Linux – ページ 7 – 水色（仮）

2018年7月30日2018年8月9日

Virus Protection Comodo Antivirus for Linux, Ubuntu 16.04.5 LTS, 30 July 2018

https://www.comodo.com/home/internet-security/antivirus-for-linux.php#

sudo dpkg -i cav-linux_x64.deb

1	sudo dpkg -i cav-linux_x64.deb

インストール失敗
cav-linux : 依存: libssl0.9.8 (>= 0.9.8m-1)

sudo dpkg --force-depends -i cav-linux_x64.deb 
sudo /opt/COMODO/post_setup.sh

1 2	sudo dpkg --force-depends -i cav-linux_x64.deb sudo /opt/COMODO/post_setup.sh

However, system said “run apt-get install -f” …

2018年7月29日2018年7月28日

Socket sync communication test between PHP7 and Python3

#!/usr/bin/python3
# -*- coding:utf-8 -*-

import socket, select, json

TOKEN = '1234567'
HOST = '127.0.0.1'
PORT = 50009
SOCKET_TIMEOUT = 3  # seconds
BACKLOG = 10
BUFSIZE = 4096

# See: http://memo.saitodev.com/home/python_network_programing/
def initSocket():
    server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
    readfds = set([server_sock])
    try:
        server_sock.bind((HOST, PORT))
        server_sock.listen(BACKLOG)

        while True:
            rready, wready, xready = select.select(readfds, [], [])
            for sock in rready:
                if sock is server_sock:
                    # fd = sock.fileno()
                    # print("fd: %d" % fd)
                    sock.settimeout(SOCKET_TIMEOUT)
                    conn, address = server_sock.accept()
                    readfds.add(conn)
                else:
                    buffer = sock.recv(BUFSIZE)
                    if len(buffer) == 0:
                        sock.close()
                        readfds.remove(sock)
                    else:
                        ret = getSendValue(command(buffer))
                        sock.send(ret)
                        #
                        sock.close()
                        readfds.remove(sock)
    except Exception as e:
        print("Exception: " + str(e))
    finally:
        for sock in readfds:
            sock.close()
        server_sock.close()

# @param buffer receive buffer data
# @return dict
def command(buffer):
    try:
        data = getReceiveValue(buffer)
        print("Receive: ", data)

        if 'token' not in data or data['token'] != TOKEN:
            msg = "token error."
            print(msg)
            return {"message": msg}
        if 'command' not in data:
            msg = "Receive message is failed, key 'command' not found."
            print(msg)
            return {"message": msg}
        cmd = data['command']
        return {"Receive command": cmd}
    except Exception as e:
        return {"exception": str(e)}

def getReceiveValue(buffer):
    return json.JSONDecoder().decode(buffer.decode('utf-8').strip())

def getSendValue(value):
    if not (isinstance(value, list) or isinstance(value, dict) or isinstance(value, tuple)):
        value = {value}
    return bytes(json.JSONEncoder().encode(value), 'utf-8')

def main():
    print("Backend start")
    while True:
        initSocket()
    print("Escape main loop...")

if __name__ == '__main__':
    main()

#!/usr/bin/python3

# -*- coding:utf-8 -*-

import socket, select, json

TOKEN = '1234567'

HOST = '127.0.0.1'

PORT = 50009

SOCKET_TIMEOUT = 3 # seconds

BACKLOG = 10

BUFSIZE = 4096

# See: http://memo.saitodev.com/home/python_network_programing/

def initSocket():

server_sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

server_sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)

readfds = set([server_sock])

try:

server_sock.bind((HOST, PORT))

server_sock.listen(BACKLOG)

while True:

rready, wready, xready = select.select(readfds, [], [])

for sock in rready:

if sock is server_sock:

# fd = sock.fileno()

# print("fd: %d" % fd)

sock.settimeout(SOCKET_TIMEOUT)

conn, address = server_sock.accept()

readfds.add(conn)

else:

buffer = sock.recv(BUFSIZE)

if len(buffer) == 0:

sock.close()

readfds.remove(sock)

else:

ret = getSendValue(command(buffer))

sock.send(ret)

sock.close()

readfds.remove(sock)

except Exception as e:

print("Exception: " + str(e))

finally:

for sock in readfds:

sock.close()

server_sock.close()

