09:19:16

#ls *sh

bash  dash  ksh  rbash  rzsh  sh  zsh

09:19:44

#ls ??sh

bash  dash  rzsh

09:19:54

#ls ?a*

bash  cat  dash  date  false  nano  tailf  tar

09:20:22

#ls [bcd]*

bash     cat    chmod  chvt  cpio  date  df   dmesg          domainname
busybox  chgrp  chown  cp    dash  dd    dir  dnsdomainname  dumpkeys

09:20:55

#ls [b-f]*

bash     chgrp  chvt  dash  df     dnsdomainname  echo   fgconsole  fuser
busybox  chmod  cp    date  dir    domainname     egrep  fgrep
cat      chown  cpio  dd    dmesg  dumpkeys       false  findmnt

09:21:26

#ls [!b-f]*

grep      lessfile  more            open      run-parts   tailf          zcat
gunzip    lesskey   mount           openvt    rzsh        tar            zcmp
gzexe     lesspipe  mountpoint      pidof     sed         tempfile       zdiff
gzip      ln        mt              ping      setfont     touch          zegrep
hostname  loadkeys  mt-gnu          ping6     setupcon    true           zfgrep
ip        login     mv              ps        sh          umount         zforce
kbd_mode  ls        nano            pwd       sh.distrib  uname          zgrep
kill      lsblk     nc              rbash     sleep       uncompress     zless
kmod      lsmod     nc.traditional  readlink  ss          unicode_start  zmore
ksh       mkdir     netcat          rm        stty        vdir           znew
less      mknod     netstat         rmdir     su          which          zsh
lessecho  mktemp    nisdomainname   rnano     sync        ypdomainname   zsh4

09:22:59

#bash man

/usr/bin/man: /usr/bin/man: не могу запустить бинарный файл

09:29:45

#man bash

09:30:27

#echo +([[:digit:]])

l3script: syntax error near unexpected token `('

09:32:02

#ls +([[:digit:]])

l3script: syntax error near unexpected token `('

09:32:19

#ls @([^a-h]|cd)

l3script: syntax error near unexpected token `('

09:33:34

#cd

09:34:49

#touch file{1,2,3,4,5}

09:35:10

#ls

file1  file2  file3  file4  file5  install  report  shadow

09:35:15

#cp /etc/profile{,/old}

cp: обращение к «/etc/profile/old»: Это не каталог

09:37:39

#cp /etc/profile{,.old}

09:37:56

#ls /etc/profile

/etc/profile

09:38:17

#ls /etc/prof*

/etc/profile  /etc/profile.old
/etc/profile.d:
bash_completion.sh

09:38:25

#cd /proc/1878

l3script: cd: /proc/1878: Нет такого файла или каталога

09:40:41

#pidof rsyslogd

09:41:01

#cd /proc/1876

09:41:11

#cd /proc/`pidof rsyslogd`

09:41:54

#cd

09:42:02

#cd /proc/`pidof rsyslogd`

09:42:04

#cd

09:42:18

#ls -l `which chsh`

-rwsr-xr-x 1 root root 41272 Май 26  2012 /usr/bin/chsh

09:42:43

#ls -l $(which chsh)

-rwsr-xr-x 1 root root 41272 Май 26  2012 /usr/bin/chsh

09:43:32

#vim privet.sh

--- /dev/null	2015-09-25 17:23:00.264000008 +0300
+++ privet.sh	2015-09-29 10:53:54.119833962 +0300
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "Privet ${1}!"

09:53:54

#bash privet.sh

Privet !

09:54:20

#privet.sh

l3script: privet.sh: команда не найдена

09:55:01

#./privet.sh

l3script: ./privet.sh: Отказано в доступе

09:55:30

#ls -l

итого 16
-rw-r--r-- 1 root root    0 Сен 29 10:35 file1
-rw-r--r-- 1 root root    0 Сен 29 10:35 file2
-rw-r--r-- 1 root root    0 Сен 29 10:35 file3
-rw-r--r-- 1 root root    0 Сен 29 10:35 file4
-rw-r--r-- 1 root root    0 Сен 29 10:35 file5
-rw-r--r-- 1 root root 5268 Окт 13  2014 install
-rw-r--r-- 1 root root   32 Сен 29 10:53 privet.sh
-rw-r--r-- 1 root root    0 Сен 28 14:25 report
-rw-r----- 1 root root 1029 Сен 28 14:23 shadow

