FATAL:zygote_host_impl_linux.cc(124)] No usable sandbox

If you get this error when you run Chrome on Linux Debian: FATAL:zygote_host_impl_linux.cc(124)] No usable sandbox! Update your kernelFATAL:zygote_host_impl_linux.cc(124)] No usable sandbox! Update your kernel Then you need to type the following commands to fix it: echo kernel.unprivileged_userns_clone=1 > /etc/sysctl.d/00-local-userns.conf service procps restartecho kernel.unprivileged_userns_clone=1 > /etc/sysctl.d/00-local-userns.conf service procps restart

Route All Internet Traffic Through Tor on Linux Debian

You can route all Internet traffic throguth Tor, here is how: *** Please note, I am using Debian 10 Buster *** Add this on /etc/apt/sources.list: deb http://deb.torproject.org/torproject.org buster maindeb http://deb.torproject.org/torproject.org buster main Run this to install Tor Project public keys: gpg –keyserver keyserver.ubuntu.com –recv-key 74A941BA219EC810 gpg -a –export 74A941BA219EC810 | apt-key add – apt-get updategpg […]

Run a Program Inside a VirtualBox Guest VM from Host via Command-line

With VboxManage you can execute programs inside the guest VM from the host: VBoxManage guestcontrol Win7-64bit-VM1 start –exe C:\Path\To\Program.exe –verbose –username admin –password 123VBoxManage guestcontrol Win7-64bit-VM1 start –exe C:\Path\To\Program.exe –verbose –username admin –password 123 If you need to run a program with parameters do like this: VBoxManage guestcontrol Win7-64bit-VM1 start –exe Z:\cmd.exe –verbose –username admin […]

Configure a New IP Address on Online.net Server

First you need to buy an additional IP address. Then you can drag & drop it inside your server via the web interface. Now you need to edit /etc/network/interfaces by adding this: # Your new IP address (1) auto enp1s0f0:0 iface enp1s0f0:0 inet static address YOUR_FAILOVER_IP_HERE netmask   # Your new IP address (2) […]

How to Clone a Virtual Machine on VirtualBox via Command-Line

First you need to list the available VMs: VBoxManage list vmsVBoxManage list vms Option 1: Clone the VM (Faster) To clone a VM just type this command: VBoxManage clonevm Win7-64bit-VM1 –name Win7-64bit-VM2 –registerVBoxManage clonevm Win7-64bit-VM1 –name Win7-64bit-VM2 –register Now try to list again your VMs: VBoxManage list vmsVBoxManage list vms You should see your cloned […]

How to Install VirtualBox Guest Additions on Windows Guest

From your Windows VM open Internet Explorer and open: http://download.virtualbox.org/virtualbox/6.0.10/http://download.virtualbox.org/virtualbox/6.0.10/ *** http://download.virtualbox.org/virtualbox/ -> View all VirtualBox versions *** Then download the file: VBoxGuestAdditions_6.0.10.isoVBoxGuestAdditions_6.0.10.iso Then download and install 7-zip: https://www.7-zip.org/download.htmlhttps://www.7-zip.org/download.html Now right-click on VBoxGuestAdditions_6.0.10.iso and select: 7-Zip -> Extract Here7-Zip -> Extract Here This will extract the files from the ISO file. Now click on VBoxWindowsAdditions-amd64.exe […]

Add Shared Folder on VirtualBox VM via Command-Line on Debian

Lets say you have created a shared folder in your Linux Debian host, i.e: /vms/shared_folder/vms/shared_folder Now you want to add that shared folder on VM named “Win7-64-bit-VM1”: VBoxManage sharedfolder add Win7-64bit-VM1 –name srv –hostpath "/vms/shared_folder" –transientVBoxManage sharedfolder add Win7-64bit-VM1 –name srv –hostpath "/vms/shared_folder" –transient The “–transient” makes sure the mapping will not persist over the […]

How to Install a .Deb File on Debian Linux via Command-Line

Steps to install, remove and reconfigure Debian .deb packages: Install a .deb package: sudo dpkg -i DEB_PACKAGEsudo dpkg -i DEB_PACKAGE Remove a previously installed package: sudo dpkg -r PACKAGE_NAMEsudo dpkg -r PACKAGE_NAME Reconfigure an existing package: sudo dpkg-reconfigure PACKAGE_NAMEsudo dpkg-reconfigure PACKAGE_NAME