Журнал лабораторных работ

Содержание

Журнал

Среда (11/10/10)

/dev/pts/0
06:33:09
$ыьс
bash: ьс: команда не найдена
прошло >3 часов
/dev/pts/5
09:54:22
$su
200           rdesktop -uol14 -p13r@7t -g1024x768 -a16 -k en-us.fixed 192.168.0.2
WARNING: No translation for (keysym 0xfe0a, ISO_Prev_Group)
WARNING: No translation for (keysym 0x6eb, Cyrillic_KA)
WARNING: No translation for (keysym 0x6cb, Cyrillic_ka)
WARNING: No translation for (keysym 0x6cf, Cyrillic_o)
WARNING: No translation for (keysym 0x6cf, Cyrillic_o)
WARNING: No translation for (keysym 0x6cd, Cyrillic_em)
WARNING: No translation for (keysym 0x6cd, Cyrillic_em)
WARNING: No translation for (keysym 0x6d0, Cyrillic_pe)
WARNING: No translation for (keysym 0x6d0, Cyrillic_pe)
...
WARNING: No translation for (keysym 0x6d2, Cyrillic_er)
WARNING: No translation for (keysym 0x6d2, Cyrillic_er)
WARNING: No translation for (keysym 0x6c5, Cyrillic_ie)
WARNING: No translation for (keysym 0x6c5, Cyrillic_ie)
WARNING: No translation for (keysym 0x6d3, Cyrillic_es)
WARNING: No translation for (keysym 0x6d3, Cyrillic_es)
WARNING: No translation for (keysym 0x6d4, Cyrillic_te)
WARNING: No translation for (keysym 0x6d4, Cyrillic_te)
WARNING: No translation for (keysym 0x6c9, Cyrillic_i)
WARNING: No translation for (keysym 0x6c9, Cyrillic_i)
прошло 93 минуты
/dev/pts/7
11:27:47
$su
200           rdesktop -uol14 -p13r@7t -g1024x768 -a16 -k en-us.fixed 192.168.0.2
WARNING: No translation for (keysym 0x2e, period)
WARNING: No translation for (keysym 0x2e, period)
WARNING: No translation for (keysym 0x2e, period)
WARNING: No translation for (keysym 0x2e, period)

Вторник (11/16/10)

/dev/pts/0
07:03:21
$su

Четверг (11/18/10)

/dev/pts/0
04:37:20
$su

04:37:20
$su
               sh   -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
04:37:29
$ssh -p 2233 193.138.131.107
Read from socket failed: Connection reset by peer
прошло 12 минут
04:49:47
$ssh -p 2233 193.138.131.107
Linux iserver1 2.6.26-2-686 #1 SMP Thu Sep 16 19:35:51 UTC 2010 i686
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Thu Nov 18 14:56:24 2010
ol14@iserver1:~$
Broadcast message from root@iserver1 (Thu Nov 18 16:25:22 2010):
Power button pressed
The system is going down for system halt NOW!
Read from remote host 193.138.131.107: Connection timed out
Connection to 193.138.131.107 closed.

Пятница (11/19/10)

/dev/pts/2
05:33:04
$su

05:33:04
$su

/dev/pts/2
05:34:28
$ssh -p 2233 193.138.131.107
│/opt                                                                      │   1024│Янв  3  1999 ▒│                                                                           │       │             ▒
│/proc                                                                     │      0│Ноя 19 14:04 ▒│                                                                           │       │             ▒
│/root                                                                     │   1024│Окт  7 20:30 ▒│                                                                           │       │             ▒
│/sbin                                                                     │   6144│Сен 30 20:02 ▒│                                                                           │       │             ▒
│/selinux                                                                  │   1024│Сен 16  2008 ▒│                                                                           │       │             ▒
│/srv                                                                      │   1024│Янв  3  1999 ▒│                                                                           │       │             ▒
│/sys                                                                      │      0│Ноя 19 14:04 ▒│                                                                           │       │             ▒
│/tmp                                                                      │   1024│Ноя 19 15:37 ▒│                                                                           │       │             ▒
│/usr                                                                      │   4096│Мар  9  2010 ▒│                                                                           │       │             ▒
│/var                                                                      │   4096│Апр 28  2010 ▒│                                                                           │       │             ▒
...
│/bin                                                                                            ││/..                                                                                              │
└────────────────────────────────────────────────────────────────────────────────────────────────┘└──────────────────────────────────â
Совет: Вы можете задать имя пользователя в команде: 'cd /#ftp:user@machine.edu'.
iserver1:/home/ol14#                                                                                                                                                                              [^]
1Помощь 2Меню   3Просмот4Правка 5Копия  6Перемес7НвКтлог8Удалить9МенюMC 10Выход
Broadcast message from root@iserver1 (Fri Nov 19 20:54:02 2010):
Power button pressed
The system is going down for system halt NOW!
Connection to 193.138.131.107 closed by remote host.
Connection to 193.138.131.107 closed.

