rostyslav

find . -type f -exec cp {} /dev/null \;

rostyslav

find . -type f -exec cp -v {} /dev/null \;

rostyslav

#!/bin/bash
iptables -I INPUT -i lo -j ACCEPT
iptables -A INPUT -m conntrack --ctstate ESTABLISHED,RELATED -j ACCEPT
iptables -A INPUT -p tcp --dport ssh -j ACCEPT
iptables -A INPUT -p tcp --dport 80 -j ACCEPT
iptables -A INPUT -p tcp --dport 443 -j ACCEPT
iptables -A INPUT -j DROP

rostyslav

#!/bin/bash
iptables -F
 

rostyslav

cp: cannot open `./non-readable' for reading: Permission denied

rostyslav

import java.awt.BorderLayout;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JWindow;
import javax.swing.UIManager;

rostyslav

import java.io.*;
import java.nio.*;
import java.nio.channels.*;
import java.net.*;
import java.util.*;
import java.nio.charset.*;

public class Server {

    public Selector sel = null;

rostyslav

import java.nio.*;
import java.nio.channels.*;
import java.net.*;
import java.io.*;
import java.nio.charset.*;

public class Client {

    public SocketChannel client = null;