use vim as default editor

echo "export EDITOR=vim" >> ~/.bashrc && export EDITOR=vim

Modify all LDAP users in one shot

Once I need to reset login shell for all users. Here is easy solution, one simple loop

SAVEIFS=$IFS;
IFS=$(echo -en "\n\b");
for i in $(ldapsearch -h localhost -p 389 -D "cn=Manager,dc=<yourdomain>,dc=com" -w "<Manager's passwd>" -s sub -b  "ou=Users,dc=<yourdomain>,dc=com" | grep -v root | grep "dn:")
do
LDIF_FILE=/tmp/loginShell.ldif;
echo "${i}" > $LDIF_FILE;
echo "changetype: modify" >> $LDIF_FILE;
echo "replace: loginShell" >> $LDIF_FILE;
echo "loginShell: /usr/sbin/user_shell" >> $LDIF_FILE;
/usr/bin/ldapmodify -h localhost -p 389 -D "cn=Manager,dc=<yourdomain>,dc=com" -w "<Manager's passwd>" -f $LDIF_FILE;
done;
IFS=$SAVEIFS;

Of course, you can put instead of  loginShell any other parameters. Don't forget, to change multiply parameters put  '-' separator:

*****
        echo "replace: userPassword" >> $LDIF_FILE
        echo "userPassword: $PASSWD_SSHA" >> $LDIF_FILE
        echo "-" >> $LDIF_FILE
        echo "replace: sambaNTPassword" >> $LDIF_FILE
        echo "sambaNTPassword: $sambaNTPassword" >> $LDIF_FILE
  

Asterisk(Bash): watching agents on call/waiting in color

#!/bin/bash
clear
while true
do
buffer=$(
clear
/usr/sbin/asterisk -rx "show queue <My_Queue>" \
| grep Agent \
| grep -v \(Unavailable\) \
| sort -t"(" -k 2 \
| GREP_COLOR='01;31' egrep -i --color=always '^.*[0-9] \(Not in use.*$|$' \
| GREP_COLOR='01;32' egrep -i --color=always '^.*[0-9] \(Busy.*$|$' \
| GREP_COLOR='01;34' egrep -i --color=always '^.*\(paused.*$|$' )

echo "$buffer"
sleep 2
done

exit 0

ZFS::chmod: changing permissions of Operation not permitted

Problem: 

I can't change a folder permissions running on NFS client:

chmod: changing permissions of <somedir>: Operation not permitted

But from ZFS/NAS server the command is working

Solutiom: 

You need to add no_root_squash to your /etc/exports

But if you are running ZFS, you'll need to set

#sharemgr set -P nfs -p anon=0 zfs/data

Where zfs/data is name of your pool
Then you can check:

#sharemgr show -vp

Output:

default nfs=()

zfs

    zfs/rpool nfs=()
          /rpool
    zfs/data nfs=(anon="0")
          /data

read more:
http://prefetch.net/blog/index.php/2009/05/05/using-sharemgr-to-manage-nfs-file-systems-on-opensolaris-hosts/

GREP: colored output

http://stackoverflow.com/questions/17236005/grep-output-with-multiple-colors

EXAMPLE:  Colored output from asterisk CLI

 asterisk -rvvvvvvv | GREP_COLOR='01;36' egrep --color=always '^.*answered SIP.*$|$' | GREP_COLOR='01;31' egrep -i --color=always '^.*Got SIP response.*$|$' | grep -E '(answered SIP|Got SIP response)'

BASH Shell: For Loop File Names With Spaces

http://www.cyberciti.biz/tips/handling-filenames-with-spaces-in-bash.html

BASH for loop works nicely under UNIX / Linux / Windows and OS X while working on set of files. However, if you try to process a for loop on file name with spaces in them you are going to have some problem. For loop uses $IFS variable to determine what the field separators are. By default $IFS is set to the space character. There are multiple solutions to this problem.

