netstat -pan --inet | grep 27015
udp        0      0 91.203.25.245:27015    0.0.0.0:*                           3096/./hlds_i686 

$IPTABLES -A INPUT -p udp --dport 27015 -j ACCEPT

mount 192.168.0.1:/var/data /home/user/server

umount /home/user/server

# iptables -v -I INPUT -m set --match-set blacklist src -j DROP
DROP  all opt -- in * out *  0.0.0.0/0  -> 0.0.0.0/0   match-set blacklist src
iptables: No chain/target/match by that name.

#!/bin/bash

mysql_result=`mysql_result 2>/dev/null` || mysql_result=/tmp/mysql_result$$

mysql -u root -pPASS  vmail --execute="SELECT username FROM mailbox \G" > $mysql_result

mysql_f1=$(cat $mysql_result)
mysql_f2=$(echo "${mysql_f1}" | rev | cut -d: -f1 | rev )
mysql_f3=$(echo "${mysql_f2}" | sed '/*/d')
mysql_f4=$(echo "${mysql_f3}" | sed 's/ *//')
echo "$mysql_f4"

main @ work-pc  ~/Desktop/src
└─$ ▶ echo "example.com" | cut -d"." -f1
example

main @ work-pc  ~/Desktop/src
└─$ ▶ echo "mail.example.com" | cut -d"." -f1
mail

>>> Verifying ebuild manifests

>>> Emerging (1 of 1) net-firewall/ipset-6.17::gentoo
 * ipset-6.17.tar.bz2 SHA256 SHA512 WHIRLPOOL size ;-) ...                                                                                              [ ok ]
 * Determining the location of the kernel source code
 * Found kernel source directory:
 *     /usr/src/linux
 * Found kernel object directory:
 *     /lib/modules/4.0.9-gentoo/build
 * Found sources for kernel version:
 *     4.0.9-gentoo
 * Modular kernel detected. Gonna build kernel modules...
 * Checking for suitable kernel configuration options...                                                                                                [ ok ]
>>> Unpacking source...
>>> Unpacking ipset-6.17.tar.bz2 to /var/tmp/portage/net-firewall/ipset-6.17/work
>>> Source unpacked in /var/tmp/portage/net-firewall/ipset-6.17/work
>>> Preparing source in /var/tmp/portage/net-firewall/ipset-6.17/work/ipset-6.17 ...
 * Sorry, but you have to patch kernel sources with the following patch:
 *  # cd /usr/src/linux
 *  # patch -i /var/tmp/portage/net-firewall/ipset-6.17/work/ipset-6.17/netlink.patch -p1
 * You should recompile and run new kernel to avoid runtime errors.
 * ERROR: net-firewall/ipset-6.17::gentoo failed (prepare phase):
 *   Unpatched kernel
 * 
 * Call stack:
 *     ebuild.sh, line   93:  Called src_prepare
 *   environment, line 3737:  Called check_header_patch
 *   environment, line  810:  Called die
 * The specific snippet of code:
 *           die "Unpatched kernel";
 * 
 * If you need support, post the output of `emerge --info '=net-firewall/ipset-6.17::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=net-firewall/ipset-6.17::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/net-firewall/ipset-6.17/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/net-firewall/ipset-6.17/temp/environment'.
 * Working directory: '/var/tmp/portage/net-firewall/ipset-6.17/work/ipset-6.17'
 * S: '/var/tmp/portage/net-firewall/ipset-6.17/work/ipset-6.17'

>>> Failed to emerge net-firewall/ipset-6.17, Log file:

ipset -L blacklist | grep 'ipset v6.12.1: The set with the given name does not exist'
if [ $? -ne "1" ];
        then
        ipset -N blacklist iphash
fi

net-dns/bind-9.10.1_p1::gentoo  USE="caps dlz threads -berkdb -doc -filter-aaaa -fixed-rrset -geoip -gost -gssapi -idn -ipv6 -json -ldap -mysql -nslint -odbc -postgres -python -rpz -seccomp (-selinux) -ssl -static-libs -urandom -xml" PYTHON_TARGETS="python2_7 python3_3 -python3_4"

acl "xfer" { none; };
acl "lan" { 127.0.0.0/8; 192.168.0.0/24; };

options {
	directory "/var/bind";
	pid-file "/run/named/named.pid";

	listen-on-v6 { none; };
	listen-on { 127.0.0.1; 192.168.0.1; 91.203.26.168; };

	allow-query {
		lan;
	};