Понедельник (11/22/10)

/dev/pts/2
04:35:12
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
04:35:22
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
прошло 100 минут
/dev/pts/0
06:15:46
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
06:15:55
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: Connection refused
прошло >3 часов
/dev/pts/0
09:35:34
$ssh -p 2233 193.138.131.107
Linux iserver1 2.6.26-2-686 #1 SMP Thu Sep 16 19:35:51 UTC 2010 i686
The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.
Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
Last login: Mon Nov 22 18:31:08 2010
ol14@iserver1:~$ ыsu
Пароль:
su: Сбой при проверке подлинности
...
           received:      11.14 MB (68.8%)
        transmitted:       5.92 MB (31.2%)
              total:      17.05 MB
                        rx     |     tx     |  total
        -----------------------+------------+-----------
            today     11.14 MB |    5.92 MB |   17.05 MB
        -----------------------+------------+-----------
        estimated        12 MB |       5 MB |      17 MB
iserver1:/home/ol14# vnstat  -i eth0 -l
Monitoring eth0...    (press CTRL-C to stop)

Вторник (11/23/10)

/dev/pts/6
04:49:11
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
прошло 39 минут
/dev/pts/0
05:28:57
$mc
прошло 86 минут
/dev/pts/0
06:55:36
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
прошло 12 минут
/dev/pts/0
07:07:51
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host
прошло 34 минуты
/dev/pts/0
07:41:54
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host

Пятница (11/26/10)

/dev/pts/2
11:12:53
$smbstatus
ERROR: Failed to initialise messages database: Отказано в доступе
messaging_tdb_init failed: NT_STATUS_ACCESS_DENIED
Samba version 3.2.5
PID     Username      Group         Machine
-------------------------------------------------------------------
Service      pid     machine       Connected at
-------------------------------------------------------
No locked files
11:12:56
$su
Пароль:
su: Сбой при проверке подлинности

Понедельник (11/29/10)

/dev/pts/2
10:52:12
$cat /etc/apt/sources.list
#
# deb cdrom:[Debian GNU/Linux 5.0.2a _Lenny_ - Official i386 DVD Binary-1 20090817-00:51]/ lenny contrib main
# deb cdrom:[Debian GNU/Linux 5.0.2a _Lenny_ - Official i386 DVD Binary-1 20090817-00:51]/ lenny contrib main
# deb http://ftp.ru.debian.org/debian/ lenny main non-free
# deb-src http://ftp.ru.debian.org/debian/ lenny main non-free
deb http://security.debian.org/ lenny/updates main non-free contrib
deb-src http://security.debian.org/ lenny/updates main non-free contrib
deb http://volatile.debian.org/debian-volatile lenny/volatile main contrib
deb-src http://volatile.debian.org/debian-volatile lenny/volatile main contrib
deb http://ftp.de.debian.org/debian/ lenny main non-free contrib
...
deb http://www.debian-multimedia.org lenny main
# Opera. Ключ: wget http://deb.opera.com/archive.key -O - | apt-key add -
deb http://deb.opera.com/opera/ lenny non-free
deb http://download.videolan.org/pub/videolan/debian sarge main
deb-src http://download.videolan.org/pub/videolan/debian sarge main
#virtual box
deb http://download.virtualbox.org/virtualbox/debian lenny non-free
#for cups capt driver
deb http://debian.are-ata.org/ all main
deb-src http://debian.are-ata.org/ all main
прошло 46 минут
/dev/pts/4
11:38:27
$mc
11:38:27
$ssh -p 2233 193.138.131.107
ssh: connect to host 193.138.131.107 port 2233: No route to host

Вторник (11/30/10)

/dev/pts/2
08:22:07
$сфеcat /etc/network/interfaces
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
auto lo
iface lo inet loopback
# The primary network interface
allow-hotplug eth0
iface eth0 inet static
        address 192.168.0.127
        netmask 255.255.255.0
        network 192.168.0.0
        broadcast 192.168.0.255
        gateway 192.168.0.126
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 192.168.0.126
        dns-search prombez

