IBM Support

Linux on IBM Z/IBM LinuxONE tested platforms

Detailed System Requirements


Abstract

IBM® and our partners have tested and certificated Linux environments of our distribution partners.

Content

Certified Linux environments by partner distribution 
 
The table shows the certified Linux distributions. Extended support is available for Linux distributions that are out of service.
 
Partner certifications and IBM tested distribution information is provided for these IBM Z and IBM LinuxONE servers:
                                            IBM z17 ME1                                        IBM LinuxONE Emperor 5
                                            IBM z16 A01                                         IBM LinuxONE Emperor 4
                                            IBM z16 A02 and AGZ                       IBM LinuxONE Rockhopper 4 and AGL
                                            IBM z15 T01                                         IBM LinuxONE III LT1
                                            IBM z15 T02                                         IBM LinuxONE III LT2
                                            IBM z14                                                  IBM LinuxONE Emperor II
                                            IBM z14 Model ZR1                          IBM LinuxONE Rockhopper II
 
 
The details of the partner certifications below show the minimum supported version level, all higher version levels are supported also.
The Linux distribution listed for IBM z17TM and IBM LinuxONE 5 are planned for support.
 
image-20250617171640-2
 
 
 
IBM z17 ME1
and
IBM LinuxONE
Emperor 5
 
 

Partner certifications

Red Hat certifications for IBM z17 ME1:
RHEL 10.0
RHEL 9.4
RHEL 8.10
SUSE certifications for IBM z17 ME1:
SLES 15 SP6
SLES 12 SP5: N/A
Ubuntu certifications for IBM z17 ME1:
Ubuntu 24.04
Ubuntu 22.04.1
 
 
Red Hat certifications for IBM LinuxONE Emperor 5:
RHEL 10.0
RHEL 9.4
RHEL 8.10
 
SUSE certifications for IBM LinuxONE Emperor 5:
SLES 15 SP6
SLES 12 SP5: N/A
Ubuntu certifications for IBM LinuxONE Emperor 5:
Ubuntu 24.04
Ubuntu 22.04.1
 
 
IBM tested distributions for IBM z17 ME1, and IBM LinuxONE Emperor 5 with kernel-level and additional library information where required.
 

Red Hat  distributions

RHEL 10.0 with service:
kernel 6.12.0-55.30.1.el10_0
s390utils 2.36.0-2.el10

RHEL 9.6 with service:
kernel 5.14.0-570.39.1.el9_6
device-mapper-multipath 0.8.7-35.el9_6.1
s390utils 2.36.0-2.el9

RHEL 9.4 with service:
kernel-5.14.0-427.81.1.el9_4
device-mapper-multipath 0.8.7-27.el9_4.2
s390utils 2.29.0-3.el9_4.2

RHEL 8.10 with service:
kernel 4.18.0-553.69.1.el8_10
device-mapper-multipath 0.8.4-42.el8_10
s390utils 2.29.0-3.el8_10.1

SUSE distributions

SLES 15 SP6 with service:
kernel-default 6.4.0-150600.23.60.5
libica4 4.3.1-150600.4.16.1
sg3_utils 1.48+11.56e7b2f-150600.3.3.11
s390-tools 2.31.0-150600.8.12.3

SLES 12 SP5 with service:
kernel 4.12.14-122.225.2
multipath-tools 0.7.9+232+suse.cbc3754-3.14.1
s390-tools     2.1.0-18.50.2
gzip   1.10-4.14.1
openCryptoki   3.17.0-5.15.1
 

Ubuntu distributions

Ubuntu 24.04 LTS with service:
kernel 6.8.0-78.78
s390-tools 2.31.0-0ubuntu5.1
multipath-tools 0.9.4-5ubuntu8

Ubuntu 22.04.1 LTS with service:
kernel 5.15.0-141-generic
(Some PCI fixes still to be released, will be updated once kernel with all the fixes is available)
s390-tools 2.20.0-0ubuntu3.5
multipath-tools 0.8.8-1ubuntu1.22.04.1

 
 
IBM z16 A01,
IBM z16 AO2
and 
IBM LinuxONE
Emperor 4,
IBM LinuxONE
Rockhopper 4
 

Partner certifications

Red Hat certifications for IBM z16 A01: RHEL 10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9 ; for IBM z16 A02: RHEL 10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9 ; for IBM z16 AGZ: RHEL 10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9
(links reside outside of IBM)
SUSE certifications for IBM z16  A01: SLES 15 SP3, SLES 12 SP5 ; for IBM z16 A02: SLES 15 SP3, SLES 12 SP5 ; for IBM z16 AGZ: SLES 15 SP3, SLES 12 SP5 
(links reside outside of IBM)
Ubuntu certifications for IBM z16 A01, IBM z16 A02:
Ubuntu 22.04 LTS, and Ubuntu 20.04 LTS
(links reside outside of IBM)
 
