TechTips / Sys Admin


Partner TechTip: Small but Mighty: Controlling the *CLS Object Type PDF Print E-mail
Tips & Techniques - System Administration
Written by Kurt Thomas   
Monday, 01 April 2013 00:00

What happens when multiple jobs compete for resources? It's all about the routing.

kurt thomas.Written by Kurt Thomas

Things don't always go according to plan on IBM i. Or do they? While the instinct for administrators and IT managers is to always hunt down a culprita rogue job, an inactive journal receiver, or something elsesometimes the very building blocks of a common process, or rather the specifics that define processes, can be where the trouble at hand resides.

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Last Updated on Friday, 29 March 2013 14:14
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Partner TechTip: Hinder Jobs to Make Life More Productive for Users PDF Print E-mail
Tips & Techniques - System Administration
Written by Kurt Thomas   
Friday, 22 March 2013 00:00

With QSystem Monitor, managing CPU and disk I/O usage is a whole lot easier.

kurt thomas.Written by Kurt Thomas

Below the calm surface of a hard-working IBM i, there is something of a scramble going on. More precisely, it's a scramble for resources, and inevitably, in this job-eat-job scenario, there is little room for sentimentality. You see, the system doesn't care that a payroll job is more important than a large but routine print job. It will happily give that large print job all the CPU it wants, leaving the payroll job to wait for available resources regardless of how long that might take. Fortunately, CCSS provides a command that can put this to rights: MONCHKJCP.

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Last Updated on Friday, 22 March 2013 00:00
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Partner TechTip: FTP Monitoring or "Is That the Best You Can Do?" PDF Print E-mail
Tips & Techniques - System Administration
Written by Kurt Thomas   
Friday, 08 March 2013 00:00

Get a better handle on that much-used workhorse, FTP on your IBM i.

kurt thomas.Written by Kurt Thomas

FTP is the beauty and the beast, the boon and the bane of networking on IBM i! You can't live without it, but sometimes you sure wish you could.

 

As a communications protocol that has been around for decades, FTP has received heavy criticism for being low-security and difficult with firewalls. Contenders tried to take its place. Amendments have been made to it; higher layers have been added on top of it. In uncovering the truth about FTP, we can rely on a few certainties....

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Last Updated on Thursday, 07 March 2013 12:51
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Partner TechTip: Virtual Tape Technology (VTL) Can Eliminate a Lot of Tape Headaches PDF Print E-mail
Tips & Techniques - System Administration
Written by Tom Huntington   
Friday, 01 March 2013 00:00

Crossroads' SPHiNX and Robot/SAVE team up to automate your IBM i backup solution.

tom_huntingtonWritten by Tom Huntington

For years, many of us have wondered when tape technology would become a thing of the past. Many data center managers have dreamt of the time when there's no need for tape racks, offsite tape storage, and media couriers. They have wanted to eliminate operator intervention for media errors, out-of-tape issues, locked tapes, and active file errors.

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Last Updated on Thursday, 28 February 2013 15:25
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TechTip: Soup Up iSeries Access, Part II PDF Print E-mail
Tips & Techniques - System Administration
Written by Sam Lennon   
Friday, 08 February 2013 00:00

Make your life easier by enabling the cut, copy, and paste shortcut keys in iSeries Access.

sam_lennon.pngby Sam Lennon

Say what you like about Windows; it has added a significant level of consistency across applications that many rely on. I love the efficiency of the Windows shortcut keys for cut, copy, and paste (Ctrl+X, Ctrl+C, and Ctrl+V, respectively), and I use them in many applications instead of clicking on icons in the tool bar or clicking on the Edit menu. Since these keys work consistently across virtually all Windows applications, you get into the habit of using them everywhere.

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Last Updated on Friday, 08 February 2013 14:52
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TechTip: AIX Online Backups with Splitcopy PDF Print E-mail
Tips & Techniques - System Administration
Written by David Tansley   
Friday, 01 February 2013 00:00

It's easy to incorporate your backups into a batch script.

david tansleyWritten by David Tansley

With ever-growing business needs to have systems up 24/7, finding a window to do your nightly batch runs becomes increasingly hard, especially to take backups, which are crucial for any system. AIX provides various methods to do online backups for JFS2 file systems, like internal and external snapshots, backsnaps, and mirroring. A method that is also available for JFS file systems for online backups is the splitcopy command.

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Last Updated on Friday, 01 February 2013 00:00
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TechTip: Application Administration: Less Green, More GUI PDF Print E-mail
Tips & Techniques - System Administration
Written by Steve Pitcher   
Friday, 25 January 2013 00:00

With IBM Navigator for i, application administration has never been easier.

steve pitcherWritten by Steve Pitcher

What's Application Administration? Simply put, Application Administration is a utility that allows you to control functions and applications available to users and groups on IBM i.

 

There's an IBM i command that's similar to Application Administration in that it allows you to manage many different system components—from specifying which users can get/put via an FTP client to controlling who can manage disk pools via the IBM Navigator for i Web interface or the System i Navigator thick client. In the spirit of modernization, I'm not going to show you how to use that command or even tell you the command name.

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Last Updated on Wednesday, 23 January 2013 12:13
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TechTip: Free App Locates Memory Leaks PDF Print E-mail
Tips & Techniques - System Administration
Written by Nastel Technologies   
Friday, 14 December 2012 00:00

Did you really think that you didn't have to worry about this if you're a Java developer?

Written by Nastel Technologies

Java   provides developers with false assurance that memory leakage is something   they need not be concerned with. Even with Java Garbage Collection, leaks may occur. And further complicating the issue, OS memory usage may be stable while the JVMs fluctuate.

 

The   challenge is in detecting that there are leaks and then determining where they are located. There are so many places where memory could be leaking that it is non-trivial to manually check them all.

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Last Updated on Thursday, 13 December 2012 16:22
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