09:55:53

#chmod u+x privet.sh

09:56:19

#ls -l

итого 16
-rw-r--r-- 1 root root    0 Сен 29 10:35 file1
-rw-r--r-- 1 root root    0 Сен 29 10:35 file2
-rw-r--r-- 1 root root    0 Сен 29 10:35 file3
-rw-r--r-- 1 root root    0 Сен 29 10:35 file4
-rw-r--r-- 1 root root    0 Сен 29 10:35 file5
-rw-r--r-- 1 root root 5268 Окт 13  2014 install
-rwxr--r-- 1 root root   32 Сен 29 10:53 privet.sh
-rw-r--r-- 1 root root    0 Сен 28 14:25 report
-rw-r----- 1 root root 1029 Сен 28 14:23 shadow

09:56:21

#ls -l --color

итого 16
-rw-r--r-- 1 root root    0 Сен 29 10:35 file1
-rw-r--r-- 1 root root    0 Сен 29 10:35 file2
-rw-r--r-- 1 root root    0 Сен 29 10:35 file3
-rw-r--r-- 1 root root    0 Сен 29 10:35 file4
-rw-r--r-- 1 root root    0 Сен 29 10:35 file5
-rw-r--r-- 1 root root 5268 Окт 13  2014 install
-rwxr--r-- 1 root root   32 Сен 29 10:53 privet.sh
-rw-r--r-- 1 root root    0 Сен 28 14:25 report
-rw-r----- 1 root root 1029 Сен 28 14:23 shadow

09:56:36

#./privet.sh

Privet !

09:56:54

#./privet.sh Evhen

Privet Evhen!

09:57:12

#bash privet.sh

Privet !

09:57:39

#vim privet.sh

--- /tmp/l3-saved-8304.31998.153	2015-09-29 10:57:45.759833961 +0300
+++ privet.sh	2015-09-29 10:58:30.555833960 +0300
@@ -1,2 +1,2 @@
 #!/bin/bash
-echo "Privet ${1}!"
+echo "Privet ${1:-Noname}!"

09:58:30

#./privet.sh Evhen

Privet Evhen!

09:58:34

#./privet.sh

Privet Noname!

09:58:41

#./privet.sh Evhen

Privet Evhen!

09:59:08

#vim privet.sh

--- /tmp/l3-saved-8304.3699.20484	2015-09-29 10:59:51.899833961 +0300
+++ privet.sh	2015-09-29 11:00:12.591833962 +0300
@@ -1,2 +1,2 @@
 #!/bin/bash
-echo "Privet ${1:-Noname}!"
+echo "Privet ${1:+Noname}!"

10:00:12

#./privet.sh Evhen

Privet Noname!

10:00:15

#./privet.sh

Privet !

10:00:18

#echo $((7+5))

10:01:04

#echo $((7+5)/(2))

l3script: command substitution: line 1: syntax error near unexpected token `/'
l3script: command substitution: line 1: `(7+5)/(2)'

10:01:24

#echo $(((7+5)/(2)))

10:01:43

#echo $[(7+5)/2]

10:02:12

#i=1

10:02:37

#echo $1

10:02:52

#echo $i

10:03:00

#i=$[$i+1]

10:03:33

#echo $i

10:03:37

#top

top - 11:05:03 up 3 days, 17:42,  4 users,  load average: 1,01, 1,04, 1,05
Tasks:  64 total,   2 running,  62 sleeping,   0 stopped,   0 zombie
%Cpu(s):  0,0 us,  0,0 sy, 51,8 ni,  0,0 id,  0,0 wa,  0,0 hi,  0,0 si, 48,2 st
KiB Mem:    507368 total,   321512 used,   185856 free,    90228 buffers
KiB Swap:        0 total,        0 used,        0 free,   118112 cached
  PID USER      PR  NI  VIRT  RES  SHR S  %CPU %MEM    TIME+  COMMAND
 5338 root      39  19 20628 6388  860 R  99,9  1,3   1225:35 john
 4120 root      20   0     0    0    0 S   0,3  0,0   0:05.19 kworker/0:0
    1 root      20   0 10648  828  696 S   0,0  0,2   0:05.25 init
    1 root      20   0 10648  828  696 S   0,0  0,2   0:05.25 init
...
  134 root      20   0     0    0    0 S   0,0  0,0   0:09.58 jbd2/xvda1-8
  135 root       0 -20     0    0    0 S   0,0  0,0   0:00.00 ext4-dio-unwrit
  278 root      20   0 21248 1228  784 S   0,0  0,2   0:00.04 udevd
  395 root       0 -20     0    0    0 S   0,0  0,0   0:00.00 kpsmoused
 1876 root      20   0 52772 1640 1204 S   0,0  0,3   0:00.05 rsyslogd
 1906 root      20   0  4116  652  512 S   0,0  0,1   0:00.00 acpid
 1948 root      20   0 22520 1068  824 S   0,0  0,2   0:01.79 cron
 2225 Debian-e  20   0 46808 1040  584 S   0,0  0,2   0:00.09 exim4
 2254 root      20   0 49932 1248  640 S   0,0  0,2   0:00.01 sshd
 2278 root      20   0 18368  972  812 S   0,0  0,2   0:00.03 getty