Red Hat certifications for IBM LinuxONE Emperor 4: RHEL 10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9 ; for IBM LinuxONE Rockhopper 4: RHEL10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9 ; for IBM LinuxONE Rockhopper 4 AGL: RHEL 10.0, RHEL 9.0, RHEL 8.4, RHEL 7.9
(links reside outside of IBM)
SUSE certifications for IBM LinuxONE Emperor 4: SLES 15 SP3, SLES 12 SP5 ; for IBM LinuxONE Rockhopper 4: SLES 15 SP3, SLES 12 SP5 ; IBM LinuxONE Rockhopper 4 AGL: SLES 15 SP3, SLES 12 SP5
(links reside outside of IBM)
Ubuntu certifications for IBM LinuxONE Emperor 4, IBM LinuxONE Rockhopper 4:  Ubuntu 22.04 LTS, and Ubuntu 20.04 LTS
(links reside outside of IBM)
 
IBM tested distributions for IBM z16 A01 and IBM z16 A02 and AGZ, and IBM LinuxONE Emperor 4 and IBM LinuxONE Rockhopper 4 and AGL with kernel-level and cryptography libraries information.
 

Red Hat  distributions

RHEL 9.0: kernel 5.14.0-70.13.1.el9_0, S390utils 2.19.0-2.el9; CCA lib: 7.3.45-08

RHEL 8.4 with service: kernel 4.18.0-305.45.1.el8_4, s390utils 2.15.1-5.el8; CCA lib: 7.3.45-08 
(for CPU MF support kernel 4.18.0-305.48.1.el8_4 is required)

RHEL 7.9 with service: kernel 3.10.0-1160.60.1.el7, S390utils 1.23.0-48.el7; CCA lib: 7.3.45-08 (required for CEX8S crypto card support: kernel 3.10.0-1160.62.1.el7)

SUSE distributions

SLES 15 SP3 with service: kernel 5.3.18-150300.59.54-default, s390-tools 2.15.1-8.11.1; CCA lib: 7.3.45-08

SLES 12 SP5: kernel 4.12.14-122.113, s390-tools 2.1.0-18.35.1; CCA lib: 7.3.45-08

Ubuntu distributions

Ubuntu 20.04 LTS with service: kernel 5.4.0-107-generic, s390-tools 2.12.0-0ubuntu3; CCA lib: 7.3.45-08

Ubuntu 22.04 LTS: kernel 5.15.0-48

 
 
IBM z15 T01 and
IBM LinuxONE III LT1
 
Partner certifications
Red Hat certifications for z15 T01
RHEL 10.0-10.x, RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.7-7.x
(links reside outside of IBM)
SUSE certifications for z15 T01
SLES 15 SP1 and SLES 12 SP4 
(links reside outside of IBM)
Ubuntu certifications for z15 T01
Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

Red Hat certifications for LinuxONE III LT1

RHEL 10.0-10.x, RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.7-7.x
(link resides outside of IBM)

SUSE certifications for LinuxONE III LT1
SLES 15 SP1 and SLES 12 SP4 
(links reside outside of IBM)

Ubuntu certifications for LinuxONE III LT1

Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

 
IBM tested distributions for z15 and LinuxONE III with kernel-level and cryptography libraries information

Red Hat distributions 

RHEL 8.0: kernel-4.18.0-80.el8, s390outils-2.6.0-14.el8; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

RHEL 7.7: kernel-3.10.0-1058.el7, s390utils-1.23.0-45.el7; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

SUSE distributions

SLES 15 SP1: kernel-default-4.12.14-195, s390-tools-2.1.0-19.27; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

SLES 12 SP4: kernel-default-4.12.14-94.41, s390-tools-2.1.0-11.6; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

Ubuntu distributions

Ubuntu 18.04.1 LTS: 4.15.0-54-generic, 2.3.0-0ubuntu3; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

Ubuntu 16.04.6 LTS: 4.4.0-154-generic, 1.34.0-0ubuntu8.7; CCA lib: 6.0.13-10; EP11 lib: 2.1.0-8

For Linux systems that use CEX6 and CEX7 in EP11 mode in the same image, an update to the latest opencryptoki libraries provided by the Linux distribution partners is required before moving to z15.
 
