CentOS 7.0.1406 Release: Key Features, Install Media & Known Issues
The article details the official CentOS 7.0.1406 64‑bit release announced on July 7, 2014, highlighting kernel upgrades, container support, default JDK, installation media options, verification steps, major changes, downgrade options, known issues, and where to obtain source code and ISO images.
Release Announcement
On July 7, 2014, the CentOS project released the first CentOS‑7 64‑bit version (7.0.1406). The update includes kernel 3.10.0, Linux container support, Open VMware Tools, OpenJDK‑7 as default JDK, in‑place upgrade from 6.5, ext4 and XFS LVM snapshots, systemd, firewalld, GRUB2, XFS as default filesystem, iSCSI and FCoE in kernel space, PTPv2 support, and 40 Gb Ethernet support.
1. Translation
The release notes are available in multiple languages.
2. Introduction
CentOS is an enterprise‑class Linux distribution derived from Red Hat’s publicly released source code. It follows Red Hat’s redistribution policy and aims for full binary compatibility with the upstream product, removing only trademarks and artwork.
3. Installation Media
Various installation images are provided. Choose the DVD image if unsure; it allows component selection. Live media with GNOME or KDE are available for testing, as well as a minimal “netinstall” image for network‑based installations and an “everything” image containing all packages.
4. Verify Downloaded Images
Before writing images to media, verify their SHA‑256 checksums.
5. Major Changes
Kernel upgraded to 3.10.0
Linux container support
Open VMware Tools and 3D graphics ready out of the box
OpenJDK‑7 as default JDK
In‑place upgrade from 6.5 to 7.0
ext4 and XFS LVM snapshots
Adoption of systemd, firewalld, and GRUB2
XFS as default filesystem
iSCSI and FCoE in kernel space
PTPv2 support
40 Gb Ethernet card support
6. Downgrade Capability
Not applicable – this is the first CentOS‑7 release.
7. Known Issues
NetworkManager may not enable Ethernet interfaces by default, requiring manual activation.
Installer requires at least 406 MB RAM; systems with less may crash. Minimum recommended memory is 512 MB.
UEFI installation on VirtualBox with encrypted filesystems may fail without kernel command‑line modifications.
Installation screen may be truncated on displays with resolution 800×600 or lower.
8. Fixed Issues
None in this release.
9. Components and Applications
Sections describing components modified, removed, or added by CentOS are provided in the full documentation.
10. Source Code
All source RPMs are available at git.centos.org and in the CentOS vault:
OS: http://vault.centos.org/centos/7.0.1406/os/Source/SPackages/
Updates: http://vault.centos.org/centos/7.0.1406/updates/Source/SPackages/
Extras: http://vault.centos.org/centos/7.0.1406/extras/Source/SPackages/
CentOSPlus: http://vault.centos.org/centos/7.0.1406/centosplus/Source/SPackages/
Chinese mirror: http://www.centoscn.com/CentosSoft/iso/2014/0708/3266.html
Signed-in readers can open the original source through BestHub's protected redirect.
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