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Журнал лабораторных работ

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Журнал

Среда (04/10/13)

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Журнал

Среда (04/10/13)

/dev/pts/7

12:30:10

#echo $a

12:30:15

#bash

root@debian7:~# echo $a
root@debian7:~# echo $PATH
/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
root@debian7:~# exit
exit

12:30:46

#echo $a

12:32:45

#a=2

12:32:49

#echo $a

12:32:52

#declare -r a=3

12:33:03

#echo $a

12:33:04

#a=4

l3script: a: доступная только на чтение переменная

12:33:09

#declare -x b=1

12:34:10

#bash

root@debian7:~# echo $b
1
root@debian7:~# exit
exit

12:34:46

#declare -i c=a+b

12:35:43

#echo $c

12:35:47

#^C

12:36:02

#echo $a

12:36:16

#b=0

12:37:47

#echo $b

12:37:49

#unset b

12:38:21

#echo $b

12:38:23

#unset a

l3script: unset: a: не могу сбросить: доступно только для чтения variable

12:38:53

#unset -f a

12:39:05

#echo $

12:39:10

#echo $a

12:39:12

#unset -f a

12:39:17

#echo $a

/dev/pts/7

12:39:55

#echo $a

12:39:58

#echo $

$_                           $L3_TAMPERED_EDITORS
$BASH                        $LANG
$BASH_ALIASES                $LANGUAGE
$BASH_ARGC                   $LINENO
$BASH_ARGV                   $LINES
$BASH_CMDS                   $LOGNAME
$BASH_COMMAND                $MACHTYPE
$BASH_COMPLETION             $MAIL
$BASH_COMPLETION_COMPAT_DIR  $MAILCHECK
$BASH_COMPLETION_DIR         $OPTERR
...
$HISTFILE                    $SSH_CLIENT
$HISTFILESIZE                $SSH_CONNECTION
$HISTSIZE                    $SSH_TTY
$HOME                        $STY
$HOSTNAME                    $TERM
$HOSTTYPE                    $TERMCAP
$IFS                         $UID
$L3_HOME                     $USER
$L3_PARENT_TTY               $WINDOW
$L3_SESSION_ID

12:39:58

#set

BASH=/usr/local/bin/l3script
BASHOPTS=checkwinsize:cmdhist:expand_aliases:extglob:extquote:force_fignore:interactive_comments:progcomp:promptvars:sourcepath
BASH_ALIASES=()
BASH_ARGC=()
BASH_ARGV=()
BASH_CMDS=()
BASH_COMPLETION=/etc/bash_completion
BASH_COMPLETION_COMPAT_DIR=/etc/bash_completion.d
BASH_COMPLETION_DIR=/etc/bash_completion.d
BASH_LINENO=()
...
LOGNAME=root
MACHTYPE=i486-pc-linux-gnu
MAIL=/var/mail/root
MAILCHECK=60
OPTERR=1
OPTIND=1
OSTYPE=linux-gnu
PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin
PIPESTATUS=([0]="0")
PPID=21613

12:44:17

#set |less

12:48:43

#echo $*

12:49:39

#echo $@

12:49:49

#echo $#

12:50:22

#echo $-

himBH

12:51:15

#bash -himBH

root@debian7:~# exit
exit

12:51:33

#echo $$

12:52:19

#ls /etc

acpi                    fstab             logrotate.d     rc3.d
adduser.conf            gai.conf          lsb-base        rc4.d
adjtime                 groff             lynx-cur        rc5.d
aliases                 group             magic           rc6.d
alternatives            group-            magic.mime      rc.local
anacrontab              grub.d            mailcap         rcS.d
apm                     gshadow           mailcap.order   reportbug.conf
apt                     gshadow-          mailname        resolv.conf
at.deny                 gssapi_mech.conf  mail.rc         rmt
bash.bashrc             host.conf         manpath.config  rpc
...
dhcp                    ld.so.cache       perl            trafshow
dictionaries-common     ld.so.conf        ppp             ucf.conf
discover.conf.d         ld.so.conf.d      profile         udev
discover-modprobe.conf  lilalo            profile.d       ufw
dpkg                    locale.alias      protocols       updatedb.conf
emacs                   locale.gen        python          vim
email-addresses         localtime         python2.6       w3m
environment             logcheck          rc0.d           wgetrc
exim4                   login.defs        rc1.d           X11
fonts                   logrotate.conf    rc2.d           xml

12:53:40

#echo $?

