Sekilas training

High Availability Fail Over Clustering.
8 s/d 11 November 2011.. Bajau, Tebet.
Banyak hal baru dan pendalaman pelajaran dari Linux sebelumnya.
Terima kasih kepada Bpk Didieb dan rekan2 di Bajau.

Ketika hobby dan pekerjaan menjadi satu, ini adalah suatu hal yang amazing.

Materi yang dipelajari :
1. Linux HA V1
2. Linux HA V2
3. Redhat Cluster Suite
4. GFS
5. OCFS
6. Virtual Storage

Setup Virtualized dan Clone di Xen Centos

Setup Dom-0
1. Copykan 1 DVD file Centos 5.3 ke /var/ftp/pub/centos
2. Jalankan service ftp server
3. Jalankan service virt-manager
4. System Name : test
4. Plih Paravirtualized
5. Install Media URL : ftp://192.168.168.168/pub/centos
6. Untuk Networking pilih Shared physical device Device : peth0 (Bridge xenbr0)
7. Virtual Machine akan booting ke ftp, pada Configure TCP/IP Pilih Dynamic IP)

Clone VM
1. virt-clone -o test -n test2 -f /xen/images/test2
test = source, test2 destination
2. Jalankan VM via Virtual Manager

Backup & Restore Database Mysql
A. Backup di Server Source
1. mysqldump -u root -p helpdesk > helpdesk.sql

B. Restore di Server Destination (VM test)
1. Buat root password mysql
mysqladmin -u root password newpassword
2. Buat Database helpdesk
mysql -u root -p
mysql> create database helpdesk;
mysql> quit
3. Restore database
mysql -u root -p helpdesk < helpdesk.sql

Directory Service Centos 5.3

Centos "Community Enterprise Operating Sistem Source" merupakan Sistem Open Source yang identik dengan RedHat. Sistem Operasi tersebut 100% free dengan dukungan komunitas.

Saya coba testing Centos sebagai Directory Service.
Persiapan :
Acer Aspire Intel Dual Core E5200, Mem 1 GB
1. Install Centos 5.3.
Setelah install saya coba untuk aplikasikan Xen Paravirtualized
2. cd /etc/yum.repos.d/
wget http://dev.centos.org/centos/5/CentOS-Testing.repo
3. Edit file repo
masukkan : exclude=java-1.7.0-icedtea
4. yum --enablerepo=c5-testing install centos-ds

Ternyata banyak terdapat error
download dan install manual
- http://ftp.yandex.ru/asplinux/x86_64/updates/12.1/i386/mod_nss-1.0.3-7.el5_3.1.asp121.i386.rpm
- http://centos.biz.net.id/5.3/extras/SRPMS/jss-4.2.5-1.el5.centos.1.src.rpm

5. rpm -ivh mod_nss-1.0.3-7.el5_3.1.asp121.i386.rpm
6. rpmbuild --rebuild jss-4.2.5-1.el5.centos.1.src.rpm
rpm -ivh /usr/src/redhat/RPMS/i386/jss-4.2.5-1.1.i386.rpm
7. rpm -ivh /usr/src/redhat/RPMS/i386/jss-debuginfo-4.2.5-1.1.i386.rpm
8. yum install centos-ds
9. Jika berhasil
Dependencies Resolved

================================================================================
Package Arch Version Repository
Size
================================================================================
Installing:
centos-ds i386 8.1.0-1.el5.centos.2 extras 3.4 k
Installing for dependencies:
adminutil i386 1.1.8-2.el5.centos.0 extras 68 k
antlr i386 2.7.6-4jpp.2 base 978 k
centos-admin-console noarch 8.1.0-2.el5.centos.2 extras 222 k
centos-ds-admin i386 8.1.0-9.el5.centos.1 extras 364 k
centos-ds-base i386 8.1.0-0.14.el5.centos.2 extras 1.7 M
centos-ds-console noarch 8.1.0-5.el5.centos.2 extras 1.4 M
centos-idm-console i386 1.0.1-1.el5.centos.2 extras 74 k
cyrus-sasl-gssapi i386 2.1.22-4 base 28 k
cyrus-sasl-md5 i386 2.1.22-4 base 45 k
db4-utils i386 4.3.29-9.fc6 base 119 k
gjdoc i386 0.7.7-12.el5 base 793 k
idm-console-framework noarch 1.1.3-9.el5.centos.2 extras 1.0 M
java-1.4.2-gcj-compat i386 1.4.2.0-40jpp.115 base 29 k
ldapjdk i386 4.18-2jpp.3.el5 base 782 k
libgcj i386 4.1.2-44.el5 base 17 M
lm_sensors i386 2.10.7-4.el5 base 513 k
mozldap i386 6.0.5-1.el5 base 132 k
mozldap-tools i386 6.0.5-1.el5 base 139 k
perl-Mozilla-LDAP i386 1.5.2-4.el5 base 181 k
svrcore i386 4.0.4-3.el5 base 14 k

