one-size-fits-all disk layout for Linux. In the past I've just "punted" and created a single 3390-3-sized root file system. That often fills up quickly, so most would probably agree that more space is require. Here is a proposed minidisk layout for two

Re: IPL Centos s390x dvd in RESCUE mode?

2008-04-01 Thread Michael MacIsaac
John, > I was trying to find Ian's concerns, _not_ your guesses. I can guess > too, but I'm not willing to assume I can read his mind. Hey, aren't we supposed to be a friendly list? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061

Re: SLES9 SP4 install problem

2008-04-01 Thread Michael MacIsaac
Hello list, On March 24th I wrote: > I'm trying to install SLES 9 SP4. I believe I built an install tree per > the README file on CD1 of SP4. This tree is NFS-exported and can be > mounted on another running system in the same subnet. I have a 768M > machine. > > When I use the kernel and RAMdis

SLES9 SP4 install problem

2008-03-24 Thread Michael MacIsaac
Hello list, I'm trying to install SLES 9 SP4. I believe I built an install tree per the README file on CD1 of SP4. This tree is NFS-exported and can be mounted on another running system in the same subnet. I have a 768M machine. When I use the kernel and RAMdisk from the SP4 CD1, during netw

Re: SLES10 install issue

2008-03-24 Thread Michael MacIsaac
> The process starts normally and then starts to considerably slow down Do you have at least 512M of storage (memory)? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access ins

Re: dasdfmt -d cdl and FDR volume backup

2008-03-14 Thread Michael MacIsaac
Hello list, A related queston ... > let me try a CPFMTXA frst. Whenever I get the opportunity to use new DASD, the first thing I do is CPFMTXA every cylinder of every volume. This is because I've shot myself in the toe a few times by *not* doing it (and that hurts :). Once a "virgin" volume has b

Re: zLinux under zVM or Standalone

2008-02-02 Thread Michael MacIsaac
> Linux for System z is at its heart still Linux, and hence was never > or will ever be designed nor engineered with the IBM System z in mind. But I would like to think that System z Linux developers are driving virtualization features into the Linux kernel. A couple of examples might be the tracki

Re: CSL-WAVE

2008-01-28 Thread Michael MacIsaac
Alan, > There Be Dragons down this path. Yes, you are right of course. I was just all riled up and sent an email that I should have. Most of us know how that goes. (you should have seen the one I sent that cc:d Sam Palmissano - my hand still smarts from the spanking I got after that :)) I am sor

Re: CSL-WAVE

2008-01-28 Thread Michael MacIsaac
Rob, > by such posts. Could that be the pot calling the kettle black? I've seen plugs for Velocity products which don't seem to be interpreted as spam. Of course I do appreciate that Velocity Software donates the resources for linuxvm.org, but I'm just trying to keep things in perspective. "Mik

Re: CSL-WAVE

2008-01-28 Thread Michael MacIsaac
Mark, Ted, Which is more difficult to swallow? Comments like these: > I wanted to take this opportunity and forum to ask if any of you are > impressed with unsolicited ads for products hijacking a listserve? - and - > We're not here to be stationary targets for any drive-by marketer. - or this

Re: Create a CMS file from Linux?

2008-01-25 Thread Michael MacIsaac
I'll look into NFS and/or FTP and watch for FUSE. Thanks for all the replies. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTE

Create a CMS file from Linux?

