How to install Firefox 57 Quantum on a Linux

Posted on in Categories , , , , , , last updated November 16, 2017

My Linux distro comes with Firefox ESR. I read Firefox 57 is over twice as fast as Firefox from 6 months ago, built on a completely overhauled core engine with brand new technology. How do I installed newly released Firefox version 57 “Quantum” on a Linux operating system?

Fix Host ‘IP’ is blocked because of many connection errors on MySQL/MariaDB

Posted on in Categories , , , , , , , last updated November 15, 2017

I am trying to login to my mysql/mysqld server using the following Unix command:
$ mysql -u foo -h 172.16.5.100 -p dbnmame
But greeted with the following error on screen:
ERROR 1129 (HY000): Host ‘172.16.5.100’ is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’
How do I fix this problem on a Linux or Unix-like system?

How to import a OpenVPN .ovpn file with Network Manager or Command Line in Linux

Posted on in Categories , , , , , last updated October 20, 2017

I have installed an OpenVPN server on a Debian Linux server. I have a client.ovpn file for my VPN server. How do I use it with Network Manager GUI? Is it possible to install or import client.ovpn file using the command line with Network Manager on a Ubuntu Linux or CentOS Linux desktop?