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Jesse_b
Jesse_b
1:14 PM
./goodmorning.sh > /dev/chat
 
Jesse_b
Jesse_b
1:50 PM
Are local variables a bashism?
 
Jeff Schaller
Jeff Schaller
2:18 PM
@Jesse_b not sure about csh, but here's some reading
 
Jesse_b
Jesse_b
2:58 PM
@JeffSchaller Cool, so likely supported but not POSIX
And I don't think anyone is sure about csh
 
Ungeheuer
Ungeheuer
3:17 PM
What's the fastest Linux guest for VirtualBox? I'm using CentOS7 guest in Windows 10 host, and it's starting to feel slow. It's got 11GB of RAM, 4 cores, power management is set to high performance, and I manually set the minimum and maximum CPU thresholds to 100%.
I don't know what else I can do to make it any faster.
 
Kusalananda
Kusalananda
3:31 PM
@Jesse_b No. Local variables are implemented by most shells.
... possibly with slightly varying syntax (often with local or typeset or variations thereof)
 
Jesse_b
Jesse_b
3:46 PM
@Kusalananda Thanks
 
 
1 hour later…
Jesse_b
Jesse_b
4:47 PM
I'm not sure why but it feels really satisfying when Stéphane edits one of my answers. Same with @Kusalananda for that matter
 
 
2 hours later…
derobert
derobert
6:56 PM
@Ungeheuer What part is slow? "starting to feel slow" is pretty non-specific...
Virtualization normally gives almost no overhead on CPU and memory access and a slight overhead on disk and network I/O. No idea about GPU.
 
Kusalananda
Kusalananda
7:43 PM
It's usually the disk that suffers most, with at least two layers of possible fragmentation (the guest FS and in the host FS), if one uses a disk image.
On the VMs I run, network is never a problem.
 
derobert
derobert
Yeah, normally you only notice disk. Though sometimes its faster too (if, e.g., you decide to have the host cache guest disk access and ignore flushes, it's much faster! At least as long as the host doesn't crash.)
 
Jesse_b
Jesse_b
Good enough for the vms I go out with
 
derobert
derobert
I don't have any guests where graphics performance matters. I wouldn't be surprised if it is terrible.
But I doubt anyone on Windows runs a Linux VM to run games.
 
Jesse_b
Jesse_b
8:27 PM
I run a linux vm on my windows machine and then use wine within it to play windows games
 
Kusalananda
Kusalananda
@Jesse_b VMS?
 
Jesse_b
Jesse_b
@Kusalananda virtual machines
 
Kusalananda
Kusalananda
OpenVMS
OpenVMS is a closed-source, proprietary computer operating system for use in general-purpose computing. It is the successor to the VMS Operating System (VAX-11/VMS, VAX/VMS), that was produced by Digital Equipment Corporation, and first released in 1977 for its series of VAX-11 minicomputers. The 11/780 was introduced at DEC's Oct. 25, 1977 annual shareholder's meeting. In the 1990s, it was used for the successor series of DEC Alpha systems. OpenVMS also runs on the HP Itanium-based families of computers. As of 2019, a port to the x86-64 architecture is underway.The name VMS is derived from virtual...
 
Jesse_b
Jesse_b
> OpenVMS is a closed-source...
wtf lol
 
 
1 hour later…
Tanker
Tanker
10:01 PM
Hello again...
I need help setting up a 2 video card system, both cards are nVidia, problem is, one card is the GT 610 and the other is a GTX 1050Ti... currently only the 610 is working the other is not, Debian 10... it does recognizance both cards but only one is working when I try to update or upgrade the driver it does nothing...
Ref: https://unix.stackexchange.com/q/531791/363744
 

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