2008-01-25 Thread Michael MacIsaac
Hello list, I see the cmsfs package has the cmsfscp command, but that seems to only copy from CMS to Linux. Is there a way to create/append CMS files from Linux? Thanks. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 --

Re: Delayed start of WebSphere

2008-01-07 Thread Michael MacIsaac
> every time I boot I have to wait for WAS to finish coming up I'll ask a dumb question - Did you try starting it in the background? (e.g. in the startup script, change "startServer.sh server1" to "startServer.sh server1 &") I must confess I've never tried this and don't have a WAS system available

Re: Extracting user IDs and IP addresses from QUERY VSWITCH DETAILS

2007-12-23 Thread Michael MacIsaac
> This script will also have problems with > non-English character sets OK, another important assumption is flawed. Thanks to all who replied. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / sig

Re: Extracting user IDs and IP addresses from QUERY VSWITCH DETAILS

2007-12-22 Thread Michael MacIsaac
Thanks for the replies. > I'd parse the q vswitch details output in Perl Learning Perl has been on my list of "things to do" for years now :(( > Just beware that we continually change the format of QUERY VSWITCH > DETAILS. It is for that very reason we created Diagnose 0x26C. I'll show my ignora

Extracting user IDs and IP addresses from QUERY VSWITCH DETAILS

2007-12-22 Thread Michael MacIsaac
Hello list, I was hoping to use a bash script to determine Linux user IDs and IP addresses attached to a certain VSWITCH. With the vmcp module and the QUERY VSWITCH DETAILS command, I get a lot of good information. I wrote a short function that makes some assumptions: 1) "Adapter owner:" lines hav

Re: Where to begin?

2007-12-14 Thread Michael MacIsaac
Eric, > Can anyone point me to docs (IBM preferable) that will help > me to build the basic knowledge I need to get started. You might try the Virtualization Cookbooks. The most recent are for SLES 10 and for RHEL 5. See the top two entries http://linuxvm.org/present/ They were originally written

Re: cmsfs randomly not working

2007-12-12 Thread Michael MacIsaac
Robert, I list the files with a file type of PARM-S10 on a Linux user ID's 191 disk (which is actually a LINK not an MDISK) with a function named foo: # ./foo Setting device 0.0.0191 offline Done Setting device 0.0.0191 online Done LINUX116 PARM-S10 D1 V 73 9 1 11/20/2007

Re: Draft Redpaper: "z/VM and Linux on IBM System z: Implementing a Shared Root File System"

2007-11-05 Thread Michael MacIsaac
Jae Hwa, > How about rpm update works(except kernel updates) for these > systems using shared root fs? Are there any ways to apply > the updates to many cloned system? Good question. The short answer is that I defer to either Steve Womer, if he cares to comment, or to the current thread "Applying

Re: Draft Redpaper: "z/VM and Linux on IBM System z: Implementing a Shared Root File System"

2007-10-30 Thread Michael MacIsaac
Nigel, > any plans for a version based on Red Hat ? The short answer is no - we had relatively few cycles on the "residency" which was really just two people for one week. However, thinking about it, the mkror.sh script should only need a few small changes. I'm not sure how different SuSE and Red

Draft Redpaper: "z/VM and Linux on IBM System z: Implementing a Shared Root File System"

2007-10-29 Thread Michael MacIsaac
Hello all "linux-390" and "ibmvm"ers, A draft Redpaper "Sharing and maintaining Linux under z/VM" is now up on http://www.redbooks.ibm.com/redpieces/abstracts/redp4322.html?Open Here is the abstract: "Large operating systems, such as z/OS®, have, for several decades, leveraged shared file struc

linuxvm.org DocRoot?

2007-10-24 Thread Michael MacIsaac
Hi, linuxvm.org seems to be up, but can't seem to find its data. I always take that wonderful resource for granted. I'd like to take the time to thank Mark Post for tirelessly maintaining it. And thanks too to Velocity Software for supplying the resources. OK Mark, now that I've "buttered you up

Re: SLES 10 cookbook

2007-08-29 Thread Michael MacIsaac
> Perfect -- didn't show up on the IBM Redbook site when I searched. Right - we did a "whitebook" because we had the time and motivation (and a RHEL 5 flavor as well), but not a redbook because there are extra steps, logistics, etc. > Is there a redbook in the works? Can't make any promises, but w

Re: Missing OSA/2 Interfaces

2007-08-22 Thread Michael MacIsaac
> I could have sworn that during the Redbook residency that we used > some facility on the HMC to write screen contents into a file > that we could subsequently transfer off to a PC. Mike? Yes, we had an OS/2 app, PMCAMERA I believe. Now that the HMC is Linux-based, there is no way (to my knowle

Re: Single user mode and root password

2007-08-22 Thread Michael MacIsaac
Mark, > I would say that's a doc APAR in the making. Mike? We'll definitely look into it. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [E

Re: mksles10root available yet?

