Lenin Medina

Economista, Diseñador (Web Gra. Arq.), Guía Turístico, Fotografílico, Arquitecto, Pinolero.

[Massimo @Rainmaker1973]

Graphical visualization of the unit circle, the functions sine and cosine and why cos²(x) + sin²(x) = 1

[Infinite Logiz @Infinite_Logiz]

y=x²

[Science Magazine @ScienceExpand]

Physics 🤯🤯

[S.T.E.M Explorer @stemexplor]

Parts of circle

[𝐇𝐚𝐦𝐳𝐚 | Networking Guy @Hamzaonchain]

HOW LINUX WORKS

[sysxplore @sysxplore]

Linux filesystem and directory structure🐧

📁 /
├── 📁 bin
│ ├── ⚙️ ls
│ └── ⚙️ bash
├── 📁 boot
│ ├── 💾 vmlinuz
│ └── 💾 initrd.img
├── 📁 dev
│ ├── 💿 sda1
│ └── 💿 sdb
├── 📁 etc
│ ├── 🛠️ passwd
│ └── 🛠️ fstab
├── 📁 home
│ ├── 📁 james
│ │ ├── 🛠️ .bashrc
│ │ ├── 📁 documents
│ │ └── 📁 .ssh
│ │ ├── 🔐 id_rsa
│ │ └── 🔑 authorized_keys
│ └── 📁 traw
│ ├── 🛠️ .profile
│ ├── 📁 pictures
│ └── 📁 .ssh
│ ├── 🔐 id_rsa
│ └── 🔑 authorized_keys
├── 📁 lib
│ ├── ⚙️ https://t.co/PzWUaAQqQe
│ └── ⚙️ https://t.co/S2RG3kPyrp
├── 📁 media
│ ├── 📁 cdrom
│ └── 📁 usb
├── 📁 mnt
│ └── 📁 mymount
├── 📁 opt
│ └── 📁 myapp
├── 📁 proc
│ ├── 📄 cpuinfo
│ └── 📄 meminfo
├── 📁 root
│ ├── 🛠️ .bash_history
│ └── 📁 .ssh
│ ├── 🔐 id_rsa
│ └── 🔑 authorized_keys
├── 📁 run
│ ├── 📄 utmp
│ └── 📄 systemd
├── 📁 sbin
│ ├── ⚙️ init
│ └── ⚙️ reboot
├── 📁 srv
│ └── 📁 myservice
├── 📁 sys
│ ├── 📄 devices
│ └── 📄 firmware
├── 📁 tmp
│ ├── 📄 temp1
│ └── 📄 temp2
├── 📁 usr
│ ├── 📁 bin
│ │ ├── ⚙️ perl
│ │ └── ⚙️ python
│ ├── 📁 lib
│ │ ├── ⚙️ https://t.co/Gr93lTmwOv
│ │ └── ⚙️ https://t.co/bHKjTcpPeY
│ └── 📁 local
│ ├── 📁 bin
│ ├── 📁 lib
│ └── 📁 share
└── 📁 var
├── 📁 log
│ ├── 📄 syslog
└── 📄 auth.log
├── 📁 mail
├── 📁 run
├── 📁 spool
└── 📁 www

[SKG @sonukg4india]

Different Thinking of Genius.

[sysxplore @sysxplore]

A quick refresher on the Linux file system structure.

[Elorm Daniel @elormkdaniel]

Linux File Permission Cheatsheet

[0b1d1 @_0b1d1]

25 essential Linux commands ⤵️

[GitHub Projects Community @GithubProjects]

https://t.co/ENZSoBINdK

[Security Trybe @SecurityTrybe]

🌚

[Virtud Mental @VirtudMental]

15 megaproyectos en todo el mundo

Estos audaces proyectos de ingeniería, valorados en billones de dólares, están transformando nuestro planeta.

¡Algunos son tan grandes que incluso afectan la rotación de la Tierra!

//Hilo//

[World of Engineering @engineers_feed]

Space fact:

If you were driving at 75 miles per hour (121 kmh), it would take 258 days to drive around one of Saturn’s rings.

[Lenin Medina @LeninMedinaR]

@engineers_feed 3.5

[Swapna Kumar Panda @swapnakpanda]

FREE FREE FREE

11 FREE Books on "Linux" and "UNIX"

[ACE Responder @ACEResponder]

The Windows startup process tree.

#ThreatHunting
#DFIR

[sysxplore @sysxplore]

Linux ip command basics

[sysxplore @sysxplore]

Linux commands explained from A-Z (save this) 🐧