Re: patching frequency

2011-08-18 Thread Philip Rowlands
On 18/08/2011 14:22, Levy, Alan wrote: How often do you patch your linux servers. As often as necessary :) I have been patching once every 3-4 months (over 100 servers - sles 9 thru 11) and have been told that I had to start patching much more frequently. I'd like to find out what other

Re: GPG Key Ring Generation on zLinux Fails

2011-05-20 Thread Philip Rowlands
On 20/05/2011 15:00, Mark Jacobs wrote: I'm attempting to generate a key ring in a zLinux environment using gpg but I can't get enough entropy to supply the generation process with enough random bytes. Not enough random bytes available. Please do some other work to give the OS a chance to

Re: cleaning up /tmp

2011-03-11 Thread Philip Rowlands
On 11/03/2011 14:23, McKown, John wrote: There's a discussion going on over on the MVS-OE forum (which I started) about the /tmp subdirectory. It's gone away from my original towards how to keep it clean. So I thought I'd ask the UNIX wizards over here what the industry standard is. I don't

Re: cleaning up /tmp

2011-03-11 Thread Philip Rowlands
On 11/03/2011 15:18, McKown, John wrote: On a strict reading of the above, you can't rely on a /tmp file existing between invocations of the program, in other words when a file isn't actively held open by a process. This would break many many shell scripts I've read and written over the years

Read-only DASD and CMSCONFFILE

2011-02-28 Thread Philip Rowlands
Short version: DASD='777,888(ro)' is valid and useful CMSCONFFILE, but we don't see that syntax in either the documentation or the script's own output. Long version: Picture the scene; there's a minidisk holding kickstart files and the full RHEL install file set. Other users LINK this

Re: crypto with sshd

2011-02-15 Thread Philip Rowlands
On 15/02/2011 20:26, Sterling James wrote: I starting to get a little confused, since I thought this provided openssh the use of OpenSSL dynamic engine loading support, so that the ibmca engine can now use Central Processor Assist for Cryptographic Function (CPACF). If that were true, use of

Re: one final observation on my piping to multiple processes.

2011-02-10 Thread Philip Rowlands
On 10/02/2011 14:23, McKown, John wrote: The use of(...) and tee seem to be what I need to pipe the output from bzcat to muliple perl scripts. But I found a bug in my original: bzcat data*bz2| tee(perl script1.pl) | perl script2.pl The stdout from script1.pl is piped into script2.pl ater the

Re: Multicast use on a Linux server

2011-01-19 Thread Philip Rowlands
On 19/01/2011 01:52, Marcy Cortes wrote: Thanks Scott, Philip, and Alan, That gives me enough info. Curious though how to map the mac addr to the IP from Linux itself? They don't show up in arp -n . Would one check at the router? There's a defined many - one mapping from IP multicast

Re: Multicast use on a Linux server

2011-01-18 Thread Philip Rowlands
On 18/01/2011 21:49, Marcy Cortes wrote: Hello, General Linux question here... Is there a way to tell all the multicast addresses are particular server might be using? # netstat --groups or # ip maddress show will show which addresses a host is using. Cheers, Phil

Re: A little more script help

2010-12-23 Thread Philip Rowlands
On 23/12/2010 16:28, Bauer, Bobby (NIH/CIT) [E] wrote: OK, I'm going to forgo Rexx and learn bash script! I want to input a file into an array. For instance I want the variable xyz to have the contents of /tmp/test. /tmp/test looks like: 08:50:01 AM all 3.48 0.00 0.18

Re: Need unusual Linux ftp client

2010-12-01 Thread Philip Rowlands
On 01/12/2010 09:57, McKown, John wrote: I download data from z/OS. And I do it repetitively. Basically, run a job on z/OS to generate a file. Download the file. Process on Linux. Repeat. I do some intermediate work on z/OS between runs. This work changes the output of the job. I want to compare