Set $IFS variable

Try it as follows:

#!/bin/bash
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
for f in *
do
  echo "$f"
done
IFS=$SAVEIFS

OR

#!/bin/bash
SAVEIFS=$IFS
IFS=$(echo -en "\n\b")
# set me
FILES=/data/*
for f in $FILES
do
  echo "$f"
done
# restore $IFS
IFS=$SAVEIFS

More examples using $IFS and while loop

Now you know that if the field delimiters are not whitespace, you can set IFS. For example, while loop can be used to get all fields from /etc/passwd file:

....
while IFS=: read userName passWord userID groupID geCos homeDir userShell
do
      echo "$userName -> $homeDir"
done < /etc/passwd

Using old good find command to process file names

To process the output of find with a command, try as follows:

find . -print0 | while read -d $'\0' file
do
  echo -v "$file"
done

Try to copy files to /tmp with spaces in a filename using find command and shell pipes:

find . -print0 | while read -d $'\0' file; do cp -v "$file" /tmp; done

Processing filenames using an array

Sometimes you need read a file into an array as one array element per line. Following script will read file names into an array and you can process each file using for loop. This is useful for complex tasks:

#!/bin/bash
DIR="$1"
 
# failsafe - fall back to current directory
[ "$DIR" == "" ] && DIR="."
 
# save and change IFS 
OLDIFS=$IFS
IFS=$'\n'
 
# read all file name into an array
fileArray=($(find $DIR -type f))
 
# restore it 
IFS=$OLDIFS
 
# get length of an array
tLen=${#fileArray[@]}
 
# use for loop read all filenames
for (( i=0; i<${tLen}; i++ ));
do
  echo "${fileArray[$i]}"
done

Playing mp3s with spaces in file names

Place following code in your ~/.bashrc file:

mp3(){
 local o=$IFS
 IFS=$(echo -en "\n\b")
 /usr/bin/beep-media-player "$(cat  $@)" &
 IFS=$o
}

Keep list of all mp3s in a text file such as follows (~/eng.mp3.txt):

/nas/english/Adriano Celentano - Susanna.mp3
/nas/english/Nick Cave & Kylie Minogue - Where The Wild Roses Grow.mp3
/nas/english/Roberta Flack - Kiling Me Softly With This Song.mp3
/nas/english/The Beatles - Girl.mp3
/nas/english/John Lennon - Stand By Me.mp3
/nas/english/The Seatbelts, Cowboy Bebop - 01-Tank.mp3

To play just type:
$ mp3 eng.mp3.txt

bash:: tolowercase,to uppercase

http://stackoverflow.com/questions/2264428/converting-string-to-lower-case-in-bash-shell-scripting

To lowercase
$ string="A FEW WORDS"
$ echo ${string,}
a FEW WORDS
$ echo ${string,,}
a few words
$ echo ${string,,[AEIUO]}
a FeW WoRDS

$ string="A Few Words"
$ declare -l string
$ string=$string; echo $string
a few words

To uppercase
$ string="a few words"
$ echo ${string^}
A few words
$ echo ${string^^}
A FEW WORDS
$ echo ${string^^[aeiou]}
A fEw wOrds

$ string="A Few Words"
$ declare -u string
$ string=$string; echo $string
A FEW WORDS

Toggle (undocumented)
$ string="A Few Words"
$ echo ${string~~}
a fEW wORDS
$ string="A FEW WORDS"
$ echo ${string~}
a fEW wORDS
$ string="a few words"
$ echo ${string~}
A Few Words

Capitalize (undocumented)
$ string="a few words"
$ declare -c string
$ string=$string
$ echo $string
A few words

Title case:
$ string="a few words"
$ string=($string)
$ string=${string[@]^}
$ echo $string
A Few Words

$ declare -c string
$ string=(a few words)
$ echo ${string[@]}
A Few Words

BASH: running script with argument equal value ( ./script.sh VAR="value" VAR2="value")

This is an example:

