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== Linux general commands ==
 
== Linux general commands ==
   
{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
 
! Command !! Description
 
! Command !! Description
 
|-
 
|-
| tty || Shows the terminal where you are connected
+
| [[Linux_command:_alias|alias]] || Creates a commnad
 +
|-
 +
| [[Linux_command:_alien|alien]] || Migrate packages from .rpm to .deb and vice versa
 +
|-
 +
| apropos <subject> || Sows commnads related to a subject
 
|-
 
|-
| free || Shows free memory
+
| [[Linux_comand:_apt-get|apt-get]] || Package installation and system update
 
|-
 
|-
| date || Shows date
+
| [[Linux_command:_awk|awk]] || CLI text processor
 
|-
 
|-
 
| cal || Shows calendar
 
| cal || Shows calendar
 +
|-
 +
| cat <filename> || Shows file content
 
|-
 
|-
 
| clear || Clear screen
 
| clear || Clear screen
 
|-
 
|-
| who || Connected persons
+
| [[Linux_command:_date|date]] || Shows date
 +
|-
 +
| [[Linux_command:_dd|dd]] || Create / Dump images
 
|-
 
|-
| whoami || Who am i
+
| df || Shows the disk ussage. Example: df -h -x devtmpfs -x tmpfs
 
|-
 
|-
| [[Linux_command:_uname|uname]] || Shows system info
+
| dpkg || .deb package installation: sudo dpkg -i packagename.deb
 
|-
 
|-
 
| [[Linux_command:_du|du]] || Disk ussage  
 
| [[Linux_command:_du|du]] || Disk ussage  
 
|-
 
|-
| df || Shows the disk ussage. Example: df -h 
+
| export VARIABLE=VALUE || To create system variables
 
|-
 
|-
| man <command> || Sowhs a command manual page 
+
| [[Linux_command:_fsck|fsck]] || Check file system
 
|-
 
|-
| apropos <subject> || Sows commnads related to a subject
+
| [[Linux_command:_fdisk|fdisk]] || Disk partition utility
 +
|-
 +
| [[Linux_command:_find|find]] || Find files
 +
|-
 +
| free || Shows free memory
 +
|-
 +
| [[Linux:_gpg|gpg]] || GnuPG
 +
|-
 +
| [[Linux_comand:_grep|grep]] || finds text matching regex or text
 +
|-
 +
| head || Shows file start (-n, -f,...)
 +
|-
 +
| history || Shows the commnad history (contained in ~.bash_history)
 
|-
 
|-
 
| info <command> || Sows command info
 
| info <command> || Sows command info
 
|-
 
|-
| history || Shows the commnad history (contained in ~.bash_history)
+
| [[Linux_command:_ln|ln]] || Create simbolic links
 +
|-
 +
| lsb_release -a || Show os name and version
 +
|-
 +
| lsblk ||  
 
|-
 
|-
| pwd || Shows working directory
+
| lspci -v || View PCI device information
 
|-
 
|-
| touch <file_name> || Creates an empty file
+
| lscpu || List cpu cores
 
|-
 
|-
| [[Linux_command:_alias|alias]] || Creates a commnad
+
| lsof || <nowiki>sudo lsof -i -n | egrep '\<ssh\>'</nowiki>
 
|-
 
|-
| cat <filename> || Shows file content
+
| man <command> || Sowhs a command manual page
 
|-
 
|-
| more <filename> || Shows file content, screen by screen
+
| mc || Midnight commander. File system navigation
 
|-
 
|-
| head || Shows file start (-n, -f,...)
+
| mkdosfs -F32 /dev/mmcblk0 || Format SD card with FAT32
 
|-
 
|-
| tail || Shows file end (-n, -f, ...)
+
| more <filename> || Shows file content, screen by screen
 
|-
 
|-
| sort || Sorts the content of a file line by line
+
| mount || File sistem mounting
 
|-
 
|-
| <nowiki><cmd1> | <cmd2></nowiki> || Pipe: takes the output of command1 as input of command2. example: <nowiki>cat /etc/passwd | sort | more</nowiki>
+
| pwd || Shows working directory
 
|-
 
|-
 
| rsync -a ruta1 ruta2 [--exclude=/{dir1, dir2..]/] || Copies files from ruta1 to ruta2 excluding dir1, dir2,...
 
| rsync -a ruta1 ruta2 [--exclude=/{dir1, dir2..]/] || Copies files from ruta1 to ruta2 excluding dir1, dir2,...
 