# @param buffer receive buffer data

# @return dict

def command(buffer):

try:

data = getReceiveValue(buffer)

print("Receive: ", data)

if 'token' not in data or data['token'] != TOKEN:

msg = "token error."

print(msg)

return {"message": msg}

if 'command' not in data:

msg = "Receive message is failed, key 'command' not found."

print(msg)

return {"message": msg}

cmd = data['command']

return {"Receive command": cmd}

except Exception as e:

return {"exception": str(e)}

def getReceiveValue(buffer):

return json.JSONDecoder().decode(buffer.decode('utf-8').strip())

def getSendValue(value):

if not (isinstance(value, list) or isinstance(value, dict) or isinstance(value, tuple)):

value = {value}

return bytes(json.JSONEncoder().encode(value), 'utf-8')

def main():

print("Backend start")

while True:

initSocket()

print("Escape main loop...")

if __name__ == '__main__':

main()

<?php

$sendMessage = array(
    'cmd' => 'commandA',
);
$result = commBackend($sendMessage);
print_r($result);

function commBackend($sendMessage) {

    $sendMessage['token'] = '1234567';

    $address = '127.0.0.1';
    $service_port = 50009;
    $timeout_sec = 3;   // sec
    $timeout = time() + $timeout_sec;

    try {
        $fp = fsockopen($address, $service_port);
        if (!$fp) {
            throw new Exception('Cannot communicate Backend.');
        }
        // non blocking, need to timeout.
        stream_set_blocking($fp ,0);
        stream_set_timeout($fp, $timeout_sec);

        fwrite($fp, json_encode($sendMessage));

        $contents = '';
        do {
            if ($timeout - time() <= 0) {
                $timeout = -1;
                break;
            }
            // echo '.';
            $contents .= fread($fp, 8192);
        } while (!feof($fp));

        $info = stream_get_meta_data($fp);
        // print_r($info);
        fclose($fp);

        if ($info['timed_out'] || $timeout === -1) {
            throw new Exception('Communication with the backend timed out.');
        }

        // echo $contents;
        $res = json_decode($contents);    // json string to object
        // print_r($res);
        return $res;

    } catch (Exception $e) {
        echo $e->getMessage();
        throw new Exception($e->getMessage());
    }
}

<?php

$sendMessage = array(

'cmd' => 'commandA',

);

$result = commBackend($sendMessage);

print_r($result);

function commBackend($sendMessage) {

$sendMessage['token'] = '1234567';

$address = '127.0.0.1';

$service_port = 50009;

$timeout_sec = 3; // sec

$timeout = time() + $timeout_sec;

try {

$fp = fsockopen($address, $service_port);

if (!$fp) {

throw new Exception('Cannot communicate Backend.');

}

// non blocking, need to timeout.

stream_set_blocking($fp ,0);

stream_set_timeout($fp, $timeout_sec);

fwrite($fp, json_encode($sendMessage));

$contents = '';

do {

if ($timeout - time() <= 0) {

$timeout = -1;

break;

}

// echo '.';

$contents .= fread($fp, 8192);

} while (!feof($fp));

$info = stream_get_meta_data($fp);

// print_r($info);

fclose($fp);

if ($info['timed_out'] || $timeout === -1) {

throw new Exception('Communication with the backend timed out.');

}

// echo $contents;

$res = json_decode($contents); // json string to object

// print_r($res);

return $res;

} catch (Exception $e) {

echo $e->getMessage();

throw new Exception($e->getMessage());

}

2018年7月28日2018年7月28日

Execute command with PHP and read/write STDOUT, STDERR and STDIN; tested PHP7 and PHP5

<?php
// Execute command with PHP and read/write STDOUT, STDERR and STDIN

$cmd = array(
    'cwd' => '/home/user/Desktop',
    'cmd' => '/home/user/Desktop/test.sh arg1 arg2 arg3',
    // 実行するコマンドのための環境変数の配列。 現在の PHP プロセスと同じ環境変数を使用する場合は NULL を指定します。
    'env' => NULL,
    'stdout' => '',
    'stderr' => '',
    'stdin' => array(
        '[\r\n]ABC[\r\n]' => "Yes\n",
        '[\r\n]DEF[\r\n]' => "No\n",
    ),
);
try {
    $result = exec_cmd($cmd);
    print_r($result);
} catch (Exception $e) {
    echo $e->getMessage();
}