2007-08-14 Thread Michael MacIsaac
>> see if mksles10root is available yet. > You don't need to. Amen :)) "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] wit

IBM Integrated Removable Media Manager (IRMM)

2007-08-08 Thread Michael MacIsaac
FYI ... IBM now offers the IBM Integrated Removable Media Manager (IRMM) for the Enterprise on IBM System z?. IRMM is a new robust systems management product for Linux® on IBM System z? that manages open system media in heterogeneous distributed environments and virtualizes physical tape libra

Re: Hipersockets

2007-07-27 Thread Michael MacIsaac
Paul, > setup the hipersocket network as 12. for testing and so it stands out Would it be better to use 10.? 12. is a real class A IP address range. 10. is the private class A range (RFC 1918 I believe). "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 ---

Re: linux guest forced off this morning

2007-07-16 Thread Michael MacIsaac
> Doesn't matter.. when the console connection is lost, you have 15 > minutes to reconnect or the system will force the virtual machine logoff Do you have "Disconnect_Timeout off ," in your SYSTEM CONFIG Features statement? I'm not sure how to query this setting. "Mike MacIsaac" <[EMAIL PROTECTED

Re: Wrapper around SSH to run command on mutliple Linuxes?

2007-07-15 Thread Michael MacIsaac
John, > No licence? I'm not allowed to use it? I guess it's public domain by default. > Why not a non-noncontroversial BSD-type licence? No warranty, use as you > wish at your own peril. They're just 30-40 line scripts. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 --

Re: Wrapper around SSH to run command on mutliple Linuxes?

2007-07-13 Thread Michael MacIsaac
Hello, Thanks to all who replied. The info was helpful. I decided the task was too cumbersome to always type from the command line, and also straightforward enough to write some scripts. So I wrote two scripts: dssh (to issue commands) and dscp (to copy files) to multiple Linux systems. First yo

Wrapper around SSH to run command on mutliple Linuxes?

2007-07-12 Thread Michael MacIsaac
Hello list, Does anyone have a simple wrapper around SSH to run the same command on multiple Linuxes? If I have key-based authentication set up from one server to another server, call it "linux01", I can issue the command: # ssh linux01 ls /root bin and see the output from linux01 without nee

Re: BaseVol/GuestVol server for SLES9

2007-06-21 Thread Michael MacIsaac
Susan, > I'd like to save disk storage as well as simplify maintenance so thought > the concept of a basevol/guestvol penguin colony sounded perfect. Some shops have used it and are using it, I believe. Some have backed away from it. Are people still using basevol/guestvol? > I'm a relative newb

coredump() ???

2007-06-06 Thread Michael MacIsaac
Hello list, An ISV uses the function coredump() on AIX in C/C++ code to dump a program's core, but NOT terminate - for debugging. Apparently there is no such function on Linux. I came across the google-coredumper which sounds like a solution, but there seems to be some Intel assembly code in it,

Re: VSWITCH

2007-06-04 Thread Michael MacIsaac
> couple 0600 to system vsw1 > > after I did that everything worked fine Hmmm - that is interesting > I am using the z/vm and linux on ibm system z cookbook for sles9 Did you use the nicdef statement: NICDEF 600 TYPE QDIO LAN SYSTEM VSW1 in the PROFILE LNXDFLT as described and bring the changes