10:05:20

#ps ax

  PID TTY      STAT   TIME COMMAND
    1 ?        Ss     0:05 init [2]
    2 ?        S      0:00 [kthreadd]
    3 ?        S      0:00 [ksoftirqd/0]
    5 ?        S      0:00 [kworker/u:0]
    6 ?        S      0:00 [migration/0]
    7 ?        S      0:02 [watchdog/0]
    8 ?        S<     0:00 [cpuset]
    9 ?        S<     0:00 [khelper]
   10 ?        S      0:00 [kdevtmpfs]
...
 8409 ?        Ss     0:00 sshd: petr [priv]
 8411 ?        S      0:00 sshd: petr@pts/4
 8412 pts/4    Ss+    0:00 -bash
 8493 ?        Ss     0:00 sshd: user [priv]
 8495 ?        S      0:00 sshd: user@pts/5
 8496 pts/5    Ss     0:00 -bash
 8541 pts/5    S+     0:00 script -f -c l3script -q /home/user/.lilalo//50581307
 8612 pts/5    S+     0:00 script -f -c l3script -q /home/user/.lilalo//50581307
 8613 pts/6    Ss+    0:00 l3script
 9375 pts/2    R+     0:00 ps ax

10:05:42

#ps ax | wc -l

10:06:04

#echo $[$(ps ax | wc -l)-4]

10:07:32

#p=$[$(ps ax | wc -l)-4]

10:10:02

#echo $p

10:10:09

#who

root     pts/0        2015-09-29 09:36 (192.168.16.101)
ivan     pts/3        2015-09-29 09:37 (192.168.16.101)
petr     pts/4        2015-09-29 09:39 (192.168.16.101)
user     pts/5        2015-09-29 09:40 (192.168.16.101)

10:11:07

#cat report

10:13:51

#cat

q       wertyuio
q       wertyuio

10:14:49

#echo $/

$/

10:15:29

#echo $?

10:15:34

#cat

qwer
qwer

10:15:45

#echo $?

10:15:47

#jobs

10:15:56

#cat &

[1] 9479
[1]+  Stopped                 cat

10:16:11

#jobs

[1]+  Stopped                 cat

10:16:16

#jobs -l

[1]+  9479 Остановлено (ввод с терминала)                               cat

10:16:21

#cd /proc/9479/fd

10:16:53

#ls -l

итого 0
lrwx------ 1 root root 64 Сен 29 11:17 0 -> /dev/pts/2
lrwx------ 1 root root 64 Сен 29 11:17 1 -> /dev/pts/2
lrwx------ 1 root root 64 Сен 29 11:17 2 -> /dev/pts/2