#Parse argument
while [ $# -gt 0 ]; do
 case ${1%%=*} in
  MESSAGE|message)
   MESSAGE=${1#*=}
   ;;
  SPANS|spans)
   SPANS=${1#*=}
   ;;
  NUMBERS|numbers)
   NUMBERS=${1#*=}
   ;;
  ATTEMPT|attempt)
   ATTEMPT=${1#*=}
   ;;
  VERBOSE|verbose)
   VERBOSE=${1#*=}
   ;;
  REPEAT|repeat)
   REPEAT=${1#*=}
   ;;
   *)
   usage
   exit 1
   ;;
 esac
 shift
done

Now you run your script as follow:

./script.sh  MESSAGE="message" SPANS="spans" NUMBERS="numbers" ....

How this works? That's easy!

while [ $# -gt 0 ] - Do, till we are running out of arguments. If we invoke ./script.sh one two three, then our arguments will be:
$0 = name of script ('./script.sh')
$1 = 'one'
$2 = 'two'
$3 = 'three'

On the end of each iteration we cast shift, which removes the first element from arguments array, but not the element's number. Argument numbers will be shifted. So at first cycle $1 will be equal 'one', but at the second iteration $1 will be equal 'two'. Got it?

case ${1%%=*} - In case if the first part (before '=' ) of our argument $1 is equal to (below). If we invoke ./script.sh MESSAGE="sometext", then $1 will be equal 'MESSAGE="sometext"'. Then respectively:

$1 = 'MESSAGE="sometext"'
${1} = 'MESSAGE="sometext"'
${1%%=*}  =  'MESSAGE'
${1#*=} = "sometext"

P.S.

Example of usage function:

usage()
{
        echo "Usage:"
        echo
        echo "$0 MESSAGE=\"message\" SPANS=\"spans\" NUMBERS=\"numbers\" [ATTEMPT=\"attempt\"] [VERBOSE=\"verbose\"] [REPEAT=\"repeat\"]"
        echo "Defaults: ATTEMPT=always VERBOSE=3 REPEAT=1"
        echo "Example: $APP_NAME MESSAGE=\"hello\" SPANS=auto NUMBERS=\"135xxxxxxxx,136xxxxxxxx\""
        echo
}

Look as well at: http://tldp.org/LDP/abs/html/refcards.html#AEN22664

Postfix: controlling attachment size limits

One of the famous problems, if you're building up a corporate email server, might be an email attachment size, that is allowed for your users to send as emails. On newbie's questions on forums most of gurus are pointing to policyd. Obviously, this plugin is more than amazing, works more than perfect and pretty fast as well. But.. It wont control the attachment size. It's plugin "Quotas" is only to control the amount of sent messages and consumed bandwidth, but not to control a single message size.

NOTE: MessageCumulativeSize will never block your first message with attachment, even it's size is exceeding the limits of hundred times! The first message will always go through. Read this: https://www.mail-archive.com/users@lists.policyd.org/msg01962.html

So this is not what I expected. I'd like to have a simple plugin, that BLOCKS the message sending, if it's size is larger, than I would allow. And I came up with this simple path.

Go to /usr/lib64/policyd-2.0/cbp/modules/ or wherever your cbpolicyd files stored and modify  Quotas.pm or make a patch like this (name it Quotas.pm.patch):

