Linux Software Installation Method

Linux Package Installation
The most common ways of geeting packages are by manually using FTP or a web browser.
Common download sites are:--
Redhat :--- http://www.redhat.com/
http://www.rpmfind.net/
Fedora :--- ftp://download.fedora.redhat.com/pub/fedora/linux/core/
http://download.fedora.redhat.com/pub/fedora/linux/core/

Automated Package Download
Fedora use YUM utilities for automated download and update.
Getting Software using :--- wget
wget command can be used to download files quickly when you already know the URL at which the RPM is located. for example look below:--
[root@raman home]# wget http://linux.stanford.edu/pub/mirrors/fedora/linux/core/2/i386/os/Fedora/RPMS/dhcp-3.0pl2-6.16.i386.rpm
--17:38:36-- ftp://linux.stanford.edu/pub/mirrors/fedora/linux/core/2/i386/os/Fedora/RPMS/dhcp-3.0pl2-6.16.i386.rpm
=> `dhcp-3.0pl2-6.16.i386.rpm.5'
Resolving linux.stanford.edu... done.
Connecting to linux.stanford.edu[171.66.2.18]:21... connected.
Logging in as anonymous ... Logged in!
==> SYST ... done. ==> PWD ... done.
==> TYPE I ... done. ==> CWD /pub/mirrors/fedora/linux/core/2/i386/os/Fedora/RPMS ... done.
==> PASV ... done. ==> RETR dhcp-3.0pl2-6.16.i386.rpm ... done.
Length: 529,890 (unauthoritative)

100%[===============================>] 529,890 889.12K/s ETA 00:00

17:38:36 (889.12 KB/s) - `dhcp-3.0pl2-6.16.i386.rpm.5' saved [529890]

How to Install Source RPMs

download your desired RPM:--
[root@ raman home]# rpm -ivh ******-3.23.58-9.i386.rpm
How to List Installed RPMs
[root@ raman home]# rpm -qa (packages-name)

Uninstalling RPMs
[root@ raman home]# rpm -e (packages-name)

Installing Software Using tar
[root@raman home]# tar -xvzf linux-software-1.3.1.tar.gz
[root@raman home]# cd linux-software-1.3.1
Use the cd command to enter the subdirectory and follow the directions listed in the INSTALL and README files

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How Linux Machine boot

How Linux Machine boot.
1) The boot loader find the kernal image on the disk,load it into memory and start it.
2)The kernal initialize the device and its drivers.
3)The kernal mount the root file systems.
4)The kernal starts a program called init.
5)init set the rest of the process in motion
6)The last process that init start as part of the boot sequence allow u to log in.

Linux NetworkingHow Change your ip Address
[root@raman home]# ifconfig eth0 192.168.1.1 netmask 255.255.255.0 up(up end the command activate your lan card).
The Configuration file located in /etc/sysconfig/network-scripts/ifcfg-eth0entry like this:--
[root@raman ~]# cat /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0
ONBOOT=yes
BOOTPROTO=static
IPADDR=192.168.1.1
NETMASK=255.255.255.0
GATEWAY=192.168.1.3

Dns entry file located in /etc/resolve.conf
entry like this:-
[root@raman ~]# cat /etc/resolv.conf
nameserver 192.168.1.3
nameserver 192.168.1.4

How you diable or enable your Lan card.
[root@raman home]# ifdown eth0
ifdown command disable your lan card.

[root@raman home]# ifup eth0
ifup command up yours lan card.

How you see your routing tables.
[root@raman ~]# route -n

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Diffrence between Linux and Fedora

What is Linux.
Linux is the core or kernal of a free operating systems.
What is Fedora
Fedora is an operating systems based on the Linux kernal,created,improved and distributed by the Fedora Project at http://fedora.redhat.com.

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