/**
 * See: http://php.net/manual/ja/function.proc-open.php
 *      https://stackoverflow.com/questions/16351302/reading-from-stdin-pipe-when-using-proc-open
 *      http://ishijima.blog97.fc2.com/blog-entry-68.html
 */
function exec_cmd($cmd, $timeout_sec = 3) {
    $timeout = time() + $timeout_sec;  // sec

    $descriptorspec = array(
        0 => array("pipe", "r"),    // stdin   read by child process
        1 => array('pipe', 'w'),    // stdout write by child process
        2 => array('pipe', 'w')     // stderr write by child process
    );

    $pipes = NULL;
    $proc = proc_open($cmd['cmd'], $descriptorspec, $pipes, $cmd['cwd'], $cmd['env']);
    if (!is_resource($proc)) {
        return false;
    }
    // print_r($pipes);

    // non blocking, need to timeout.
    stream_set_blocking($pipes[0] ,0);
    stream_set_blocking($pipes[1] ,0);
    stream_set_blocking($pipes[2] ,0);

    $stdin_key = key($cmd['stdin']);
    $stdin_val = array_shift($cmd['stdin']);
    $match_string = '';

    $close = function($proc, $pipes) {
        foreach ($pipes as &$pipe) {
            if ($pipe) {
                fclose($pipe);
            }
        }
        unset($pipes);
        return proc_close($proc);
    };

    // now, poll for child termination
    while (true) {
        // echo 'while ';

        // detect if the child has terminated - the php way
        $status = proc_get_status($proc);
        // check return value
        if ($status === FALSE) {
            $close($proc, $pipes);
            throw new Exception ("Failed to obtain status information for ".$status['pid']);
        }
        if ($timeout - time() <= 0) {
            $close($proc, $pipes);
            throw new Exception ("Timeout ".$status['pid']);
        }
        if ($status['running'] === FALSE) {
            $cmd['exitcode'] = $status['exitcode'];

            $cmd['proc_close'] = $close($proc, $pipes);

            // print_r($cmd);
            return $cmd;
        }

        // read from child stdout and stderr
        // avoid *forever* blocking through using a time out (50000usec)
        foreach (array(1, 2) as $desc) {
            // echo 'foreach ';

            // check stdout for data
            $read = array($pipes[$desc]);
            $write = NULL;
            $except = NULL;
            $tv = 0;
            $utv = 50000;   // microsecond

            $n = stream_select($read, $write, $except, $tv, $utv);
            if ($n == 0) {
                continue;
            }

            do {
                // echo 'do ';

                $data = fread($pipes[$desc], 8092);
                // fwrite(STDOUT, $data);

                if ($desc == 1) {
                    $cmd['stdout'] .= $data;
                    $match_string .= $data;
                } else {
                    $cmd['stderr'] .= $data;
                }

                if ($stdin_key) {
                    if (preg_match('/('.$stdin_key.')(.*)$/', $match_string, $matches)) {
                        // echo '-- matches --';
                        // print_r($matches);
                        $match_string = $matches[count($matches) - 1];  // Behind the matched part
                        fwrite($pipes[0], $stdin_val);
                        $stdin_key = key($cmd['stdin']);
                        $stdin_val = array_shift($cmd['stdin']);
                    }
                }

            } while (strlen($data) > 0);
        } // foreach stdout and stderr
    }
}

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

<?php

// Execute command with PHP and read/write STDOUT, STDERR and STDIN

$cmd = array(

'cwd' => '/home/user/Desktop',

'cmd' => '/home/user/Desktop/test.sh arg1 arg2 arg3',

// 実行するコマンドのための環境変数の配列。現在の PHP プロセスと同じ環境変数を使用する場合は NULL を指定します。

'env' => NULL,

'stdout' => '',

'stderr' => '',

'stdin' => array(

'[\r\n]ABC[\r\n]' => "Yes\n",

'[\r\n]DEF[\r\n]' => "No\n",

);

try {

$result = exec_cmd($cmd);

print_r($result);

