Archive for the ‘Mẹo vặt của hiếu râu’ Category

19
Jun

sendmail authinfo

   Posted by: admin

FEATURE(`smrsh’, `/usr/sbin/smrsh’)dnl
FEATURE(`authinfo’, `hash -o /etc/mail/authinfo.db’)dnl
FEATURE(`mailertable’, `hash -o /etc/mail/mailertable.db’)dnl
FEATURE(`virtusertable’, `hash -o /etc/mail/virtusertable.db’)dnl

/etc/mail/authinfo

AuthInfo:[1.1.1.1] “U:yourusername” “P:yourpassword” “M:LOGIN PLAIN”

/etc/mail/mailertable

testmail.com    esmtp:[1.1.1.1]

#make

O LogLevel=15

sendmail restart

23
Jan

mod_reqtimeout.so

   Posted by: admin

Apache slowris attack

LoadModule reqtimeout_module modules/mod_reqtimeout.so

RequestReadTimeout header=10-30,MinRate=500 body=10,MinRate=2000

13
Jan

xen virt-manager tap2

   Posted by: admin

http://wiki.centos.org/HowTos/Xen/Xen4QuickStart

http://wiki.centos.org/HowTos/Xen/Xen4QuickStart/Xen4Libvirt

vi /usr/lib/python2.6/site-packages/virtinst/VirtualDisk.py

replace “tap” ==> “tap2″

python -m compileall /usr/lib/python2.6/site-packages/virtinst/

27
Oct

Phonegap - Hellow world

   Posted by: admin

download android sdk, adt, unzip vao c:\adt

$ android create avd –name avd19 –target android-19

download nodejs http://nodejs.org/download/ , chon windows bin 32 hoac 64 bits, copy vao c:\adt\node.exe

download npm, http://nodejs.org/dist/npm/ , unzip vao c:\adt\

download http://ant.apache.org/ , unzip vao c:\adt\ant , set PATH=c:\adt\ant\bin

C:\> npm install -g phonegap

$ phonegap create my-app
$ cd my-app
$ phonegap install android
$ phonegap run android

$ plugman install –platform android –project “c:\adt\my-app\platforms\android” –plugin org.apache.cordova.device

$ phonegap local plugin add org.apache.cordova.device
DEBUG tool
$ npm -g install weinre
$ weinre --boundHost yourIP
open web http://yourIP:8080/client
put this line to www/index.html
<script src="http://yourIP:8080/target/target-script-min.js"></script>

cd /path/to/dir
find . -type f -name ‘*.html’ -exec grep -l “abcxyz” {} +

find . -type f -name ‘*.html’ -exec grep “abcxyz” {} +

for i in `ls /var/spool/mqueue/qf*`; do  grep ‘abcxyz’ $i && rm -f $i; done

7
Oct

linux system monitoring

   Posted by: admin

enable epel

wget http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm

rpm -ivh epel-release-6-8.noarch.rpm

yum install glances

glances

7
Oct

mysql php utf8 charset

   Posted by: admin

mysql_query(”SET character_set_results = ‘utf8′, character_set_client = ‘utf8′, character_set_connection = ‘utf8′, character_set_database = ‘utf8′, character_set_server = ‘utf8′”);

27
May

openvz - remote public ip

   Posted by: admin

======= on public ip vps ===============================

#ip tunnel add gre1 mode gre local [public_ip] remote [openvz_ip]
#ifconfig gre1 192.168.1.1 pointopoint 192.168.1.2
#route add [local_ip] gw 192.168.1.2

*nat
:PREROUTING ACCEPT [25003:1664683]
:POSTROUTING ACCEPT [168001:10091407]
:OUTPUT ACCEPT [168000:10091367]
-A PREROUTING -d [public_ip] -p tcp -m tcp –dport 80 -j DNAT –to-destination [local_ip]:80
-A PREROUTING -d [public_ip] -p tcp -m tcp –dport 22 -j DNAT –to-destination [local_ip]:22
-A POSTROUTING -s [local_ip] ! -d [public_ip] -j SNAT –to-source [public_ip]
COMMIT

