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To install CentOS 7 in a virtual machine you can use either the standard CentOS distribution CD or the boot floppy/network method. The following installation instructions are for standard distribution CD.For Minimal install and Virtualization Host environments, Open VMware Tools is not available during installation. After CentOS 7 installation, to install Open VMware Tools, using root privileges, run the command:
root# yum install open-vm-tools
If you need a quick self-signed certificate, you can generate the key/certificate pair, then sign it, all with one openssl line:
openssl req -new -newkey rsa:2048 -days 365 -nodes -x509 -keyout server.key -out server.crt
Output:
root~#:/tmp/ssl$ openssl req -new -newkey rsa:2048 -days 365 -nodes -x5 09 -keyout server.key -out server.crt
Generating a 2048 bit RSA private key
…………………………………………………………………….. …………………………………………………………………….. …………………….+++
…..+++
writing new private key to ‘server.key’
—–
You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter ‘.’, the field will be left blank.
—–
Country Name (2 letter code) [AU]:IE
State or Province Name (full name) [Some-State]:Dublin
Locality Name (eg, city) []:Dublin
Organization Name (eg, company) [Internet Widgits Pty Ltd]:Internet 4network Ltd
Organizational Unit Name (eg, section) []:
Common Name (e.g. server FQDN or YOUR name) []:dump.4network.eu
Email Address []:
root~#:/tmp/ssl$ l
total 16
drwxr-xr-x 2 root root 4096 Jul 1 17:18 .
drwxrwxrwt 10 root root 4096 Jul 1 17:17 ..
-rw-r–r– 1 root root 1326 Jul 1 17:18 server.crt
-rw-r–r– 1 root root 1704 Jul 1 17:18 server.key
root~#:/tmp/ssl$
Follow these steps to install the Guest Additions on your Debian virtual machine:
1. The APT package index is essentially a database of available packages from the repositories defined in the /etc/apt/sources.list file and in the /etc/apt/sources.list.d directory. To update the local package index with the latest changes made in the repositories, type the following: apt-get update and the install the latest security updates, over time, updated versions of packages currently installed on your computer may become available from the package repositories (for example security updates). To upgrade your system, first update your package index as outlined above, and then type: apt-get upgrade
2. Install required packages: apt-get install build-essential module-assistant;
3. Configure your system for building kernel modules by running m-a prepare;
4. And run as root: sh /media/cdrom/VBoxLinuxAdditions.run and follow the instructions on screen.