[root@server modules]# cat Quotas.pm.patch

--- Quotas.pm.orig      2014-07-25 21:01:38.332494503 -0400
+++ Quotas.pm   2014-07-25 22:24:08.297785096 -0400
@@ -101,7 +101,6 @@
        #   stage
        #
        if ($sessionData->{'ProtocolState'} eq "RCPT") {
-
                # Key tracking list, if quotaExceeded is not undef, it will contain the msg
                my %newCounters;  # Indexed by QuotaLimitsID
                my @trackingList;
@@ -414,7 +413,24 @@
                                                        if (lc($limit->{'Type'}) eq "messagecumulativesize") {
                                                                # Bump up counter
                                                                my $currentCounter = $qtrack->{'Counter'} + $sessionData->{'Size'};
-
+
+#-------------------------------# Added by SHIRKER
+                                                              # $server->maillog("DEBUG Quota TESTTTTT START!! Quota=%s MessageSize=%s",
+                                                              #                $limit->{'CounterLimit'},
+                                                              #                $sessionData->{'Size'});
+
+                                                               if ($sessionData->{'Size'} > $limit->{'CounterLimit'}){
+                                                               # $server->maillog("DEBUG Quota TESTTTTT DONE!! Quota=%s MessageSize=%s" Verdict=%s",
+                                                               # $limit->{'CounterLimit'},
+                                                               # $sessionData->{'Size'},
+                                                              # $quota->{'Verdict'});
+
+                                                                       # Set verdict
+                                                                       $verdict = $quota->{'Verdict'};
+                                                               }
+#-------------------------------# END added by Shirker
+#
+#
                                                                # Update database
                                                                my $sth = DBDo("
                                                                        UPDATE

Then apply it:

patch Quotas.pm < Quotas.pm.patch

OPENVPN working configuration

1) I have server inside a local network with eth0 192.168.0.14/24

2) A cheap modem with IP XX.XX.XX.166 and NAT  8460 port to 192.168.0.14

3) VPN network will be 172.26.0.0/24

We gonna use NAT since we cant add a static route to main gateway:

Windows openvpn client(172.26.0.6) <==>172.26.0.1 => NAT => 192.168.0.14

In general, my server configuration has been done according to this article: http://habrahabr.ru/post/194144/

/etc/openvpn/server.conf:

[root@gsm-gateway html]# cat /etc/openvpn/server.conf

local 192.168.0.14
port 8460
proto tcp-server
dev tun

ca /etc/openvpn/easy-rsa/2.0/keys/ca.crt
cert /etc/openvpn/easy-rsa/2.0/keys/server.crt
key /etc/openvpn/easy-rsa/2.0/keys/server.key
dh /etc/openvpn/easy-rsa/2.0/keys/dh1024.pem

server 172.26.0.0 255.255.255.0
persist-key
persist-tun

ifconfig-pool-persist ipp.txt
route 172.26.0.0 255.255.255.0
client-to-client

push "route 192.168.0.0 255.255.255.0"
push "redirect-gateway def"
push "dhcp-option DNS 8.8.8.8"
push "dhcp-option DNS 8.8.4.4"
push "dhcp-option DNS 208.67.222.222"
push "dhcp-option DNS 208.67.220.220"

keepalive 10 120
comp-lzo
max-clients 100
user openvpn
group openvpn
persist-key
persist-tun
status /var/log/openvpn/openvpn-status.log
log-append /var/log/openvpn/openvpn.log
verb 3
tun-mtu 1500
tun-mtu-extra 32

/etc/sysconfig/iptables:

[root@gsm-gateway html]# cat /etc/sysconfig/iptables
# Generated by iptables-save v1.4.7 on Sun Jun  1 14:09:37 2014
*filter
:INPUT ACCEPT [0:0]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [2253:276759]
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p icmp -j ACCEPT
-A INPUT -i lo -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 8460 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 80 -j ACCEPT
-A INPUT -i tun0 -j ACCEPT
-A INPUT -j REJECT --reject-with icmp-host-prohibited
-A FORWARD -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -s 172.26.0.0/24 -d 192.168.0.0/24 -i tun0 -o eth0 -m conntrack --ctstate NEW -j ACCEPT
-A FORWARD -i tun0 -j ACCEPT
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
COMMIT
# Completed on Sun Jun  1 14:09:37 2014
# Generated by iptables-save v1.4.7 on Sun Jun  1 14:09:37 2014
*nat
:PREROUTING ACCEPT [7656:717493]
:POSTROUTING ACCEPT [2631:164557]
:OUTPUT ACCEPT [2631:164557]
-A POSTROUTING -s 172.26.0.0/24 -o eth0 -j MASQUERADE
COMMIT
# Completed on Sun Jun  1 14:09:37 2014

Client (Windows 7) server.ovpn:

client
dev tun
proto tcp-client
remote XX.XX.XX.166 8460
resolv-retry infinite
nobind
tun-mtu 1500
tun-mtu-extra 32
mssfix 1450
persist-key
persist-tun
ca ca.crt
cert client1.crt
key client1.key
auth-user-pass
comp-lzo
reneg-sec 0
verb 5

Run windows client as administrator!!!

