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средства_программирования_shell
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средства_программирования_shell [2023/01/07 18:16] val [Web сервер на shell] |
средства_программирования_shell [2024/05/10 17:17] val [Средства программирования shell] |
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| * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | * [[http://mywiki.wooledge.org/BashFAQ|Часто задаваемые вопросы про bash (eng)]] | ||
| * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | * [[https://habrahabr.ru/post/335960/|Играючи BASH'им]] | ||
| + | * [[https://unix.stackexchange.com/questions/159513/what-are-the-shells-control-and-redirection-operators|What are the shell's control and redirection operators?]] | ||
| * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | * [[https://youtu.be/GxVmukxVUo0|Видео урок]] | ||
| Line 11: | Line 12: | ||
| ===== Проверка синтаксиса ===== | ===== Проверка синтаксиса ===== | ||
| + | |||
| + | * [[https://www.shellcheck.net/wiki/]] | ||
| + | |||
| <code> | <code> | ||
| # apt install shellcheck | # apt install shellcheck | ||
| Line 76: | Line 80: | ||
| ==== Целочисленный цикл (поиск хостов в подсети) ==== | ==== Целочисленный цикл (поиск хостов в подсети) ==== | ||
| + | |||
| + | * [[Утилита nmap#Ping диапазона адресов с verbose и debug]] | ||
| + | |||
| <code> | <code> | ||
| $ cat test_ping.sh | $ cat test_ping.sh | ||
| Line 81: | Line 88: | ||
| #!/bin/sh | #!/bin/sh | ||
| - | test -z $1 && exit 1 | + | #test -z $1 && exit 1 |
| + | #[ "$1" ] || { echo Example: ./test_ping.sh 10.5.11; exit 1; } | ||
| i=1 | i=1 | ||
| Line 87: | Line 95: | ||
| do | do | ||
| test $i = 50 && continue | test $i = 50 && continue | ||
| - | ping -c 1 -W 1 $1.$i > /dev/null 2>&1 && echo $1.$i | + | ping -c 1 -W 1 $1.$i > /dev/null 2>&1 && echo $1.$i || echo No $i |
| i=$(($i + 1)) | i=$(($i + 1)) | ||
| done | done | ||
| Line 389: | Line 397: | ||
| read request | read request | ||
| - | #echo $request >> $log | + | ##echo "$request" >> $log # for educational demonstration |
| filename="${request#GET }" | filename="${request#GET }" | ||
| Line 401: | Line 409: | ||
| do | do | ||
| read -r header | read -r header | ||
| - | # echo $header >> $log | + | ## echo "$header" >> $log # for educational demonstration |
| [ "$header" == $'\r' ] && break; | [ "$header" == $'\r' ] && break; | ||
| + | ## [ "$header" == $'' ] && break; # for STDIN/STDOUT educational demonstration | ||
| done | done | ||
| if [ -e "$filename" ] | if [ -e "$filename" ] | ||
| then | then | ||
| - | # echo `date` OK $filename >> $log | + | # echo `date` OK $filename on `hostname` >> $log |
| echo -e "HTTP/1.1 200 OK\r" | echo -e "HTTP/1.1 200 OK\r" | ||
| - | echo -e "Content-Type: $(/usr/bin/file -bi \"$filename\")\r" | + | echo -e "Content-Type: $(/usr/bin/file -bi $filename)\r" |
| echo -e "\r" | echo -e "\r" | ||
| /bin/cat "$filename" | /bin/cat "$filename" | ||
| else | else | ||
| - | # echo "$(date)" ERR $filename >> $log | + | # echo "$(date)" ERR $filename on "$(hostname)" >> "$log" |
| echo -e "HTTP/1.1 404 Not Found\r" | echo -e "HTTP/1.1 404 Not Found\r" | ||
| echo -e "Content-Type: text/html;\r" | echo -e "Content-Type: text/html;\r" | ||
| Line 457: | Line 466: | ||
| ==== Использование диалоговых окон ==== | ==== Использование диалоговых окон ==== | ||
| + | |||
| + | <code> | ||
| + | ansible-pull-gpo# cat start.sh | ||
| + | </code><code> | ||
| + | #!/bin/bash | ||
| + | |||
| + | on_off() { | ||
| + | grep -q "$1" "$2" && echo ON || echo OFF | ||
| + | } | ||
| + | |||
| + | if [ -z ${BR+x} ]; then echo -e "Variable BR (branch) is not set, specify, for example\nexport BR=master"; exit 1; fi | ||
| + | |||
| + | apt update || exit 0 | ||
| + | |||
| + | apt install dialog ansible git -y | ||
| + | |||
| + | GP_OP_FILE=/usr/local/etc/gpo_options.yml | ||
| + | GP_EX_FILE=/usr/local/bin/ansible-pull-gpo.sh | ||
| + | |||
| + | TEMP_FILE=$(mktemp -t 'XXXX') | ||
| + | |||
| + | touch "$GP_OP_FILE" | ||
| + | |||
| + | dialog --title "Configurations, Roles and Programs" --clear --nocancel\ | ||
| + | --checklist "Choose Options" 19 56 15 \ | ||
| + | CONF_RUS_INT: "Russian Interface" "$(on_off CONF_RUS_INT "$GP_OP_FILE")" \ | ||
| + | PROG_THBIRD: "Mail client Thunderbird" "$(on_off PROG_THBIRD "$GP_OP_FILE")" \ | ||
| + | ROLE_ZAB_AG: "Zabbix Agent" "$(on_off ROLE_ZAB_AG "$GP_OP_FILE")" \ | ||
| + | ROLE_OVPN1_CL: "OpenVPN Client" "$(on_off ROLE_OVPN1_CL "$GP_OP_FILE")" \ | ||
| + | 2>"$TEMP_FILE" | ||
| + | |||
| + | < "$TEMP_FILE" tr " " "\n" > "$GP_OP_FILE" | ||
| + | |||
| + | rm "$TEMP_FILE" | ||
| + | |||
| + | echo -e "\nEND:" >> "$GP_OP_FILE" | ||
| + | |||
| + | echo "/usr/bin/ansible-pull -U http://server.corpX.un/student/ansible-pull-gpo.git -C $BR -e @$GP_OP_FILE" > "$GP_EX_FILE" | ||
| + | |||
| + | chmod +x "$GP_EX_FILE" | ||
| + | |||
| + | ##exit 0 | ||
| + | |||
| + | echo -e "0 */2 * * * sleep \${RANDOM:0:2}m; $GP_EX_FILE\n@reboot sleep 3m; $GP_EX_FILE" | crontab - | ||
| + | |||
| + | "$GP_EX_FILE" | ||
| + | |||
| + | #apt upgrade -y | ||
| + | |||
| + | #reboot | ||
| + | </code> | ||
| === Использование программы whiptail (Linux) === | === Использование программы whiptail (Linux) === | ||
средства_программирования_shell.txt · Last modified: 2025/05/15 09:12 by val
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