IT-4614/IT CentOS 7.7 installation

Obtaining CentOS 7.7

Get the boot.iso file and burn it on a CD-R or create a bootable USB key with it. The md5 sum for the file is a4e58f81fed0a4762a7d7abc936d74ed.

Installing CentOS 7.7

Booting up the above mentioned ISO file will start a graphical installer:

1. Welcome to CERN CentOS 7: Select English and English (United States)
2. Localization/Date & Time: Select Europe/Zurich timezone
3. Localization/Keyboard: Select English (US)
4. Localization/Language support: Select English (United States)
5. Software/Installation source: Set the installation source to http://linuxsoft.cern.ch/cern/centos/7/os/x86_64/
6. Software/Software selection: Select minimal install in the base environment. No add-on shall be selected at this point in time
7. System/Installation destination: Select the first solid-state-drive (/dev/sda) and leave the second one unused. Configure the partitioning as described here
8. System/Kdump: Keep Kdump enabled
9. System/Network & Hostname: Configure the network to match your setup. Please note that Internet access is needed for the installation.
10. System/Security policy: No profile shall be selected
11. User settings/Root password: Set the root password and make sure to communicate it to CERN together with the tender bid
12. User settings/User creation: No additional user shall be created at this point in time
13. Complete the installation and reboot on it

Configuring CentOS 7.7

Once the new installation of CentOS 7.7 is over and the server has been rebooted on it, the system shall be configured as follows:

1. Login as root
2. Run yum update
3. Run yum group install "Development tools"
4. Run yum install compat-gcc-44-gfortran compat-libstdc++-33 glibc-devel.i686 libstdc++.i686 libstdc++-devel.i686 compat-libf2c-34 lapack sharutils dstat fio stress-ng
5. Reboot the server if a new kernel version has been deployed during the first yum update run.