	allow-query-cache {
		/* Use the cache for the "trusted" ACL. */
		lan;
	};

	allow-recursion {
		/* Only trusted addresses are allowed to use recursion. */
		lan;
	};

	allow-transfer {
		/* Zone tranfers are denied by default. */
		none;
	};

	allow-update {
		/* Don't allow updates, e.g. via nsupdate. */
		none;
	};

	forward first;
	forwarders {
	//	123.123.123.123;	// Your ISP NS
	//	124.124.124.124;	// Your ISP NS
	//	4.2.2.1;		// Level3 Public DNS
	//	4.2.2.2;		// Level3 Public DNS
		8.8.8.8;		// Google Open DNS
		8.8.4.4;		// Google Open DNS
	};



	dnssec-enable yes;
	//dnssec-validation yes;

	/*
	 * As of bind 9.8.0:
	 * "If the root key provided has expired,
	 * named will log the expiration and validation will not work."
	 */
	dnssec-validation auto;

	/* if you have problems and are behind a firewall: */
	//query-source address * port 53;
};


logging {
	channel default_log {
		file "/var/log/named/named.log" versions 5 size 50M;
		print-time yes;
		print-severity yes;
		print-category yes;
	};

	category default { default_log; };
	category general { default_log; };
};


include "/etc/bind/rndc.key";
controls {
	inet 127.0.0.1 port 953 allow { 127.0.0.1/32; } keys { "rndc-key"; };
};

// Стандартные настройки зон }}

zone "." in {
	type hint;
	file "/var/bind/named.cache";
};

zone "localhost" IN {
	type master;
	file "/var/bind/pri/localhost.zone";
	notify no;
};

zone "server.lan" {
	type master;
	file "/var/bind/pri/server.lan.zone";
	allow-query { any; };
	allow-transfer { xfer; };
};

$TTL 1W
@       IN      SOA     ns.server.lan. root.server.lan.  (
                                      2008122601 ; Serial
                                      28800      ; Refresh
                                      14400      ; Retry
                                      604800     ; Expire - 1 week
                                      86400 )    ; Minimum
@		IN      NS      ns.server.lan.
@		IN	A	192.168.0.7

22-Jun-2015 23:28:57.977 general: info: managed-keys-zone: loaded serial 0
22-Jun-2015 23:28:57.990 general: info: zone server.lan/IN: loaded serial 2008122601
22-Jun-2015 23:28:57.995 general: info: zone localhost/IN: loaded serial 2008122601
22-Jun-2015 23:28:58.000 general: notice: all zones loaded
22-Jun-2015 23:28:58.004 general: notice: running

#!/bin/sh
 meta=/usr/bin/qt-faststart                                             # Добавляем метаданные для перемотки видео
 converter=ffmpeg                                                         # Путь до конвертора ffmpeg
 avifile="/var/www/site.ru/web/uploads/files"                                # Входящий AVI файл
 file_mask="*"                                                          # Ищем 0 в имени файла
    
 for i in `ls -a $avifile/*/$file_mask.avi`
  do
      i=$(echo $i | sed 's/.avi//')
      if [[ ! -e "$i.mp4" ]]
      then $converter -i $i.avi -map 0:0 -map 0:1 -vcodec libx264 -b:v 480K -maxrate 480K -r 24 -crf:v 25 -preset:v veryfast -acodec libfaac -ar 22050 -b:a
          $meta $i.mp4 $i2.mp4
          rm $i.avi
          mv $i2.mp4 $i.mp4
      else shift
      fi
  done

; <<>> DiG 9.8.4-rpz2+rl005.12-P1 <<>> @ns1.domen.in.ua newstroy.kiev.ua
; (1 server found)
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 36472
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;newstroy.kiev.ua.		IN	A

;; ANSWER SECTION:
newstroy.kiev.ua.	3600	IN	A	91.204.26.186

;; AUTHORITY SECTION:
newstroy.kiev.ua.	3600	IN	NS	ns1.domen.in.ua.
newstroy.kiev.ua.	3600	IN	NS	ns2.domen.in.ua.

;; ADDITIONAL SECTION:
ns1.domen.in.ua.		86400	IN	A	91.204.26.186
ns2.domen.in.ua.		86400	IN	A	91.204.26.186

;; Query time: 13 msec
;; SERVER: 91.204.26.186#53(91.204.26.186)
;; WHEN: Sun Dec  7 23:04:56 2014
;; MSG SIZE  rcvd: 125