Windows Username/Password annoying prompt 

To disable Username/Password prompt read this thread https://forums.openvpn.net/topic11342.html

or https://my.hostvpn.com/knowledgebase/22/Save-Password-in-OpenVPN-for-Automatic-Login.html

Enough said:

1. Create a txt file on a folder alongside your .ovpn files name it what ever you want ex. 'pass.txt'
2. Put your user/pass inside the file in two(2) lines, like:

Code:

username
password

3. Then save it.
4. open up your .ovpn file in notepad and add:

Code:

auth-user-pass pass.txt

5. save and connect to your openvpn server.

VIM: Disable automatic comment insertion

Sometimes vim does weird things, like when you copy/paste stuff, that contained a line started with comment, then vim ALL next inserted line will put with comment in front...

this post is about how to get rid of it:
http://vim.wikia.com/wiki/Disable_automatic_comment_insertion

OR

create .vimrc file, it its not exists yet and add there following line:

autocmd FileType * setlocal formatoptions-=c formatoptions-=r formatoptions-=o

Bash: disk space alert

There are millions scripts and utilities for that.. Here is my input:

[root@gsm-gateway ~]# cat /usr/local/sbin/diskspace_alert

#!/bin/bash

ALERT=0
MAX_VALUE=$1
for i in `df -h | tr -s ' '| cut -d' ' -f5 | grep -oP "\d{1,3}?(?=%)"`
do
        [ "$i" -ge "$MAX_VALUE" ] && ALERT=$((ALERT+1)) && DF_OUTPUT=$(df -h)
done

[ "$ALERT" -gt 0 ] && /usr/local/sbin/php_mailer "The disk space is nearly full" "$DF_OUTPUT"

Replace /usr/local/sbin/php_mailer to your favorite Linux mailer

add to cron:

* */1 * * * /usr/local/sbin/diskspace_alert 80

where 80 - is the max percentage value

Sending emails via gmail with php

This script developed to send notifications (as well html and attachment)  to server admin through gmail account:

#!/usr/bin/php
<?php

/*

Please make sure, you have installed following pear modules:

pear install Mail
pear install Net_SMTP
pear install Mail_mime
pear install Mail_mimeDecode


IMPORTANT: Works only with utf-8 charset!!!

*/

$mailru_user = "YOUR_USER@gmail.com";
$mailru_passwd = "YOUR_PASS";
$to = '<TO_SERVER_ADMIN@gmail.com>';

require_once "Mail.php";
require_once('Mail/mime.php');

if(empty($argv[1]))exit("USAGE: $argv[0] 'Hello, how are you?' 'some text' '<h1>some html text</h1>' '/tmp/attachment.txt'");



function mail_via_gmail($subject,$text,$html,$file){
    global $mailru_user;
    $from = '<'.$mailru_user.'>';
    global $mailru_passwd;
    global $to;
    $crlf = "\r\n";
    if( empty($to) ){
        echo 'Please specify $to parameter';
        exit();
    }

    if( empty( $subject ) ) $subject = '';
    if( empty( $text ) ) $text = '';
    if( empty( $html ) ) $html = '';
    if( empty( $file ) ) $file = '';

    $headers = array(
        'From' => $from,
        'To' => $to,
        'Subject' => $subject,
        'Content-Type'  => 'text/html; charset=UTF-8'
    );


    $mime_params = array(
        'text_encoding' => '7bit',
        'text_charset'  => 'UTF-8',
        'html_charset'  => 'UTF-8',
        'head_charset'  => 'UTF-8'
    );

    $mime = new Mail_mime($crlf);

