have installed OpenBSD operating system but ports collection is missing at /usr/ports directory. How do I install ports from ftp / http site under OpenBSD?
ow do I use GNU wget FTP or HTTP client tool to download files from password protected web pages on Linux or Unix-like system? Is there a way to download a file using username and password from a config file?
How do I install Xcache opcode cacher for PHP 5 under RHEL / CentOS version 5.0 server?
Q. I’ve downloaded tar ball software but I don’t know how to compile the same? Can you provide the instructions for compiling a program?
A. Many new users find it difficult to compiling programs in Linux. Usually following steps are involved:
a] Download tar ball using wget
b] Untar tar ball using tar command
c] Compile program using make or configure command
d] Install software
Task: compiling program
Step # 1: Download program tar ball:
$ wget http://url-com/prog.tar.gz
Step # 2: Untar tar ball :
$ tar -zxvf prog.tar.gz
$ cd prog
Step # 3: Untar tar ball:
Install program (must be run as the root, login using su or use sudo):
$ sudo make install
$ su -
$ make install
Q. How do I install Multimedia Codecs for Ubuntu Linux? Can you suggest Multimedia Player for Ubuntu Linux?
A. The best way to install Multimedia Codecs under Ubuntu Linux is use Automatix2 software. Please see previous FAQ Howto: Install Mplayer under Ubuntu Linux
Quick installation: Automatix2
Open terminal and type the following command:
$ wget http://www.getautomatix.com/apt/dists/feisty/main/binary-i386/automatix2_1.1-4.12-7.04feisty_i386.deb
$ sudo dpkg -i automatix2_1.1-4.12-7.04feisty_i386.deb
Now Automatix2 can be run from terminal by typing the command:
Now install all required multimedia codecs and software.
Multimedia player for Ubuntu Linux
- Beep Media Player – Plays mp3 and other format
- Rhythmbox – An integrated music management application
- VLC Media Player
You can install above players and codecs using Automatix2 and Package manager which is located at System > Administrator > Synaptic Package Manager
Q. How do I install Oracle Database XE Server on my Ubuntu Linux desktop system?
A. An Oracle database consists of a collection of data managed by an Oracle database management system. You can download Oracle Database XE server for Debian, Mandriva, Novell, Red Hat and Ubuntu Linux distributions. First you need to get databases up and running in order to use Oracle. The Oracle database has had a reputation among new Linux users as difficult to install on Linux systems. Now Oracle Corporation has packaged recent versions for several popular Linux distributions in an attempt to minimize installation challenges beyond the level of technical expertise required to install a database server.
Make sure you have enough disk space and memory
If you have less than 1GB memory run the following commands to create swap space:
$ sudo dd if=/dev/zero of=/swpfs1 bs=1M count=1000
$ sudo mkswap /swpfs1
$ sudo swapon /swpfs1
Debian / Ubuntu Oracle installation
First modify /etc/apt/sources.list file:
$ sudo vi /etc/apt/sources.list
Append following line:
deb http://oss.oracle.com/debian unstable main non-free
Save and close the file. Next import GPG key:
$ wget http://oss.oracle.com/el4/RPM-GPG-KEY-oracle -O- | sudo apt-key add -
Update package database:
$ sudo apt-get update
Finally install Oracle:
$ sudo apt-get install oracle-xe
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
Use 'apt-get autoremove' to remove them.
The following extra packages will be installed:
The following NEW packages will be installed:
0 upgraded, 2 newly installed, 0 to remove and 2 not upgraded.
Need to get 221MB/221MB of archives.
After unpacking 405MB of additional disk space will be used.
Do you want to continue [Y/n]? y
Get:1 http://oss.oracle.com unstable/non-free oracle-xe 10.2.0.1-1.1 [221MB]
You must configure Oracle TCP/IP port and other parameters. Simply type the following command:
$ sudo /etc/init.d/oracle-xe configure
Oracle Database 10g Express Edition Configuration
This will configure on-boot properties of Oracle Database 10g Express
Edition. The following questions will determine whether the database should
be starting upon system boot, the ports it will use, and the passwords that
will be used for database accounts. Press to accept the defaults.
Ctrl-C will abort.
Specify the HTTP port that will be used for Oracle Application Express : [Enter key]
Specify a port that will be used for the database listener :[Enter key]
Specify a password to be used for database accounts. Note that the same
password will be used for SYS and SYSTEM. Oracle recommends the use of
different passwords for each database account. This can be done after
Confirm the password:secret
Do you want Oracle Database 10g Express Edition to be started on boot (y/n) [y]:y
Starting Oracle Net Listener...Done
Starting Oracle Database 10g Express Edition Instance...Done
Installation Completed Successfully.
To access the Database Home Page go to "http://127.0.0.1:8080/apex"
To access the Database Home Page go to http://127.0.0.1:8080/apex. Open a web browser and type url (you need to use username “system” and password setup earlier)