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Operating Systems

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Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.

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Dear Experts

How to apply restrictions for the desktop/laptop users who use windows10pro and ubuntu desktop to install/remove any applications, only the system administrator should be able to install and update the systems, if user require application to be installed they should bring to system admin and system admin should only be able to perform this task,
1. how to achieve this for windows10 pro system
2. how to achieve this for ubuntu desktop system
please suggest thanks in advance.
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I have an HP EliteBook laptop that was getting a new image. This is a G2 laptop. Anyway I started the laptop image in the Microsoft System Center\software center. Selected the name-G2 - ME firmware - install bios - and googleDriveSync. I then selected and downloaded the ME updater. The firmware finished. Then in the bios I selected fast boot, PXE internal nic, PXE internal IPV4 nic, and under secure boot config I selected UEFI native without CSM then under device settings checked the box that said SATA device mode set to AHCI, VTx is checked  and G2 only then saved it. Then the user grabbed it before I could start the rest as I had to make a call to another user. She took the laptop and now it will not boot to any OS and goes to shut down mode. I was told that this would make a brick out of the laptop? Is there no way to get this laptop back to factory settings without a new motherboard being needed? This is really my question.
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On Mac OS High Sierra, I use VPN through the tunnelblank program. When I turn on the VPN, the Internet stops working inside the virtual machine. I have Ubuntu and Windows via Parallels.

What could be the problem ?

The problem does not occur in vmvare
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Hello

Has anyone had any experience with rolling out the HP Device Manager agents to any thin clients that do not have it installed?
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Yesterday I installed the "stable channel" Docker for Mac (I'm running OS 10.13.4).

Following these directions: https://docs.docker.com/docker-for-mac/#preferences-menu I was able to install and see Docker from a Terminal window but pretty soon the directions start to reference "Preferences" and there is no Docker icon in my Menu bar.

I've moved the Docker Icon from applications to my Mac Dock and literally nothing happens when I click on it (e.g. there is no dot indicator under the program that it's running).

How can I get to Docker Preferences? Am I hosed and need to start over or am I missing something obvious?

Thanks!
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Firefox bookmarks location

See here first:
https://www.experts-exchange.com/questions/29095092/Lost-Firefox-bookmarks.html

There are two folders which say "Windows.old" & "Windows.old.000".  I found a .json bookmarks file that says "bookmarks-2017-06-27.json" so I can get to this file.

I can use this file, but going back further do you know of how firefox stores bookmarks that have not been backed up (using the menus Bookmarks > Import and Backup > Backup...)

Since the bookmarks were never backed up in this way either I would like the most recent version before the OS reinstallation and since Firefox remembers all your bookmarks without having to use the above commands then the file must be stored on the hard drive somewhere.
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Please provide me with the command line command I can run to determine if Windows 10 has pending/required reboot before further system changes can be made.
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Good Afternoon everyone

At my HP ProBook 450 G5, only the mouse is recognised in the device manager and the Synaptic Touchpad isn't. I installed all available drivers and uninstalled them etc. I've made a comparison between the same model but two different operating systems (Win7 and Win10). With the operating system Windows 10 it functions perfectly. (See appendix)

The Touchpad functions, it is just not recognised by the System and in follows of that I cannot configure the options for the Touchpad by Synaptic-Software/driver.

The aim of the whole, is to be able to deactivate the Touchpad in the device manager / Synaptic driver.

Who can help?

Im sorry if my Text contains some grammatical or other missive mistakes.

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The USB drivers have been overwritten by mistake.

Win7 64bit.
Hardware: AMD processor + Asus Motherboard F1A55-M LK R2.0

I use USB wireless keyboard and mouse.
The Windows starts normally up to logon, where I have to input the password.
The keyboard and mouse are frozen at that point.
In BIOS USB legacy is enabled. In BIOS the keyboard and mouse work fine as well as before Windows is loaded. When Windows is loaded with eth wrong/corrupted USB drivers, then everything is frozen and I cannot go inside Window.
I can boot from USB with a portable version of OS and I can modify the Windows folders/files if it is needed.
I can remove the HDD and attach it to another PC if is needed for repair.
I can start Win7 repair from USB, but so far no good.
I do not want to reinstall windows.
I tried some ideas as described here:
http://troubleshooter.xyz/wiki/fix-usb-device-not-recognized-by-windows/

