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Журнал лабораторных работ

Содержание

Журнал

Понедельник (07/16/18)

/dev/pts/0
09:05:53
#ls
install
09:06:45
#useradd ivan










09:15:06




#echo $?


0











09:16:22




#useradd ivan





useradd: пользователь «ivan» уже существует











09:19:48




#echo $?


9











09:19:59




#useradd --help


Использование: useradd [параметры] ПОÐ
seradd -D
               useradd -D [параметры]
Параметры:
  -b, --base-dir БАЗ_КАТ        базовый каталог для домашнего каталога новой
                                учётной записи
  -c, --comment КОММЕНТАРИЙ     поле GECOS новой учётной записи
  -d, --home-dir ДОМ_КАТ        домашний каталог новой учётной записи
  -D, --defaults                показать или изменить настройки
                                по умолчанию для useradd
...
  -p, --password ПАРОЇётной записи
  -r, --system                  создать системную учётную запись
  -R, --root КАТ_CHROOT         каталог, в который выполняется chroot
  -s, --shell ОБОРновой
                                учётной записи
  -u, --uid UID                 пользовательский ID новой учётной записи
  -U, --user-group              создать группу с тем же именем что и у
                                пользователя
  -Z, --selinux-user SEUSER     использовать указанного SEUSER для
                                пользовательского сопоставления SELinux











09:21:18




#$lang












09:22:23




#LANG=``












09:24:10




#$$LANG=``





l3script: 2375LANG=: command not found











09:24:37




#man useradd










09:28:19




#passwd ivan


Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully











09:30:58




#userdel ivan












09:34:45




#useradd --help


Usage: useradd [options] LOGIN
       useradd -D
       useradd -D [options]
Options:
  -b, --base-dir BASE_DIR       base directory for the home directory of the
                                new account
  -c, --comment COMMENT         GECOS field of the new account
  -d, --home-dir HOME_DIR       home directory of the new account
  -D, --defaults                print or change default useradd configuration
  -e, --expiredate EXPIRE_DATE  expiration date of the new account
...
                                the user
  -o, --non-unique              allow to create users with duplicate
                                (non-unique) UID
  -p, --password PASSWORD       encrypted password of the new account
  -r, --system                  create a system account
  -R, --root CHROOT_DIR         directory to chroot into
  -s, --shell SHELL             login shell of the new account
  -u, --uid UID                 user ID of the new account
  -U, --user-group              create a group with the same name as the user
  -Z, --selinux-user SEUSER     use a specific SEUSER for the SELinux user mapping











09:36:39




#useradd -m -s /bin/bash ivan












09:40:02




#passwd ivan


Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully











09:41:41




#useradd -m -s /bin/bash petr












09:50:00




#passwd petr


Enter new UNIX password:
Retype new UNIX password:
passwd: password updated successfully











09:50:27




#useradd -m -s /bin/bash petr





useradd: user 'petr' already exists











09:50:32




#cd /












09:59:44




#cd ..












10:00:18




#cd ivan





l3script: cd: ivan: No such file or directory











10:00:24




#cd root












10:00:38




#cd ..












10:00:55




#cd home












10:01:15




#cd ivan












10:01:33




#cd home/ivan





l3script: cd: home/ivan: No such file or directory











10:02:06




#cd ivan





l3script: cd: ivan: No such file or directory











10:02:14




#cd












10:02:18




#cd /home/ivan












10:03:33




#cd












10:04:10




#ls -l


total 8
-rw-r--r-- 1 root root 5268 Oct 13  2014 install









прошла 21 минута




10:26:08




#ls -la


total 56
drwx------  5 root root 4096 Jul 16 10:01 .
drwxr-xr-x 24 root root 4096 Oct 15  2014 ..
drwx------  2 root root 4096 Jun 27  2014 .aptitude
-rw-------  1 root root 1896 Oct 15  2014 .bash_history
-rw-r--r--  1 root root   10 Jun 27  2014 .bash_profile
-rw-r--r--  1 root root  630 Jun 27  2014 .bashrc
-rw-r--r--  1 root root   51 Jul 13 14:53 .l3rc
drwxr-xr-x  2 root root 4096 Jul 16 10:06 .lilalo
-rw-r--r--  1 root root  140 Nov 19  2007 .profile
drwxr-xr-x  2 root root 4096 Jun 27  2014 .vim
-rw-------  1 root root 5369 Jul 16 10:01 .viminfo
-rw-r--r--  1 root root 5268 Oct 13  2014 install











10:28:45




#ls -la --colot





ls: unrecognized option '--colot'
Try `ls --help' for more information.











