Nginx Cheat-sheet
Management commands
systemctl start nginx
systemctl stop nginx
systemctl restart nginx
Check configuration syntax and test it
nginx -t
Hec P.
Create a service a timer
The goal here is to run a script that will select a random image and show it in the PIMORONI Inky Impression 7 Color ePaper every determined period of time. I assume python3 is already installed in the machine. The Pimorony Inky Impression libraries and examples can be downloaded from
OpenSSL Cheat-sheet
Generate random bytes
openssl rand -base64 512
openssl rand -hex 512
openssl rand -base64 -out myFile.key 512
Check the format of the private key
openssl rsa -check -in private_key.pem
Generate RSA key pair
openssl genrsa -out private_key_2048.pem 2048
openssl rsa -in private_key_2048.
MacOS Cheat-sheet
List of all know shortcuts for MacOS Ventura 13.5 and Sonoma 14.0
Linux Cheat-sheet
Linux permissions
r
w
x
Binary
Decimal
rwx
Meaning
1
1
1
111
7
rwx
Read, Write, Execute
1
1
0
110
6
rw-
Read, Write
1
0
1
101
5
r-x
Read, Execute
1
0
0
100
4
r--
Read
0
1
1
011
3
-wx
Write, Execute
Docker Cheat-sheet
Install docker
apt install docker.io
Uninstall docker
apt-get remove docker docker-engine docker.io
Export container to TAR file
docker export containerNameOrID > /home/user/my_file_name_$(date +%d-%m-%Y_%H-%M-%S).tar
Import container from TAR file
docker import /home/user/my_file_name.
How to install HashCat in MacOS
Well well well, it's time to put that shiny M2 Pro chip to the test right?
It seems to be as simple as:
brew install hashcat
Which will have an output similar to this:
terminator@skynet ~ % brew install hashcat
==> Homebrew collects anonymous analytics.
Read the analytics documentation