This chapter lists content changes for this document.
This manual was updated on the following dates:
Section A.1, “October 2016 (Initial Release of SUSE Linux Enterprise Desktop 12 SP2)”
Section A.2, “March 2016 (Maintenance Release of SUSE Linux Enterprise Desktop 12 SP1)”
Section A.3, “December 2015 (Initial Release of SUSE Linux Enterprise Desktop 12 SP1)”
Section A.4, “February 2015 (Documentation Maintenance Update)”
Section A.5, “October 2014 (Initial Release of SUSE Linux Enterprise Desktop 12)”
Added Section 2.1.2, “dstat” (Fate #319795).
Added Section 2.2.3, “Processor Frequency Monitoring: turbostat” (Fate #319182).
Removed references to faillog, which is no longer shipped with SUSE Linux Enterprise Desktop.
Adjusted permissions (Section 4.1.3, “Commands and Privileges”, https://bugzilla.suse.com/show_bug.cgi?id=992981).
Corrected the values required for
/proc/sys/kernel/numa_balancing (https://bugzilla.suse.com/show_bug.cgi?id=986834).
Added the tip Excluding Unused and Inactive CCW Devices on IBM z Systems to Chapter 17, Kexec and Kdump (https://bugzilla.suse.com/show_bug.cgi?id=990024).
Documented parameter slice_idle and group_idle (https://bugzilla.suse.com/show_bug.cgi?id=958461).
SMT Guide is now part of the documentation for SUSE Linux Enterprise Desktop.
Add-ons provided by SUSE have been renamed as modules and extensions. The manuals have been updated to reflect this change.
Numerous small fixes and additions to the documentation, based on technical feedback.
The registration service has been changed from Novell Customer Center to SUSE Customer Center.
In YaST, you will now reach via the group. is gone (https://bugzilla.suse.com/show_bug.cgi?id=867809).
Added Section 2.5.2, “
Show the Network Usage of Processes: nethogs
” (Fate #313501).
Added Perf chapter, including introductory information about Instruction-Based Sampling (IBS) (Fate #315868).
Added PTP chapter (Fate #316795).
Removed obsolete acpid.service (https://bugzilla.suse.com/show_bug.cgi?id=918655).
Section 2.4.2, “Detailed Memory Usage: /proc/meminfo”: Expanded information on
/proc/meminfo
(https://bugzilla.suse.com/show_bug.cgi?id=926521).
Chapter 9, Kernel Control Groups: General Update (Fate #312101 and https://bugzilla.suse.com/show_bug.cgi?id=897313).
Section 12.2.2, “NOOP”: Added recommendation
for NOOP in multipathing
environments (Fate #319091).
Section 17.4, “Calculating crashkernel Allocation Size”: Updated
crashkernel allocation recommendations
(https://bugzilla.suse.com/show_bug.cgi?id=948565
and
https://bugzilla.suse.com/show_bug.cgi?id=948954).
Section 12.2, “Available I/O Elevators”: Increasing individual thread throughput using CFQ on SLE 12 (https://bugzilla.suse.com/show_bug.cgi?id=907506).
Section 14.3.2, “Writeback Parameters”: Important difference in timing of I/O writes in SLE 12 (https://bugzilla.suse.com/show_bug.cgi?id=907504).
Removed all KDE documentation and references because KDE is no longer shipped.
Removed all references to SuSEconfig, which is no longer supported (Fate #100011).
Move from System V init to systemd (Fate #310421). Updated affected parts of the documentation.
YaST Runlevel Editor has changed to Services Manager (Fate #312568). Updated affected parts of the documentation.
Removed all references to ISDN support, as ISDN support has been removed (Fate #314594).
Removed all references to the YaST DSL module as it is no longer shipped (Fate #316264).
Removed all references to the YaST Modem module as it is no longer shipped (Fate #316264).
Btrfs has become the default file system for the root partition (Fate #315901). Updated affected parts of the documentation.
The dmesg now provides human-readable time stamps in
ctime()-like format (Fate #316056). Updated affected
parts of the documentation.
syslog and syslog-ng have been replaced by rsyslog (Fate #316175). Updated affected parts of the documentation.
MariaDB is now shipped as the relational database instead of MySQL (Fate #313595). Updated affected parts of the documentation.
SUSE-related products are no longer available from http://download.novell.com but from http://download.suse.com. Adjusted links accordingly.
Novell Customer Center has been replaced with SUSE Customer Center. Updated affected parts of the documentation.
/var/run is mounted as tmpfs (Fate #303793). Updated
affected parts of the documentation.
The following architectures are no longer supported: IA64 and x86. Updated affected parts of the documentation.
The traditional method for setting up the network with
ifconfig has been replaced by
wicked. Updated affected parts of the
documentation.
A lot of networking commands are deprecated and have been replaced by
newer commands (usually ip). Updated affected parts of
the documentation.
arp: ip neighbor
|
ifconfig: ip addr, ip
link
|
iptunnel: ip tunnel
|
iwconfig: iw
|
nameif: ip link,
ifrename
|
netstat: ss,
ip route,
ip -s link,
ip maddr
|
route: ip route
|
Numerous small fixes and additions to the documentation, based on technical feedback.
Updated command outputs with samples produced with SUSE Linux Enterprise 12.
Corrected the description of si,
so and in in
Section 2.1.1, “vmstat”.
Corrected the explanation for majflt and
the statement about spreading I/O requests over multiple disks in
Section 2.1.3.1, “Generating reports with sar”.
Replaced deprecated tools ifconfig and
netstat with ip,
ethtool and ss in
Section 2.5, “Networking”.
Added documentation about sysctl to
Section 2.6.2, “System Control Parameters: /proc/sys/”.
Added the section Section 2.7.3, “MCELog: Machine Check Exceptions (MCE)”.
Added details on /usr/bin/time to
Section 2.10.1, “Time Measurement with time”.
Added a link to the example scripts Web page to Section 4.1.1, “SystemTap Scripts”.
Corrected statements on the effects of sampling rates in Section 7.4.2, “Getting Event Configurations”.
New chapter.
Removed section about the outdated O1 task
scheduler.
Clarified kernel variables in Section 14.1.5, “Writeback”.
Added detailed descriptions on tunable parameters to Section 14.3.2, “Writeback Parameters”.
Added a tip on sharing the dump directory in Section 17.7.2, “YaST Configuration” (Fate #313185).
Added a tip on identifying a Kernel crash dump with
kdumpid (Fate #312855) to
Section 17.8, “Analyzing the Crash Dump”.
Chapter Monitoring with Nagios has been removed from Part II, “System Monitoring” (Fate #316136), because Nagios is no longer shipped on SUSE Linux Enterprise 12.
Chapter Perf mon2—Hardware-Based Performance Monitoring has been removed from Part III, “Kernel Monitoring”, because perfmon2 is no longer shipped on SUSE Linux Enterprise 12.
Removed notes about zone_reclaim_mode in
Chapter 14, Tuning the Memory Management Subsystem
(https://bugzilla.suse.com/show_bug.cgi?id=874971).