15:26:00

#ifconfig -a

eth0      Link encap:Ethernet  HWaddr 00:16:3E:00:00:02
          inet addr:192.168.16.2  Bcast:192.168.16.255  Mask:255.255.255.0
          inet6 addr: fe80::216:3eff:fe00:2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:6486 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3313 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:638373 (623.4 KiB)  TX bytes:987347 (964.2 KiB)
eth1      Link encap:Ethernet  HWaddr 00:16:3E:00:01:02
          inet addr:192.168.18.30  Bcast:192.168.18.31  Mask:255.255.255.224
...
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)
sit0      Link encap:IPv6-in-IPv4
          NOARP  MTU:1480  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0
          RX bytes:0 (0.0 b)  TX bytes:0 (0.0 b)

15:26:07

#ping 192.168.18.1

PING 192.168.18.1 (192.168.18.1) 56(84) bytes of data.
64 bytes from 192.168.18.1: icmp_seq=1 ttl=64 time=14.0 ms
64 bytes from 192.168.18.1: icmp_seq=2 ttl=64 time=4.03 ms
64 bytes from 192.168.18.1: icmp_seq=3 ttl=64 time=7.45 ms
--- 192.168.18.1 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 4.036/8.527/14.093/4.176 ms

15:26:39

#ping 192.168.18.30

PING 192.168.18.30 (192.168.18.30) 56(84) bytes of data.
64 bytes from 192.168.18.30: icmp_seq=1 ttl=64 time=0.012 ms
64 bytes from 192.168.18.30: icmp_seq=2 ttl=64 time=0.015 ms
64 bytes from 192.168.18.30: icmp_seq=3 ttl=64 time=0.024 ms
--- 192.168.18.30 ping statistics ---
3 packets transmitted, 3 received, 0% packet loss, time 1998ms
rtt min/avg/max/mdev = 0.012/0.017/0.024/0.005 ms

15:27:42

#cat /etc/init.d/networking

#!/bin/sh -e
### BEGIN INIT INFO
# Provides:          networking
# Required-Start:    mountkernfs ifupdown $local_fs
# Required-Stop:     ifupdown $local_fs
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Raise network interfaces.
### END INIT INFO
PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
...
        else
            log_action_end_msg $?
        fi
        ;;
*)
        echo "Usage: /etc/init.d/networking {start|stop|restart|force-reload}"
        exit 1
        ;;
esac
exit 0

15:38:26

#ping 192.168.18.62

PING 192.168.18.62 (192.168.18.62) 56(84) bytes of data.
64 bytes from 192.168.18.62: icmp_seq=1 ttl=64 time=7.64 ms
64 bytes from 192.168.18.62: icmp_seq=2 ttl=64 time=5.89 ms
64 bytes from 192.168.18.62: icmp_seq=3 ttl=64 time=5.90 ms
64 bytes from 192.168.18.62: icmp_seq=4 ttl=64 time=3.35 ms
--- 192.168.18.62 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 2999ms
rtt min/avg/max/mdev = 3.359/5.702/7.644/1.529 ms

Вторник (08/11/09)

13:10:57

#ls -la

итого 249
drwxr-xr-x  2 root root 1616 2009-08-11 13:53 .
drwxr-xr-x 58 root root 3464 2009-08-11 13:57 ..
-rwxr-xr-x  1 root root 5089 2006-09-20 14:33 bootclean
-rwxr-xr-x  1 root root 2146 2006-09-13 00:30 bootlogd
-rwxr-xr-x  1 root root 1915 2006-09-20 14:27 bootmisc.sh
-rw-r--r--  1 root root  169 2009-08-11 13:53 chargen
-rwxr-xr-x  1 root root 2930 2006-09-14 11:20 checkfs.sh
-rwxr-xr-x  1 root root 9548 2006-09-23 10:34 checkroot.sh
-rwxr-xr-x  1 root root  468 2006-09-24 17:15 console-cyrillic
...
-rwxr-xr-x  1 root root  520 2006-09-13 00:26 stop-bootlogd
-rwxr-xr-x  1 root root  730 2006-10-02 20:14 stop-bootlogd-single
-rwxr-xr-x  1 root root  541 2006-04-06 22:58 sudo
-rwxr-xr-x  1 root root 2037 2006-05-25 12:38 sysklogd
-rwxr-xr-x  1 root root 3175 2006-11-25 11:22 umountfs
-rwxr-xr-x  1 root root 2128 2006-11-26 20:23 umountnfs.sh
-rwxr-xr-x  1 root root 1122 2006-09-30 17:37 umountroot
-rwxr-xr-x  1 root root 1815 2006-09-13 00:30 urandom
-rwxr-xr-x  1 root root 1805 2007-02-13 12:02 x11-common
-rwxr-xr-x  1 root root 1481 2006-05-08 19:09 xinetd

