@wrcombs

Dont dual boot, no need.

You had issues in VBox cause it does not support passing virtualization extensions aka nested virtualization.
Install that even as trial, and install Centos VM and not Ubuntu. (Most KVM runs on RHEL or Centos)

Then from Centos minimal :

1. Check CPU support for Virtualization:
   grep -E '(vmx|svm)' /proc/cpuinfo

2. Install KVM:
   yum groupinstall Virtualization "Virtualization Platform" "Virtualization Tools"

3. Disable firewall or Configure accordingly:
   systemctl stop firewalld
   systemctl disable firewalld

And that is it, you have functional KVM host, from inside your Windows 10 Pro, without dualboot.

@emad-r

Fake Comment to make the post go back up and more people see it to help... corrupt comment.

@wirestyle22

I have it hosted an enterprise grade server or Lenovo m5 x3650 in a VM, but after while performance suffers alot. The restarts that I need it to perform to containers was not on daily basis to be honest, but like it occurred a couple of times. But that tarnished my image of Docker, considering how reliable and strong the LAMP stack in any version of Linux.

This is the standard for WiFi USB Adapter in my organization:

http://www.tp-link.com/us/download/TL-WN722N.html

If you have WiFi N network, grab it, anything else you need more advanced one.

@black3dynamite

Both are disabled and not active in this testing environment.

Using combination of :
https://www.collaboraoffice.com/code/
and
https://nextcloud.com/collaboraonline/

Using latest up-to-date Centos Minimal 7

My goal is just to create the CODE instance and open it in my browser, I know it is not functional site more like a service, but it should open up in my browser with the help of Apache or Nginx, neither is working cause I feel the installation steps are missing something.

CentOS 7 (at least 7.2)

Please type the following commands into the shell as root:

# import the signing key
wget https://www.collaboraoffice.com/repos/CollaboraOnline/CODE-centos7/repodata/repomd.xml.key && rpm --import repomd.xml.key
# add the repository URL to yum
yum-config-manager --add-repo https://www.collaboraoffice.com/repos/CollaboraOnline/CODE-centos7
# perform the installation
yum install loolwsd CODE-brand

First of all I noticed even when doing the above steps I have to use yum --nogpgcheck, and after installating and setup apache, it is like the application of loolwsd or CODE is not starting, I tried to debug by running :
loolwsd
but it complained that it needs the lool user account, so I logged it using that and I ran it, and it asked for SSL key/cert/chain which I supplied then it gave me this:

-bash-4.2$ loolwsd
File not found: /usr/bin/discovery.xml
<shutdown>-00970 20:24:03.973598 [ loolwsd ] WRN  Waking up dead poll thread [accept_poll], started: false, finished: false| ./net/Socket.hpp:507
<shutdown>-00970 20:24:03.973751 [ loolwsd ] WRN  Waking up dead poll thread [accept_poll], started: false, finished: false| ./net/Socket.hpp:507
<shutdown>-00970 20:24:03.973767 [ loolwsd ] WRN  Waking up dead poll thread [websrv_poll], started: false, finished: false| ./net/Socket.hpp:507
<shutdown>-00970 20:24:03.973781 [ loolwsd ] WRN  Waking up dead poll thread [websrv_poll], started: false, finished: false| ./net/Socket.hpp:507
<shutdown>-00970 20:24:03.973797 [ loolwsd ] WRN  Waking up dead poll thread [accept_poll], started: false, finished: false| ./net/Socket.hpp:507

Surely I am doing something wrong, the site instructions seemes to be very easy, I have setup Apache server as proxy, and when I go to it and HTTP the normal site it works, but HTTPS states:

This site can’t be reached
192.168.1.13 refused to connect.

Thanks in advance.

@nerdydad

I will post response to this but on new topic, based on my experience with docker, but in a new thread.
https://mangolassi.it/topic/14536/i-really-dont-see-docker-as-stable-and-perhaps-neither-should-you

The summary of it, dont use Docker for your new project.

Hear me out for second, so I tried Docker on both Centos + VMware Photon to integrate into an already existing ESXi infrastructure for about 4 months on prod environment.

I loved the allure of quickly deploying stuff like every body else, I dont work in an organization/company that needs 500 MySQL installation to be honest, but many times i face the need to deploy LAMP stack or LEMP one, so I gave it ago and started to use in production.

And all the ease of setup came back and bit me in the ass. Managing the files in docker containers are much more difficult, but I am willing to learn this. What surprised me is that sometimes containers needs restart every now and then, especially frequently used ones. And that never happened in a VM, also there is performance hit, maybe small but I feel it. And dont get me started on cleaning up obsolete volumes, you are better off not cleaning them to avoid making mistake, and it is not very clear the naming scheme they use which looks like hashes to figure out everything apart.

Of-course I understand that docker really shines when you have alot of repetition and want to isolatation, but it seems to me that is limited to companies of software development, The rest of the world should stick to VMs (IMHO).

This reminded me alot about topic regarding would you rather want commercial NAS box, or centos server with NAS role. Why do you want to have the crippled one.

My opinion and it may be an un-experienced one, is that if you can afford VM, go for it. and forget about the hype surrounding Docker.

ps: I have updated and used the latest version of docker, and kept updating it. But it still sucked.