Среда (12/01/10)

/dev/pts/6
06:28:43
$cat /etc/apt/sources.list

06:28:43
$ssh -p 2233 193.138.131.107
│/..              │-ВВЕРХ-│Ноя 26 23:26│
│/.cache          │   4096│Дек  1 10:29│
│/.compiz         │   4096│Ноя 27 00:06│
│/.config         │   4096│Ноя 30 00:47│
│/.dbus           │   4096│Ноя 26 23:42│
│/.fontconfig     │   4096│Ноя 30 16:36│
│/.gconf          │   4096│Дек  1 08:57│
│/.gconfd         │   4096│Дек  1 11:23│
│/.gnome2         │   4096│Ноя 30 17:25│
│/.gnome2_private │   4096│Ноя 26 23:43│
...
â/lib      │                                                        │    4096│Дек  1 08:57│
â/media    └────────────────────────────────────────────────────────┘
â/opt            ‚Ñ‹  4096│Апр 29  2010 26 23:42‚/.gvfs           │      0│Дек  1 08:57│
â/root    инки    4096│Ноя 30 20:07:476││/.icons          │   4096│Ноя 30 15:58│
â/selinux         уп4096│Дек  6  2009оя 26 23:42c             │   4096│Дек  1 11:23│
â/home  РХ-     ы ¿Ð½Ñ‹Ðµ             ││-ВВЕРХ-                               │
СовÐМакросы % работают даже в командной строке.
ol14@gpm-10-2:~$ exit
выход
Connection to 192.168.0.84 closed.
прошло 57 минут
07:25:59
$ssh -p 2233 192.168.0.84 &
[1] 26588
07:29:29
$ol14@192.168.0.84's password:
13r27t
bash: 13r27t: команда не найдена
[1]+  Stopped                 ssh -p 2233 192.168.0.84
07:29:44
$ssh -p 2233 192.168.0.84
ol14@192.168.0.84's password:
Linux gpm-10-2 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 09:00:03 UTC 2010 i686 GNU/Linux
Ubuntu 10.04.1 LTS
Welcome to Ubuntu!
 * Documentation:  https://help.ubuntu.com/
0 packages can be updated.
0 updates are security updates.
Last login: Wed Dec  1 10:29:25 2010 from adm.prombez
ol14@gpm-10-2:~$ exit
выход
Connection to 192.168.0.84 closed.
07:30:20
$ssh -p 2233 192.168.0.84 mc
ol14@192.168.0.84's password:
Cannot get terminal settings: Недопустимый аргумент (22)
TERM environment variable needs set.
07:30:32
$ssh -p -X 2233 192.168.0.84
Bad port '-X'
прошло 12 минут
07:42:34
$ssh -p 2233 -X 192.168.0.84
ol14@192.168.0.84's password:
Linux gpm-10-2 2.6.32-26-generic #48-Ubuntu SMP Wed Nov 24 09:00:03 UTC 2010 i686 GNU/Linux
Ubuntu 10.04.1 LTS
Welcome to Ubuntu!
 * Documentation:  https://help.ubuntu.com/
0 packages can be updated.
0 updates are security updates.
Last login: Wed Dec  1 11:30:18 2010 from adm.prombez
/usr/bin/xauth:  creating new authority file /home/ol14/.Xauthority
ol14@gpm-10-2:~$ exit
выход
Connection to 192.168.0.84 closed.
07:43:28
$ssh -p 2233 -X 192.168.0.84 'psi'
ol14@192.168.0.84's password:
bash: psi: команда не найдена
07:43:45
$ssh -p 2233 -X 192.168.0.84 'gdm'
ol14@192.168.0.84's password:
** (gdm-binary:6295): WARNING **: Failed to acquire org.gnome.DisplayManager: Connection ":1.55" is not allowed to own the service "org.gnome.DisplayManager" due to security policies in the configuration file
** (gdm-binary:6295): WARNING **: Could not acquire name; bailing out
07:44:14
$ssh -p 2233 -X 192.168.0.84 'totem'
ol14@192.168.0.84's password:
Permission denied, please try again.
ol14@192.168.0.84's password:
Connection closed by 192.168.0.84
07:52:00
$xcalc

07:52:27
$xterm -geometry +1+1 -n ol14 -display :0

/dev/pts/8
07:53:05
$startx
X: user not authorized to run the X server, aborting.
^[[A^[[A^[[A^Z
[1]+  Stopped                 startx
/dev/pts/6
07:53:52
$totem
No accelerated IMDCT transform found
прошло 24 минуты
/dev/pts/6
08:18:06
$ssh-copy-id "-p 2233 ol14@192.168.0.84"
ol14@192.168.0.84's password:
Permission denied, please try again.
ol14@192.168.0.84's password:
Now try logging into the machine, with "ssh '-p 2233 ol14@192.168.0.84'", and check in:
  .ssh/authorized_keys
to make sure we haven't added extra keys that you weren't expecting.