Re: Wiki

2007-05-16 Thread Michael MacIsaac
>> After looking I fount that there are several Wiki >> engines available. Which one is the best? > Mike MacIsaac and I have installed and played with both MediaWiki, and Confluence. Yes, and I've also run moinmoin on z. moinmoin's backend is just the filesystem, so you can "cheat" and modify cont

Re: Minimum SLES9 packages for Oracle10

2007-05-15 Thread Michael MacIsaac
Mark, > Do you still have that system up and running? No sorry, I cannibalized the DASD for the new cookbooks. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructio

Re: Minimum SLES9 packages for Oracle10

2007-05-15 Thread Michael MacIsaac
Tom, > Does anyone have a list of the absolute minimum packages ... In the SLES9 Virtualization Cookbook we tried to get to the smallest package set of around 700MB. After a minimal install, we found some more RPMs that seem to be safe to remove: # rpm -e eject fvwm2 hfsutils initviocons ntfspro

Re: Guest Lan/VSwitch/VLAN

2007-05-08 Thread Michael MacIsaac
Gene, Yes, VSWITCH seems to be the most popular. We describe how to implement it in a number of "Virtualization Cookbook"s on http://linuxvm.org/present/. For z/VM 5.1 you have to manually define the VSWITCH controllers. See: http://linuxvm.org/present/misc/virt-cookbook-1.pdf If you move up to

Re: Assigning/Tracking Host names

2007-05-02 Thread Michael MacIsaac
>> I find it interesting that nobody so far mentioned RFC1178 (Choosing a >> name for your computer): ftp://ftp.rfc-editor.org/in-notes/rfc1178.txt. >> There are several excellent ideas in that document. > Wow! Thanks. Been looking for that. That is a good reference, I agree. I could add one sug

Re: SLES10 install problem

2007-04-27 Thread Michael MacIsaac
> We have been able to ping the nfs server from LNXMAINT OK, good, your z/VM is on the network. > q vswitch detail > VSWITCH SYSTEM VSW1 Type: VSWITCH Connected: 1 Maxconn: INFINITE > PERSISTENT RESTRICTED NONROUTER Accounting: OFF > VLAN Unaware > State: Ready > IPTimeout: 5 QueueStorage: 8 > Por

Re: Increasing Size of DASD for Root Filesystem

2007-04-27 Thread Michael MacIsaac
> 512M/home FWIW, in the new Virtualization Cookbooks we describe using LVM, NFS, automount and LDAP to create an automount'ed /home/ (especially, section 12.3). You can create a big /home/ LV on one server and have it automatically NFS-mounted on any other server. This way the user's home dir

Re: SAMBA & Active Directory

2007-04-27 Thread Michael MacIsaac
> I'm in the process of building a file server using SAMBA > but will like to use our current Windows Active Directory > for authentication purposes. Where can I find more information > on how to accomplish this task? We are running SLES9 SP3. I've been out of the loop for a while, but ... There is

Re: Crypto CPACF enablement

2007-04-26 Thread Michael MacIsaac
> I didn't think it took a POR to > get the feature recognized - is there something I'm missing here? What does "cat /proc/driver/z90crypt" say? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / si

Re: Enter your root partition after SLES10x install

2007-04-26 Thread Michael MacIsaac
> I walked away from my VNC session for a drink of water and when I came back > my VNC session was gone and the sles10x installation guest was down. I > assumed all was well and rebooted and selected the boot newly installed > system. Now I get the following: > > Enter your root partition (e.g., /d

Re: Centos 4.4 S390x - what's the proper way to install the 32 bit libstdc++ rpm?

2007-04-16 Thread Michael MacIsaac
> [EMAIL PROTECTED] RPMS]# rpm -i libgcc-3.4.6-3.s390.rpm >package libgcc-3.4.6-3.1 (which is newer than libgcc-3.4.6-3) is > already installed I got an error similar to this recently and the problem turned out to be that I was pointing to a different install tree than the one that I instal

Re: Crypto definition

2007-04-11 Thread Michael MacIsaac
Brad, > When I login under zVM 5.2, I get the error: > > HCPKFL663E The crypto cannot be defined because no real crypto facility > is installed. Yes, I get that error too. But the crypto card still works. I'm not sure why. Try a: ==> #cp q crypto This is what I get: 00: CP Q CRYPTO 00: No CAM or

Steal % in top - s390x only?