10:17:01

#tty

/dev/pts/0

10:17:10

#pstree --color

pstree: Ð½ÐµÐ¸Ð·Ð²ÐµÑÑÐ½ÑÐ¹ ÐºÐ»ÑÑ Â«--colorÂ»
ÐÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°Ð½Ð¸Ðµ: pstree [ -a ] [ -c ] [ -h | -H PID ] [ -l ] [ -n ] [ -p ]
              [ -g ] [ -u ] [ -A | -G | -U ] [ PID | ÐÐÐ
tree -V
ÐÐ¾ÐºÐ°Ð·ÑÐ²Ð°ÐµÑ Ð´ÐµÑÐµÐ²Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð².
  -a, --arguments     Ð¿Ð¾ÐºÐ°Ð·ÑÐ²Ð°ÑÑ Ð°ÑÐ³ÑÐ¼ÐµÐ½ÑÑ ÐºÐ¾Ð¼Ð°Ð½Ð´Ð½Ð¾Ð¹ ÑÑÑÐ¾ÐºÐ¸
  -A, --ascii         Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÑ ASCII-ÑÐ¸Ð¼Ð²Ð¾Ð»Ñ Ð´Ð»Ñ ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð»Ð¸Ð½Ð¸Ð¹
  -c, --compact       Ð½Ðµ ÑÐ¶Ð¸Ð¼Ð°ÑÑ Ð¾Ð´Ð¸Ð½Ð°ÐºÐ¾Ð²ÑÐµ Ð¿Ð¾Ð´Ð´ÐµÑÐµÐ²ÑÑ
  -h, --highlight-all Ð²ÑÐ´ÐµÐ»ÑÑÑ ÑÐ²ÐµÑÐ¾Ð¼ ÑÐµÐºÑÑÐ¸Ð¹ Ð¿ÑÐ¾ÑÐµÑÑ Ð¸ ÐµÐ³Ð¾ Ð¿ÑÐµÐ´ÐºÐ¾Ð²
  -H PID,
...
                      Ð²ÐºÐ»ÑÑÐ°ÐµÑ -c
  -G, --vt100         Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÑ ÑÐ¸Ð¼Ð²Ð¾Ð»Ñ ÑÐµÑÐ¼Ð¸Ð½Ð°Ð»Ð° VT100 Ð´Ð»Ñ ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð»Ð¸Ð½Ð¸Ð¹
  -l, --long          Ð½Ðµ Ð¾Ð±ÑÐµÐ·Ð°ÑÑ Ð´Ð»Ð¸Ð½Ð½ÑÐµ ÑÑÑÐ¾ÐºÐ¸
  -n, --numeric-sort  ÑÐ¾ÑÑÐ¸ÑÐ¾Ð²Ð°ÑÑ Ð²ÑÐ²Ð¾Ð´ Ð¿Ð¾ PID
  -p, --show-pids     Ð¿Ð¾ÐºÐ°Ð·ÑÐ²Ð°ÑÑ Ð¸Ð´ÐµÐ½ÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¾ÑÑ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² (PID); Ð²ÐºÐ»ÑÑÐ°ÐµÑ -c
  -u, --uid-changes   Ð¿Ð¾ÐºÐ°Ð·ÑÐ²Ð°ÑÑ Ð¿ÐµÑÐµÑÐ¾Ð´Ñ Ð¸Ð´ÐµÐ½ÑÐ¸ÑÐ¸ÐºÐ°ÑÐ¾ÑÐ¾Ð² Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÐµÐ»ÐµÐ¹
  -U, --unicode       Ð¸ÑÐ¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÑ ÑÐ¸Ð¼Ð²Ð¾Ð»Ñ UTF-8 (ÑÐ½Ð¸ÐºÐ¾Ð´) Ð´Ð»Ñ ÑÐ¸ÑÐ¾Ð²Ð°Ð½Ð¸Ñ Ð»Ð¸Ð½Ð¸Ð¹
  -V, --version       Ð¿Ð¾ÐºÐ°Ð·Ð°ÑÑ Ð¸Ð½ÑÐ¾ÑÐ¼Ð°ÑÐ¸Ñ Ð¾ Ð²ÐµÑÑÐ¸Ð¸
  PID                 Ð½Ð°ÑÐ¸Ð½Ð°ÑÑ Ð¾Ñ ÑÐºÐ°Ð·Ð°Ð½Ð½Ð¾Ð³Ð¾ PID; Ð¿Ð¾ ÑÐ¼Ð¾Ð»ÑÐ°Ð½Ð¸Ñ 1 (init)
  ÐÐÐ²Ð¾ Ð¿ÑÐ¾ÑÐµÑÑÐ¾Ð² ÑÐºÐ°Ð·Ð°Ð½Ð½Ð¾Ð³Ð¾ Ð¿Ð¾Ð»ÑÐ·Ð¾Ð²Ð°ÑÐµÐ»Ñ

10:17:47

#pstree

init─┬─acpid
     ├─cron
     ├─exim4
     ├─6*[getty]
     ├─john
     ├─2*[l3-agent]
     ├─rsyslogd───3*[{rsyslogd}]
     ├─sshd─┬─sshd───bash───script───script───l3script─┬─cat
     │      │                                          └─pstree
     │      ├─2*[sshd───sshd───bash]
     │      └─sshd───sshd───bash───script───script───l3script
     └─udevd

10:17:52

#pstree -p

init(1)─┬─acpid(1906)
        ├─cron(1948)
        ├─exim4(2225)
        ├─getty(2278)
        ├─getty(2279)
        ├─getty(2280)
        ├─getty(2281)
        ├─getty(2282)
        ├─getty(2283)
        ├─john(5338)
        ├─l3-agent(3372)
        ├─l3-agent(5436)
        ├─rsyslogd(1876)─┬─{rsyslogd}(1877)
        │                ├─{rsyslogd}(1879)
        │                └─{rsyslogd}(1880)
        ├─sshd(2254)─┬─sshd(8225)───bash(8227)───script(8272)───script(8303)───+
        │            ├─sshd(8325)───sshd(8327)───bash(8328)
        │            ├─sshd(8409)───sshd(8411)───bash(8412)
        │            └─sshd(8493)───sshd(8495)───bash(8496)───script(8541)───sc+
        └─udevd(278)

