projectoperations

With seabios

1. QEMU includes bundled option ROMs which are loaded by default unless a device is specifically setup with --romfile="".
2. These options roms are bundled as binaries. The source code for the same can be found at http://ipxe.org/
3. These options roms are useful for example when you want to PXE boot over a virtio-net device.

Here is an example of booting via Network PXE using the option ROM

qemu-system-x86_64 \

projectoperations

An introduction to DynamoDB

DynamoDB is a powerful, fully managed, low latency, NoSQL database service provided by Amazon. DynamoDB allows you to pay for dedicated throughput, with predictable performance for "any level of request traffic". Scalability is handled for you, and data is replicated across multiple availability zones automatically. Amazon handles all of the pain points associated with managing a distributed datastore for you, including replication, load balancing, provisioning, and backups. All that is left is for you to take your data, and its access patterns, and make it work in the denormalized world of NoSQL.

Modeling your data

The single most important part of using DynamoDB begins before you ever put data into it: designing the table(s) and keys. Keys (Amazon calls them primary keys) can be composed of one attribute, called a hash key, or a compound key called the hash and range key. The key is used to uniquely identify an item in a table. The choice of the primary key is particularl

projectoperations

📝️ This document is part of several gists related to installing things on OVH VPS:
• All steps to a clean OVH VPS install
• Script to make a VPS more secure(This Gist)
• Scripts to install Potherca projects on OVH VPS

Securing a (Virtual Private) Server

In 2019 I moved various web-apps I have created to a VPS (hosted by OVH).

projectoperations

Ubuntu 20.04 Web Server Setup Instructions

!!! Work in progress, use at your own risk. !!!

• nginx
• certbot
• iptables

Updates

projectoperations

<?xml version="1.0" encoding="UTF-8"?>
<configuration>
    <configSections>
    </configSections>
    <connectionStrings />
   
    <system.web>
        <!-- 
            Set compilation debug="true" to insert debugging 
            symbols into the compiled page. Because this 

projectoperations

[alias]
	spull = !git checkout master && git svn rebase
	spush = !git checkout master && git svn dcommit
	work = !git checkout work && git rebase master
	prepwork = !git checkout work && git rebase master && git checkout master && git merge work

projectoperations

{
	"folders": [
		{
			"uri": "vscode-vfs://github/projectoperations/dotnet-container"
		}
	],
	"settings": {}
}

projectoperations

# local port forwarding
# the target host 192.168.0.100 is running a service on port 8888
# and you want that service available on the localhost port 7777

ssh -L 7777:localhost:8888 user@192.168.0.100

# remote port forwarding
# you are running a service on localhost port 9999 
# and you want that service available on the target host 192.168.0.100 port 12340

projectoperations

{
    "authorization-plugins": [],
    "dns": [],
    "dns-opts": [],
    "dns-search": [],
    "exec-opts": [],
    "storage-driver": "",
    "storage-opts": [],
    "labels": [],
    "log-driver": "", 

projectoperations

{
  "editor.cursorWidth": 4,
  "liveServer.settings.host": "192.168.1.69",
  "explorer.confirmDelete": false,
  "terminal.integrated.fontWeight": "500",
  "terminal.integrated.letterSpacing": 1,
  "terminal.integrated.fontWeightBold": "900",
  "terminal.integrated.gpuAcceleration": "off",
  "editor.fontFamily": " 'Consolas', 'Courier New', monospace, monospace",
  "editor.fontLigatures": true,