fagnercarvalho

FROM spacevim/spacevim

ENV RUSTUP_HOME=/rust
ENV CARGO_HOME=/cargo 
ENV PATH=/cargo/bin:/rust/bin:/home/spacevim:$PATH

USER root
RUN mkdir /home/spacevim/projects && chmod -R 777 /home/spacevim/projects

RUN curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y

fagnercarvalho

Snippets for http://fagner.co/2021/04/04/Free-space-on-Raspberry-Pi/.

fagnercarvalho

## Export of "larger" Sql Server Blob to file
$Server = "."; 
$Database = "DatabaseName";
$Dest = "C:\Export\"; 
$bufferSize = 8192;   
 
$Sql = "select TOP 1 'Image.png', COLUMN from TABLE";

$con = New-Object Data.SqlClient.SqlConnection;
$con.ConnectionString = "Data Source=$Server;" + 

fagnercarvalho

• Create new API Token that has permission to edit your DNS entries in Cloudflare: https://dash.cloudflare.com/profile/api-tokens
• Make sure the token is working:

curl -X GET "https://api.cloudflare.com/client/v4/user/tokens/verify" -H "Authorization: Bearer <API TOKEN>" -H "Content-Type:application/json"

• Install https://github.com/timothymiller/cloudflare-ddns and change the configuration file with your Cloudflare API key, token, zone ID and email.
  • Run on Docker Compose.
• Good to go!

fagnercarvalho

• Generate the private/public keys pair

ssh-keygen -t ecdsa -b 521

• Import public key into your server

cat ~/.ssh/id_ecdsa_rpi.pub | ssh pi@raspberrypi.lan "mkdir -p ~/.ssh && cat >> ~/.ssh/authorized_keys"

fagnercarvalho

• https://www.raspberrypi.org/documentation/usage/webcams/

sudo apt install fswebcam
sudo usermod -a -G video root
fswebcam -r 1280x720 --no-banner image.png

apt install ffmpeg
ffmpeg -t 10 -f v4l2 -framerate 30 -input_format mjpeg -i /dev/video0 output.avi # take picture

fagnercarvalho

• https://kube.academy/
• Things I want to learn in k8s:
  • Blue green deployment
  • Reverse proxy
  • Distributed tracing
  • Monitoring
  • Debug application running inside pod
• Create replicas across clusters

fagnercarvalho

Official content

• https://tour.golang.org.
• https://golang.org/doc/effective_go.html.
• Supplement for Effective Go: https://github.com/golang/go/wiki/CodeReviewComments.
• Docs: https://golang.org/pkg/.

Paid content

• https://bitfieldconsulting.com/books.
• https://www.calhoun.io/.

fagnercarvalho

# Install bluealsa to create interface to Bluetooth device

git clone https://github.com/Arkq/bluez-alsa.git
cd bluez-alsa
su
apt-get install libglib2.0-dev -y
apt-get install -y libasound2-dev
apt install -y build-essential autoconf
apt-get install -y libbluetooth-dev
apt-get install libtool -y

fagnercarvalho

https://www.hanselman.com/blog/HowToMakeAPrettyPromptInWindowsTerminalWithPowerlineNerdFontsCascadiaCodeWSLAndOhmyposh.aspx
https://www.hanselman.com/blog/HowToSetUpATabProfileInWindowsTerminalToAutomaticallySSHIntoALinuxBox.aspx