12:54:01

#ls 123

12:54:05

#ls 1234

ls: невозможно получить доступ к 1234: Нет такого файла или каталога

12:54:08

#echo $?

12:54:20

#crontab -e

# Edit this file to introduce tasks to be run by cron.
#
# Each task to run has to be defined through a single line
# indicating with different fields when the task will be run
# and what command to run for the task
#
# To define the time you can provide concrete values for
# minute (m), hour (h), day of month (dom), month (mon),
# and day of week (dow) or use '*' in these fields (for 'any').#
# Notice that tasks will be started based on the cron's system
# daemon's notion of time and timezones.
#
# Output of the crontab jobs (including errors) is sent through
# email to the user the crontab file belongs to (unless redirected).
#
# For example, you can run a backup of all your user accounts
# at 5 a.m every week with:
# 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/
#
                            [ Прочитано 22 строки ]
No modification made

12:56:16

#EDITOR=vim

12:56:27

#crontab -e

x# Edit this file to introduce tasks to be run by cron.
#
# Each task to run has to be defined through a single line
# indicating with different fields when the task will be run
# and what command to run for the task
#
# To define the time you can provide concrete values for
# minute (m), hour (h), day of month (dom), month (mon),
# and day of week (dow) or use '*' in these fields (for 'any').#
# Notice that tasks will be started based on the cron's system
# daemon's notion of time and timezones.
#
# Output of the crontab jobs (including errors) is sent through
# email to the user the crontab file belongs to (unless redirected).
#
# For example, you can run a backup of all your user accounts
# at 5 a.m every week with:
# 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/
#
Сохранить измененный буфер (Ответ "Нет" УНИЧТОЖИТ ВСЕ ИЗМЕНЕНИЯ) ?
No modification made

12:56:36

> \
> ^C

12:56:38

#export EDITOR=vim

12:56:44

#crontab -e

"/tmp/crontab.hNnuGV/crontab" 22L, 888C
 13 # Output of the crontab jobs (including errors) is sent through
 14 # email to the user the crontab file belongs to (unless redirected).
 15 #
 16 # For example, you can run a backup of all your user accounts
 17 # at 5 a.m every week with:
 18 # 0 5 * * 1 tar -zcf /var/backups/home.tgz /home/
 19 #
 20 # For more information see the manual pages of crontab(5) and cron(8)
 21 #
 22 # m h  dom mon dow   command
No modification made