I have only next ideas:
1)      I ordered a PS/2 to USB adapter, because the motherboard has PS/2 ports.
2)      Windows repair
3)      Modify usb drivers from outside the Windows

What do you suggest to do and how to proceed?
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hello
my cnc 3 tiberium war cane edition stopped working in 2 min.
my os is -  windows 7 sp 1
32 bit


what can i do ...........

                    pleas help
0
Free Tool: Path Explorer
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Free Tool: Path Explorer

An intuitive utility to help find the CSS path to UI elements on a webpage. These paths are used frequently in a variety of front-end development and QA automation tasks.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

I'm looking for webmin-like interfaces for my server. I really want more of an actual OS feel in a browser, and I find Webmin is limiting. Any one have suggestions?
0
Hey,
I'm an android developer and I'm facing a problem in running my app in background. I'm trying in vivo 9 which have android 8 os in it. I sow whatsapp is running properly even when I swipe it off from background. But when I swipe off my app it stops running. I excluded it from battery optimization & also given high rank consumption. also locked the app to run in background by clicking the lock icon.
I think android 8 did some changes. but still I need a clear answer. Please help!
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I would like to know if it's possible, from an OS which have full access to Apt-Get from command line, to create an install package to an USB stick, and take this stick and put it in a VM who is pretty much locked down by our provider?

I'm not trying to hack, just simply install Nano editor on it with its dependancies, because the provider somehow changed the list of servers where Apt-Get get it's packages.  It seems to point to itself (127.0.0.1).   So now i'm stuck with VI editor.  I guess they have done this for system stability...   but i know that if i'm stuck with VI, i'll end up by making a mistake.  

Thanks you
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Windows 2008R2: after server reboot, I got tons of the error EventID 36888 and server services won't start in timing fashion. I have to wait like a day or two then the server will able to login.

Log Name:      System
Source:        Schannel
Date:          4/13/2018 12:58:03 AM
Event ID:      36888
Task Category: None
Level:         Error
Keywords:      
User:          SYSTEM
Computer:      AMEXCASserver1.mydomain.net
Description:
The following fatal alert was generated: 20. The internal error state is 960.
Event Xml:
<Event xmlns="http://schemas.microsoft.com/win/2004/08/events/event">
  <System>
    <Provider Name="Schannel" Guid="{1F678132-5938-4686-9FDC-C8FF68F15C85}" />
    <EventID>36888</EventID>
    <Version>0</Version>
    <Level>2</Level>
    <Task>0</Task>
    <Opcode>0</Opcode>
    <Keywords>0x8000000000000000</Keywords>
    <TimeCreated SystemTime="2018-04-13T04:58:03.815588200Z" />
    <EventRecordID>78419</EventRecordID>
    <Correlation />
    <Execution ProcessID="580" ThreadID="6620" />
    <Channel>System</Channel>
    <Computer>AMEXCASserver1.mydomain.net</Computer>
    <Security UserID="S-1-5-18" />
  </System>
  <EventData>
    <Data Name="AlertDesc">20</Data>
    <Data Name="ErrorState">960</Data>
  </EventData>
</Event>
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All,

We have windows 7 client operating systems (Volume licenses). We activated all operating system with KMS(local host). But when we are taking machines out of domain and moving it to our regional office where we don't have VPN or any connection to HQ. All these machines are asking again for activation, it mean they are deactivating by itself. May i know what would be the solution.