#echo 1 > /proc/sys/net/ipv4/ip_forward
========== ON OPENVZ =====================
#ip tunnel add gre1 mode gre remote [public_ip] local [openvz_ip]
#ifconfig gre1 192.168.1.2 pointopoint 192.168.1.1
echo “201   gre_1″ >> /etc/iproute2/rt_tables
# /sbin/ip rule add from [local_ip] table gre_1
# /sbin/ip route add throw [openvz_ip] table gre_1
# /sbin/ip route add default via 192.168.1.1 table gre_1
17
Jan

PowerDNS pdns

   Posted by: admin

wget http://downloads.powerdns.com/releases/pdns-3.3.1.tar.gz

tar -zxvf pdns-3.3.1.tar.gz

cd pdns-3.3.1

./configure –with-modules=”gmysql” –without-lua

make && make install

vi /usr/local/etc/pdns.conf

launch=gmysql

#gmysql-host=127.0.0.1

gmysql-socket=/var/run/mysql/mysql.sock

gmysql-user=xxx

gmysql-dbname=pdns

gmysql-password=xxx

——– SQL ———

CREATE TABLE `records` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`domain_id` int(11) DEFAULT NULL,

`name` varchar(255) DEFAULT NULL,

`type` varchar(10) DEFAULT NULL,

`content` varchar(64000) DEFAULT NULL,

`ttl` int(11) DEFAULT NULL,

`prio` int(11) DEFAULT NULL,

`change_date` int(11) DEFAULT NULL,

PRIMARY KEY (`id`),

KEY `nametype_index` (`name`,`type`),

KEY `domain_id` (`domain_id`)

) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1

CREATE TABLE `domains` (

`id` int(11) NOT NULL AUTO_INCREMENT,

`name` varchar(255) NOT NULL,

`master` varchar(128) DEFAULT NULL,

`last_check` int(11) DEFAULT NULL,

`type` varchar(6) NOT NULL,

`notified_serial` int(11) DEFAULT NULL,

`account` varchar(40) DEFAULT NULL,

PRIMARY KEY (`id`),

UNIQUE KEY `name_index` (`name`)

) ENGINE=InnoDB AUTO_INCREMENT=2 DEFAULT CHARSET=latin1

+—-+————–+——–+————+——–+—————–+———+

| id | name         | master | last_check | type   | notified_serial | account |

+—-+————–+——–+————+——–+—————–+———+

|  1 | macatung.com | NULL   |       NULL | NATIVE |            NULL | NULL    |

+—-+————–+——–+————+——–+—————–+———+

+—-+———–+——————-+——+——————————-+——-+——+————-+

| id | domain_id | name              | type | content                       | ttl   | prio | change_date |

+—-+———–+——————-+——+——————————-+——-+——+————-+

|  1 |         1 | macatung.com      | SOA  | localhost info@macatung.com 1 | 86400 | NULL |        NULL |

|  2 |         1 | macatung.com      | NS   | ns1.macatung.com              | 86400 | NULL |        NULL |

|  3 |         1 | macatung.com      | NS   | ns2.macatung.com              | 86400 | NULL |        NULL |

|  4 |         1 | www.macatung.com  | A    | 127.0.0.1                     |   120 | NULL |        NULL |

|  5 |         1 | mail.macatung.com | A    | 127.0.0.2                     |   120 | NULL |        NULL |

|  6 |         1 | macatung.com      | MX   | mail.macatung.com             |   120 |    5 |        NULL |

+—-+———–+——————-+——+——————————-+——-+——+————-+

pdns_server –daemon=no
pdns_server –daemon=yes
zone2sql –named-conf=/etc/named.conf –gmysql
=========== CENTOS 6 ===============
rpm -ivh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm
yum install pdns pdns-backend-mysql
11
Jan

apache mod proxy

   Posted by: admin

ProxyPass /g2auth http://127.0.0.1:808/g2auth

ProxyPreserveHost On

——————————————-

ProxyPass /cacti http://192.168.205.1/cacti

ProxyPassReverse /cacti http://192.168.205.1/cacti

ProxyPass /nagios http://192.168.205.1/nagios

ProxyPassReverse /nagios http://192.168.205.1/nagios