} catch (Exception $e) {

echo $e->getMessage();

}

/**

* See: http://php.net/manual/ja/function.proc-open.php

* https://stackoverflow.com/questions/16351302/reading-from-stdin-pipe-when-using-proc-open

* http://ishijima.blog97.fc2.com/blog-entry-68.html

function exec_cmd($cmd, $timeout_sec = 3) {

$timeout = time() + $timeout_sec; // sec

$descriptorspec = array(

0 => array("pipe", "r"), // stdin read by child process

1 => array('pipe', 'w'), // stdout write by child process

2 => array('pipe', 'w') // stderr write by child process

);

$pipes = NULL;

$proc = proc_open($cmd['cmd'], $descriptorspec, $pipes, $cmd['cwd'], $cmd['env']);

if (!is_resource($proc)) {

return false;

}

// print_r($pipes);

// non blocking, need to timeout.

stream_set_blocking($pipes[0] ,0);

stream_set_blocking($pipes[1] ,0);

stream_set_blocking($pipes[2] ,0);

$stdin_key = key($cmd['stdin']);

$stdin_val = array_shift($cmd['stdin']);

$match_string = '';

$close = function($proc, $pipes) {

foreach ($pipes as &$pipe) {

if ($pipe) {

fclose($pipe);

}

unset($pipes);

return proc_close($proc);

};

// now, poll for child termination

while (true) {

// echo 'while ';

// detect if the child has terminated - the php way

$status = proc_get_status($proc);

// check return value

if ($status === FALSE) {

$close($proc, $pipes);

throw new Exception ("Failed to obtain status information for ".$status['pid']);

}

if ($timeout - time() <= 0) {

$close($proc, $pipes);

throw new Exception ("Timeout ".$status['pid']);

}

if ($status['running'] === FALSE) {

$cmd['exitcode'] = $status['exitcode'];

$cmd['proc_close'] = $close($proc, $pipes);

// print_r($cmd);

return $cmd;

}

// read from child stdout and stderr

// avoid *forever* blocking through using a time out (50000usec)

foreach (array(1, 2) as $desc) {

// echo 'foreach ';

// check stdout for data

$read = array($pipes[$desc]);

$write = NULL;

$except = NULL;

$tv = 0;

$utv = 50000; // microsecond

$n = stream_select($read, $write, $except, $tv, $utv);

if ($n == 0) {

continue;

}

do {

// echo 'do ';

$data = fread($pipes[$desc], 8092);

// fwrite(STDOUT, $data);

if ($desc == 1) {

$cmd['stdout'] .= $data;

$match_string .= $data;

} else {

$cmd['stderr'] .= $data;

}

if ($stdin_key) {

if (preg_match('/('.$stdin_key.')(.*)$/', $match_string, $matches)) {

// echo '-- matches --';

// print_r($matches);

$match_string = $matches[count($matches) - 1]; // Behind the matched part

fwrite($pipes[0], $stdin_val);

$stdin_key = key($cmd['stdin']);

$stdin_val = array_shift($cmd['stdin']);

}

} while (strlen($data) > 0);

} // foreach stdout and stderr

}

#!/bin/sh
# test.sh

pwd

echo $*

echo '123,'
echo 'error-123,' >&2

echo '456,'
echo 'error-456,' >&2

echo 'ABC'
read -p "fool? (y/N): " yn
echo $yn

echo '789,'
echo 'error-789,' >&2

echo 'DEF'
read -p "cool? (y/N): " yn
echo $yn

echo '101112,'
echo 'error-101112,' >&2

#!/bin/sh

# test.sh

pwd

echo $*

echo '123,'

echo 'error-123,' >&2

echo '456,'

echo 'error-456,' >&2

echo 'ABC'

read -p "fool? (y/N): " yn

echo $yn

echo '789,'

echo 'error-789,' >&2

echo 'DEF'

read -p "cool? (y/N): " yn

echo $yn

echo '101112,'

echo 'error-101112,' >&2

Use subprocess and pamtester to check if username and password match. / subprocess と pamtester を使用してユーザー名とパスワードが合致するか調べるメモ

2018年6月20日

PHP5 が必要になった為 VirtualBOX にインストールした時のメモ / Install on VirtualBOX because PHP5 is needed

