Problem using IUCVCONN in single user mode

Hello, I notice when zLinux 6.2 drops into Single User mode at boot up say due to bad /etc/fstab, I cannot connect via iucvconn Guest lnxhvc0. The command just hangs. Appears /etc/init/ttyH0.conf is not run in single user mode. I logon as root to 3270 console and enter exec

Re: Problem using IUCVCONN in single user mode

can only have one console. Hope this helps, Brent On Thu, Jan 23, 2014 at 11:05 AM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Hello, I notice when zLinux 6.2 drops into Single User mode at boot up say due to bad /etc/fstab, I cannot connect via iucvconn Guest lnxhvc0

Re: Problem using IUCVCONN in single user mode - 2 gettys now on console

is important, the second console statement is your primary console, and in runlevels S and 1, you can only have one console. Hope this helps, Brent On Thu, Jan 23, 2014 at 11:05 AM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Hello, I notice when zLinux 6.2 drops into Single User mode

Re: Problem using IUCVCONN in single user mode

directed to the iucv console. I don't like this solution, but I put in an echo statement that is directed to /dev/ttyS0 in /etc/rc.d/rc.sysinit so we could see the failure in 3270 and know to switch over to IUCV. Thanks, Brent On Fri, Jan 24, 2014 at 1:17 PM, Vitale, Joseph joseph.vit

Re: Problem using IUCVCONN in single user mode - 2 gettys now on console

also commented out /etc/profile.d/s390.sh and /etc/profile.d/s390.csh just to ensure the TERM variables stay intact. Sorry for missing that, it's been a while since we set these up... On Fri, Jan 24, 2014 at 2:50 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: I made both changes

CRON not running for specific user

Hello, Oracle schedules jobs via CRON. Looks like user was editing his CRON with using crontab -e. Had some messages showing cron was locked. See below. Restarted CRON, stopped/started CRON no improvement. I tried to schedule a simple CRON as oracle, does not run, no mail message.

zLinux: Dynamic Memory Management - from a Share proesentation

Hello, I found some share slides from 2011/2012 on Dynamically Adding Memory to RedHat Linux. Curious to know if anyone uses it and which guests, all or only large memory guests? Also, procedure described seems manually intensive. Any comments on that? Thanks Joe Joseph Vitale

Re: zLinux: Dynamic Memory Management - from a Share proesentation - Thank You

cases. http://www-01.ibm.com/support/knowledgecenter/linuxonibm/liaag/l0cpup00.pdf HTH, Pedro Principeza From: Vitale, Joseph joseph.vit...@bnymellon.com To: LINUX-390@vm.marist.edu, Date: 14/07/2014 18:29 Subject:zLinux: Dynamic Memory Management - from a Share proesentation Sent

Eclipse crashes under zLinux Exit Code 1

Hello, I am not an Eclipse guy but we have a user on Redhat 6.5 using Eclipse SDK 4.3.1 and Java 6.0 JRE(not sdk ), 64 Bit When the user attempts to edit Cobol source or even a text file, Eclipse exits with Error Code 1 . Messages follow. I found some hits indicating possibly Memory

Re: Eclipse crashes under zLinux Exit Code 1

@VM.MARIST.EDU] On Behalf Of Eric Covener Sent: Friday, November 21, 2014 2:05 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Eclipse crashes under zLinux Exit Code 1 On Fri, Nov 21, 2014 at 12:29 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: I am not an Eclipse guy but we have a user on Redhat

Re: Eclipse crashes under zLinux Exit Code 1 - That Was the Fix!

-Dorg.eclipse.swt.internal.gtk.cairoGraphics=false Thanks Joe Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work 201-395-1509 Cell917-903-0102 -Original Message- From: Vitale, Joseph Sent: Friday

Re: Hyperpav Error on Linux side

Problem as you're experiencing went away with RedHat 6.5 and higher. For RedHat /etc/dasd.conf seems to work well if HPAV address is placed before real device mdisk . Example: 0.0.0813 use_diag=0 readonly=0 erplog=0 failfast=0 0.0.9EE0 use_diag=0 readonly=0 erplog=0 failfast=0

Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding

That would be an excellent mod. IBM should incorporate it, upgrade CMS. Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work 201-395-1509 Cell917-903-0102 -Original Message-

Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding

Disk - DDR or Copyfile? - still not expanding On 02/02/2015 09:42 AM, Vitale, Joseph wrote: I tried your approach, the number of cylinders never expanded. What I did, all is on CKD IBM 3390-9 disk Sorry for the confusion. I think they way I wrote that was a little hard to follow. To reduce

Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding

I appreciate your help, good insight into how this works. I used a V-DISK to copy from real mdisk, then to newly allocated mdisk. Joe Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work

Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding

] On Behalf Of Alan Altmark Sent: Monday, February 02, 2015 3:11 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding On Monday, 02/02/2015 at 10:05 EST, Vitale, Joseph joseph.vit...@bnymellon.com wrote: I tried your approach, the number

Re: Expanding CMS Mini Disk - DDR or Copyfile? - still not expanding

Mini Disk - DDR or Copyfile? On 01/31/2015 10:37 AM, Vitale, Joseph wrote: Question on expanding a CMS. Normally I create a new mini disk(larger) and use COPYFile Old to New mini disk. That could leave Cylinder gaps on disk when old mini disk is deleted. Gaps, true. But are you wanting

Loading VMCP in single or emergency boot modes

Hello, Kernel module VMCP is loaded via /etc/rc.local but only in Mult-User mode, run level 3. I would like to load it in earlier run levels, say Single User mode. There should be a way to do that without a script in /etc/rc1.d. RedHat recommends I rebuild

Re: Loading VMCP in single or emergency boot modes

@VM.MARIST.EDU] On Behalf Of Mark Post Sent: Wednesday, January 21, 2015 10:27 AM To: LINUX-390@VM.MARIST.EDU Subject: Re: Loading VMCP in single or emergency boot modes On 1/20/2015 at 05:22 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Thanks for your response. Yes, running RedHat 6.5

Re: Loading VMCP in single or emergency boot modes

or emergency boot modes On 1/20/2015 at 12:26 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Hello, Kernel module VMCP is loaded via /etc/rc.local but only in Mult-User mode, run level 3. I would like to load it in earlier run levels, say Single User mode. There should

Re: VSWITCH for z/vm tcpip - Q on 2nd OSA definition

My configuration is a bit different and I have a second VSWITCH specifying OSA address 0A0 but is not defined in my TCPIP configuration. Or TCPIP's directory statement. It is defined in SYSTEM CONFIG and in Autolog1 profile exec. 0A0 is not the Primary OSA so maybe that's the

Re: Interrupting Linux under z/VM session - terminal type?

What is the Terminal type setting for a 3270 session when using vi?Mine shows dumb: echo $TERM dumb Thanks Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work

Expanding CMS Mini Disk - DDR or Copyfile?

Hello, Question on expanding a CMS. Normally I create a new mini disk(larger) and use COPYFile Old to New mini disk. That could leave Cylinder gaps on disk when old mini disk is deleted. Is there a procedure that allows me to back up a mini disk and restore to a new larger mini disk,

Network Time Protocol Daemon needed for zLinux?

Hello, Currently not running NTPD under RedHat, is that necessary or does zVM present time adjustment via Sysplex Timer? Thanks Joe Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work

Re: Network Time Protocol Daemon needed for zLinux?

- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Rob van der Heij Sent: Wednesday, March 18, 2015 3:54 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Network Time Protocol Daemon needed for zLinux? On 18 March 2015 at 20:04, Vitale, Joseph joseph.vit...@bnymellon.com wrote

Re: Where can I locate Apache Web server for zLinux? - Thank you

[mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Eric Covener Sent: Thursday, March 19, 2015 6:00 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Where can I locate Apache Web server for zLinux? On Thu, Mar 19, 2015 at 12:53 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: You hit it on the head

Re: Network Time Protocol Daemon needed for zLinux?

appears to slow down for a few hours, to be on time in the morning. On 18 March 2015 at 19:33, John McKown john.archie.mck...@gmail.com wrote: On Wed, Mar 18, 2015 at 10:46 AM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Hello, Currently not running NTPD under RedHat

Re: Where can I locate Apache Web server for zLinux?

@VM.MARIST.EDU] On Behalf Of Barton Robinson Sent: Thursday, March 19, 2015 1:14 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: Where can I locate Apache Web server for zLinux? or you could do it from z/vm with ZVWS. It is very fast, and trivial to use. On 3/19/2015 8:40 AM, Vitale, Joseph wrote

Re: Where can I locate Apache Web server for zLinux?

. The Virtualization Cookbook describes how to install them. The short answer is: # yum -y install httpd httpd-manual For RHEL and: # zypper install apache2-prefork apache2 apache2-doc apache2-example-pages for SLES. Hope this helps. -Mike MacIsaac On Thu, Mar 19, 2015 at 11:40 AM, Vitale, Joseph

Re: Where can I locate Apache Web server for zLinux?