|-
 
|-
| grep <text> || finds text
+
| [[Linux command: rename|rename]] || Rename files allowing regex
 
|-
 
|-
| wc -l || Counts lines
+
| scp || Copy files to a remote machine over ssh protocol
 
|-
 
|-
| [[Linux_command:_find|find]] || Find files
+
| [[Linux:_SSH|ssh]] || ssh (Secure Shell)
 
|-
 
|-
| [[Linux_comand:_apt-get|apt-get]] || Package installation and system update
+
| [[Linux_command:_sed|sed]] || String replacement
 
|-
 
|-
| dpkg || .deb package installation: sudo dpkg -i packagename.deb
+
| sort || Sorts the content of a file line by line
 
|-
 
|-
 
| su || Log as root at the terminal (sudo su)
 
| su || Log as root at the terminal (sudo su)
 
|-
 
|-
| mount || File sistem mounting
+
| sudo <command>|| Execute command as root
 +
|-
 +
| [[Linux_command:_tar|tar]] || Compress/decompress tar files
 +
|-
 +
| [[Linux command: tail|tail]] || Shows file end (-n, -f, ...)
 +
|-
 +
| touch <file_name> || Creates an empty file
 +
|-
 +
| tty || Shows the terminal where you are connected
 +
|-
 +
| [[Linux_command:_uname|uname]] || Shows system info
 +
|-
 +
| [[Linux_comand:_visudo|visudo]] || visudo is used to securely edit /etc/sudoers
 
|-
 
|-
| [[Linux:_vim|vim]] || Text file editor
+
| wc -l || Counts lines
 
|-
 
|-
| mc || Midnight commander. File system navigation
+
| [[Linux_command:_wget|wget]] || Download files/web pages
 
|-
 
|-
| [[Linux_command:_alien|alien]] || Migrate packages from .rpm to .deb and vice versa
+
| [[Linux:_vim|vim]] || Text file editor
 
|-
 
|-
| scp || Copy files to a remote machine over ssh protocol
+
| who || Connected persons
 
|-
 
|-
| wget || Download files/web pages
+
| whoami || Who am i
|}
  −
 
  −
== Processes ==
  −
{| class="wikitable sortable"
   
|-
 
|-
! Commands !! Description
+
| [[Linux_command:_xargs|xargs]] || Send output of command to stdin
 
|-
 
|-
| ||
+
| <nowiki><cmd1> | <cmd2></nowiki> || Pipe: takes the output of command1 as input of command2. example: <nowiki>cat /etc/passwd | sort | more</nowiki>
 
|}
 
|}
   −
== Users ==
+
== Users and File permissions ==
 
{| class="wikitable sortable"
 
{| class="wikitable sortable"
 
|-
 
|-
 
! Command !! Description
 
! Command !! Description
 
|-
 
|-
 +
| [[Linux_command:_adduser|adduser]] || Add users
 
| w || Show connected users
 
| w || Show connected users
 
|-
 
|-
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|-
 
|-
 
| chgrp <NewGroup> <File> || Change group of file  
 
| chgrp <NewGroup> <File> || Change group of file  
 +
|-
 +
| [[Linux_command:_chmod|chmod]] || Change file permissions
 
|}
 
|}
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|-
 
|-
 
|}
 
|}
  −
  −
  −
        vnc:escritorio remoto
      
== Firewall ==
 
== Firewall ==
iptables -l List firewall rules
+
{| class="wikitable sortable"
service iptables [start, stop] Activate/deactivate firewall
+
|-
route -n Muestra la tabla de enrutamiento
+
! Command !! Description
 +
|-
 +
| [[Linux_command:_iptables|iptables]] || Firewall rules
 +
|-
 +
| service iptables [start, stop] || Activate/deactivate firewall
 +
|-
 +
| route -n || Shows routing table
 +
|}
   −
Instalar KDE
+
== Networking ==
apt-get install kali-defaults kali-root-login desktop-base kde-full
+
{| class="wikitable sortable"
 +
|-
 +
! Command !! Description
 +
|-
 +
| [[Linux command: netstat|netstat]] ||
 +
|-
 +
| nmap || Network mapping
 +
|-
 +
| nm-tool || Network monitor tool
 +
|-
 +
| nm-connection-editor || Network monitor editor
 +
|-
 +
| ifconfig || Show network configuration
 +
|-
 +
| iwconfig || Show WiFi connections
 +
|-
 +
| service networkmanager restart || Restart network daemon
 +
|}
 +
Network Manager configuration files:<br />
 +
*/etc/NetworkManager/system-connections/name-of-connection
 +
Network configuration file:
 +
*/etc/network/interfaces
    +
== Linux key files/directories ==
 +
See: [[Linux:_Key_files/folders|Linux key files/directories]]
      −
aptitude --purge paquete desinstala un paquete
+
== Programs ==
 