Download from:
https://cdimage.debian.org/cdimage/archive/8.10.0/amd64/iso-dvd/

# apt install proftpd   (failed)
# apt install mysql-server
# apt install mysql-client
# apt install pear-php
# apt install php-pear
# ls
# apt install phpmyadmin
# cd /etc/apache2/mods-enabled
# ln -s ../mods-available/userdir.conf .
# ln -s ../mods-available/userdir.load .
# ln -s ../mods-available/rewrite.load .
#
# ln -s ../mods-available/deflate.* .
# ln -s ../mods-available/expires.load .
# ln -s ../mods-available/headers.load .
# ln -s ../mods-available/cgi* .
# ln -s ../mods-available/rewrite.load .
# vi /etc/apache2/apache2.conf
# vi /etc/apache2/mods-available/mime.conf
# vi /etc/apache2/mods-available/php5.conf
# vi /etc/apache2/mods-available/userdir.conf
# vi /etc/php5/apache2/php.ini
# ps ax
# apt install samba
# apt install fetchmail
# apt install imagemagick
# apt install screen
# apt install fdclone   (failed)
# apt install nkf
# apt install ncftp (failed)
# apt install postfix
# apt install dovecot-imapd
# apt install dovecot-imapd
# apt install dovecot-managesieved aspell dovecot-sieve
# apt install dovecot-pop3d
# apt install rsync
# apt install lsyncd    (failed)
# pear
# pear install Mail_Mime Net_SMTP Net_Sieve
# cd /etc/skel
# mkdir 'Maildir'
# mkdir 'Maildir/.&j,dg0TDhMPww6w-'
# mkdir 'Maildir/.&j,dg0TDhMPww6w-/cur'
# mkdir 'Maildir/.&j,dg0TDhMPww6w-/new'
# mkdir 'Maildir/.&j,dg0TDhMPww6w-/tmp'
# mkdir 'Maildir/.&MFQwf3ux-'
# mkdir 'Maildir/.&MFQwf3ux-/cur'
# mkdir 'Maildir/.&MFQwf3ux-/new'
# mkdir 'Maildir/.&MFQwf3ux-/tmp'
# mkdir 'Maildir/cur'
# mkdir 'Maildir/.&kAFP4W4IMH8-'
# mkdir 'Maildir/.&kAFP4W4IMH8-/cur'
# mkdir 'Maildir/.&kAFP4W4IMH8-/new'
# mkdir 'Maildir/.&kAFP4W4IMH8-/tmp'
# mkdir 'Maildir/new'
# mkdir 'Maildir/.&Tgtm+DBN-'
# mkdir 'Maildir/.&Tgtm+DBN-/cur'
# mkdir 'Maildir/.&Tgtm+DBN-/new'
# mkdir 'Maildir/.&Tgtm+DBN-/tmp'
# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-'
# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/cur'
# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/new'
# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/tmp'
# mkdir 'Maildir/tmp'
# chmod -R 700 Maildir
# ll
# ls -la
# reboot
# cd /etc/samba/
# ls
# cp smb.conf smb.conf.180523
# vi smb.conf
# /etc/init.d/samba restart
# smbpasswd -a USERNAME
# apt-get install php5-common libapache2-mod-php5 php5-cli
# apt-get install php5-mysql php5-curl
# history
# cd ~USERNAME
# ls
# mkdir data
# cd data/
# apt install emacs24
# history >180523.txt

Download from:

