view-dns-query-logs

For purposes of troubleshooting, you might want to see / monitor if your DNS server is resolving queries properly. Perhaps, you want to log the queries into a file for analysis, etc,.

rndc(remote name daemon control) is the command to use for DNS server logging. Its as simple as running the command and then viewing your message-file's tail

Very simply, log into your DNS-server as root,

Turn on logging

#rndc querylog

the above command, when executured logs DNS-server activity into a file

I just installed an Ubuntu Server and after the server was updated, upgraded and rebooted, I get the error "Cannot display this video mode".

It was kinda funny because the server is headless. The monitor was properly connected. I figured it was a resolution error. A little googling around and I found the solution:

It was good though, that I had configured my IP/network settings, so I had SSH access to the box.

1) Edit grub as follows:

sudo nano /etc/default/grub

remove the "#" in front of the

This tutorial is about how I setup Emby-Server on a headless Ubuntu 12.04.5 LTS Precise server.

install-embylogo

What is Emby Server?

Emby / Emby-Server (formerly Media Browser) is an open source media server designed to organize, play and stream movies, tv, music, photos in mobile app or browser for all devices android iOS windows phone appletv androidtv smarttv and dlna.

The best part is that it is compatible with both Linux and Windows.

More information about Emby:
1) Emby Media(

The following is a pictorial of installing a guest Windows-OS on VirtualBox, regardless of the host.

Launch VirtualBox, click New

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Choose a memory setting, depending on the capacity you have on your Host-Operating System

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After clicking Create, the virtual machine is created.

Select the virtual machine and click 'Start'. At this point(below, select your CD/DVD ROM where your bootable OS is inserted

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Continue with your OS installation.

Another option is to use images(.iso, .vdi, .ova) of

I recently published a post titled: how to move VirtualBox Virtual Machine to another partition or onto an External drive: http://nairabytes.net/computer-geek/how-to-move-a-virtualbox-virtual-machine-to-another-partition-or-an-external-drive

Another way / method of moving a VirtualBox VM from host to host, partition to partition and which in my opinion is faster, neater and easier is the following:

1) Power off the VM you want to move
2) Copy the VM installation folder from

My setup: Debian-9 stretch linux, I have installed PlayOnLinux via Synaptic Package Manager.

So now, to Install Blogdesk and BlogJet offline editors:

1) download BlogDesk: https://www.blogdesk.org/en/

download BlogDesk: https://www.blogjet.com/

2) Launch PlayOnLinux: since Blogdesk/BlogJet are not part of PlayOnLinux's default programs, they have to be installed/added manually.

3) with PlayOnLinux open, Click File >> Install >> click Install a non-listed program >>

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playonlinux-blogjet1

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howto-moving-virtualbox-vm

I have 22-VirtualBox VM's installed consuming about 80-GB Hard Disk space of available 100-Gb Linux install partition. New hard-drive has been installed, partition created, and df -h shows my partitions just as I want it.

Now, I want to move some VM's over.

In this tutorial, I will detail how to move a VirtualBox VM into another partition. Im running Debian9-Stretch with VirtualBox 5.1.22 r115126 (QT5.7.1).

howto-move-virtuabox1-1

 

For this tutorial, I will be using a VM I created for TurnkeyLinux Virtual

debian9-samba-configure-0

Hi guys, this tutorial is a log of how to setup Samba in a Debian9-stretch(Server) environment and Windows client. I go straight into the configurations. Pls refer to Samba Documentation for further information.

1) Check if Samba is already installed:

command: dpkg -l samba

If samba is already installed, you'll get a result as below:

debian9-samba-configure1-1

else if Samba is not installed, use this command to install Samba and Samba client is:

sudo apt-get install samba

sudo apt-get install smbclient

Check if samba

Do you know that you really don't need Microsoft Visio? Here, is how I setup LibreOffice Draw tool and drew up a simple network diagram.

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1) Download and install LibreOffice:

download link: http://www.libreoffice.org/download/download

2) Download network topology icons from Cisco website:

download link: https://www.cisco.com/c/en/us/about/brand-center/network-topology-icons.html

- note: download ONLY the JPG file, and extract the contents into a folder of your choice.

3) Launch

I want to connect to my Ubuntu server which I just added a Desktop to. This is the server. I want to access this server from a Windows-7 desktop and a Debian desktop. In this tutorial, I'll install XRDP on the server for remote desktop purposes.

Ubuntu Desktop 16.04 has Unity desktop as a default, however XRDP and Unity desktop (or Gnome 3) have interconnecting issues, so the practice is often to install "another desktop" which works, has less issues and more workarounds. For this tutorial