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Thank you for your excellent replies. You know a lot and your answers have been helpful.

It's good to know that I could change my own time stamp format with syslog, but I have no power to advise the customers to do anything. They just buy the product and have environments all over the...

Thank you.

What I would write is beginning of day markers at midnight. My issue is that these logs never show the year. Ordinarily, this causes no confusion, since the year is quite obvious. ...

It won't be a message related to the general purpose of the log, just a message that I want to put there. I assure you I have reason enough to do what I want to do. I just wonder about the...

Could I write to all three of these logs with syslog, and would it work across most Linux distributions?

This isn't a RedHat specific question. The software in question might be used for any Linux distribution. Would it be advisable or inadvisable for my application, to be downloaded by many people I...

I am testing this in Fedora 15 (32 bit) in the bash shell, but I presume that answer would be the same for most if not all implementations of systemd.

I am writing a program that must determine certain things about services. How can I, or my program, determine which services are started automatically when a given target becomes active. It is my...

I wrote a program which uses findsmb to get a list of Samba aware resources. It worked fine. It was able to see both my own cluster of virtuals and other company computers too. My company moved to a...

Some of my users find that a graphical program I have given them will not run until they type:

xhost +local:username

where, of course, they substitute in their own user name. My question is...

I see. Thanks. I will.

One other thing, if I cancel a thread, I have to consider the possibility that there could be an unanticipated scenario in which the thread no longer exists at the...

Thanks, but what do you mean by "read cancellation point?"

One other matter, my tests show that if, by chance, the thread no longer exists when I call pthread_cancel, the parent will abend with a...

What is the best way for a parent to kill a child thread that has blocked on a command it cannot finish and will never read another line of its code? Will pthread_cancel() work with a thread that...

I believe that is a correct analysis. My mandate is really not to spend weeks on a single feature, or at least very rarely. They want me to scratch items off my "to do" list and move on. The thing...

The Windows version of the app does patch management as one of its functions. I am required to implement an equivalent functionality for Linux systems. I have succeeded in gathering patch related...

The product exists. I am adding a new feature to the Linux version of the product. I am doing a Linux version of patch management. I had been trying to figure out rollbacks and thought somebody could...

Apparently, my customers aren't of the same opinion.

The customers buy my software specifically for the purpose of managing their PCs, including installed applications, and installed applications are updated only on their specific orders. This is the...

I do have the ability to tell them how my software is installed.

I don't have the ability to tell them how updates for every other package on their system created by some random source should be...

Studying these great responses. I don't have the freedom to mandate tgz. My job is to inform users of all available updates for installed packages. I have to take them as I find them.

Actually, I cannot. My software will wake up on numerous varied systems of unknown configuration.

You are very knowledgeable (as always) and are confirming my fear that no one has solved this...

Hi, Corona.

I also have to consider the possibility that the customer is trying it on basic, necessary software, so I would rather not uninstall and re-install in case something went wrong. They...

A package is an update if it updates an earlier version of the same software.

What would these scripts do?

It would have worked if you had written:

export PATH=$PATH:/sbin/service

I am writing a software product and hope that it will work on a variety of Linux distributions. At the moment, I am trying to create some kind of Linux version of patches/upgrades of installed...