After three weeks of continuous testing, CentOS project team finally on Mon July 7the 2014 released CentOS Linux 7 for 64 bit x86 compatible systems. This is the first major release for CentOS 7 and actual version is 7.0-1406.
Free download CentOS Linux 6 - 64 bit ISO and CentOS 6 DVD, 32 bit CentOS 6 download, CentOS 6 ISO images directly from FTP / HTTP / BitTorrent mirror websites. All downloads on the Download Red Hat Enterprise Linux page are provided with their checksums for reference: $ sha256sum rhel-server-7.0-x86_64-dvd.iso 85a.46c rhel-server-7.0-x86_64-dvd.iso Similar tools are available for Microsoft Windows and Mac OS X.
This newly released CentOS 7.0 is an Enterprise-class Linux Distribution built from sources and freely maintained to the public by Red Hat. This release is based on upstream release of EL7 (Enterprise Linux 7) and most of the packages have been built from source and updated to more recent versions.
There are countless fundamental changes in this major release, compared to earlier versions of CentOS. Notably the involvement of Gnome3, systemd, and a default XFS filesystem.
CentOS 7 Major Changes
Following are the more notable changes are included in this release are:
- Updated Kernel to 3.10.0
- Added support for Linux Containers
- Open VMware Tools & 3D graphics drivers out of the box
- OpenJDK-7 as default JDK
- Upgrade from 6.5 to 7.0 using preupg command
- LVM-snapshots with ext4 and XFS
- Switch to grub2, systemd and firewalld
- Default XFS file system
- iSCSI and FCoE in kernel space
- Support for PTPv2
- Support for 40G Ethernet Cards
- Supports installations in UEFI (Unified Extensible Firmware Interface) Secure Boot form on compatible hardware
Before you go for CentOS 7.0 after CentOS 6.x, I suggest you to consider following things, because many of things have been changed in this release.
- grub is now replaced with grub2
- init is now replaced with systemd
- Difficultly in understanding and editing grub.conf (grub2)
- Difficultly in understanding /etc/init.d
- No more text log files for system log (journalctl instead)
- No more ext4 filesystem, added XFS as default filesystem
- CentOS 6.x will be supported until 2020
Download CentOS 7.0 – Torrent Links
Following are the torrent download links to CentOS 7 iso images, you may need a Linux torrent client to download them.
- CentOS-7.0-1406-x86_64-DVD.iso – [Size: 3.8GB]
- CentOS-7.0-1406-x86_64-Everything.iso – [Size: 6.5GB]
- CentOS-7.0-1406-x86_64-GnomeLive.iso – [Size: 1.3GB]
- CentOS-7.0-1406-x86_64-KdeLive.iso – [Size: 1.2GB]
- CentOS-7.0-1406-x86_64-livecd.iso – [Size: 687MB]
- CentOS-7.0-1406-x86_64-NetInstall.iso – [Size 362MB]
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If you looking to install a fresh copy of CentOS 7, then follow the below article that describes a step-by-step guide on how to install CentOS 7 with screenshots.
For those, who are looking to upgrade from CentOS 6.x to CentOS 7, there is a supported upgrade only from latest CentOS 6.5 version (at the time of writing this article) to the latest release of CentOS 7. The tool which is going to use for upgrade process is called Preupgrade Assistant (preupg) command which is still under development testing and will be released at a later time, but there is no any estimated time at the moment.
Once, the upgrade tool is released by the CentOS community, will provide a complete step-by-step guide on how to upgrade from CentOS 6.5 to CentOS 7 version. Till then stay tuned for the updates.
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Install RHEL 6.7 and 7.2 OS Using Local or Remote Media
This procedure describes how to boot the Red Hat Enterprise Linux (RHEL) 6.7 or 7.2 operating system installation from local or remote media. The procedure assumes that you are booting the RHEL installation media from one of the following sources:
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- RHEL 6.7 or 7.2 DVD set (internal or external DVD)
- RHEL 6.7 or 7.2 ISO DVD image
If you are booting the installation media from a PXE environment, see Install RHEL 6.7 or 7.2 OS Using PXE Network Boot for instructions.
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For further details about installing a RHEL OS, see the RHEL documentation collection at https://access.redhat.com/documentation/en/.
- Ensure that the install media is available to boot.
- For Distribution DVD, insert the Red Hat 6.7 or 7.2 distribution media boot DVD into the local or remote USB DVD drive.
- For ISO image, ensure that the Red Hat 6.7 or 7.2 ISO image is available and that the ISO image has been mounted in the Oracle ILOM Remote System Console Plus application using the KVMS menu.
For additional information about how to set up the installation media, see Selecting the Boot Media Option. - Reset or power on the server.For example, to reset the server, do one of the following:
- From the local server, press the Power button on the front panel of the server (for approximately 1 second) to turn the server off, then press the Power button again to power on the server.
- From the Oracle ILOM web interface, click Host Management → Power Control, select Reset from the Select Action list box, then click Save.
- From the Oracle ILOM CLI, type: reset /System
The server begins the boot process and the BIOS screen appears.Note - The next event occurs very quickly; be ready to press the F8 key. Watch carefully for messages as they appear on the screen for a brief time. You might want to enlarge the size of your screen to eliminate scroll bars. - In the BIOS screen, press the F8 key to specify a temporary boot device for the RHEL installation. [Boot Pop Up Menu Selected] appears at the bottom of the BIOS screen, and then the Please Select Boot Device menu appears. The screen that appears will differ depending on whether you have the UEFI/BIOS Boot Mode configured for Legacy BIOS or UEFI.
- For Legacy BIOS Boot Mode, a screen similar to the following appears:
- For UEFI Boot Mode, a screen similar to the following appears:
Note - The Please Select Boot Device menu that appears in your installation might differ depending on the type of disk controller and other hardware, such as PCIe network cards, installed in your server. - In the Please Select Boot Device menu, select either the internal, external, or virtual DVD device as the first boot device, then press Enter.After a few seconds, the splash screen for the RHEL installation appears. The bottom half of the splash screen lists instructions, function keys, and the boot prompt.
- In the Red Hat Enterprise Linux splash screen, click Next to continue the normal user interactive installation.Alternately, for text mode, enter the following command:
- Continue the basic Red Hat installation setup by following the on-screen instructions and the Red Hat documentation.For detailed installation instructions, see the Red Hat Enterprise Linux Installation Guides at:
- After completing the basic Red Hat installation setup, perform the post installation tasks listed inPost Installation Tasks for RHEL 6.7 or 7.2 OS.