Youtube Video

@scottalanmiller

instead of virtual drivers talking to the GPU, why you dont want to consider GPU pass-through ? and dedicate it to specific VM. going this route you can choose any modern hypervisor

@scottalanmiller said in KVM Poor Man Replication HA:

@travisdh1 said in KVM Poor Man Replication HA:

@matteo-nunziati said in KVM Poor Man Replication HA:

gluster has been choosen upstream and by read hat for their hyperconverged stuff, so it should be ok, even if use it without ovirt seems a bit complex. But it is just a feeling, I never used it, just had a look to the how-tos

Yeah, if you don't break it down it can look like a bear, but it's really not that difficult. I haven't spun up a cluster using it in years, otherwise I'd do a how-to here.

I think that I have one.

https://mangolassi.it/topic/8619/installing-gluster-on-centos-7
Yes you do, and I read it. And looking forward to playing with it. But the thing is my simple method works if you can afford some time lost between both servers, some small workloads can especially if there are separate file\DB backups.

Have fun all at MangoCon

What I really want to say and express, its very fun to have full fledged OS to play with that have an hypervisor role, is it very hard for me to go back to ESXi standalone, having a full OS (Centos + KVM) makes a world of possibilities.

So I did ask around before posting this and I did receive warnings, but I have been testing this and it is very simple and dumb yet works (tested only with Linux VM Distro). sharing it here so you guys can bash me about my method, as well as enlighten me.

So you have your 2 KVM hosts okay + 1 Fedora machine with Virt Manager

You create all the VMs on the KVM and call it primary, let us call it KVM 1
the second KVM 2 will be just the slave incase KVM 1 drops.

So what we do is schedule a script to :

1. (optional )Stop Software VM activity like DB or WebServer sometime when it is not being utilized at midnight for example, systemctl stop httpd ..etc

2. Freeze the FileSystem (guest agent needs to be installed.)
   virsh domfsfreeze VMNAME

3. Rsync the VM image to another KVM host (KVM 2) periodically each night.
   rsync --progress --inplace -h
   or
   rsync --progress --inplace -h -W (safer)

4. Prepare previously in KVM 2 the VM xml (RAM/CPU)and make it same as the one in KVM1, also copy the MAC address. but keep VM2 shutdown.

5. You can script Fedora Machine to keep pinging KVM 1 or VM 1 and if it fails to receive thus it is down, so if that happens KVM 2 will virsh start VM2 , which will have the same everything even the same internal IP.

What do you think ? Too cheezy ? Does it show how much I am afraid to play with GLusterFS?

btw the tags are acting weird, whenever I type one it removes itself.

@dustinb3403

There is good docker image for OpenMaint, that I used while ago and it worked. Saves you countless hours.

https://github.com/rsilva4/docker-openmaint

It comes with 4 containers, you only need 2, you can shutdown :

Geoserver+BIMServer

The other 2 are for Postgres +OpenMaint

@emad-r

Also note:

When i used this option and saved to 2 location, the VM saved 2 files:

in the backend store, it saved file of 200 GiB size
And the in VM destination 1.3 GiB

The real size of the VM utilized storage and space is 1.3 GiB but when I created I specified that it virtual disk size is 200 GiB

Can someone help me by providing me more info of KVM or Qemu or Qcow2 (not sure which provides this) Backing store functionality ?

From what I read it seems related to how you can create a golden image and the others will be overlays, but not sure how this works and when I can choose what time the image is golder.

Is this related or can be used as HA ? and why are you using it ?

Thanks

@francesco-provino said in $450 Desktop Challenge:

optiplex

Dont do it, I think my shoulder impingement is caused due to carrying alot of Optiplex(s) in my old work, my god there were like tank, but build to last I might say.

@scottalanmiller

FYI AMD Ryzen 3 is just around the corner, so if you can wait and make Mini-ITX out of that that would be cool.

I am not AMD camp guy, but their Ryzen series are good and each core is truly core, unlike previous releases, and i3 will have 4 logical cores, unlike the Intel i3 with 2 logical cores with HT.

@scottalanmiller said in Deepin Linux 15.4.1 Install:

Steam comes included.

that is really nice, I had friend that wanted OS with this feature a while ago.

@dbeato

On seperate note, I cannot select your latest reply as the correct answer for some reason, however if I quote it first then I can... Need to raise this with site admins I guess

@dbeato said in Hyper-V 2016 Server free file server included ?:

This will answer this:
https://www.starwindsoftware.com/blog/part-1-smb-3-0-file-server-on-free-microsoft-hyper-v-server-2012-r2

thanks, very resourceful. Solved then. I thought I found a hidden Easter egg.

However, this process is a violation of license agreement, so StarWind urges the readers not to repeat it. As to the reason the process is at all possible, the answer is quite simple: SMB3 is a crucial part of the free Microsoft Hyper-V Server R2 and the latter won’t work if the protocol support is cut out. In any case, a fact that you can do something doesn’t mean you should. Violating Microsoft’s user license agreement is some serious business you don’t want to get involved in.

@dustinb3403 said in Windows 2016 Server free file server ?:

@emad-r said in Windows 2016 Server free file server ?:

@dustinb3403 said in Windows 2016 Server free file server ?:

Not legal. You can't legally use Windows Server for production purposes without it being licensed.

Also I dont see any licensing options for file server role, FYI.

Either your title is incorrect (you aren't using Windows Server 2016) or you're using Hyper-V 2016.

So which is it?

Ops using Hyper-V 2016, fixed title.