Some docs updates

Author: syselement

operating-systems/linux/distros/rocky-vm.md

@@ -54,6 +54,10 @@ date +%F
 date +%x
 date +%T
 date -d 20250310 +%j
+# Convert timestamp to a date
+date -d "1970-01-01 20156 days"
+# Convert date to timestamp
+echo $(($(date --date="2025-01-25" +%s)/86400+1))
 
 id root
 whoami
@@ -232,7 +236,8 @@ cat /etc/group
 cat /etc/gshadow
 
 groupadd -g 1020 group1
-addgroup # Debian
+# Debian
+addgroup
 
 groupmod -g 1022 group1
 groupmod -n group3 group2
@@ -244,8 +249,36 @@ groupdel group1
 
 ```bash
 # Users
+# root (uid=0) - system admin
+# system users (uid=201~999)
+# regulare users (uid>=1000)
+cat /etc/passwd
+cat /etc/shadow
+# ! For each line in the /etc/passwd file there must be a corresponding line in the /etc/shadow file.
+
+# default settings
+cat /etc/login.defs
+cat /etc/default/useradd
+ls -lah /etc/skel/
+
+useradd user1
+useradd -u 1002 -g 1020 -d /home/user user2
+passwd user1
+tail -n 2 /etc/passwd
+tail -n 2 /etc/shadow
+tail -n 2 /etc/group ; tail -n 2 /etc/gshadow
+# Debian
+adduser
+deluser
+
+usermod -u 1005 user1
+usermod -L user2 # lock user
+
+userldel -r user1 # deletes user's home dir, mail files and primary group
+```
 
-userldel -r # deletes user's primary group too
+```bash
+chown ...
 ```
 
 

operating-systems/windows/tools/.gitbook/assets/vagrantup-logo.png

@@ -1,6 +1,8 @@
 # Hashcat
 
-> - Check my entire guide to Windows, Linux and VM Hashcat installation and test [here](../../home-lab/redteam/lab_hashcat.md).
+> - Check my entire guide to Windows, Linux and VM Hashcat installation and test [here](../../../home-lab/redteam/lab-hashcat.md).
+
+---
 
 ## Windows Installation
 
@@ -14,6 +16,8 @@
 
 ![](.gitbook/assets/image-20220810212037493.png)
 
+---
+
 ## Usage
 
 - Run Windows Powershell:

operating-systems/windows/tools/hashcat-win.md

@@ -1,5 +1,11 @@
 # Vagrant
 
+![vagrantup.com](.gitbook/assets/vagrantup-logo.png)
+
+---
+
+## 🌐 Resources 🔗
+
 > - [Vagrant Installation](https://developer.hashicorp.com/vagrant/docs/installation)
 >   - [Download](https://developer.hashicorp.com/vagrant/downloads) and Run the installer for Windows system.
 >   - The installer will automatically add `vagrant` to your system path so that it is available in terminals.
@@ -9,10 +15,12 @@
 > - Vagrant is meant to run with one Vagrantfile per project.
 > - When you run any `vagrant` command, Vagrant climbs up the directory tree looking for the first Vagrantfile it can find, starting first in the current directory.
 >   - This feature lets you run `vagrant` from any directory in your project.
-> - Find more boxes at [HashiCorp's Vagrant Cloud box catalog](https://vagrantcloud.com/boxes/search)
+> - Find more boxes at [HashiCorp's Vagrant Cloud box catalog](https://portal.cloud.hashicorp.com/vagrant/discover)
 
 ![](.gitbook/assets/image-20230201220702304.png)
 
+---
+
 ## Default Provider
 
 - *If you have the VMware provider installed, it will always take priority over VirtualBox.*
@@ -29,7 +37,7 @@ Vagrant.configure("2") do |config|
 end
 ```
 
-
+---
 
 ## VirtualBox
 
@@ -51,7 +59,7 @@ vagrant init hashicorp/bionic64
 vagrant box add hashicorp/bionic64
 ```
 
-> This will download the box named `hashicorp/bionic64` from [HashiCorp's Vagrant Cloud box catalog](https://vagrantcloud.com/boxes/search), where you can find and host boxes.
+> This will download the box named `hashicorp/bionic64` from [HashiCorp's Vagrant Cloud box catalog](https://portal.cloud.hashicorp.com/vagrant/discover), where you can find and host boxes.
 >
 > Boxes are globally stored for the current user. Each project uses a box as an initial image to clone from, and never modifies the actual base image. This means that if you have two projects both using the `hashicorp/bionic64` box you just added, adding files in one guest machine will have no effect on the other machine.
 
@@ -135,16 +143,19 @@ vagrant box remove hashicorp/bionic64
   vagrant halt
   ```
   
-  
+
+---
 
 ## VMware Workstation
 
-- Install VMware
+- [Install VMware](../../../home-lab/hypervisors/vmware/vmware-workstation.md)
 - To upgrade the Vagrant VMware utility, download the latest version from the [Vagrant VMware utility downloads page](https://developer.hashicorp.com/vagrant/downloads/vmware) and install the system package to your local system.
 - You can install or update the Vagrant VMware plugin to the latest version by re-running the install command:
 
 ```powershell
 vagrant plugin install vagrant-vmware-desktop
+
+vagrant plugin update
 ```
 
 ![](.gitbook/assets/image-20230201211135873.png)
@@ -204,3 +215,25 @@ vagrant destroy
 
 ------
 
+## 📝 Cheatsheet
+
+```powershell
+vagrant plugin install vagrant-vmware-desktop
+vagrant plugin update
+
+vagrant init <IMAGE>
+vagrant up
+vagrant up --provider=vmware_desktop
+vagrant ssh
+
+vagrant suspend
+vagrant halt
+vagrant destroy
+
+vagrant box list
+vagrant box remove <BOX_NAME>
+
+```
+
+---
+