kvm | Simple Docker KVM container | Continuous Deployment library
kandi X-RAY | kvm Summary
kandi X-RAY | kvm Summary
Generic container for launching a Virtual Machine inside a Docker container. Partially based on RancherVM project.
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QUESTION
I am a little bit confused about my network setup at home.
This is the setup:
VLAN1 - 172.16.20.0/24 VLAN2 - 10.11.12.0/24
I am in the VLAN2 net (which is my WiFi), for the moment I allowed all traffic between both subnets.
My setup uses a KVM host for most of the services, my firewall lies on this machine and is virtualized (opnsense).
So the KVM network interfaces looks like this:
...ANSWER
Answered 2021-Jun-11 at 17:32I fixed it by myself. The management interface itself was missing a route to the VLAN2 net. Works now :)
QUESTION
I have 2 questions as I am currently trying to learn minikube and now wants to install it;
1- Which driver is preferable for Minikube (KVM or docker) ? Does one have some sort of advantage over other ?
2- Is it possible to install and run the minkube inside a VM managed by KVM ?
...ANSWER
Answered 2021-Jun-08 at 18:431 - There is no "better" or "worse". Using Docker is the default and with that the most supported version. 2 - Yes, it is possible to run Minikube inside a VM.
QUESTION
I'm trying to set up QEMU/KVM and faced the following issue:
...ANSWER
Answered 2021-Jun-07 at 10:25"-object format=raw" says "create a QOM object, whose type I have not specified, and then give it the option format=raw". The error message is a bit unhelpful, but it's trying to tell you that that makes no sense.
What you need to do is replace the "-hda ubuntu.img" with a "long form" set of options which provide you with a place to tell QEMU to use format=raw for that disk image file. You can find out how to do that in the answer to this existing question.
QUESTION
I need a simple ODBC test scenario on WIN which I can configure very simply and be assured it is working in support of another question at Unix.SE.
In a nutshell I'm trying to setup a PyODBC/Python script connection from Debian 10 (192.168.1.2) to Windows 10 in KVM/QEMU virtual system (192.168.1.12).
First, on the Windows 10/KVM, I see the ODBC Data Source Administrator
has a tab File DSN
and Microsoft Text Driver
. Can I use FileDSN to test Python PyODBC connection to ODBC using a simple CSV file in place of Server?? (My research with ODBC only finds running server instances).
Next, what I tried:
On Debian I installed ODBC Microsoft driver for Linux.
Shutdown the Windows 10 firewall, and I can ping in both directions:
$nmap -p 22 192.168.1.12
# Deb to Win> Test-NetConnection 192.168.1.2 -p 22
# Win to DebOn Windows 10/KVM I added a FileDSN with Microsoft Text Driver. I created a CSV file (
odbc_test_01.csv
) with simple header and one row of data (IE.{'ID' : 1, 'NAME' : 'FOO'}
)Created a Jupyter Notebook to make testing easier. Here is my connection string and the results:
...
ANSWER
Answered 2021-May-02 at 13:25An ODBC "File DSN" is not a driver for accessing data in a file. It is a way to specify a DSN (connection information for a target database) as values in a standalone file instead of in a standard configuration file on Linux (e.g., /etc/odbc.ini
) or in the Windows registry.
If you need to "clone" a Windows DSN entry for use in a Linux environment then you may find my dump_dsn utility helpful. It retrieves an ODBC DSN from the Windows registry and presents it in a form that you could use to recreate the DSN on Linux.
For example, say I had a DSN named "mssql199" on Windows and when I ran dump_dsn.to_text("mssql199")
on it I got
QUESTION
I have a windows 10 guest that runs on QEMU/KVM. The distribution is RHEL 8.3, and the QEMU version is 4.2.
Everything works great, except from the fact that I can't make the virtual machine spread all across the screen.
Does any one know how to solve it? Does the domain XML has an affect on this?
...ANSWER
Answered 2021-May-27 at 15:29To solve this change the resultion of the display from within windows:
Right click with the mouse on the windows background -> Display settings -> Display resolution
And pick the required resultion!
QUESTION
ANSWER
Answered 2021-May-25 at 15:54I can't find the last two rows in your HTML. But to extract the information using selenium and python, based on the HTML given, you could write something like this (though the output is transposed):
QUESTION
When logged in through virsh console on to KVM. hostname is not shown properly in bash prompt. We are using 63 character hostname.
KVM Guest OS: Red Hat Enterprise Linux Server release 7.9 (Maipo) Host OS: Red Hat Enterprise Linux Server release 7.6 (Maipo)
I don't see above issue when logged in using ssh or virt-manager
hostname i'm using is Nikiabcdefdhijklmnopqrst898hd-uvwxyz-jkkdjkjdsdadjkjkkjdkjsdj90
...ANSWER
Answered 2021-May-25 at 09:30adding below line in /etc/bashrc
resolved the issue.
QUESTION
and I appreciate in advance for your help on this. I have a VPS with the following specs:
OS: Centos 7.x CPU Model: Common KVM processor CPU Details: 6 Core(2200 MHz) Distro Name: CentOS Linux release 7.9.2009 (Core) Kernel Version: 3.10.0-1160.25.1.el7.x86_64 Database: Server type: MariaDB Server version: 10.2.38-MariaDB - MariaDB Server
And here is mu sqltuner output from letting it run after 48 hours and uptime.
...ANSWER
Answered 2021-May-24 at 18:37Rules for memory allocation.
- Do not allocate so much RAM that swapping will occur. Swapping is terrible for MySQL/MariaDB performance.
- Do adjust
innodb_buffer_pool_size
such that most of RAM is in use during normal time and even for spikes in activity. (I often say "set it to 70% of available RAM", but you are asking for more details.) - Do not bother changing other settings; they add to the complexity of "getting it right".
There are 3 situations (based on innodb_buffer_pool_size and dataset size):
- Tiny dataset -- buffer_pool is bigger than necessary --> wasting some of RAM, but so what; it is not useful for anything else. And it give you some room for growth.
- Medium-sized dataset -- Most activity is done in RAM; the system will run nicely.
- Big dataset -- The system may be I/O-bound. Adding RAM is a costly and brute force solution. However, some software techniques (eg, better indexes) may help, such as this for WordPress and WooCommerce.
QUESTION
I'm looking for a way to get a quick view of the hypervisor when looking for a guest virtual machine (running KVM).
I have a script that collects all my hypervisors (with guest VMs) in a single text file separated by a line break (see example below):
...ANSWER
Answered 2021-May-11 at 10:43With your shown samples, could you please try following.
QUESTION
so I am installing wordpress locally following https://ubuntu.com/tutorials/install-and-configure-wordpress in KVM/Qemu, when I get to stage 5 "configuring wordpress from the browser" where you set the site title username and password I get an error...
cannot find /etc/wordpress/config-192.168.122.54.php
But I know the file is actually named...
/etc/wordpress/config-localhost.php
So I copy the file config-localhost.php to config-192.168.122.54.php in the same directory and it takes me to page I expected to land on, to configure wordpress.
My question is should I proceed knowing the IP will change due to DHCP or is there a simpler solution. My VM network Interface is "Virtual Network 'default': NAT" if this matters?
I know this is a hack and probably will break but does anyone know the correct solution, why is it expecting me to connect from 'localhost' URI and not allowing me to connect remotely to the VM. Why is it taking the address from the URL to search for the file on the server??
...ANSWER
Answered 2021-May-05 at 23:56You can save yourself a bunch of hassle by making a symbolic link :
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