morteza-mori

NetCat
Ex: nc -v IP PORT → Connect to the port
Open port and listen: nc -k -l PORT → -k means keep listening
Port scanning: nc -zv IP PORTRANGE
nc -p 31337 -w 5 host.example.com 42
Open a TCP connection to port 42 of host.example.com, using port 31337 as
the source port, with a timeout of 5 seconds:
nc -u host.example.com 53
Open a UDP connection to port 53 of host.example.com
To listen on port PORT and accept:

morteza-mori

Kill TCP connection
tcpkill -9 host google.com
Create IPIP Tunnel:
Linux 1:
# ip tunnel add ipip-Tunnel mode ipip remote 20.0.0.2 local 20.0.0.1
# ifconfig ipip-Tunnel 10.0.0.1/24
Linux 2:
# ip tunnel add ipip-Tunnel mode ipip remote 20.0.0.1 local 20.0.0.2
# ifconfig ipip-Tunnel 10.0.0.2/24
# ip tunnel show

morteza-mori

NAST
Find all hosts on the LAN using ARP:
nast -m
Find suitable internet gateway:
nast -i INTERFACE -g
Reset connection:
nast -i INTERFACE -r
See specific traffic:
nast -i INTERFACE -f "src 192.168.1.2"
Check who is online poisoning:

morteza-mori

Find all files in home folder with mp3 format
find ~ -iname '*.mp3'
Find all directories with 777 perm
find /var/www -type d -perm 777
Find all files greater than 20M and sort
find / -type f -size +20M -exec ls -lh {} \; 2> /dev/null | awk '{ print
$NF ": " $5 }' | sort -nk 2,2
Find text files that were last modified 60 days ago
find /home/you -iname "*.txt" -mtime -60 -print

morteza-mori

nethogs - iptraf - bmon - iftop - nmon - glances - iostat - iotop - tload - pstree
- httpry​- dhcpdump - mysql-sniffer - p0f - pktstat​- sysdig​- tcptrack ​-
vnstat - goaccess ​- apachetop - whowatch

morteza-mori

PostgreSQL
Client: psql
Connect to server: psql -h server.domain.org database user
Connection quit: \q
Connect: sudo -u postgres psql postgres
Create user: sudo -u postgres createuser -D -A -P myuser
Create Database: sudo -u postgres createdb -O myuser mydb
Drop Database: drop database DATABASE ;
Dump Database: pg_dump -Fc -U USER DATABASE > NAME
Restore Database: pg_restore -Fc -j CORE_LIMIT -U USER -d DB OLDDB

morteza-mori

According to some problems which happend on servers, it's good idea to use Tmux with RED pane color on servers to avoid problems.

After installing Tmux, put this config in "/etc/tmux.conf" or "~/.tmux.conf": set -g status-bg red
My terminal demonstration:
Green: is my local tmux

Red: is server tmux

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/usr/local/IBSng/addons/client/test/run_periodic_credit_changer.py
run as client.py 

morteza-mori

Jul  4 10:59:36 ibsng-srv RADIUS_WORKER_1: ibs_start_stop:Accounting-Request packet from host 172.16.8.11 port 55815, id=79, length=217 
     NAS-IP-Address = 172.16.8.11 ---> ras ip between aaa& ras 
     Acct-Session-Time = 0
     Acct-Input-Packets = 0
     NAS-Identifier = MikroTik
     Acct-Terminate-Cause = User-Request
     Acct-Session-Id = 81900079
     Acct-Input-Octets = 0
     NAS-Port-Type = Virtual
     Acct-Status-Type = Stop --->status 

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<?php
require_once("../../inc/init.php");
require_once(IBSINC."bw_face.php");
require_once(IBSINC."bw.php");
require_once(IBSINC."report_lib.php");

needAuthType(ADMIN_AUTH_TYPE);
$smarty=new IBSSmarty();
intActiveLeavesInterface($smarty);
print_r($_REQUEST);