Saturday, November 20, 2010

DNS Bind on Red Hat Linux Enterprise 5

#yum -y install bind-9.x.x.x
#cd /usr/share/doc/bind-9.3.6/sample/etc
#cp -v * /etc/
#cd /usr/share/doc/bind-9.3.6/sample/var/named
#cp -rv * /var/named/
#service named start (result will be FAILED)
#vim /etc/named.conf (Please delete from line "// All BIND 9 zones are in a "view", which allow different zones to be served") And your named.conf will look like below:


//
// Sample named.conf BIND DNS server 'named' configuration file
// for the Red Hat BIND distribution.
//
// See the BIND Administrator's Reference Manual (ARM) for details, in:
//   file:///usr/share/doc/bind-*/arm/Bv9ARM.html
// Also see the BIND Configuration GUI : /usr/bin/system-config-bind and
// its manual.
//
options
{
        // Those options should be used carefully because they disable port
        // randomization
        // query-source    port 53;
        // query-source-v6 port 53;

        // Put files that named is allowed to write in the data/ directory:
        directory "/var/named"; // the default
        dump-file               "data/cache_dump.db";
        statistics-file         "data/named_stats.txt";
        memstatistics-file      "data/named_mem_stats.txt";

};
logging
{
/*      If you want to enable debugging, eg. using the 'rndc trace' command,
 *      named will try to write the 'named.run' file in the $directory (/var/named).
 *      By default, SELinux policy does not allow named to modify the /var/named directory,
 *      so put the default debug log file in data/ :
 */
        channel default_debug {
                file "data/named.run";
                severity dynamic;
        };
};
#service named start     ( [ OK ] )

Monday, November 15, 2010

Khmer Unicode on SQL Server

1- How to Insert khmer unicode into Sql Server?
ជាធម្មតាយើងមិនអាចបញ្ចូលអក្សរខ្មែរនៅក្នុង SQL Server បានទេ លុះត្រាតែយើង Install Khmer Unicode ជាមុនសិន​ សូមមើលរបៀបបញ្ចូល​ Khmer Unicode។ បន្ទាប់មកសូមសាកល្បងបញ្ចូលទិន្នន័យជាភាសាខ្មែរក្នុង SQL Server ដោយប្រើ SQL Command "INSERT INTO tblUnicode VALUES('១','អក្សរខ្មែរ')"។ (សូមមើលរូប)
បន្ទាប់មកសូមចុចលើ !Execute Button អ្នកនឹងទទួលបាន Messages ដូចក្នុងរូប(1 row(s) affected)​ នោះមានន័យថា ការបញ្ចូលទិន្នន័យជាអក្សរខ្មែរទៅក្នុងSQL Server បានសំរេចហើយ។ បន្ទាប់មកទៀតសូមបើកTable(tblUnicode) ជាទំរង់ នោះយើងនឹងឃើញទិន្នន័យដែលបានបញ្ចូលមានលក្ខណៈជាសញ្ញាសួរ(????????)។
ដូច្នេះដើម្បីអោយយើងអាចមើលជាទំរង់អក្សរខ្មែរបាន នោះយើងគ្រាន់តែបន្ថែមអក្សរ "N" នៅពីមុខតំលៃដែលបញ្ចូលដោយSQL Command​ គឺ "INSERT INTO tblUnicode VALUES(N'១',N'អក្សរខ្មែរ')" រួចសូមបើក Table(tblUnicode) មើលម្តងទៀត​ យើងនឹងទទួលលទ្ធផលជាអក្សរខ្មែរដែលអាចមើល និងអានបាន។







២- To select record from sql server ដោយ Sql command គឺ SELECT * FROM tblunicode WHERE [ID]=N'២' 

good luck!

Thursday, November 11, 2010

USB boot with Hiren

1-format your usb (download).
2-using Grub4Dos Installer.
Exact and Open file(grubinst_gui.exe)
then the dialog below will be open and please follow the figure
then Please press any to continue
3-Copy files(grldr, menu.lst) from Grub4Dos to your usb drive.
4-Insert your CD Hiren(10.1 or new) and copy all files from Hiren CD to your usb drive.
5-Test your usb boot hiren.
END

Saturday, November 6, 2010

Configuration Yum on Red Hat Linux Enterprise 5

Installing and running web server (httpd)
Checking web  server service
# ps  ax  |grep   http
If the httpd service is not running please install
#yum -y install httpd*
Starting web  server service
#service  httpd start
Build the repository
# mkdir  /var/www/html/yum
Getting packages to repository
Mounting CD/DVD RHEL
Copying RPM packages from CD/DVD to yum repository
#cp  -v  /media/RHEL/RPMS/*   /var/www/html/yum
installing createrepo
Installing createrepo package
Checking its package
# rpm  -qa  |grep createrepo
If doesn’t have : install # rpm –ivh  createrepo.x.x.x.rpm
Running createrepo tool to repository directory
Createing meta-data to repository directory
# createrepo  /var/www/html/yum
You can see:
-rw-r--r-- 1 root root 2227275 2010-02-18 11:51 filelists.xml.gz
-rw-r--r-- 1 root root 6487453 2010-02-18 11:51 other.xml.gz
-rw-r--r-- 1 root root 747714 2010-02-18 11:51 primary.xml.gz
-rw-r--r-- 1 root root 951 2010-02-18 11:51 repomd.xml

Configure yum client
Editing file: /etc/yum.conf  Or  /etc/yum.repos.d/*
[base-local]
name=RHEL $releasever - $basearch failover
method=priority
baseurl=http://192.168.74.100/yum/
enabled=1
gpgcheck=0