10:17:57

#ls -l

итого 0
lrwx------ 1 root root 64 Сен 29 11:17 0 -> /dev/pts/2
lrwx------ 1 root root 64 Сен 29 11:17 1 -> /dev/pts/2
lrwx------ 1 root root 64 Сен 29 11:17 2 -> /dev/pts/2

10:18:31

#cd

10:18:59

#find / -user ivan -type f

/tmp/users
/home/ivan/.bashrc
/home/ivan/.bash_history
/home/ivan/d4/d3/d1/f1
/home/ivan/d4/d3/d1/users
/home/ivan/.profile
/home/ivan/.viminfo
/home/ivan/.bash_logout
/proc/8328/task/8328/fdinfo/0
/proc/8328/task/8328/fdinfo/1
...
/proc/8328/oom_adj
/proc/8328/oom_score_adj
/proc/8328/loginuid
/proc/8328/sessionid
/proc/8328/coredump_filter
/proc/8328/io
find: `/proc/9565/task/9565/fd/5': Нет такого файла или каталога
find: `/proc/9565/task/9565/fdinfo/5': Нет такого файла или каталога
find: `/proc/9565/fd/5': Нет такого файла или каталога
find: `/proc/9565/fdinfo/5': Нет такого файла или каталога

10:19:48

#find / -user ivan -type f 2> errors

/tmp/users
/home/ivan/.bashrc
/home/ivan/.bash_history
/home/ivan/d4/d3/d1/f1
/home/ivan/d4/d3/d1/users
/home/ivan/.profile
/home/ivan/.viminfo
/home/ivan/.bash_logout
/proc/8328/task/8328/fdinfo/0
/proc/8328/task/8328/fdinfo/1
...
/proc/8328/stack
/proc/8328/cpuset
/proc/8328/cgroup
/proc/8328/oom_score
/proc/8328/oom_adj
/proc/8328/oom_score_adj
/proc/8328/loginuid
/proc/8328/sessionid
/proc/8328/coredump_filter
/proc/8328/io

10:20:38

#ls

errors  file1  file2  file3  file4  file5  install  privet.sh  report  shadow

10:20:52

#cat errors

find: `/proc/9573/task/9573/fd/5': Нет такого файла или каталога
find: `/proc/9573/task/9573/fdinfo/5': Нет такого файла или каталога
find: `/proc/9573/fd/5': Нет такого файла или каталога
find: `/proc/9573/fdinfo/5': Нет такого файла или каталога

10:21:02

#find / -user ivan -type f 2> errors 1> files

10:21:32

#find / -user ivan -type f &> all

10:22:04

#mail ivan

Subject: hello
Privet Ivan
.
EOT

10:23:08

#mail -s report ivan < all

10:25:41

#ls

all     file1  file3  file5  install    report
errors  file2  file4  files  privet.sh  shadow

10:27:11

#shopt

autocd          off
cdable_vars     off
cdspell         off
checkhash       off
checkjobs       off
checkwinsize    on
cmdhist         on
compat31        off
compat32        off
compat40        off
...
no_empty_cmd_completion off
nocaseglob      off
nocasematch     off
nullglob        off
progcomp        on
promptvars      on
restricted_shell        off
shift_verbose   off
sourcepath      on
xpg_echo        off

10:27:25

#set -o

allexport       off
braceexpand     on
emacs           on
errexit         off
errtrace        off
functrace       off
hashall         on
histexpand      on
history         on
ignoreeof       off
...
notify          off
nounset         off
onecmd          off
physical        off
pipefail        off
posix           off
privileged      off
verbose         off
vi              off
xtrace          off

10:27:32

#set -o noclobber

10:28:19

#set -o

allexport       off
braceexpand     on
emacs           on
errexit         off
errtrace        off
functrace       off
hashall         on
histexpand      on
history         on
ignoreeof       off
...
notify          off
nounset         off
onecmd          off
physical        off
pipefail        off
posix           off
privileged      off
verbose         off
vi              off
xtrace          off

10:29:47

Журнал лабораторных работ

Журнал

Вторник (09/29/15)