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Messages - Doug Clark

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181
Applications / Re: XFree86-OS/2
« on: March 21, 2019, 09:46:44 pm »
I actually installed OpenSSH from Alex Taylor's distribution - www.altsan.org/os2/utils/


182
Applications / Re: XFree86-OS/2
« on: March 21, 2019, 07:17:20 pm »
Update - I don't have any Linux boxes anymore but I do have a number of MacBooks - which run (or can run) X Windows and run Apple's version of Unix under the covers.

The attached screen shot shows three X Windows applets running on a MacBook  and displayed "seamlessly" on an OS/2 desktop - in this case ArcaOS. To do this I had to (or think I had to) install openSSH on OS/2 in order to connect to the MacBook.  The MacBook required some editing of the sshd_config file to enable X11 forwarding, and the turning on of Remote login in Sharing in System Preferences.

183
Applications / Re: XFree86-OS/2
« on: March 20, 2019, 04:34:15 pm »
Oops - you also need pmx204_guP2.zip.  It contains the missing PMXE*.ZIP files. Unzip both to the same temporary directory and then run the install. The two together comprise the entire package.

Note this is beta software.

184
Applications / Re: XFree86-OS/2
« on: March 19, 2019, 12:24:27 pm »
Martin,
I didn't get that? Do you mean I can run a XFree86 program directly from the OS/2 Command line? (without launching x first?)

If you are using pmx you can start the pmx x windows server in your startup folder. It then sits in the upper right corner of your desktop waiting for a "connection" You can then start any x windows program from the command line.

Dave,

From the great cornucopia of all things OS/2: Hobbes. Search for pmx_204gu.zip.

It appears the default configuration for pmx is to unify the x windows and pm clipboard: there is  a setting to "turn off cut/paste X Windows and PM"

It is interesting that so many applications on Linux are still x windows.

185
Applications / Re: XFree86-OS/2
« on: March 19, 2019, 04:36:53 am »
Martin, Sean,

You could also try pmx as the x windows server on OS/2.  Each x window it creates is a seamless window on the desktop - actually a PM window. So you can resize the window to whatever size you want. I took the screen shot of the Gimp  windows on eComStation 2.0 (running SNAP dual head) with PMview, but pmx appears to run ok on AOS also.

The only x windows application I know of that runs on OS/2 is Gimp. Which makes an OS/2 x windows server useful mainly for running applications on another machine - most probably another machine running Linux. Conceptually sort of like VNC or Remote Desktop - but for unix applications, or applications ported from unix.

I stopped using Linux years ago so Dave Yeo is a better authority on this - but it seems to me the Linux world has moved away from x windows to other graphical APIs for its applications

186
Applications / Re: New DOSBOX build / new ports
« on: March 17, 2019, 11:39:44 pm »
Thanks - I will try the new package

187
Applications / Re: New DOSBOX build / new ports
« on: March 16, 2019, 09:58:02 pm »
It is complaining about not finding libcn0.  Any idea where I can get that?

188
Valery,

vboxsdl.exe, which you suggested, runs much better than virtualbox.exe. On my machine it will restore a saved VM running Windows XP in 2 to 4 seconds. Wow. Faster than virtualPC on Windows 7 running on the same CPU and motherboard. And I like the user interface better: you don't have all the extra menus and icons - just the VM and a title bar. Much closer to seamless.

There are still a couple of small issues:

1) sometimes I have to run the command
vboxsdl --startvm "WindowsXP_Pro"
twice to get the vbox to start. Very rarely three times.  But I don't have to wait between tries - or rather waiting between tries doesn't seem to make any difference from executing the command immediately.

When vboxsdl doesn't start the error returned is:
fatal error: RTR3Init: VERR_INVALID_CPU_ID

2) If I need to run Firefox and vboxsdl at the same time, I have to start vbox first. If firefox is already running vboxsdl will not start. This is true no matter what the setting is for virtualAddressLimit. And after shutting down firefox I have to wait about 10 seconds before vboxsdl will start.

And - though this really isn't an issue, since the vboxsdl user interface is so minimal there is no option for saving the state of the vm when shutting down the vm. You have to do that using vboxmanage, e.g.
vboxmanage controlvm "WindowsXP_Pro" savestate

But since I use a CMD file to start vbox, it is no big deal to use a CMD file to shut down the VM and save its state. If I want to turn off the VM PC I just close the VM window.

Using vboxsdl to run a VM I would rate vbox on OS/2 as better than virtualPC xp mode on Windows 7. Vboxsdl starts faster than virtualPC/xp mode, shuts down/saves its state at least as fast, and the performance inside the VM is at least a good or better than Windows 7/VPC . Plus, from my experience, vbox is more reliable. There is the multiple tries to get vboxsdl to run hiccup on OS/2, but Windows 7/VPC/xp mode also has its issues. I have had xpmode just stop working on two difference Windows 7 machines. The only fix  was to reinstall virtual PC.

Thanks for the suggestion to run vboxsdl, and for your work on vbox.


