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Setting up an NGINX Reverse Proxy with SSL
A reverse proxy is a function of a web server that allows it to forward requests onto other web servers. Typically they are set up in combination with a wildcard SSL certificate, allowing each subdomain to go to a different server. Apache2 and NGINX can both f...
Do balance-alb and balance-tlb support fault tolerance?
Bonding Mode 5 (balance-tlb) works by looking at all the devices in the bond, and sending out the slave with the least current traffic load. Traffic is only received by one slave (the "primary slave"). If a slave is lost, that slave is not considered for trans...
Fixing Proxmox node stuck in "wait_for_agent_lock"
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Provisioning a Cloud-Init VM
Proxmox allows you to create both Virtual Machines via QEMU, and Containers via LXC. Out of the box, LXC containers are much easier to provision, you download the template, create the CT and specify the username, password & IP address. Virtual machines take lo...
Rewriting URLs to add a Suffix
Installing and configuring Lego ACME client
Lego is a Let's Encrypt ACME client written in Go that supports APIs provided by many DNS providers. I find it easier to install and use compared to the official Let's Encrypt certbot client. Installing Lego Lego is hosted on GitHub. Check their releases pag...
Email output from cron job
Ubuntu
Boot stuck at "A start job is running for Create Volatile Files and Directories"
This message will appear when the /tmp directory is full or has too many files/directories inside it. Since it prevents a successful boot, we will need to modify the boot options to fix it First, restart the affected system (Ctrl-Alt-Del or power cycle it) an...