13:12:18

#telnet localhost 127.0.0.1 chargen

1ÐÐ¾Ð¼Ð¾ÑÑ 2ÐÐµÐ½Ñ   3ÐÑÐ¾ÑÐ¼Ð¾Ñ4ÐÑÐ°Ð²ÐºÐ° 5ÐÐ¾Ð¿Ð¸Ñ  6ÐÐµÑÐµÐÐ´µÑ7ÐÐ²ÐÑÐ»Ð¾Ð³8Ð£Ð´Ð°Ð»Ð¸ÑÑ9ÐÐµÐ½ÑMC 10ÐÑÑÐ¾Ð´
# ls -la
Ð¸ÑÐ¾Ð³Ð¾ 249
drwxr-xr-x  2 root root 1624 2009-08-11 14:11 .
drwxr-xr-x 58 root root 3464 2009-08-11 13:57 ..
-rwxr-xr-x  1 root root 5089 2006-09-20 14:33 bootclean
-rwxr-xr-x  1 root root 2146 2006-09-13 00:30 bootlogd
-rwxr-xr-x  1 root root 1915 2006-09-20 14:27 bootmisc.sh
-rwxr--r--  1 root root  169 2009-08-11 13:53 chargen.sh
-rwxr-xr-x  1 root root 2930 2006-09-14 11:20 checkfs.sh
...
-rwxr-xr-x  1 root root  541 2006-04-06 22:58 sudo
-rwxr-xr-x  1 root root 2037 2006-05-25 12:38 sysklogd
-rwxr-xr-x  1 root root 3175 2006-11-25 11:22 umountfs
-rwxr-xr-x  1 root root 2128 2006-11-26 20:23 umountnfs.sh
-rwxr-xr-x  1 root root 1122 2006-09-30 17:37 umountroot
-rwxr-xr-x  1 root root 1815 2006-09-13 00:30 urandom
-rwxr-xr-x  1 root root 1805 2007-02-13 12:02 x11-common
-rwxr-xr-x  1 root root 1481 2006-05-08 19:09 xinetd
Usage: telnet [-4] [-6] [-8] [-E] [-L] [-a] [-d] [-e char] [-l user]
        [-n tracefile] [ -b addr ] [-r] [host-name [port]]

Файлы

#!/bin/sh -e
### BEGIN INIT INFO
# Provides:          networking
# Required-Start:    mountkernfs ifupdown $local_fs
# Required-Stop:     ifupdown $local_fs
# Default-Start:     S
# Default-Stop:      0 6
# Short-Description: Raise network interfaces.
### END INIT INFO
PATH="/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin"
[ -x /sbin/ifup ] || exit 0
. /lib/lsb/init-functions
spoofprotect_rp_filter() {
    [ -e /proc/sys/net/ipv4/conf/all/rp_filter ] || return 1
    RC=0
    for f in /proc/sys/net/ipv4/conf/*/rp_filter; do
        echo 1 > $f || RC=1
    done
    return $RC
}
spoofprotect() {
    log_action_begin_msg "Setting up IP spoofing protection"
    if spoofprotect_rp_filter; then
        log_action_end_msg 0 "rp_filter"
    else
        log_action_end_msg 1
    fi
}
ip_forward() {
    log_action_begin_msg "Enabling packet forwarding"
    if echo 1 > /proc/sys/net/ipv4/ip_forward; then
        log_action_end_msg 0
    else
        log_action_end_msg 1
    fi
}
syncookies() {
    log_action_begin_msg "Enabling TCP SYN cookies"
    if echo 1 > /proc/sys/net/ipv4/tcp_syncookies; then
        log_action_end_msg 0
    else
        log_action_end_msg 1
    fi
}
doopt() {
    optname=$1
    default=$2
    opt=`grep "^$optname=" /etc/network/options || true`
    if [ -z "$opt" ]; then
        opt="$optname=$default"
    fi
    optval=${opt#$optname=}
    if [ "$optval" = "yes" ]; then
        eval $optname
    fi
}
process_options() {
    [ -e /etc/network/options ] || return 0
    log_warning_msg "/etc/network/options is deprecated (see README.Debian of netbase)."
    doopt spoofprotect yes
    doopt syncookies no
    doopt ip_forward no
}
case "$1" in
start)
        process_options
        log_action_begin_msg "Configuring network interfaces"
        if ifup -a; then
            log_action_end_msg $?
        else
            log_action_end_msg $?
        fi
        ;;
stop)
        if sed -n 's/^[^ ]* \([^ ]*\) \([^ ]*\) .*$/\2/p' /proc/mounts |
                grep -qE '^(nfs[1234]?|smbfs|ncp|ncpfs|coda|cifs)$'; then
            log_warning_msg "not deconfiguring network interfaces: network shares still mounted."
            exit 0
        fi
        log_action_begin_msg "Deconfiguring network interfaces"
        if ifdown -a --exclude=lo; then
            log_action_end_msg $?
        else
            log_action_end_msg $?
        fi
        ;;
force-reload|restart)
        process_options
        log_action_begin_msg "Reconfiguring network interfaces"
        ifdown -a --exclude=lo || true
        if ifup -a --exclude=lo; then
            log_action_end_msg $?
        else
            log_action_end_msg $?
        fi
        ;;
*)
        echo "Usage: /etc/init.d/networking {start|stop|restart|force-reload}"
        exit 1
        ;;
esac
exit 0

auto lo eth0
iface lo inet loopback
iface  eth0 inet static
         address 192.168.16.2
         netmask 255.255.255.0
         gateway 192.168.16.254

Статистика

Справка

О программе

LiLaLo (L3) расшифровывается как Live Lab Log.
Программа разработана для повышения эффективности обучения Unix/Linux-системам.
(c) Игорь Чубин, 2004-2008

Журнал лабораторных работ

Журнал

Пятница (08/07/09)

Понедельник (08/10/09)

Вторник (08/11/09)

Файлы

Статистика

Справка

О программе