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
0
Hector Perez
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.tar
docker import
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 (and how to
MongoDB Cheat-sheet
Create Database
use blog
db.createCollection("posts")
Connection string for replica set
mongodb://db1.server.com:port,db2.server.com:port,arbiter.server.com:port/MyDataBaseName?replicaSet=MyReplicaSetName
Connection string for an authenficated replica set
mongodb://myusername:mypassw0rd@db1.server.com:port,db2.server.com:port,arbiter.server.com:port/
Node.JS Cheat-sheet
Encode String to Base64
console.log(Buffer.from('This message will be encoded to base64', 'utf8').toString('base64'));
Decode String from Base64
console.log(Buffer.from('VGhpcyBtZXNzYWdlIHdpbGwgYmUgZW5jb2RlZCB0byBiYXNlNjQ=', 'base64').toString('utf8'));
Generate random UUID from console (oneliner)
console.log(require('crypto').randomUUID());
Replace all ocurrences of a string (Method 1)
DIY Fast External SSD
Well folks, a few months back I decided that I wanted to get a MacBook Pro 14" 2023 for editing my photos in Lightroom and Photoshop. All my files were in a RAID 1 HDD array in my Windows PC so I needed to get an external SSD that was
How to install Visual Studio Code in MacOS
VS Code, the most recent developer's favorite. Here is how to get it all setup on your new MacBook Pro 14" 2023!
1. Download the installer from Visual Studio Code's offical website or use this direct link.
2. Locate the downloaded file
3. Open the Applications folder in your MacBook