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Showing posts from 2011

make sure pgpool node/instance is up ( with bash script )

--idea--
this idea came to me when some one ask " how do we ensure that postgresql's node has been activated again ? ". by asking google and with have no answer, finally why we don't make a happy script with bash ^_^...

--scenario--
as simple as i love to, this script is run as background service that check node's status every 3 second. And if one of node/both is down, script is automatic bring it UP/ON again.

--1--
must to know  how to chek node status:
*> node UP/ON
$ tail /var/log/pgpool.log 2011-12-22 10:06:18 DEBUG: pid 8726: starting health checking 2011-12-22 10:06:18 DEBUG: pid 8726: health_check: 0 th DB node status: 1 2011-12-22 10:06:18 DEBUG: pid 8726: health_check: 1 th DB node status: 1 $ pcp_node_info 10 localhost 9898 postgres password 1 xxx.xxx.xxx.xxx. xxxx 1 1073741823.500000 $ pcp_node_info 10 localhost 9898 postgres password 1 | awk '{print $3}' 1
*> node Down $ tail /var/log/pgpool.log 2011-12-22 10:14:41 DEBUG: pid 8726: start…

send oracle 11g audit log to syslog server ( on other PC)

--preparation-- 
well...... this time i will write about syslog, and for this experiment what we need is :
- kiwi syslog server get from here and install it on your PC( i use xp for this server syslog)
- oracle db
- and of course, a cup of coffee is a must and other thing that make you relax and comfortable ( :p )

--scema--
first thing to do is redirect oracle audit log to syslog, and than from syslog send to syslog server( kiwi syslog)

--1--
 edit initSID.ora and add this folowing config :
create "/var/log/oracle/" firs
audit_file_dest='/var/log/oracle/' audit_trail='OS' AUDIT_SYSLOG_LEVEL=local1.warning after that edit /etc/syslog.conf, and add this folowing config :
#Save oracle rdbms audit trail to oracle_audit.log local1.warning /var/log/oracle/oracle_audit.log #Send oracle rdbms audit trail to remote syslog server local1.warning @1.1.1.1 #<= ip your syslog server--2--
restart syslog service with command :
/sbin/service syslog restart …

pgpoolAdmin, web interface for pgpool

--preparation--
next capter of pgpool from my last post ( here), now i wanna post about a tool that can manage pgpool from web interface called pgpoolAdmin. next... enjoy the post... ^_^

--1--
first we need to download pgpooladmin from here, extrak and copy or move to http directory( for exp : /var/www) 
$wget http://pgfoundry.org/frs/download.php/2964/pgpoolAdmin-3.0.3.tar.gz $tar zxvf pgpoolAdmin-3.0.3.tar.gz $sudo cp -Rf pgpoolAdmin-3.0.3 /var/www/test
 --2--
install pgpooladmin via web on: http://localhost/test/install


make sure owner of that file is "www-data"(of course have write akses) and check again



login with user that you create on /etc/pcp.conf (for more detail see my last post



and done.ya.. tooo.......!!!
 ^_^

my unity desktop

take a look at my desktop unity with conky and AWN


postgresql replication with pgpool2 on ubuntu

--preparation--
next capter from may last post, now we'll make repication of postgreSQL with pgpool on ubuntu. assumtion, we have 2 server with postgresql installed ( n running well ) on each server.
 --1--
 first install pgpooll2, with
sudo apt-get install pgpool2--2--
 edit config file on /etc/pgpool.conf
# Host name or IP address to listen on: '*' for all, '' for no TCP/IP # connections listen_addresses = '*' # Port number for pgpool port = 5433 # Port number for pgpool communication manager pcp_port = 9898 parallel_mode = false # Replication mode replication_mode = true # Load balancing mode, i.e., all SELECTs are load balanced. # This is ignored if replication_mode is false. load_balance_mode = true backend_hostname0 = '1.1.1.1' backend_port0 = 5432 backend_weight0 = 1 backend_data_directory0 = '' backend_hostname1 = '1.1.1.2' backend_port1 = 5432 backend_weight1 = 1 backend_data_directory1 = '' edit config file o…

install lighttp + postgresql di ubuntu

-- back from old day--
long time since write my latest post. Now, it's time to write again.... ^_^
starting with this tittle..