189
Programming / Re: Can an application be started and run in monoprocessor?
« on: February 28, 2019, 07:23:57 am »
I am using vbox 5.0.51 and it runs pretty well - except for having to pause for about 20 seconds or so between starting vbox and starting a virtual machine. It appears that Vbox doesnt run os/2 clients = at least that is the message I get trying to install OS/2 on vbox on a Windows 7 host. Virtual PC version 5 runs OS/2 clients just fine, on an OS/2 host. It works very will on my ECS 2.x box with a pentium 4 with 2 gb of memory circa 2001 or so. But  VirtualPC does not run on my AMD 4 core machine. I will however try it with the /MAXCPU=1 to see if that makes a difference.  Thanks for the suggestion.

I THINK it is possible to install OS/2 on the MS version of Virtual PC that is available for Windows 7. However the menu item for attaching/using a floppy drive has been removed, so it is a pain to use floppies with the MS version of Virtual PC. You apparently can do it, but it requires running a VB script and I never could get it to actually use an USB attached floppy; only floppy images. Plus I would rather run it on OS/2 as the host.



190
Applications / Re: PMChart - and other v 2.1 applets
« on: February 28, 2019, 07:05:00 am »
I started PMChart with both Firefox 45.9.0 and Vbox running and it worked.

191
Programming / Re: Can an application be started and run in monoprocessor?
« on: February 27, 2019, 09:04:35 pm »
I have wondered about running an application on a single processor.

The app I was specifically wondering about is VirtualPC v 5.1. It is unstable on a multiprocessor system - or perhaps just on a newer system. Do you think marking the exe for no multiple cpu would make it run?

192
Applications / Re: PMChart - and other v 2.1 applets
« on: February 27, 2019, 09:02:26 pm »
Thanks to both Daves: Graser and Yeo. And everyone else.

The unpack (Yeo) and creating directories (Graser) were what I needed.

I have attached a zip file with the app files - arranged in a directory structure that more closely matches AOS and ECS. And as Dave Graser said, it appears to work. I will also upload this in the next couple of days to Hobbes.

193
Applications / Re: PMChart - and other v 2.1 applets
« on: February 27, 2019, 01:17:28 am »
If I thought I had a chance of successfully installing os2 v 2.1 I would do that and extract the app that way. But since I just spent a fun filled couple of days trying to install Warp 3 (in Virtual Box, in Virtual PC, and on hardware with IDE drives and a pentium 4 processor) with no sucess, I am guessing I will never be successful installing v 2.1.

For example I discovered the first install floppy for Warp 3 will not run if the system has more than 4 MB - or more accurately it did not run with 128MB of memory and did run with the virtual machine set to 4MB. The readme says it may not format the disk if the machine has more than 4MB.  I thought PMChart would be on the Warp 3 install media which is why I tried Warp 3 - but as it turns out I can't find it on the Warp 3 CD.

194
Applications / Re: PMChart - and other v 2.1 applets
« on: February 27, 2019, 01:05:13 am »
PMCHART is a somewhat large file (726K) that I think is in some bundled format used by the OS/2 2.1 installer.

The top of the file starts out with what looks like the location for where the installer should put the app - which is what makes me think it is some bundle or package used by the installer.

195
Applications / Re: BackAgain/2000 Unreliable
« on: February 26, 2019, 07:44:10 pm »
Sean,

I purchased an upgrade from Backagain/Pro to BackAgain/2K years ago and found the 2K version to be unreliable so I switched back to the /Pro version. I notice the same issues you did: milssing files. I have found BackAgain/Pro to be pretty reliable.

I have a SCSI DAT tape drive (in the basement) that holds 4 tapes and will switch between tapes, but I have lost the little metal cartrigde/holder the tapes went into. And my single tape drive no longer works, so I abandoned tape some years back. Plus the DAT tapes were limited to about 2GB in size.

I have used Backagain/Pro to backup to hard drives. It does a very nice job of that, but you have the 2 GB max size limitation - which is a pain to work around.

As for tape being unreliable - it is still used on mainframes for backups and it appears that IBM still sells tape drives for mainframe backups. As for how long the tapes will store data without loss, who know? The library of congress is starting to express concern about the longevity of CD-ROM disks even in controlled storage. I know from experience that music CDs stored in a car in a covered case will not last very long. And at one time IBM's specs for their SCSI hard drive specified a maximum life of 10 years regardless of how much the drive was used. It had something to do with how long the media would retain the data - not how long the rotating and other moving parts would last. So anything you backup to will have its limitations.

I currently backup to spinning hard drives located on a separate machine. I have learned the hard way that you need at least 2 backed up copies - on separate devices - of anything you really want to be able to recover - even on hard drives. I use either ZIP or xcopy - but I wish OS/2 had a backup utility like TimeMachine on the MAC. What I have started wondering is if SSD drives will store data longer than spinning drives. I know that SSDs have limitations for the number of times you can write to the drive, but I don't know what the life expectancy is of data stored and left on an SSD.



 

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