Chris Brown sageworksstudio

Creating TAR backups

First create a timestamp that looks something like (YearMonthDay-Hour:Minute:Second) or (20200512-02:30:00). This will give you a unique identifier.
Then cd into the directory you want to back up.
Create a tar.bz2 (bzip2 compression) file.
Optionally, delet the original files.

Example:

Create a new folder to store certs and keys:

On a Mac or other Unix-like system, locate your ~/.ssh directory and from that directory run this in the command line:

ssh-keygen -t rsa -b 4096 -C "your_comment"

-t = type (The possible values are 'dsa', 'ecdsa', 'ed25519', or 'rsa')

-b = bits

Pushing a file from desktop to device.

adb push ~/Downloads/somefile.zip /sdcard/somefile.zip

Convert with 2 pass

ffmpeg -i input.mp4 -b:v 0 -crf 30 -pass 1 -an -f webm /dev/null

ffmpeg -i input.mp4 -b:v 0 -crf 30 -pass 2 output.webm

$rsync -av --progress /folder/to/backup/* /destination/of/backup/

To log results add the log flag

List your block devices to find the location of the device:

$ lsblk

Unmount the drive. Replace dev/sdb1 with your drive location.

$ sudo umount /dev/sdb1

$sudo apt install certbot python3-certbot-apache

$sudo certbot run

$sudo crontab -e

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