https://cdimage.debian.org/cdimage/archive/8.10.0/amd64/iso-dvd/

# apt install proftpd (failed)

# apt install mysql-server

# apt install mysql-client

# apt install pear-php

# apt install php-pear

# ls

# apt install phpmyadmin

# cd /etc/apache2/mods-enabled

# ln -s ../mods-available/userdir.conf .

# ln -s ../mods-available/userdir.load .

# ln -s ../mods-available/rewrite.load .

# ln -s ../mods-available/deflate.* .

# ln -s ../mods-available/expires.load .

# ln -s ../mods-available/headers.load .

# ln -s ../mods-available/cgi* .

# ln -s ../mods-available/rewrite.load .

# vi /etc/apache2/apache2.conf

# vi /etc/apache2/mods-available/mime.conf

# vi /etc/apache2/mods-available/php5.conf

# vi /etc/apache2/mods-available/userdir.conf

# vi /etc/php5/apache2/php.ini

# ps ax

# apt install samba

# apt install fetchmail

# apt install imagemagick

# apt install screen

# apt install fdclone (failed)

# apt install nkf

# apt install ncftp (failed)

# apt install postfix

# apt install dovecot-imapd

# apt install dovecot-managesieved aspell dovecot-sieve

# apt install dovecot-pop3d

# apt install rsync

# apt install lsyncd (failed)

# pear

# pear install Mail_Mime Net_SMTP Net_Sieve

# cd /etc/skel

# mkdir 'Maildir'

# mkdir 'Maildir/.&j,dg0TDhMPww6w-'

# mkdir 'Maildir/.&j,dg0TDhMPww6w-/cur'

# mkdir 'Maildir/.&j,dg0TDhMPww6w-/new'

# mkdir 'Maildir/.&j,dg0TDhMPww6w-/tmp'

# mkdir 'Maildir/.&MFQwf3ux-'

# mkdir 'Maildir/.&MFQwf3ux-/cur'

# mkdir 'Maildir/.&MFQwf3ux-/new'

# mkdir 'Maildir/.&MFQwf3ux-/tmp'

# mkdir 'Maildir/cur'

# mkdir 'Maildir/.&kAFP4W4IMH8-'

# mkdir 'Maildir/.&kAFP4W4IMH8-/cur'

# mkdir 'Maildir/.&kAFP4W4IMH8-/new'

# mkdir 'Maildir/.&kAFP4W4IMH8-/tmp'

# mkdir 'Maildir/new'

# mkdir 'Maildir/.&Tgtm+DBN-'

# mkdir 'Maildir/.&Tgtm+DBN-/cur'

# mkdir 'Maildir/.&Tgtm+DBN-/new'

# mkdir 'Maildir/.&Tgtm+DBN-/tmp'

# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-'

# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/cur'

# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/new'

# mkdir 'Maildir/.&TuVSTTBuMOEw,DDr-/tmp'

# mkdir 'Maildir/tmp'

# chmod -R 700 Maildir

# ll

# ls -la

# reboot

# cd /etc/samba/

# ls

# cp smb.conf smb.conf.180523

# vi smb.conf

# /etc/init.d/samba restart

# smbpasswd -a USERNAME

# apt-get install php5-common libapache2-mod-php5 php5-cli

# apt-get install php5-mysql php5-curl

# history

# cd ~USERNAME

# ls

# mkdir data

# cd data/

# apt install emacs24

# history >180523.txt

https://memo.silverpigeon.jp/roundcube-webmail-server-install-memo-23-nov-2017/

2018年5月16日2018年5月16日

lsyncd でサーバー間ファイル同期してみるメモ / synchronize files between servers with lsyncd

see: https://memo.silverpigeon.jp/roundcube-webmail-server-install-memo-23-nov-2017/

from server A (rcadmin@192.168.11.9:/var/nas/samba) to server B (rcadmin@192.168.11.10:/var/nas/backup)
username: rcadmin

server A:

# vi /etc/default/rsync

1	# vi /etc/default/rsync

RSYNC_ENABLE=true

1	RSYNC_ENABLE=true

lsyncd が利用している inotify が監視できるファイル数上限の設定
この上限を超えると lsyncd は動作を停止または、起動してくれない

下記の様なエラーが発生する

lsyncd: Error, Terminating since out of inotify watches.#012Consider increasing /proc/sys/fs/inotify/max_user_watches

1	lsyncd: Error, Terminating since out of inotify watches.#012Consider increasing /proc/sys/fs/inotify/max_user_watches

値変更

# vi /etc/sysctl.conf

1	# vi /etc/sysctl.conf

設定の追加／変更

fs.inotify.max_user_watches = 960000

1	fs.inotify.max_user_watches = 960000

値の設定

# /sbin/sysctl -p

1	# /sbin/sysctl -p

値の確認

$ cat /proc/sys/fs/inotify/max_user_watches
960000

1 2	$ cat /proc/sys/fs/inotify/max_user_watches 960000

鍵の生成

$ ssh-keygen
Enter passphrase (empty for no passphrase):