Transaction Summary
================================================================================
Install 21 Package(s)
Update 0 Package(s)
Remove 0 Package(s)

Total size: 25 M
Is this ok [y/N]: y
Downloading Packages:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
Installing : libgcj [ 1/21]
Installing : svrcore [ 2/21]
Installing : mozldap [ 3/21]
Installing : perl-Mozilla-LDAP [ 4/21]
Installing : mozldap-tools [ 5/21]
Installing : adminutil [ 6/21]
Installing : cyrus-sasl-gssapi [ 7/21]
Installing : db4-utils [ 8/21]
Installing : lm_sensors [ 9/21]
Installing : cyrus-sasl-md5 [10/21]
Installing : centos-ds-base [11/21]
Installing : centos-ds-admin [12/21]
Installing : centos-admin-console [13/21]
Installing : centos-ds-console [14/21]
Installing : java-1.4.2-gcj-compat [15/21]
Installing : antlr [16/21]
Installing : ldapjdk [17/21]
Installing : gjdoc [18/21]
Installing : idm-console-framework [19/21]
Installing : centos-idm-console [20/21]
Installing : centos-ds [21/21]

Installed: centos-ds.i386 0:8.1.0-1.el5.centos.2
Dependency Installed: adminutil.i386 0:1.1.8-2.el5.centos.0 antlr.i386 0:2.7.6-4jpp.2 centos-admin-console.noarch 0:8.1.0-2.el5.centos.2 centos-ds-admin.i386 0:8.1.0-9.el5.centos.1 centos-ds-base.i386 0:8.1.0-0.14.el5.centos.2 centos-ds-console.noarch 0:8.1.0-5.el5.centos.2 centos-idm-console.i386 0:1.0.1-1.el5.centos.2 cyrus-sasl-gssapi.i386 0:2.1.22-4 cyrus-sasl-md5.i386 0:2.1.22-4 db4-utils.i386 0:4.3.29-9.fc6 gjdoc.i386 0:0.7.7-12.el5 idm-console-framework.noarch 0:1.1.3-9.el5.centos.2 java-1.4.2-gcj-compat.i386 0:1.4.2.0-40jpp.115 ldapjdk.i386 0:4.18-2jpp.3.el5 libgcj.i386 0:4.1.2-44.el5 lm_sensors.i386 0:2.10.7-4.el5 mozldap.i386 0:6.0.5-1.el5 mozldap-tools.i386 0:6.0.5-1.el5 perl-Mozilla-LDAP.i386 0:1.5.2-4.el5 svrcore.i386 0:4.0.4-3.el5
Complete!


10.mv /usr/bin/java /usr/bin/old_java

11. mv /usr/bin/javaws /usr/bin/old_javaws

12. export PATH=$PATH:/usr/lib/jvm/java-1.6.0-openjdk-1.6.0.0/jre/bin

13. setup-ds-admin.pl

Choose from the three options:

1. Express

2. Typical

3. Custom

Ikuti petunjuknya, default pilh 2

14. Jalankan service

/etc/init.d/dirsrv & dirsrv-admin

15. Jalankan console

centos-idm-console -a http://localhost:9830

Dokumen pendukung :
http://www.howtoforge.com/centos-directory-server-on-centos5.2
http://directory.fedoraproject.org/wiki/Release_Notes
http://ponsaelius.blogspot.com/2008/01/installing-and-configuring-fedora.html