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  • Disabling IPv6 on Ubuntu 18.04,19.04 - IPv6 adds another layer of complexity when configuring a machine for a simple task.  Namely, infrastructure services such as DNS, DHCP and even xRDP can be much easier to troubleshoot without IPv6 complicating issues.  Also, it is my personal preferences… ...
  • Remove 3D Objects Folder from Windows 10 Explorer - Windows 10 has bombarded users with a plethora of new elements - not all of us welcome the new additions.  The clutter in Windows Explorer and pre-installed app has become less of a nuisance and more of a productivity issue. … ...
  • Permanently Enable Number Lock on Windows Via Script - Number lock - I prefer it on.  In fact, I cannot recall a situation in which I have ever needed to actually turn it off - my interactions with the key are always relegated to ensuring the light is illuminated… ...
  • Configuring Centos 7 / RHEL as an Infrastructure Access Point WAP - With the right hardware, it can be possible (and effective) to run your wifi NIC as an infrastructure access point.  This is entirely dependent on if your NIC card supports this mode - most business oriented machines are equipped with… ...
  • Managing Packages and Repositories on Ubuntu / Debian Based Distros - A quick reference for refreshing / updating / upgrading packages on Ubuntu. The first script block runs all the updates, cleans repositories an finally removes unneeded packages. The second block installs ucaresystem-core which runs automatically - this integrates all the… ...
  • Migrating from Apache to NGINX - NGINX has many benefits over Apache in a production environment including the ability to scale easier and lower system overhead. [cc lang="bash" escaped="true" nowrap="false"] sudo yum install nginx -y [/cc] New config file for NGINX derived from previous Apache configuration:… ...
  • Error Msg: ex protocol error: type 7 seq - This seems to be a common / uncommon bug in SSH.  I have notice its appearance during the transfer of large files via SFTP.  Was initially wondering (still am?) if it had to do with bad sectors on the target… ...
  • Ubuntu 19.04 Network Boot Delay and Setting NIC to Optional via Netplan - Ubuntu 19.04 changes the way network interfaces are maintained.  No longer /etc/network/interfaces - now we have netplan.  This can cause some confusion when initially migrating to 19.04. Edit the new configuration file: vi /etc/netplan/50-cloud-init.yaml and add the "optional: true" flag. [cc… ...

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