-pages for SLES. Hope this helps. -Mike MacIsaac On Thu, Mar 19, 2015 at 11:40 AM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Hello, I need to install a simple Web Server to server up 1 file. Internal load balancing requirement. Looked at Apache Web site, found binaries

Where can I locate Apache Web server for zLinux?

Hello, I need to install a simple Web Server to server up 1 file. Internal load balancing requirement. Looked at Apache Web site, found binaries for Windows and Linux X86. Nothing for s390. Do I need to download source or is there a pre-compiled zLinux version available ? Thanks Joe

Re: HYPERPAV problem RHEL6.5

I have done this 2 ways. For RH, I also update /etc/dasd.conf COMMAND DEF HYPERPAVALIAS 7EE0 FOR BASE 800 MDISK 800 3390 32760 LX7E10 MR READ WRITE MULT COMMAND DEF HYPERPAVALIAS 7EE0 FOR BASE 800 MDISK 800 3390 DEVNO 7E38 MR READ WRITE MULT Joe Joseph Vitale Technology Services Group

Re: Suggestion on improving FTP large file transfer

transfer Start out by looking at the Network tuning presentation on this page: http://www.ibm.com/developerworks/linux/linux390/perf/tuning_networking.html It has suggestions for tuning the networking on Linux for these types of transfers. On Mon, Aug 10, 2015 at 10:45 AM, Vitale, Joseph

Suggestion on improving FTP large file transfer

Hello, We have approximately 30Gb to FTP, zLinux to zOS. Would like to improve FTP timing but found TCP Receive Socket window default/max is 32Mb. Also, Send Socket window default/max is 32 Mb. Window scaling is enabled. Have not checked zOS Blocksize or number of extents. Not

Re: Suggestion on improving FTP large file transfer - Thank You

.) Ignore this since you are using a vswitch. On Mon, Aug 10, 2015 at 1:27 PM, Vitale, Joseph joseph.vit...@bnymellon.com wrote: Thank Bruce, good information. Question, Pg 13 TCP segmentation offload(TSO) . My guests are using a VSWITCH with VLAN Tags. Would offload still apply ? Thanks Joe

Re: SSH no-root, key-based authentication video

Is this site unavailable? https://sites.google.com/site/mike99mac/home Thanks Joseph Vitale Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302 Work 201-395-1509 Cell917-903-0102 -Original

Installing Open Source Python-3.4.3 on RedHat fails - “make: *** [sharedmods] Error 139”

I am trying to install a Python 3.4.3 on RedHat 6.6. Download site: www.python.org/downloads/release/python-343http://www.python.org/downloads/release/python-343 I do not have full developer OpenSSL RPM installed so, not all include libs installed. ”openssl-1.0.1e-30.el6.s390x” is

How to force crash dump from hung Red Hat guest

Hello, Running Red Hat 6.6 under zVM 6.3. I had a guest hang and unable to issue linux commands to force a kernel crash dump( echo c > /proc/sysrq-trigger ). Any suggestions how that can be accomplished? Thanks Joe Joseph Vitale Technology Services Group Mainframe Operating Systems

Re: How to force crash dump from hung Red Hat guest - Thank You all

- dumping to spool is slow but it will save your bacon when the kdump function does not work for whatever reason. http://www-01.ibm.com/support/knowledgecenter/linuxonibm/com.ibm.linux.z.lgdt/lgdt_c_intro.html On Tue, Oct 6, 2015 at 11:41 AM, Vitale, Joseph <joseph.vit...@bnymellon.com >

Re: How to force crash dump from hung Red Hat guest

function does not work for whatever reason. http://www-01.ibm.com/support/knowledgecenter/linuxonibm/com.ibm.linux.z.lgdt/lgdt_c_intro.html On Tue, Oct 6, 2015 at 11:41 AM, Vitale, Joseph <joseph.vit...@bnymellon.com > wrote: > Hello, > > Running Red Hat 6.6 under zVM 6.3. I h

Question on using CMM ( Cooperative Memory Management) on Red Hat Linux

Hello, Recently read an article by Ron van der Heij on use of CMM to flush a guests memory. Included script to drop page cache. I have two questions: 1) We are not running a VMRSMVM is that required to correctly implement this process? 2) Are other people implementing a

