How to Fix Openstack Horizon Dashboard on Centos Stream 9 error: InvalidCacheBackendError If you have recently deployed Openstack Caracal with RDO Packstack you may run into a problem when you first load the Horizon Dashboard. If you get the “Something went wrong” text instead of the regular login page even though Packstack finished successfully check the following. Try the following: 3. Replace django.core.cache.backends.memcached.MemcachedCache 4. With django.core.cache.backends.memcached.PyMemcacheCache It… Read More Like this:Like Loading...
Top 3 Online Resources to Learn Coding Learn to write your own applications for fun and profit. Here are quality free resources online that I can personally vouch for. I get nothing for suggesting these websites.… Read More Like this:Like Loading...
Fix Loud Fans in Dell PowerEdge Servers, Without Taking it Apart! There are many invasive techniques to lowering your lab server’s decibels. Here is a way to do it… command line style! First, make sure you do this from a Linux server. I used Ubuntu. apt install ipmitool Now you have two choices, you can make them even louder, or you can make them whisper quiet.… 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...
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...
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...
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...
How to self host many web servers with different domains & URLs with one public IP There are scenarios where you only have one public ip address but want to host many domains, each on their own dedicated virtual or physical server. For instance you may want to host several different WordPress sites from your home using several old computers from circa 1998 you found in a closet sitting ontop of… Read More Like this:Like Loading...