10:32:22




#ls -la --color


total 56
drwx------  5 root root 4096 Jul 16 10:01 .
drwxr-xr-x 24 root root 4096 Oct 15  2014 ..
drwx------  2 root root 4096 Jun 27  2014 .aptitude
-rw-------  1 root root 1896 Oct 15  2014 .bash_history
-rw-r--r--  1 root root   10 Jun 27  2014 .bash_profile
-rw-r--r--  1 root root  630 Jun 27  2014 .bashrc
-rw-r--r--  1 root root   51 Jul 13 14:53 .l3rc
drwxr-xr-x  2 root root 4096 Jul 16 10:06 .lilalo
-rw-r--r--  1 root root  140 Nov 19  2007 .profile
drwxr-xr-x  2 root root 4096 Jun 27  2014 .vim
-rw-------  1 root root 5369 Jul 16 10:01 .viminfo
-rw-r--r--  1 root root 5268 Oct 13  2014 install











10:32:26




#alias ls=`ls --color


> alias ls=`ls --color`
> alias ls=`ls --color
alias ls='ls --color'
l3script: alias: --colorls: not found
l3script: alias: --color: not found











10:34:42




#alias


alias ls='ls --color'











10:35:08




#who


root     pts/0        Jul 16 09:55 (192.168.15.124)
ivan     pts/2        Jul 16 10:42 (192.168.15.124)
user     pts/3        Jul 16 10:51 (192.168.15.124)









прошло 11 минут




10:46:48




#echo privet >/dev/pts/2












10:47:46




#ls


install











10:49:54




#mailq












10:50:12




#who


root     pts/0        Jul 16 09:55 (192.168.15.124)
ivan     pts/2        Jul 16 10:42 (192.168.15.124)
user     pts/3        Jul 16 10:51 (192.168.15.124)











10:50:47




#which who


/usr/bin/who











10:51:07




#ls-l /usr/bin/who





l3script: ls-l: command not found











10:52:35




#ls -l /usr/bin/who


-rwxr-xr-x 1 root root 55888 Jan 26  2013 /usr/bin/who











10:52:55




#wich mailq





l3script: wich: command not found











10:53:25




#wich maailq





l3script: wich: command not found











10:53:40




#wich mailq





l3script: wich: command not found











10:54:03




#which mailq


/usr/bin/mailq











10:54:23




#ls -l /usr/sbin/exim4


-rwsr-xr-x 1 root root 973824 Jan  2  2013 /usr/sbin/exim4











10:55:02




#ls -l /dev/cdrom1


lrwxrwxrwx 1 root root 3 Jul 16 08:39 /dev/cdrom1 -> sr0











10:57:08




#ls -l /dev/sr0


brw-rw---T 1 root cdrom 11, 0 Jul 16 08:39 /dev/sr0











10:57:42




#mkfifo /tmp/test












11:03:06




#ls -l /tmp/test


prw-r--r-- 1 root root 0 Jul 16 12:03 /tmp/test











11:03:30




#echo privet > /tmp/test





ls -l /dev/log
who
cd
netstat
^Cl3script: /tmp/test: Interrupted system call











11:10:56




#echo privet > /tmp/test












11:11:51




#netstat


Active Internet connections (w/o servers)
Proto Recv-Q Send-Q Local Address           Foreign Address         State
tcp        0      0 debian5.net.nt:ssh      192.168.15.124:49364    ESTABLISHED
tcp        0    432 debian5.net.nt:ssh      192.168.15.124:49187    ESTABLISHED
tcp        0      0 debian5.net.nt:ssh      192.168.15.124:49363    ESTABLISHED
Active UNIX domain sockets (w/o servers)
Proto RefCnt Flags       Type       State         I-Node   Path
unix  6      [ ]         DGRAM                    5065     /dev/log
unix  3      [ ]         STREAM     CONNECTED     7073
unix  3      [ ]         STREAM     CONNECTED     7072
unix  2      [ ]         DGRAM                    7071
unix  3      [ ]         STREAM     CONNECTED     6788
unix  3      [ ]         STREAM     CONNECTED     6787
unix  2      [ ]         DGRAM                    6786
unix  2      [ ]         DGRAM                    5473
unix  2      [ ]         DGRAM                    5113
unix  3      [ ]         DGRAM                    3249
unix  3      [ ]         DGRAM                    3248











11:12:09




#cd /home/ivan












11:12:38




#cd /home/petr












11:12:55




#cd -


/home/ivan











11:13:02




#cd -


/home/petr











11:13:10