    $mime->setTXTBody($text);
    $mime->setHTMLBody($html);
    $mime->addAttachment($file,'application/octet-stream');

    $body = $mime->get($mime_params);
    $headers = $mime->headers($headers);

    $smtp = Mail::factory('smtp', array(
        'host' => 'ssl://smtp.gmail.com',
        'port' => '465',
        'auth' => true,
        'username' => $mailru_user,
        'password' => $mailru_passwd
    ));

    $mail = $smtp->send($to, $headers, $body);

    if (PEAR::isError($mail)) {
        echo('<p>' . $mail->getMessage() . '</p>');
    } else {
        echo("Message successfully sent!\n");
    }
}

@mail_via_gmail($argv[1],$argv[2],$argv[3],$argv[4]);

?>

My own fail to ban script for asterisk

This is script /usr/local/sbin/block_sip_ip.sh. It has some options, but i doubt if you really need all of them
you can just add it to your crontab:

*/3 * * * * /usr/local/sbin/block_sip_ip.sh -n 1000

where
-n 1000 - amount of las lines of asterisk log to parse. You need to adjust that part accordingly of intensity  of your calls. by default its only 200 lines.

-q - how many attempts allowed before IP will be banned. 3 by default

#!/bin/bash
# checking, is someone is getting "wrong password" in last 200 lines of asterisk log:
DEBUG=0
# email to notify about banned IPs
ADMIN_EMAIL="admin@domain.com"

# our internal network. First part only
LOCAL_NET="10.0.0"


# our own external IP:
OWNIP1="111.221.211.111"
LINES=200
INFO="Use: $0 -l /PATH/TO/LOG -q ATTEMPTS -n LINES"
while getopts ":dl:q:n:" optname
    do
      case "$optname" in
        "d")
             DEBUG=1
             echo "debugging is on"
          ;;
        "n")
             LINES=$OPTARG
          ;;
        "l")
             LOG_FILE=$OPTARG
          ;;
        "q")
            ATTEMPTS=$OPTARG
          ;;
        "?")
          echo "Unknown option $OPTARG"
                  echo $INFO
                  exit 0
          ;;
        ":")
          echo "No argument value for option $OPTARG"
                  echo $INFO
                  exit 0
          ;;
        *)
      echo "Unknown error while processing options"
          exit 0
          ;;
      esac
    done
if [ -z "$LOG_FILE" ]
then
  LOG_FILE="/var/log/sip_hackers_ips"
fi

[ "$DEBUG" -eq 1 ] &&  echo "logfile : $LOG_FILE"
[ "$DEBUG" -eq 1 ] &&  echo "lines : $LINES"

if [ -z "$ATTEMPTS" ]
then
    ATTEMPTS=2
fi

[ "$DEBUG" -eq 1 ] &&  echo "failed ext. allowed : $ATTEMPTS"

for i in `tail -$LINES /var/log/asterisk/full | grep -v $LOCAL_NET | grep -E '(Wrong password| failed for )' | grep -Eo '(([0-9]{1,3}\.){3}[0-9]{1,3})' | sort | uniq | grep -v "$OWNIP1"`
do
    # checking amount of attempted extensions
    EXT_CNT=$(tail -$LINES /var/log/asterisk/full | grep -oc "$i")
    # if its geater than 3, block it!!
    if [ "$EXT_CNT" -gt "$ATTEMPTS" ];
    then
       IPTABLES_CNT=$(/sbin/iptables -nvL | grep -c $i);
       if [ "$IPTABLES_CNT" -eq 0 ]; 
       then
            [ "$DEBUG" -eq 1 ] && echo "To BLOCK: $i";
            echo -n "[`date`]">> $LOG_FILE
            echo $i >> $LOG_FILE
            /sbin/iptables -I INPUT -s $i -j DROP
            /sbin/iptables -A OUTPUT -d $i -j DROP
            [ "$DEBUG" -eq 1 ] && echo "IP $i has been blocked"
            echo "VPBX: $i has been blocked" | mail -s "VPBX: $i has been blocked" $ADMIN_EMAIL
         fi
      fi
done