1 2	$ ssh-keygen Enter passphrase (empty for no passphrase):

ssh-keygen を実行すると Enter passphrase (empty for no passphrase): と
パスフレーズを聞かれるので
空のままにしてパスフレーズ無しで生成する

すると、 .ssh/ 以下に2ファイルが生成される

id_rsa 秘密鍵
id_rsa.pub 公開鍵

$ cd .ssh
$ chmod 600 id_rsa

1 2	$ cd .ssh $ chmod 600 id_rsa

server B に id_rsa.pub (公開鍵) をコピーする

server B:

$ mkdir .ssh
$ chmod 700 .ssh
$ cd .ssh
$ cat id_rsa.pub >> authorized_keys
$ chmod 600 authorized_keys

$ mkdir .ssh

$ chmod 700 .ssh

$ cd .ssh

$ cat id_rsa.pub >> authorized_keys

$ chmod 600 authorized_keys

server A:

server A から B (192.168.11.10) へ接続テスト

$ /usr/bin/ssh -i /home/rcadmin/.ssh/id_rsa rcadmin@192.168.11.10

1	$ /usr/bin/ssh -i /home/rcadmin/.ssh/id_rsa rcadmin@192.168.11.10

$ vi /var/nas/bin/lsyncd.conf.lua

1	$ vi /var/nas/bin/lsyncd.conf.lua

--
-- User configuration file for lsyncd.
--
-- Simple example for default rsync.
-- /etc/lsyncd/lsyncd.conf.lua
-- /var/nas/bin/lsyncd.conf.lua
--
-- version 1.0 
--
settings{
  insist = true,
  logfile = "/var/log/lsyncd.log",
  statusFile = "/tmp/lsyncd.stat",
  statusInterval = 1,
  rsyncOpts="-az",
}

-- 同一サーバー内
sync{
  default.rsync,
  source="/var/nas/samba",
  target="/var/nas/backup",
  delete="running",
  rsync = {
    binary = '/var/nas/bin/rsync.pl'
  }
}

sync{
  default.rsync,
  delay=0,
  source="/var/nas/samba",
  target="rcadmin@192.168.11.10:/var/nas/backup",
  delete="running",
  rsync = {
    rsh = "/usr/bin/ssh -i /home/rcadmin/.ssh/id_rsa -o StrictHostKeyChecking=no"
  }
}

-- User configuration file for lsyncd.

-- Simple example for default rsync.

-- /etc/lsyncd/lsyncd.conf.lua

-- /var/nas/bin/lsyncd.conf.lua

-- version 1.0

settings{

insist = true,

logfile = "/var/log/lsyncd.log",

statusFile = "/tmp/lsyncd.stat",

statusInterval = 1,

rsyncOpts="-az",

}

-- 同一サーバー内

sync{

default.rsync,

source="/var/nas/samba",

target="/var/nas/backup",

delete="running",

rsync = {

binary = '/var/nas/bin/rsync.pl'

}

sync{

default.rsync,

delay=0,

source="/var/nas/samba",

target="rcadmin@192.168.11.10:/var/nas/backup",

delete="running",

rsync = {

rsh = "/usr/bin/ssh -i /home/rcadmin/.ssh/id_rsa -o StrictHostKeyChecking=no"

}

server B:

# vi /etc/rsyncd.conf

1	# vi /etc/rsyncd.conf

uid = root
gid = root
read only = no

[nas]
# コピー先対象ディレクトリー
path = /var/nas/backup
# hosts allow = localhost, 192.168.11.9
hosts allow = 192.168.11.9/24
hosts deny = *
read only = false

uid = root

gid = root

read only = no

[nas]

# コピー先対象ディレクトリー

path = /var/nas/backup

# hosts allow = localhost, 192.168.11.9

hosts allow = 192.168.11.9/24

hosts deny = *

read only = false

server A:

# /usr/bin/lsyncd -pidfile /var/run/lsyncd.pid /var/nas/bin/lsyncd.conf.lua

1	# /usr/bin/lsyncd -pidfile /var/run/lsyncd.pid /var/nas/bin/lsyncd.conf.lua