+
{| class="wikitable sortable"
df -h Muestra lo que hay montado
+
|-
fdisk -l Muestra las particiones
+
! Command !! Description
 
+
|-
COMPILAR KERNEL
+
| [[Linux_command:_git|git]] || Software repository
1.- Descargar fuentes
+
|-
apt-get install (version nucleo se averigua con uname -r)
+
| coursera-dl ||
se guarda en /usr/src/versionkernel
+
|-
descomprimir el archivo con tar xvf archivo
+
| [[Jp2a|jp2a]] || Jpg to ASCII
entrar en la carpeta descomprimida
+
|-
2.- Configurar
+
| [[Linux:_John|john]] || John the ripper
3.- Compilar
+
|-
instalar build-essential y libncurses5-dev (con apt-get install)
+
| [[Linux:_macchanger|macchanger]] || Change MAC address
make clean limpia anteriores compilaciones
+
|-
make menuconfig
+
| openvpn || Connect to VPN
make deb-pkg
+
|-
se generan: linux-image.dev linux-libc.dev linux-headers.deb instalar con
+
| [[Linux_command:_terminator|terminator]] || Advanced terminal
dpkg -i
+
|-
 
+
| [[Virtualenv|virtualenv]] || Create virtual enviroments
 
+
|-
 
+
| [[Virtualenvwrapper|virtualenvwrapper]] || Simplify virtualenv ussage
WGET
+
|-
wget -xr website.com will download recursively all the files on that site
+
| [[Linux:_youtube-dl|youtube-dl]] || YouTube video downloader
          -r
+
|}
      --recursive
+
vnc:escritorio remoto
          Turn on recursive retrieving.    The default maximum depth is 5.
+
== Save command without running to recover later ==
      -l depth
+
ctrl+u --> saves
      --level=depth
+
ctrl+y --> recover
          Specify recursion maximum depth level depth
  −
 
  −
        wget -m http://nombredelsitioweb.com
  −
        wget -H -r --level=1 -k -p http://nombredelsitioweb.com"
  −
 
  −
TERMINATOR
  −
        inciar: terminator
  −
 
  −
        dividir horizontal: CTRL+SHIFT+O
  −
        dividir vertical CTRL+SHIFT+E
  −
        Redimensionar CTRL+SHIFT+FLECHAS
  −
        carmibar de terminal: ALT+FLECHA
  −
        Copiar: CTRL+SHIFT+C
  −
        Pegar: CTRL+SHIFT+V
  −
        Cerrar ventana: CTRL+SHIFT+W
  −
        Mostrartodos/Mostrar 1: CTRL+SHIFT+X
  −
        Cerrar todo: CTRL+SHIFT+Q
  −
        Ampliar/reducir texto: CTRL+ '+/-'
  −
        Agrupar todos los terminales en una ventana: SUPER+t
  −
        Desagrupar todos los terminales de una ventana: SUPER+SHIFT+T
  −
 
  −
        Archivo de configuración: /.config/terminator/config    +++man terminator_config
  −
 
  −
 
  −
 
  −
 
  −
 
  −
JOHN
  −
                se crea el directorio /root/.john
  −
        john --wordlist:[archivodiccionario] [archivo paswords]
  −
        john --show[=LEFT]             show cracked passwords [if =LEFT, then uncracked]
  −
 
  −
ARCHIVOS IMPORTANTES
  −
        /etc/sudoers
  −
        carpetas de archivos ejecutables (para cada usuario en archivo home .bashrc, abrir con vim.bashrc)
  −
                        (Ver /usr/share/doc/examples/startup-files del paquete bash-doc)
  −
                /opt/sge/bin
  −
                /usr/local/bin
  −
        /etc/init.d/ "directorio para los escripts de los daemons aplicaciones arrancan al inicio.
  −
 
  −
RED
  −
/etc/network/interfaces Configuración de red
  −
/etc/NetworkManager/system-connections/name-of-connection
  −
NETWORK
  −
nm-tool
  −
nm-connection-editor
  −
/etc/NetworkManager/system-connections/name-of-connection
  −
iwconfig: Muestra las conexiones inalambrica
  −
service networkmanager restart: Reinicia network manager
  −
service networking restart: Reinicia el demonio de red
  −
HARDWARE
  −
lspci -v: Muestra información dispositivos PCI
 

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