freepbx moving all .conf.old files back to original

Hi, all

Once by mistake I recompiled all .conf files from asterisk source, and some freepbx files were moved into <FILE>.conf.old. So this is the script to change it back :
mv <FILE>.conf to <FILE>.conf_orig
mv <FILE>.conf.old mv <FILE>.conf
just go to /etc/asterisk
and run:

for i in `ls | grep "\.old$"`;do echo "${i%.old} will be saved as ${i%.old}_orig"; mv ${i%.old} ${i%.old}_orig; echo " moving $i to ${i%.old}" ; mv $i ${i%.old};done

How to merge wav files in linux for asterisk IVR

For example, for lazy admins, its possible to combine some asterisk system sounds into IVR. This is how to merge them and insert a pause. And on the end - sending to specified email for checking:

# Making first part. After it we need a pause:
wavmerge good-morning.wav thank-you-for-calling.wav

# Renaming from default
mv -f merge.wav merge1.wav

# Inserting pause in 1 second:
sox merge1.wav "|sox our-business-hours.wav -p pad 1" merge2.wav


# Adding more files
wavmerge merge2.wav 9.wav hours.wav 12.wav hours.wav 13.wav hours.wav 18.wav hours.wav and.wav day-1.wav day-5.wav

# Renaming from default
mv -f merge.wav merge3.wav


# Inserting pause in 1 second:
sox merge3.wav "|sox this-call-may-be-monitored-or-recorded.wav -p pad 1" merge1_4.wav

# Sending by email:
echo "This is latest recording" | mutt -a "merge1_4.wav" -s "new recordimg out" -- youremail@gmail.com

cbpolicy email notifier

I come up with a script, that parses maillog and sends email notification to specified admin's email. take a look:

#!/bin/bash
# Usage:
# cbpolicy_notifier <LINES TO PARSE> <MAIL TO>

LINES=$1
MAIL_TO=$2

if [ -z "$2" ] || [ ! -z "$3" ];then
    echo ""
    echo "ERROR: $0 requires number munber of lines to parse and valid email to notify you"
    echo ""
    echo "Usage: $0 <LINES TO PARSE> <MAIL TO>"
    echo ""
    exit
fi

EMAILMESSAGE="/tmp/cbpolicy_notifier_`date +%Y-%m-%d_%H-%M`.txt"
HOST_NAME=$(hostname)
MAIL_FROM=postmaster@$HOST_NAME

for i in `tail -$LINES /var/log/maillog  | grep cbpolicy | grep reject | grep -v "from=root@" | grep "track=Sender" | grep -oP '(?<=from=).*?(?=,)' | uniq`;
do
        echo $i
        V_EMAIL=$i
        MSG_SUBJECT_ADMIN="$HOST_NAME::Outbound email quota was exceeded for $V_EMAIL"
        MSG_SUBJECT_USER="WARNING::Your outbound email hourly quota was exceeded"
        echo "We have encountered outbound email overlimiting for $V_EMAIL" > $EMAILMESSAGE
        echo "" >> $EMAILMESSAGE
        LOG_SAMPLE=$(tail -$LINES /var/log/maillog  | grep cbpolicy | grep reject | grep -v "from=root@" | grep $V_EMAIL )
        echo "This is the log sample" >> $EMAILMESSAGE
        echo "" >> $EMAILMESSAGE
        echo "$LOG_SAMPLE" >> $EMAILMESSAGE
        /bin/mailx -r "$MAIL_FROM" -s "$MSG_SUBJECT_ADMIN" "$MAIL_TO" < $EMAILMESSAGE

        echo "Dear customer." > $EMAILMESSAGE
        echo "" >> $EMAILMESSAGE
        echo "Your hourly outbound email quota was overlimited. Please reduce amount of emails you are sending out." >> $EMAILMESSAGE
        /bin/mailx -r "$MAIL_FROM" -s "$MSG_SUBJECT_USER" "$V_EMAIL" < $EMAILMESSAGE
done

add this to cron, just specify num of lines to parse and email. Like this:

*/15 * * * * /usr/local/sbin/cbpolicy_notifier 500 support@example.com

monitor HDD script via hpacucli

I have written some useful script to monitor HDD on HP server via hpacucli and send email notification

[root@hp-proliant]# cat /usr/local/sbin/hpacucli_mon
#!/bin/bash
# Usage:
# hpacucli_mon <NUM OF ARRAYS> <NUM OF PHISYCAL DISKS> <MAIL TO>
HP_SLOT=`/usr/sbin/hpacucli ctrl all show status | grep -o -P 'Slot.{0,2}'| awk -F" " '{print $2}'`
if [ "$3" = "" ] || [ "$4" != "" ];then
    echo ""
    echo "ERROR: hpacucli_mon requires number of arrays, disks and valid email"
    echo ""
    echo "Usage: hpacucli_mon <NUM OF ARRAYS> <NUM OF PHISYCAL DISKS> <MAIL TO>"
    echo ""
    echo "To find amount of arrays and disks you do have run:"
    echo "/usr/sbin/hpacucli ctrl slot=$HP_SLOT ld all show status"
    echo "and"
    echo "/usr/sbin/hpacucli ctrl slot=$HP_SLOT pd all show status"
    exit
fi
EMAILMESSAGE="/tmp/hpacucli_message.txt"
LOCAL_IP=`/sbin/ifconfig   eth0 | grep -Eo '(([0-9]{1,3}\.){3}[0-9]{1,3})' | grep -v ".255"`
MSG_SUBJECT="Smart HP array failure at $LOCAL_IP"
OK_ARRAY_CNT=`/usr/sbin/hpacucli ctrl slot=$HP_SLOT ld all show status | grep -o "OK" | wc -l`
OK_DISKS_CNT=`/usr/sbin/hpacucli ctrl slot=$HP_SLOT pd all show status | grep -o "OK" | wc -l`
if [ "$OK_ARRAY_CNT" -ne $1 ] || [ "$OK_DISKS_CNT" -ne $2 ]; then
    echo "We have encountered a problem at $LOCAL_IP" > $EMAILMESSAGE
    echo "Take look at this: " >> $EMAILMESSAGE
    /usr/sbin/hpacucli ctrl slot=$HP_SLOT ld all show status >> $EMAILMESSAGE
    /usr/sbin/hpacucli ctrl slot=$HP_SLOT pd all show status >> $EMAILMESSAGE
    echo "===============================================" >> $EMAILMESSAGE
    echo "INFORMATION PROVIDED BY SMARTCTL:"  >> $EMAILMESSAGE
    echo "" >> $EMAILMESSAGE
    for (( i=0; i<$2; i++ ))
    do
        /usr/sbin/smartctl -a -d cciss,$i /dev/cciss/c0d0 | grep -E '(Serial|Health)' >> $EMAILMESSAGE
        echo "" >> $EMAILMESSAGE
    done
    mail -s "$MSG_SUBJECT" "$3" < $EMAILMESSAGE
fi

To use this, just add to crontab:

00 */1 * * * /usr/local/sbin/hpacucli_mon <NUM OF LOGICAL HDD> <NUM OF PHYSICAL HDD> <YOUR@EMAIL> 

To find amount of disks, run

export HP_SLOT=$(/usr/sbin/hpacucli ctrl all show status | grep -o -P 'Slot.{0,2}'| awk -F" " '{print $2}') && /usr/sbin/hpacucli ctrl slot=$HP_SLOT ld all show status && /usr/sbin/hpacucli ctrl slot=$HP_SLOT pd all show status

Then count them

howto debug SIP and RTP

Low level debug:
tcpdump -A host 188.232.87.xxx

High level debug:
asterisk -r
CLI> sip set debug ip 188.232.87.xxx

RTP debug:
tcpdump -n dst portrange 10000-20000