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# apt-get install kvm kvm-source
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package kvm-source
While installing kvm in my ubuntu12.04 lts machine. I got this error.What i want to do.
It seems this package just doesn't exist:
apt-cache search kvm-source
#if it returns nothing it means the package doesn't exit
As long as we want to search only Ubuntu official repositories, we can also check on http://packages.ubuntu.com/. Here we see that the package kvm exists, but that kvm-source doesn't.
If you want to retrieve the source for this package, you should try
apt-get source kvm
(see man apt-get for more info on the source command)
Edit to answer comment:
You can check if a package is installed with e.g.:
dpkg --status kvm
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I have some experience with Linux systems and finally switched to Arch Linux. The setup went fine and everything seemed to work well until this morning. Since then I encounter two problems that could have the same source, here I will briefly describe theme:
When trying to clone repositories from github (or other sources) using ssl I will get the following message on my arch setup:
fatal: unable to access 'https://github.com/random/repository/to/clone.git': Insufficient randomness
When trying to generate a key pair using ssh-keygen I receive the following error:
PRNG is not seeded
So my guess was, that this has something to do with random generators of the system and researched a lot there.
I did already recreate both
mknod /dev/random c 1 8
and
mknod /dev/urandom c 1 9
using mknod.
I installed the following packages:
rng-tools 6.16.1
jitterentropy 3.4.1
rtl-sdr 10.8.0
I installed Arch Linux last Friday and everything seemed to work fine. The Kernel is 6.1.10, it should be up to date. Due to the problems with the ssl connection I cannot not directly use pacman to install new packages or update the installed versions, but I is possible to download them from a mirror and install them by using pacman -U.
The entropy available seems to be stable at 256, which older pages tell me is way to low, but with the newer kernel versions is fine. I use a laptop from DELL, if the specs are relevant I can provide them. For all I read, there are a lot of old solutions but I found no matching problem and not quite relevant for more modern kernels (like using haveged, could be, but should not be necessary how I understood it).
To use root privileged to create keys or clone a git does not change a thing.
I hope anyone has an idea that will help me and I will provide any further information that could be helpful for solving the problem.
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Using Python 3.9.7(64-bit).
Gets forever to install the packages
After installing, it shows which environment to download Tensorflow in. After I choose 'base' it loads for sometime and gives out error.
What can be wrong ??
Try to install Tensorflow over the terminal.
Step 1:
conda activate base
Step 2:
conda install -c conda-forge tensorflow
If this installation command doesn't work, here is the official link to the Anaconda forum. There you will find more commands you could try out.
If none of those things work out I would try to reinstall Anaconda.
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I'm working on a computer on which Nvidia drivers and Cuda were installed by someone else so I don't know the method they used to install them.
In the /usr/local/ there were two directories cuda and cuda.10.0. Running nvidia-smi would output:
CUDA Version: 11.0
which made me believe two cuda versions were installed on the system which were causing some errors.
following this question I removed cuda by first doing:
sudo apt-get --purge remove "*cublas*" "cuda*" "nsight*"
and then doing
sudo rm -rf /usr/local/cuda*
(I did not uninstsall nvidia-drivers and Driver Version: 450.80.02 is installed).
Running nvidia-smi still outputs:
CUDA Version: 11.0
How do I uninstall cuda 11? I prefer to have cuda 10 and I can't find where cuda 11 is installed.
Do I need to uninstall nvidia-drivers as well?
The nvidia-smi command does not show which version of CUDA is installed, it shows which CUDA version the installed nVidia driver supports, so there is no problem here, just the incorrect interpretation of the output of this command.
Even if you remove all CUDA installations, nvidia-smi would still show the maximum CUDA version that you can use with this driver.
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Is there any way to install hardware monitoring tool like lm-sensors on proxmox VE 4.2 (was installed from ISO: https://www.proxmox.com/en/downloads)? Or maybe there is another way to monitor host's hardware (cpu/mb/hdd temp, fan speed, etc)?
apt-get result:
root#pve:~# apt-get install lm-sensors
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package lm-sensors
Look's like proxmox use it's own repo, if so how additional repos can be added?
Thanks!
One more question: What monitoring system (with web-interface) can be used on proxmox? or some web front-end for lm-sensors
no need to add repository if the Debian main one is present in /etc/apt/source.list.
Here is mine :
deb http://ftp.fr.debian.org/debian jessie main contrib
# security updates
deb http://security.debian.org jessie/updates main contrib
# PVE pve-no-subscription repository provided by proxmox.com, NOT recommended for production use
deb http://download.proxmox.com/debian jessie pve-no-subscription
Just do apt-get update && apt-get install lm-sensors
Try to install Netdata (https://www.netdata.cloud),
a free monitoring tool, easy to install.
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Is there any known way to use the Kinect as a webcam inside a Linux environment, perhaps using openkinect to some capacity?
Casually late to the party, but here's what I had to do with my Kinect v1 (xbox 360).
Video
Dunno why the module doesn't load automatically when the Kinect is plugged in, but doing it manualy gives us the Xbox NUI Camera at /dev/video0 which then shows up anywhere you'd expect (cheese, vlc, browser, etc...):
sudo modprobe gspca_kinect
Note that this isn't persistent so you'll need to type it after restarting the computer, or if you unload the module manually.
Audio
The microphone array won't show up in pulseaudio unless we upload a (specific?) firmware to the Kinect. Someone worked out how to do that and in theory it should be as simple as:
sudo apt install kinect-audio-setup
In practice tho, the md5 check sum of microsoft's firmware has changed so the install fails. To fix it, we need to open the script in an editor and update the md5 sum:
sudo micro /usr/sbin/kinect_fetch_fw
Then replace the SDK_MD5 value at the top of the script, by 945806927702b2c47c32125ab9a80344 (as of time of writing, but that might change again).
Once that's done just run apt again and it should finish the install fine.
sudo apt install kinect-audio-setup
The install will also write a udev file to upload the firmware automatically whenever the Kinect is plugged in.