Re: Open stack on RHEL - ZPRO interest

Hello Barton, We just started using XCAT to test Red Hat deployment, control servers( boot/shutdown/power on ). Goal is for another zLinux guest to request XCAT deploy new servers for 30+ days and retire them. Will ZPRO offer similar capabilities and when would

Re: Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0

/agetty --autologin root -s ℅l Regards Atte VÍCTOR HUGO OCHOA AVILA El mié, 28 de septiembre de 2016 12:48 p. m., Mark Post <mp...@suse.com> escribió: > >>> On 9/27/2016 at 05:43 PM, "Vitale, Joseph" < > joseph.vit...@bnymellon.com> wrote: > > > Co

Re: Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0

serial-getty@ttyS0.service Regards. ATTE Victor Hugo Ochoa Avila 2016-09-29 8:36 GMT-05:00 Vitale, Joseph <joseph.vit...@bnymellon.com>: > Is there a minus '-' after ExecStart:ExecStart=-/sbin/agetty > --autologin root -s ℅l > > > > Thanks > Joe &g

Re: Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0

LINUX-390@VM.MARIST.EDU Subject: Re: Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0 >>> On 9/27/2016 at 05:43 PM, "Vitale, Joseph" <joseph.vit...@bnymellon.com> >>> wrote: > Console snippet which repeats: > Ýroot@r028n0z ~*# HCPCFX6769I You

Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0

Hello, Just installed Red Hat 7.2, running as a zVM 6.3 guest. Followed Red Hat instructions to autolog Root on Console(ttyS0) initially works. Our CA Operator is used for automation which sets Observer and SECUSER to issue commands. Seems to perform those functions too quickly resulting

Re: Red Hat 7.2 - Root not staying Auto Logged on Console ttyS0

have CA Operator running in both userids and both being configured to monitor the Linux console? Ronald van der Laan Op dinsdag 27 september 2016 heeft Vitale, Joseph < joseph.vit...@bnymellon.com> het volgende geschreven: > Hello, > > Just installed Red Hat 7.2, running as

Re: Failed to allocate kernel memory because the configured kernel

Hello, We also have IBM Communications serve installed. Connecting 35 clients in Dev and 70 for Prod. Interested to know your resolution. Only modifications we have is an increase to soft/hard file limit. Machine memory size is 2GB. Thanks Joe Technology Services Group

Re: DEDICATED OSA, LINUX VLAN tagging and bonding

--Original Message- From: Linux on 390 Port [mailto:LINUX-390@VM.MARIST.EDU] On Behalf Of Alan Altmark Sent: Tuesday, March 07, 2017 1:37 PM To: LINUX-390@VM.MARIST.EDU Subject: Re: DEDICATED OSA, LINUX VLAN tagging and bonding On Tuesday, 03/07/2017 at 06:18 GMT, "Vitale, Josep

Re: DEDICATED OSA, LINUX VLAN tagging and bonding

Hello, Interested to know if VLAN Tagging can be done via zLinux if zVM currently adding VLAN Tag. OSA set up for Port access. Using Red Hat 7. Please see below: CP SET VSWITCH VSWITCH2 GRANT R00022N1 VLAN 2419 2439 HCPSWS2847E PORTTYPE ACCESS is not allowed when the user is authorized

Re: Linux SMAPI wrappers - invitation to Openstack meeting

Hello Emily, I cannot reach you to join Openstack weekly meetings. Can you invite me: joseph.vit...@bnymellon.com, id tsgmf Thanks Joe Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14 Jersey City, N.J. 07302

Red Hat 6 fails to boot after zVM 6.4 upgrade

Hello, Running a CA zLinux Product called "PIM" aka eTrust or Control Minder. A Linux security product managing ID's, su access, etc.. Product fails during boot causing core dumps. Did I miss some compatibility setting upgrading from zVM 6.3 to 6.4

Re: Red Hat 6 fails to boot after zVM 6.4 upgrade

have caused this.  Has the linux guest worked OK in the past before the upgrade? Have you reached out to CA? On Mon, 2017-11-06 at 18:54 +, Vitale, Joseph wrote: > Hello, > > Running a CA zLinux Product called "PIM" aka eTrust or > Control Min

Re: zLinux with HyperPAV

Hello, When I format the volume I specify zVM volser on dasdfmt: dasdfmt -b 4096 -y -l LFucb -f /dev/dasd? --label=LFucb Mit freundlichen Grüßen / Kind regards Joe Technology Services Group Mainframe Operating Systems Pershing Plaza 95 Christopher Columbus Drive Floor 14