Yet another addition to the library of virtual machines offered by Linhost.info, this time it’s CentOS 4.7 Server compressed to a size of 286 MB and available via HTTP.
If you find any of the material on this site useful please take a moment to make a small donation.Tag Archive for 'CentOS'
Recently I noticed that for the first time CentOS was available in the form of a network installation. Which means instead of downloading the whole operating system only a small ISO (less than 8 MB) has to be downloaded which is enough to boot from and connect to the remote CentOS servers. No need to download 4 GB’s of data. It’s also the perfect solution for multiple internal deployments. The whole process may take around 30 to 40 minutes.
Remember the available architectures are i386 and x86_64.
CentOS mirror : http://mirror.centos.org/centos/5/isos/
After you burn the ISO in to a CD/DVD we can start the network installation.
Network installation
For the Installation Method choose HTTP to fetch the remaining packages from the CentOS servers.
Configure TCP/IP
We will start the installation by choosing DHCP in order to grab an IP from the local area network.
HTTP setup
Now we need to indicate where the CentOS files are located on the CentOS servers, provide the following information when asked.
Web site name : mirror.centos.org
CentOS directory : centos/5.2/os/i386
Press OK to start fetching the files from the internet.
Now let the magic begin.
The hard work is done, proceed to customise the CentOS installation like usual by selecting the packages you want install. This the best and most efficient way of installing CentOS.
If you find any of the material on this site useful please take a moment to make a small donation.First we need to become in order to issue the “setup” command.
[root@localhost ~]# setup
A text configuration page will appear, choose “Network configuration”.
Choose the intended interface that will be assigned the static IP.
Remove the star in “Use DHCP” option and start assigning the IP address, Netmask and Gateway address. After you are done choose “OK”.
After making the changes don’t forget to choose Quit instead of Cancel otherwise the changes will not be implemented.
The previous instruction should give you a working machine with a static IP, the only problem is that there is no working DNS to reach other domains in the internet. If you try to ping Google.com you will get an error, however if you Ping one of the many IP’s Google owns like 72.14.207.99 you will have successful packer transmission. To solve this issue we need to add DNS entry’s to the /etc/resolv.conf file.
Open /etc/resolv.conf with your favorite text editor and add the IP addresses for your DNS servers. In this example I added the IP addresses that belong to the OpenDNS service.
nameserver 208.67.222.222
nameserver 208.67.220.220
Another option is to add the IP address of your gateway (Router) and have it act as the intermediate for your ISP DNS servers.
Do not forget to restart your network service or just reboot the entire machine.
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