Четверг (12/02/10)

/dev/pts/4
11:42:48
$mc

Понедельник (12/06/10)

/dev/pts/0
13:32:07
$rm -rf ~/.openoffice.org

13:32:10
$rm -rf ~/.openoffice.org

Вторник (12/07/10)

/dev/pts/4
09:19:04
$su

09:19:04
$mc

Среда (12/08/10)

/dev/pts/3
07:07:34
$VBoxManage startvm “Windows XP”
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
Usage:
VBoxManage startvm          <uuid>|<name>
                            [--type gui|sdl|vrdp|headless]
Syntax error: Invalid parameter 'XP”'
07:10:12
$VBoxManage startvm “Windows XPâââââââââââ€wâ€iâ€n”
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
ERROR: Could not find a registered machine named '“win”'
Details: code VBOX_E_OBJECT_NOT_FOUND (0x80bb0001), component VirtualBox, interface IVirtualBox, callee nsISupports
Context: "FindMachine(Bstr(VMName), machine.asOutParam())" at line 355 of file VBoxManageMisc.cpp
07:10:24
$VBoxManage startvm “w"win"
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
Waiting for the VM to power on...
VM has been successfully started.
07:11:30
$VBoxManage list vms
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
"win" {31a5b729-a83b-4267-9c84-0e4fbc70331a}
"test2" {0c38d6d7-26b0-474a-94c1-6107422471ff}
"Debian" {fe112766-f2c5-4d89-8a7c-a5bae98360ca}
"WSUS" {cf153778-d347-4c58-86d2-7197deac0784}
"srv-01.local" {92a30e9d-37ac-480d-a9d8-9d545ef9bd57}
"work1.local" {b4f4bd62-07f8-4d3e-82d0-5c1375ce0ef6}
"srv-ad.local" {fa8159c3-298e-4646-a93f-7d3d78403c59}
"apt-cacher-ng" {d90b8f65-8671-4a66-8998-29f213fb7053}
"Ubuntu-test" {48558ef9-9977-4c67-b15f-1d254bb637c2}
прошло 102 минуты
/dev/pts/5
08:54:27
$VBoxManage list vms
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
"win" {31a5b729-a83b-4267-9c84-0e4fbc70331a}
"test2" {0c38d6d7-26b0-474a-94c1-6107422471ff}
"Debian" {fe112766-f2c5-4d89-8a7c-a5bae98360ca}
"WSUS" {cf153778-d347-4c58-86d2-7197deac0784}
"srv-01.local" {92a30e9d-37ac-480d-a9d8-9d545ef9bd57}
"work1.local" {b4f4bd62-07f8-4d3e-82d0-5c1375ce0ef6}
"srv-ad.local" {fa8159c3-298e-4646-a93f-7d3d78403c59}
"apt-cacher-ng" {d90b8f65-8671-4a66-8998-29f213fb7053}
"Ubuntu-test" {48558ef9-9977-4c67-b15f-1d254bb637c2}

Четверг (12/09/10)

