# Technical Questions **URL:** https://forums.suse.com/c/academy-topics/technical-questions/121.md [Latest](https://forums.suse.com/latest.md) · [Categories](https://forums.suse.com/categories.md) --- ## [About the Technical Questions category](https://forums.suse.com/t/about-the-technical-questions-category/21591)
**Author:** [@system](https://forums.suse.com/u/system)\ **Replies:** 0
--- ## [Difference between RPM and zypper?](https://forums.suse.com/t/difference-between-rpm-and-zypper/35547)
**Author:** [@Suresh\_M](https://forums.suse.com/u/Suresh_M)\ **Replies:** 1\ **Last updated:** [April 12, 2021, 12:32pm UTC](https://forums.suse.com/t/difference-between-rpm-and-zypper/35547 "2021-04-12T12:32:01Z")
What is difference between RPM and zypper? --- ## [Improve Lab speed in Chrome](https://forums.suse.com/t/improve-lab-speed-in-chrome/35504)
**Author:** [@jan.mihlin](https://forums.suse.com/u/jan.mihlin)\ **Replies:** 7\ **Last updated:** [March 30, 2021, 3:59pm UTC](https://forums.suse.com/t/improve-lab-speed-in-chrome/35504 "2021-03-30T15:59:54Z")
The lab is working for me but it takes roughly 10-20 seconds to execute just a single click or command. Is there a way to increase its performance? --- ## [trying to do SSH exercises and can't resolve host names?](https://forums.suse.com/t/trying-to-do-ssh-exercises-and-cant-resolve-host-names/35522)
**Author:** [@Viet](https://forums.suse.com/u/Viet)\ **Replies:** 3\ **Last updated:** [March 23, 2021, 12:10pm UTC](https://forums.suse.com/t/trying-to-do-ssh-exercises-and-cant-resolve-host-names/35522 "2021-03-23T12:10:56Z")
Not sure if servers are even up to resolve? --- ## [The Lab Environment isn't working for me anymore](https://forums.suse.com/t/the-lab-environment-isnt-working-for-me-anymore/33971)
**Author:** [@a\_contre](https://forums.suse.com/u/a_contre)\ **Replies:** 4\ **Last updated:** [March 18, 2021, 7:03pm UTC](https://forums.suse.com/t/the-lab-environment-isnt-working-for-me-anymore/33971 "2021-03-18T19:03:42Z")
It was working fine until Tuesday, then it crashed. I tried restarting Chrome, pushing the reset button, but nothing seems to work. The last time I try to get in, didn’t show me any error, just the “The please wait…” mes… --- ## [Lab Score](https://forums.suse.com/t/lab-score/35506)
**Author:** [@Bart\_omiej](https://forums.suse.com/u/Bart_omiej)\ **Replies:** 3\ **Last updated:** [March 15, 2021, 3:45pm UTC](https://forums.suse.com/t/lab-score/35506 "2021-03-15T15:45:26Z")
Hey, I made 2-3 labs double time with instruction, and I didn’t claim score for this. Should I do it again to score pass from 0/1 to 1/1 or maybe score will be increased after some time? --- ## [There was a problem trying to load your lab](https://forums.suse.com/t/there-was-a-problem-trying-to-load-your-lab/33781)
**Author:** [@666\_KEIDO\_999](https://forums.suse.com/u/666_KEIDO_999)\ **Replies:** 1\ **Last updated:** [April 8, 2019, 7:22pm UTC](https://forums.suse.com/t/there-was-a-problem-trying-to-load-your-lab/33781 "2019-04-08T19:22:17Z")
I want to make labs, Partner Certification Promotion - SLE201v12 SUSE Linux Enterprise Server 12 Administration i have restarted chrome, and reset the lab without any result i got this error: Failure creating stack \[s… --- ## [Windows Domain Membership in OpenSuse 9.3](https://forums.suse.com/t/windows-domain-membership-in-opensuse-9-3/33733)
**Author:** [@Marzuliani](https://forums.suse.com/u/Marzuliani)\ **Replies:** 0\ **Last updated:** [March 28, 2019, 12:21pm UTC](https://forums.suse.com/t/windows-domain-membership-in-opensuse-9-3/33733 "2019-03-28T12:21:13Z")
--- ## [How do I simulate Ctrl+Alt+Del (or any other combination)?](https://forums.suse.com/t/how-do-i-simulate-ctrl-alt-del-or-any-other-combination/33718)
**Author:** [@Academy\_Instructor](https://forums.suse.com/u/Academy_Instructor)\ **Replies:** 0\ **Last updated:** [March 26, 2019, 8:14pm UTC](https://forums.suse.com/t/how-do-i-simulate-ctrl-alt-del-or-any-other-combination/33718 "2019-03-26T20:14:09Z")
If you are in fullscreen mode and wish to send Ctrl+Alt+Del (or any other key combination) to the virtual machine, hover the mouse over the top center of the screen and click on the right icon: . If you are not in fullsc… --- ## [Where are the labs inside the course?](https://forums.suse.com/t/where-are-the-labs-inside-the-course/33717)
**Author:** [@Academy\_Staff](https://forums.suse.com/u/Academy_Staff)\ **Replies:** 0\ **Last updated:** [March 26, 2019, 7:38pm UTC](https://forums.suse.com/t/where-are-the-labs-inside-the-course/33717 "2019-03-26T19:38:11Z")
The lab window is below the lab exercises. Go to the lab exercise screen and scroll down. For the best and fastest experience use Chrome as your web browser. --- ## [How do I exit fullscreen mode?](https://forums.suse.com/t/how-do-i-exit-fullscreen-mode/33710)
**Author:** [@Academy\_Instructor](https://forums.suse.com/u/Academy_Instructor)\ **Replies:** 0\ **Last updated:** [March 26, 2019, 6:07pm UTC](https://forums.suse.com/t/how-do-i-exit-fullscreen-mode/33710 "2019-03-26T18:07:42Z")
To exit fullscreen mode, hover the mouse in the top, center of the screen until you see the following: . Click on the icon on the left to exit fullscreen mode. --- ## [How do I view the virtual machine in fullscreen mode?](https://forums.suse.com/t/how-do-i-view-the-virtual-machine-in-fullscreen-mode/33709)
**Author:** [@Academy\_Instructor](https://forums.suse.com/u/Academy_Instructor)\ **Replies:** 0\ **Last updated:** [March 26, 2019, 6:04pm UTC](https://forums.suse.com/t/how-do-i-view-the-virtual-machine-in-fullscreen-mode/33709 "2019-03-26T18:04:18Z")
To view the virtual machine in full screen mode, click the View menu and select Fullscreen. Alternatively, you can click on the fullscreen icon in the upper right-hand corner of the window: . --- ## [What is the password?](https://forums.suse.com/t/what-is-the-password/33707)
**Author:** [@Academy\_Instructor](https://forums.suse.com/u/Academy_Instructor)\ **Replies:** 0\ **Last updated:** [March 26, 2019, 3:35pm UTC](https://forums.suse.com/t/what-is-the-password/33707 "2019-03-26T15:35:14Z")
We use the same password for all user accounts (including the root user) it is \[FONT=Lucida Console\]linux\[/FONT\].