QNAP NAS Issue DNS is Unable to Resolve Hosts. How to Fix DNS Issues on QNAP NAS This one started after a firmware update. Until QNAP fixes the firmware do this: SSH into the nas and change /etc/resolve.conf from ‘nameserver 127.0.1.1’ change ‘127.0.1.1’ to your DNS server. If you are unsure what you dns server is, it is most likely your default gateway if you are a home user. If you still… Read More Like this:Like Loading...
vCenter HA Error Causes a Failure to Update VCSA. This is how to fix the issue. Attempt to resolve the connectivity problem. If you can restore connectivity, isolated nodes rejoin the cluster automatically and the Active node starts serving client requests. If you cannot resolve the connectivity problem, you have to log in to Active node’s console directly. Power off and delete the Passive node and the Witness node virtual machines.… Read More Like this:Like Loading...
How to Install Oracle Virtual Box on Ubuntu 16.04 on a DigitalOcean Droplet I wanted to circumvent my residential FIOS with my one dynamic public ip in my home lab without upgrading to a commercial account with Verizon. Right now I’m enjoying 1Gig up and down. One look at commercial prices and its a small fortune for static ip’s and the same residential speed.. I had the idea… Read More Like this:Like Loading...
Interactive Python! Share Code from any Device Trinket lets you run and write code in any browser, on any device. Trinkets work instantly, with no need to log in, download plugins, or install software. Easily share or embed the code with your changes when you’re done.… Read More Like this:Like Loading...
How to install a multi-node Openstack cloud using RDO Packstack and Centos 8 This multi-part video is a walk through on installing a two node Openstack Ussuri cluster nested on VMware esxi. It also makes use of VMware NSX for the Management and public networks. A full write up and Part 2 (the actual install and configuration) is coming in the am.… Read More Like this:Like Loading...
CLOUDRON CLOUDRON is a platform that makes it easy to run and maintain web apps on your server. Save $30 with this Referral Code: 61ea681e4f5547a5 https://www.cloudron.io/ cloudron.io This software automates your domains dns when creating sub domains. It automatically takes care of TLS and SSL certificates through Let’s encrypt’s https://letsencrypt.org API. It also connects to your… Read More Like this:Like Loading...
How to reset VMware VRNI (vrealize network insight) web ui login admin@local In order to reset the password for the default web interface user: admin@local first ssh into the virtual machine or host using the “consoleuser” user. If you are also missing this password you can login as support as well. Once logged in switch to the consoleuser using this command: then type at the prompt enter… Read More Like this:Like Loading...
How to recover from a corrupt debian linux filesystem (read-only filesystem) that will not boot or boots into initramfs (initramfs) fsck /dev/mapper/ubuntu–vg-root -y fsck from util-linux 2.27.1 e2fsck 1.42.13 (17-May-2015) /dev/mapper/ubuntu–vg-root contains a file system with errors, check forced… Read More Like this:Like Loading...
Digital Ocean How to download a copy or snapshot of your droplet or vm locally and run it on your own server * This post uses the DD command which if used improperly WILL completely destroy your system. If you are unsure about what you are doing do not even attempt anything below. The command below will overwrite any drive you tell it to, with no regard or warning. Make absolutely sure you know the drive letters… Read More Like this:Like Loading...
VMware NSX Sooo if you have been following this blog you may have heard of network virtualization. Today I own it! Installing it! Documenting it! Thanks to my recent opportunity to work with some great people at a great company; our clients are demanding more and I am going to lab this and take you along the… Read More Like this:Like Loading...
It’s Been a While! I haven’t posted here in quite a while. I have recently been brought onto an amazing opportunity to work with some great people at a new tech startup and we are working on some very interesting projects. Creating customized Linux solutions, that include openvswitch, network virtualization, service chaining and much more. It’s a challenging endeavor… Read More Like this:Like Loading...
How to fix RDO Packstack Openstack Installation Error: “rabbitmq-server start failed with exitcode 1” This took more time then I would like to admit to find the solution, because the error is simply do to the machines hostname not being set correctly. The machine’s hostname should match in /etc/hosts with hostname in /etc/hostname file. That simple!… Read More Like this:Like Loading...
How to Password Protect an Apache, Apache2 web page or Directory Many times when building a website, you want to limit access to some content or folder or the whole website. For instance you may have a “Downloads” section that you want to give access to selectively. Here is an easy way to make Apache web server ask for a username and password when someone tries to gain… Read More Like this:Like Loading...
How to find your current Linux kernel version from a terminal or command line Many a time you quickly need the exact version for this type: If you require more information then use: Quicky! -Carmine… Read More Like this:Like Loading...
How to bring Turnkey Linux Appliance Configuration Screen Back Up When running a Turnkey Linux Appliance if you ever need to get back to the blue config screen, type:… Read More Like this:Like Loading...
Allow root access via ssh in Ubuntu 14.xx Have you tried to log into a cloud instance of Ubuntu server recently as root using a ssh key? Hmm.. so you see, Please login as “ubuntu” user rather than root. Try this: reboot the server or restart sshd services. … Read More Like this:Like Loading...
How to Upload Turnkey Linux Appliances to Openstack Juno A video of this process is also below. Scroll Down to find it. Turnkey Linux is a very convenient way to obtain a very large assortment of pre-made virtual appliances for many different virtualization platforms, including Openstack. However deploying the appliances to Openstack is a bit more involved then other platforms. Here I will try to… Read More Like this:Like Loading...
Resize Centos 7 Partition for RDO Packstack Openstack installer Juno Quick Video to setup Centos 7 during a fresh installation for RDO Packstack Juno so that you have more storage space. By default RDO Packstack uses the root partition for Openstack leaving the bulk of your hard drive space unused. In this short video we will re arrange partition space to use this to our… Read More Like this:Like Loading...
Real World Application of GRE and VXLAN Encapsulation between Mixed Hypervisors on Disjoint Networks PART-1. Happy Thanksgiving! I thought about putting this all into one post. I quickly realized it wouldn’t be possible as there is just to much! Contrary to what this first post’s format this will be a technical how to. This is just the introduction to what we are going to be doing. The following parts will… Read More Like this:Like Loading...