A Documentation Updates #
This chapter lists content changes for this document.
This manual was updated on the following dates:
Section A.2, “September 2017 (Initial Release of SUSE Linux Enterprise Server 12 SP3)”
Section A.3, “November 2016 (Initial Release of SUSE Linux Enterprise Server 12 SP2)”
Section A.4, “March 2016 (Documentation Maintenance Update for SUSE Linux Enterprise Server 12 SP1)”
Section A.5, “December 2015 (Initial Release of SUSE Linux Enterprise Server 12 SP1)”
Section A.6, “February 2015 (Documentation Maintenance Update)”
Section A.7, “October 2014 (Initial Release of SUSE Linux Enterprise Server 12)”
A.1 October 2018 (Documentation Maintenance Update for SUSE Linux Enterprise Server 12 SP3) #
- General Changes to the Documentation
Improved consistency of Docker terminology throughout the documentation. This includes renaming a guide to Docker Open Source Engine Guide.
- Chapter 10, Automatic Non-Uniform Memory Access (NUMA) Balancing
Corrected the syntax for enabling/disabling NUMA Balancing (https://bugzilla.suse.com/show_bug.cgi?id=1070091).
- Chapter 17, Kexec and Kdump
Updated a procedure in Section 17.5, “Basic Kexec Usage” (https://bugzilla.suse.com/show_bug.cgi?id=1069905).
A.2 September 2017 (Initial Release of SUSE Linux Enterprise Server 12 SP3) #
- General
Numerous small fixes and additions to the documentation, based on technical feedback.
Removed all references to the
faillog
package, which is no longer shipped (https://bugzilla.suse.com/show_bug.cgi?id=710788).
- Chapter 2, System Monitoring Utilities
Added Section 2.7.3, “ Monitoring and Tuning the Thermal Subsystem:
tmon
” (Fate #319184 and #319185).Updated Section 3.3, “Managing Log Files with
logrotate
” (Fate #322036 and #322037).
- Chapter 17, Kexec and Kdump
Added Section 17.7.1.1, “Static IP Configuration for Kdump” (https://bugzilla.suse.com/show_bug.cgi?id=1023815).
Added information about YaST Kdump command line interface to Section 17.4, “Calculating
crashkernel
Allocation Size” (Fate #320016).Added Section 17.7.1.1, “Static IP Configuration for Kdump” (https://bugzilla.suse.com/show_bug.cgi?id=1023815).
In Section 17.7.1, “Manual Kdump Configuration”, added a missing step to the procedure (https://bugzilla.suse.com/show_bug.cgi?id=1051190).
In Section 17.4, “Calculating
crashkernel
Allocation Size”, fixed a typo in a command (https://bugzilla.suse.com/show_bug.cgi?id=1043305).
A.3 November 2016 (Initial Release of SUSE Linux Enterprise Server 12 SP2) #
- General
The e-mail address for documentation feedback has changed to
doc-team@suse.com
.The documentation for Docker Open Source Engine has been enhanced and renamed to Docker Guide.
- Chapter 2, System Monitoring Utilities
Added Section 2.1.2, “
dstat
” (Fate #319795).Added Section 2.2.3, “Processor Frequency Monitoring:
turbostat
” (Fate #319182).
- Chapter 3, Analyzing and Managing System Log Files
Removed references to faillog, which is no longer shipped with SUSE Linux Enterprise Server.
- Chapter 4, SystemTap—Filtering and Analyzing System Data
Adjusted permissions (Section 4.1.3, “Commands and Privileges”, https://bugzilla.suse.com/show_bug.cgi?id=992981).
- Bugfixes
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 IBM Z to Chapter 17, Kexec and Kdump (https://bugzilla.suse.com/show_bug.cgi?id=990024).
A.4 March 2016 (Documentation Maintenance Update for SUSE Linux Enterprise Server 12 SP1) #
- Chapter 12, Tuning I/O Performance
Documented parameter slice_idle and group_idle (https://bugzilla.suse.com/show_bug.cgi?id=958461).
A.5 December 2015 (Initial Release of SUSE Linux Enterprise Server 12 SP1) #
- General
SMT Guide is now part of the documentation for SUSE Linux Enterprise Server.
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 https://bugzilla.suse.com/show_bug.cgi?id=867809).
via the group. is gone (
- Chapter 2, System Monitoring Utilities
Added Section 2.5.2, “ Show the Network Usage of Processes:
nethogs
” (Fate #313501).
- Chapter 6, Hardware-Based Performance Monitoring with Perf
Added Perf chapter, including introductory information about Instruction-Based Sampling (IBS) (Fate #315868).
- Chapter 19, Precision Time Protocol
Added PTP chapter (Fate #316795).
- Bugfixes
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 forNOOP
in multipathing environments (Fate #319091).Section 17.4, “Calculating
crashkernel
Allocation Size”: Updatedcrashkernel
allocation recommendations (https://bugzilla.suse.com/show_bug.cgi?id=948565 and https://bugzilla.suse.com/show_bug.cgi?id=948954).
A.6 February 2015 (Documentation Maintenance Update) #
- Bugfixes
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).
A.7 October 2014 (Initial Release of SUSE Linux Enterprise Server 12) #
- General
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 inctime()
-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 bywicked
. 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.
- Chapter 2, System Monitoring Utilities
Updated command outputs with samples produced with SUSE Linux Enterprise 12.
Corrected the description of
si
,so
andin
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 withsar
”.Replaced deprecated tools
ifconfig
andnetstat
withip
,ethtool
andss
in Section 2.5, “Networking”.Added documentation about
sysctl
to Section 2.6.2, “System Control Parameters:/proc/sys/
”.Added the section Section 2.7.4, “MCELog: Machine Check Exceptions (MCE)”.
Added details on
/usr/bin/time
to Section 2.10.1, “Time Measurement withtime
”.
- Chapter 4, SystemTap—Filtering and Analyzing System Data
Added a link to the example scripts Web page to Section 4.1.1, “SystemTap Scripts”.
- Chapter 7, OProfile—System-Wide Profiler
Corrected statements on the effects of sampling rates in Section 7.4.2, “Getting Event Configurations”.
- Chapter 10, Automatic Non-Uniform Memory Access (NUMA) Balancing
New chapter.
- Chapter 13, Tuning the Task Scheduler
Removed section about the outdated
O1
task scheduler.Clarified kernel variables in Section 14.1.5, “Writeback”.
- Chapter 14, Tuning the Memory Management Subsystem
Added detailed descriptions on tunable parameters to Section 14.3.2, “Writeback Parameters”.
- Chapter 17, Kexec and Kdump
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”.
- Obsolete Content
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.
- Bugfixes
Removed notes about
zone_reclaim_mode
in Chapter 14, Tuning the Memory Management Subsystem (https://bugzilla.suse.com/show_bug.cgi?id=874971).