/dev/pts/1
10:55:43
$nsllokup oleg
bash: nsllokup: команда не найдена
10:56:11
$nslookup oleg
Server:         192.168.0.126
Address:        192.168.0.126#53
Name:   oleg.prombez
Address: 192.168.0.1
10:56:21
$nslookup oleg
Server:         192.168.0.126
Address:        192.168.0.126#53
Name:   oleg.prombez
Address: 192.168.0.1
11:04:57
$nslookup oleg
Server:         192.168.0.126
Address:        192.168.0.126#53
Name:   oleg.prombez
Address: 192.168.0.1
11:06:01
$nslookup adm
Server:         192.168.0.126
Address:        192.168.0.126#53
Name:   adm.prombez
Address: 192.168.0.127
11:06:07
$nslookup adm
Server:         192.168.0.126
Address:        192.168.0.126#53
Name:   adm.prombez
Address: 192.168.0.127
11:09:10
$nslookup ya.ru
Server:         192.168.0.126
Address:        192.168.0.126#53
Non-authoritative answer:
Name:   ya.ru
Address: 87.250.250.3
Name:   ya.ru
Address: 87.250.251.3
Name:   ya.ru
Address: 93.158.134.3
Name:   ya.ru
Address: 213.180.204.3
Name:   ya.ru
Address: 77.88.21.3
11:10:37
$nslookup mail.ru
Server:         192.168.0.126
Address:        192.168.0.126#53
Non-authoritative answer:
Name:   mail.ru
Address: 94.100.191.204
Name:   mail.ru
Address: 94.100.191.201
Name:   mail.ru
Address: 94.100.191.202
Name:   mail.ru
Address: 94.100.191.203
11:10:56
$nslookup -type=ns com.
Server:         192.168.0.126
Address:        192.168.0.126#53
Non-authoritative answer:
com     nameserver = j.gtld-servers.net.
com     nameserver = a.gtld-servers.net.
com     nameserver = b.gtld-servers.net.
com     nameserver = c.gtld-servers.net.
com     nameserver = i.gtld-servers.net.
com     nameserver = l.gtld-servers.net.
com     nameserver = m.gtld-servers.net.
...
d.gtld-servers.net      internet address = 192.31.80.30
e.gtld-servers.net      internet address = 192.12.94.30
f.gtld-servers.net      internet address = 192.35.51.30
g.gtld-servers.net      internet address = 192.42.93.30
h.gtld-servers.net      internet address = 192.54.112.30
i.gtld-servers.net      internet address = 192.43.172.30
j.gtld-servers.net      internet address = 192.48.79.30
k.gtld-servers.net      internet address = 192.52.178.30
l.gtld-servers.net      internet address = 192.41.162.30
m.gtld-servers.net      internet address = 192.55.83.30
11:16:56
$nslookup -type=ns prombez.
Server:         192.168.0.126
Address:        192.168.0.126#53
prombez nameserver = iserver.prombez.
11:17:19
$nslookup mydeb.ru
Server:         192.168.0.126
Address:        192.168.0.126#53
Non-authoritative answer:
Name:   mydeb.ru
Address: 209.190.85.10
прошло 19 минут
11:37:00
$nslookup list.ru
Server:         192.168.0.126
Address:        192.168.0.126#53
Non-authoritative answer:
Name:   list.ru
Address: 94.100.178.204
11:37:13
$ping ya.ru
PING ya.ru (77.88.21.3) 56(84) bytes of data.
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1 ttl=53 time=1181 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=3 ttl=53 time=1004 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=4 ttl=53 time=802 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=5 ttl=53 time=948 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=6 ttl=53 time=1039 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=7 ttl=53 time=1054 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=8 ttl=53 time=1087 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=9 ttl=53 time=1141 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=10 ttl=53 time=1152 ms
...
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1318 ttl=53 time=50.7 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1319 ttl=53 time=50.9 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1320 ttl=53 time=50.8 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1321 ttl=53 time=50.7 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1322 ttl=53 time=51.2 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1323 ttl=53 time=51.0 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1324 ttl=53 time=52.9 ms
64 bytes from www.yandex.ru (77.88.21.3): icmp_seq=1325 ttl=53 time=50.5 ms
^Z
[1]+  Stopped                 ping ya.ru

Пятница (12/10/10)

/dev/pts/0
07:49:09
$VBoxManage list vms
                         startvm "win"
Oracle VM VirtualBox Command Line Management Interface Version 3.2.12
(C) 2005-2010 Oracle Corporation
All rights reserved.
Waiting for the VM to power on...
VM has been successfully started.
прошло >2 часов
/dev/pts/6
10:31:07
$VBoxManage list vms

10:31:07
$ssh -p 2233 193.138.131.107

10:31:07
$ssh -p 2233 193.138.131.107

Понедельник (12/13/10)

/dev/pts/1
05:33:38
$VBoxManage startvm "win"
200           rdesktop -uol14 -p13r@7t -g1024x768 -a16 -k en-us.fixed 192.168.0.2

Среда (12/15/10)

/dev/pts/1
06:48:21
$VBoxManage startvm "win"

06:48:21
$ping ya.ru

06:48:21
$VBoxManage list vms

06:48:21