5redhat.com Technology overview What’s new in Red Hat Enterprise Linux 7
Every part of GNOME 3 has been designed with simplicity and ease-of-use in mind. Activities
Overview gives an easy way to access all your basic tasks. A press of a button is all it takes to view
your open windows, launch applications, or check if you have new messages
GNOME 3 integrates well with online document-storage services, calendars, and contact lists, so all
your data can be accessed from the same place.
GNOME Classic combines old and new; it keeps the familiar look and feel of GNOME 2, but adds the
powerful new features and 3-D capabilities of GNOME Shell.
In addition to GNOME 3 and GNOME Classic, Red Hat Enterprise Linux 7 beta offers the version 4 of
the KDE desktop, the latest stable version of this popular desktop.
manaGement
SYSTEM-WIDE RESOURCE MANAGEMENT
Systemd, a system and service manager for Linux, is compatible with SysV and LSB init scripts and
can work as a drop-in replacement for sysvinit, as it is backward-compatible with sysvinit scripts.
Systemd, now included in Red Hat Enterprise Linux 7 beta:
•Provides aggressive parallelization capabilities.
•Uses socket and D-Bus activation for starting services.
•Offers on-demand starting of daemons.
•Keeps track of processes using Linux cgroups.
•Supports creating snapshots and restoring system state.
•Maintains mount and automount points.
•Implements ne-grained transactional, dependency-based, service control logic.
OPENLMI
The OpenLMI project provides a common infrastructure for the remote management of Linux
systems. Capabilities include conguration, management, and monitoring of hardware, operat-
ing systems, and system services. OpenLMI includes a set of services that can be accessed both
locally and remotely, multiple language bindings, standard APIs, and standard scripting interfaces.
It enables system administrators to manage more systems, automate management operations, and
manage both physical and virtual servers. The standardized tool interface shortens the learning
curve for new administrators and the standard APIs make it easier to build custom tools.
Storage management capabilities simplify conguring and managing storage, especially on systems
with multiple drives. A traditional issue on Linux systems is that volume labels can change when
hardware is recongured. OpenLMI avoids this problem by allowing you to address volumes by
volume label, UUID, or Device ID. The combination of a standardized API and persistent device
names makes it easy to keep storage consistent, even when hardware and software change.
OpenLMI enables remote network management by providing a standardized API to query and con-
gure the network hardware. In addition to standard network conguration, it supports conguring
network bridging and bonding and provides notication of changes in network conguration.
OpenLMI is a common
infrastructure for automating
system management operations
across physical and
virtual deployments.
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