12:56:50

#w3m bash.org.ru

ÐÐ¾Ð»Ñ: Ð¼Ð¸Ð½ÑÑ Ð·Ð° 5 Ð½Ðµ Ð²ÑÑÐ¾Ð´Ð¸Ñ :)
ÐÐ¾Ð»Ñ: Ð¼Ð¾Ð¶ÐµÑ Ð±Ð¸Ð¾Ñ ÐµÐ¼Ñ Ð¿ÐµÑÐµÑÐ¸ÑÑ?
ÐºnÐ¶ÐµÑÑÑ :)
ÐÐ¾Ð²Ð°: ÐµÑÐ»Ð¸,ÑÑÐ¾-ÐÐ¾ Ð±Ð¾Ð»¾Ñ±- Ð¾ÑÑÐµÐ·Ð°ÑÑ Ð½Ð°ÑÐ¸Ðº
+ 1208 â [:||||:] ÐÐ¾Ð´ÐµÐ»Ð¸ÑÑÑÑ 2013-04-10 10:44 #422057
SSS: ÑÐ¾ÑÐµÑÑÑ ÑÑÑÐºÑÐ¾Ð²  Ð»Ð¸  Ð²Ð¾ÑÐµÐ¹...
AAA: Ð² Ð²Ð¸Ð³Ð¸ÑÐ¾ÑÐ¸Ð°Ð½ÑÑ ÑÐ¾ÑÐµÑÑ Ð¿Ð¾Ð´Ð°ÑÑ Ñ?
Ð¸ÑÐ¾Ð³Ðµ Ð´ÑÑÐ³ ÑÐµÐ¿ÐµÑÑÐÐºÐ¸ÑÐ¿Ð¸Ñ. ÑÑÐ¾ Ð´ÐµÐ»Ð°ÑÑ?Â» :)
SSS: ÐÐµÑ. ÐÐ½] Ð¿ÐÐ¾ÑÑÐ¾ Ð½Ðµ ÑÐ²Ð°1Ð°ÐµÑ Ð²Ð¸4Ð°Ð¼Ð¸Ð½Ð¾Ð², Ð° "Ð²Ð¸Ð³Ð¸-ÑÐ¾ÑÐ¸Ð°Ð½ÐµÑ" - ÑÑÐ¾
Ð¼ÐµÑÑÐ°Ñ.
...
ÐÐ½Ð° ÑÑÑ Ð¼ÐµÐ´ÑÐµÑÑÑÐ¾Ð¹ ÑÐ°Ð±Ð¾ÑÐ°ÐµÑ.
+ 431 â [:||||:] ÐÐ¾Ð´ÐµÐ»Ð¸ÑÑÑÑ 2013-04-10 10:12 #422055
Ð¡ ÑÐ°Ð±ÑÐ° (Ð¾Ð±ÑÑÐ¶Ð´Ðµ¾Ð¸Ðµ Ð½Ð¾Ð²Ð¾ÑÑÐ¸ Ð¾ ÐÐ¾ÑÐ´Ð¶ÐµÑÐ°Ñ):
+ ÐµÑÑÐ°Ñ.
ÐÑÐµÑÐ°ÐÐ´Ð¸Ð°»Ð¾Ð³ Ð´Ð²ÑÑ ÐºÐ°ÑÐºÐ¾Ð² Ð¾ÐºÐ¾ Ð¾ ÐÐ¡ÐÐ:
âª â â Viewing <Ð¦Ð¸ÑÐ°ÑÐ½Ð¸Ðº Ð ÑÐ½ÐµÑÐ°>
+ 1159 â [:||||:] ÐÐ¾Ð´ÐµÐ»Ð¸ÑÑÑÑ°2013-04-10 10:44 #422056
+ 997 â [:||||:] ÐÐ¾Ð´ÐµÐ»Ð¸ÑÑÑÑ 2013-04-10 12:13 #422064
Ð¡ÑÐ¾Ñ ÑÐµÐ³Ð¾Ð´Ð½Ñ Ð² Ð°Ð¿ÑÐµÐºÐµ Ð² Ð¾ÑÐµÑÐµÐ´Ð¸. ÐÐµÑÐµÐ´Ð¾ Ð¼Ð½Ð¾Ð¹ Ð´ÐµÐ²ÑÑÐºÐ° (Ð) ÑÐ¾Ð²ÐµÑÑÐµÑÑÑ Ñ
Ð°Ð¿ÑÐµÐºÐ°ÑÑÐµÐ¹ (Ð), ÐºÐ°ÐºÐ¾Ðµ Ð»ÐµÐºÐ°ÑÑÑÐ²Ð¾ Ð²ÑÐ±ÑÐ°ÑÑ.

12:58:39

#amarao: Накатывать апдей на аппарат на расстоянии в 10-20 ае... У меня бы рука

12:58:39

##links bash.org.ru

12:58:53

#lynx bash.org.ru

13:01:26

#echo $OLDPWD

13:01:34

#cd /etc/

13:01:39

#echo $OLDPWD

/root

13:01:40

#echo $PWD

/etc

13:01:43

#cd $OLDPWD

13:01:55

#pwd

/root

13:01:57

#vim file

--- /tmp/l3-saved-21614.15149.12018	2013-04-10 14:07:59.000000000 +0300
+++ file	2013-04-10 14:08:14.000000000 +0300
@@ -1,8 +1 @@
-lnux
-widows
-macos
-andoid
-freebsd
-unix
-qnx
-os2
+echo 'hello world'

13:08:14

#bash file

hello world

13:08:17

#test -d /etc/123

13:10:08

#echo $?

13:10:40