Regards
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Using SNDNETF to another system - both sending and receiving using Enterprise Extender - the distribution queue is stuck with status = 'SENDING'. In order to shake it loose, I have to go to the receiving system and forcibly end the APPC controller, end the HOST controller and associated LUs, and then restart the APPC before restarting the HOST. Then going back to the sending system, the distribution queue is RTY-WAIT and I can give it a nudge (with a 2) and it goes through.
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I need to find a Safe link to software that will enable me to extend a drive on server 2008 r2.  Any reccomendations?   When i shrink the volume, the free space appears ahead of the os drive and the extend remains greyed out.
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Is it possible to split a RAID10 config on an HP ProLiant server with an E200i controller?
I have a backup DC in a branch location.
This server has 8 x 146GB 2.5" SFF HDDs in a RAID10 config.
Besides being the backup DC, this server is also a backup file server for that branch.
The primary server in that branch has more space and the amount of data has now exceeded the amount of space on the backup server.
I was reading about RAID splitting but I can't determine if this RAID controller supports it.
I'd rather not have to demote the DC and rebuild from scratch.
I was thinking I could get 8 x 300GB 2.5" SFF HDDs and follow the HP documentation for manually splitting the RAID config.
Hopefully someone here can give me some insight or perhaps let me know of an alternative solution that doesn't require me to have to reinstall the OS.
Thanks in advance.
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Dear expert

I would like to know how FTP works with file modification time.

When you get something from ftp the windows is showing the file is created by yesterday, not today when you received, I mean when you write something to the disk, OS should write the create time is today right? But it doesn't why is that?

Regards
0
Free Tool: Subnet Calculator
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Free Tool: Subnet Calculator

The subnet calculator helps you design networks by taking an IP address and network mask and returning information such as network, broadcast address, and host range.

One of a set of tools we're offering as a way of saying thank you for being a part of the community.

I have 3 IOGear KVM Switches.

The first swaps out from my PC to my laptop almost immediately. Going back it takes about 3-5 seconds.

The second two take anywhere from 20 to 30 seconds swapping back to the PC. But going to the laptop is a few seconds again.

My laptop is:
Intel Core i7-7700HQ CPU @ 2.81Ghz 2.81 Ghz
16.0 GB RAM
64 bit OS, x64-based processor
Windows 10

My PC is:

Intel Core i7-4790 CPU @ 3.670Ghz 3.60Ghz
32.0 GB RAM
64 bit OS, x64-based processor
Windows 10

My question is: Why is it so much slower on the return trip from the laptop to the PC on one IOgear and not the other?

I don't want any guesses, as I'd like a response from someone who knows about these things, because I can guess that returning to the PC is slow because the CPU is older, but I don't know why one switch would be faster and 2 slower.

I'd like to hear from someone who knows, if that person exists on here.

Thanks!
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Dear experts,

I purchased a new WINDOWS10 HP laptop.

The vendor advised me to take the OS (Windows 10) backup.

I am attaching the pictures of the drive.

Kindly advice how to take the backup on a flash memory. Can I put a pw to the flash memory.

Thank you
reocvery-1.jpg
reocvery-2.jpg
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Hi,
How to avoid problem below, in Win 7?
23c.png
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I recently restored a disk image made from an HP Envy 17t-K200 to an HP Envy 17 K250CA notebook, which has an identical motherboard.  There are now two operating systems on the K250CA.  One of them, a fresh Windows 7 Professional SP-1 install, works fine.  The other -- the restored disc image -- boots a black screen, without the Windows logo.  If I use the Windows installation media to repair startup, it reports that the O.S. booted successfully.  There is no hardware issue, because the other O.S. performs normally.  I'd appreciate suggestions on getting the restored O.S. to work.   I understand there are some driver issues, but I don't see how that would stop the  Windows logo from appearing.
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sc delete is not working for me to delete service.  this is a windows 2012 os.  Any suggestions?  
the error that we are receiving is "The specified service does not exist as an installed service"
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i have a user who when printing, has documents that go to the print queue and show a status of document sequence 1 and then print. he is set up like other users in the area on a computer configured like others-same model, OS age, etc. and prints to a network printer. when others print to the device, it prints immediately and if printing to another print device, it prints immediately. but the one next to the user has a 20 second delay. How can i get rid of the delay? it is a network assigned printer and i have done the basics like 1. reinstall the printer, 2 reinstall the driver, 3 stop and start the print spooler.
0

Operating Systems

34K

Solutions

36K

Contributors

Operating systems perform basic tasks, such as recognizing input from the keyboard, sending output to the display screen, keeping track of files and directories on the disk, and controlling peripheral devices such as disk drives and printers. For large systems, the operating system makes sure that different programs and users running at the same time do not interfere with each other. The operating system is also responsible for security, ensuring that unauthorized users do not access the system. Operating systems provide a software platform on top of which other programs, called application programs, can run.