--1--
just simple as usually, type this command on your terminal
$ sudo apt-get install postgresql postgresql-client libpq-dev postgresql-client-common lighttpd php5-cgi php5-pgsql php5-cli
--2--
edit "php.ini" on
vi /etc/php5/cgi/php.ini ; of zero causes PHP to behave as before. Default is 1. You should fix your scripts ; to use SCRIPT_FILENAME rather than PATH_TRANSLATED. ; http://php.net/cgi.fix-pathinfo cgi.fix_pathinfo=1
then run this command To enable the fastcgi configuration
sudo lighttpd-enable-mod fastcgi sudo lighttpd-enable-mod fastcgi-php sudo /etc/init.d/lighttpd force-reload
--test & jajal--
create php file on /var/www containing :
<?php phpinfo(); ?>

Webalizer - Statistik trafik/kunjungan web (ubuntu)

--goal--
make subdomain trafik statistik

--install--
run this command :
sudo apt-get install webalizeredit "/etc/apache2/apache2.conf" , set
HostnameLookups Off into :
HostnameLookups On
--1--
All we need is already prepared, now set log of vhost in "/etc/apache2/sites-enabled" to spesifict folder.
exp. $sudo vi /etc/apache2/sites-enabled/monitor CustomLog ${APACHE_LOG_DIR}/access.log into: CustomLog ${APACHE_LOG_DIR}/vhost/monitor/access.logrestart service
$sudo /etc/init.d/apache2 restart
--2--
create another file config of webalizer in /etc/webalizer
exp. vi /etc/webalier/monitor.conf
set the LogFile to apache2 logfile:
LogFile /var/log/apache2/vhost/monitor/access.log # apache log OutputDir /var/webalizer/monitor/ #webalizer report Incremental yes ReportTitle Usage statistics for HostName monitor.brekele.co.cc
--3--
create script to run webalizer via crontab
exp. vi /etc/webalizer/cron_job
#!/bin/bash echo "di jalankan pada: `date +"%d-%B-%Y %r"…

my Desktop ~ ubuntu 10.10

just wanna share, this is may desktop :D:

list directori on NginX

-- goal --
we can list a directory under web root folder

-- 1 --
edit /etc/nginx/sites-enabled/default
sudo vi /etc/nginx/sites-enabled/default-- 2 --
add this following config :
server { listen 80; ## listen for ipv4 listen [::]:80 default ipv6only=on; ## listen for ipv6 server_name localhost; autoindex on; # add this to your config access_log /var/log/nginx/localhost.access.log; --3--
then restart your services:
sakti@sakti-sama:~$ sudo /etc/init.d/nginx restart Restarting nginx: nginx.. -- test&jajal --

blok domain dengan bind

 nb: mungkin dah ada yang publish, tetapi ini berdasar pengalaman pribadi ( dah lama cuman baru mod nulisnya :D )

--goal-- intinya adalah untuk mem- blok domain yang kita inginkan sehingga user tidak bisa meng- akses.

--peralatan-- peralatan yang perlu disiapkan antaralain :
- secangkir kopi
- cemilan apa aja ( rilex can be fun :D )
- http://dns-bh.sagadc.org/files/spywaredomains.zones
*sesuaikan letak file zone nya dengan file zone settingan anda
- bind sudah ter-install dengan baik di server(gateway). intinya, ready to use.

--1-- tambahkan pada file /etc/bind/named.conf.local
include "/etc/bind/spywaredomains.zones";
--2-- restart bind anda :
/etc/init.d/bind9 restart
--cek n jajal-- root@traficmng# nslookup facebook.com Server: 192.168.1.112 Address: 192.168.1.112#53 Name: facebook.com Address: 192.168.1.112 NB: - facebook.com sudah inputkan dalam file spywaredomains.zones.
- Uji coba pada kubuntu 10.04 :D


--saran-- bisa di gabung dengan crontab atau yang script lain, untuk penjad…

Set Up manual ip address in kubuntu

Do the following things to get kubuntu connection working :
1) Disable Network Manager: sudo update-rc.d -f NetworkManager remove sudo apt-get remove network-manage2) Edit /etc/network/interfaces: auto lo eth0 iface lo inet loopback iface eth0 inet static address 192.168.2.2 netmask 255.255.255.0 gateway 192.168.2.1 dns-domain 192.168.2.13) Edit /etc/resolv.conf: domain Home nameserver 192.168.2.14) Restart networking: sudo /etc/init.d/networking restartFinally, test it with your own risk :D

source : ubuntu forum