2007-04-06 Thread Michael MacIsaac
Hello list, The third line of information from top now has a steal percentage. For example, in RHEL4 the third line was: Cpu(s): 0.0% us, 0.0% sy, 0.0% ni, 100.0% id, 0.0% wa, 0.0% hi, 0.0% si Now in RHEL5, I see a new field, "st": Cpu(s): 0.1%us, 0.5%sy, 0.8%ni, 96.8%id, 0.2%wa, 0

Re: SLES9 to SLES10 Upgrade

2007-04-03 Thread Michael MacIsaac
Linux on 390 Port wrote on 04/03/2007 02:09:07 PM: > Hi, > > Our vservers setup was mostly done using the procedures described in > "From LPAR to Virtual Servers in 2 Days" by Michael MacIsaac, et al. So > currently we have a cloning controller server and about a do

Re: Apache URL

2007-03-29 Thread Michael MacIsaac
> What do I need to do? Be sure the IP@ is associated with a DNS name and use the DNS name. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [E

Re: Protecting SSH key on Windows desktop

2007-03-29 Thread Michael MacIsaac
Jon, > It can be effective, but it can't be *counted on* to be effective. It was kind of a joke - note the smiley face. "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access

Re: Protecting SSH key on Windows desktop

2007-03-29 Thread Michael MacIsaac
> Level of paranoia?... > Low - rely on the probability that the Windows admin will never find/look for the key file in the file system (security through obscurity can be very effective :)) "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 --

Re: Protecting SSH key on Windows desktop

2007-03-29 Thread Michael MacIsaac
> SELinux is great until you actually want to get something done. > > Run it in warning mode first for a while to get a glimpse of what's > going to break when you turn it on for real, is my advice. If you install RHEL5, it will be running by default: # cat /etc/selinux/config # This file control

Re: Fw: sles9 s390x install root

2007-03-27 Thread Michael MacIsaac
> And here's the mkslesroot script run with debug. I got a couple of rsync > broken pipe msgs at the bottom that I don't get when doing the ISO mounts. ... > + rsync -HlogptrS sp3-9/CD1/s390x . > rsync: writefd_unbuffered failed to write 4 bytes: phase "unknown": Broken > pipe > rsync error: error

Re: can a max file size be set when using lvm

2007-03-22 Thread Michael MacIsaac
> The problem with a layout like this is the granularity. OK, "what Robert said." I am not in a position of having to maintain any real production servers. So I often just clone a new one when I need one. For the /home/ issue, I agree, if you have a set of users. In the latest two cookbooks we de

Re: NIS on Linux

2007-03-22 Thread Michael MacIsaac
> service nscd stop Whoops - or "rcnscd stop" on SLES 9 or earlier (SLES 10 and RHEL x have the service command, SLES 9 does not) "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive

Re: NIS on Linux

2007-03-22 Thread Michael MacIsaac
> Do I need to reboot after turning off nscd? Or kill the pids? No. "service nscd stop" "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL

Re: can a max file size be set when using lvm

2007-03-22 Thread Michael MacIsaac
> If in the install I set say 10 2.3g disks into one lvm > Setting the Mount point to / Others have described issues when using a logical volume for the root file system. If LVM gets confused, which happens from time to time, then your system doesn't boot. I would recommend keeping the root file

Re: sles9 s390x install root

2007-03-20 Thread Michael MacIsaac
Brendan, > perhaps the CDs are bad. Did you run md5sum? "Mike MacIsaac" <[EMAIL PROTECTED]> (845) 433-7061 -- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: I

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