I recently wanted to try setting up Ventoy on a USB drive that was attached to a remote server due to a slow IPMI/KVM. Ventoy is a tool I use for Windows installations, as well as tools such as Macrium Reflect and PartedMagic, that allows you to create a bootable USB drive that allows you […]
Setting up a Ventoy USB drive on Ubuntu Read More »
If you use LOAD DATA LOCAL INFILE to quickly load data into a table with MySQL, you may come across the following error on a fresh, unprepared MySQL instance: This is, as the message suggests, caused by either: Now, I’ve experienced this with the server not allowing it plenty of times, but after updating MySQL
MySQL: server or client has disabled the local infile capability Read More »
A server that I was using had their own in-house DNS servers which seemed somewhat slow to update, so let’s change them! To do this, we’re going to use resolvconf. First, make a note as to what DNS server is currently in use: Now install resolvconf: Edit the resolv.conf and add your desired DNS servers.
Updating DNS servers on Ubuntu with resolvconf Read More »
I had the need to view the live outgoing bandwidth and connection stats on a web server recently to investigate a performance bottleneck, and I found tcptrack which allows you to do just that. To install tcptrack, execute the following command: You can then view live bandwidth and connections by executing the following command: Replace
Monitoring live bandwidth on Ubuntu with tcptrack Read More »
Following on from a previous post where I installed Deluge using Snap, I also wanted to try out rTorrent and ruTorrent. These weren’t available on the Snap Store, so I opted for Docker. As is often the case with my server, Docker wasn’t already installed: The installation instructions for Docker are thorough, so you should
Installing rTorrent and ruTorrent with Docker on Ubuntu 20.04 Read More »
I’ve not used Snap before, but I came across it and wanted to try installing Deluge, a free and open-source BitTorrent client, using it. Snaps are app packages for desktop, cloud and IoT that are easy to install, secure, cross‐platform and dependency‐free. Snaps are discoverable and installable from the Snap Store, the app store for
Installing Deluge with Snap on Ubuntu 20.04 Read More »
I had a report of an application which was running on a Ubuntu 20.04 server being extremely slow to respond to queries. Checking its service log, I could see the following: That’s not good! I know there wasn’t a limit in the application itself, so this had to be a limitation within Linux somewhere. It
Too many open files on Ubuntu Read More »
If you wish to add an additional layer of protection to your Linux server, then virtually placing another “in front” of it may be an option using a GRE tunnel. Generic Routing Encapsulation (GRE) is a tunneling protocol developed by Cisco Systems which can encapsulate a wide variety of network layer protocols inside virtual point-to-point
Setting up a Linux-to-Linux GRE Tunnel Read More »
I’ll be honest – when I’ve wanted to create my own PHP extensions, I’ve simply hidden away from it. It seems daunting, hugely overcomplicated, and a real drain on my time. Then, I stumbled upon PHP-CPP: A C++ library for developing PHP extensions. It offers a collection of well documented and easy-to-use classes that can
Installing PHP-CPP on RunCloud.io Read More »