 
IBM z15 T02 and
IBM LinuxONE III LT2
 
Partner certifications

Red Hat certifications for z15 T02 

RHEL10.0-10.x, RHEL 9.0-9.x, RHEL 8.0-8.x and RHEL 7.7-7.x (link resides outside of IBM)

SUSE certifications for z15 T02
SLES 15 SP1 and SLES 12 SP4 (links reside outside of IBM)
Ubuntu certifications for z15 T02
Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

Red Hat certifications for LinuxONE III LT2

RHEL 10.0-10.x, RHEL 9.0-9.x, RHEL 8.0-8.x and RHEL 7.7-7.x (link resides outside of IBM)

SUSE certifications for LinuxONE III LT2
SLES 15 SP1 and SLES 12 SP4  (links reside outside of IBM)

Ubuntu certifications for LinuxONE III LT2

Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

 
IBM z14 M0x and
IBM LinuxONE Emperor II
 
Partner certifications

Red Hat certifications for z14

RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.3-7.x (link resides outside of IBM)

SUSE certifications for z14
SLES 15, SLES12 SP2 and SLES11 SP4 (links reside outside of IBM)
Ubuntu certifications for z14
Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS, (links reside outside of IBM)

Red Hat certifications for LinuxONE Emperor II

RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.3-7.x (link resides outside of IBM)

SUSE certifications for LinuxONE Emperor II
SLES 15, SLES12 SP2 and SLES11 SP4 (links reside outside of IBM)

Ubuntu certifications for LinuxONE Emperor II

Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

 
 
IBM tested distributions for z14 M0x and LinuxONE Emperor II with kernel-level and cryptography libraries information

Red Hat  distributions

RHEL 7.6: 3.10.0-957.el7; Crypto libs: TKE 9.0, csulcca-6.0.13-08.s390x.rpm, ep11-host-2.0.0-8, ep11-host-devel-2.0.0-8

RHEL 7.4: 3.10.0-693.21.1.el7; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.2-0, ep11-host-devel-1.3.2-0

RHEL 7.3: 3.10.0-514.el7; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.0-3, ep11-host-devel-1.3.0-3

SUSE distributions

SLES 12 SP4: kernel-default-4.12.14-94.41; Crypto libs: TKE9.0, csulcca-6.0.13-08, ep11-host-2.0.0-8, ep11-host-devel-2.0.0-8

SLES 12 SP2: kernel-default-4.4.74-92.35.1; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.0-3, ep11-host-devel-1.3.0-3

SLES 11 SP4: kernel-default-3.0.101-108.10; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.0-3, ep11-host-devel-1.3.0-3; RoCE Express2 is not supported

Ubuntu distributions

Ubuntu 16.04.3 LTS: LTS kernel 4.4.0-96; Crypto libs: TKE9.0, csulcca-5.2.23-12, libep11_1.3.0-3, libep11-dev_1.3.0-3

 
 
 
IBM z14 ZR1 and
IBM LinuxONE Rockhopper II
 
Partner certifications
Red Hat certifications for z14 ZR1
RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.3-7.x (link resides outside of IBM)		SUSE certifications for z14 ZR1
SLES 15, SLES12 SP2 and SLES11 SP4 (link resides outside of IBM)		Ubuntu certifications for z14 ZR1
Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)
Red Hat certifications for LinuxONE Rockhopper II
RHEL 9.0-9.x, RHEL 8.0-8.x, and RHEL 7.3-7.x (link resides outside of IBM)		SUSE certifications for LinuxONE Rockhopper II
SLES 15, SLES12 SP2 and SLES11 SP4 (link resides outside of IBM)

Ubuntu certifications for LinuxONE Rockhopper II

Ubuntu 24.04 LTS, Ubuntu 22.04 LTS, Ubuntu 20.04 LTS, and Ubuntu 18.04 LTS (links reside outside of IBM)

 
IBM tested distributions for z14 ZR1 and LinuxONE Rockhopper II with kernel-level and cryptography libraries information

Red Hat  distributions

RHEL 7.6: 3.10.0-957.el7; Crypto libs: TKE 9.0, csulcca-6.0.13-08.s390x.rpm, ep11-host-2.0.0-8, ep11-host-devel-2.0.0-8

RHEL 7.4: 3.10.0-693.21.1.el7; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.2-0, ep11-host-devel-1.3.2-0

RHEL 7.3: 3.10.0-514.el7; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.0-3, ep11-host-devel-1.3.0-3

SUSE distributions

SLES 12 SP4: kernel-default-4.12.14-94.41; Crypto libs: TKE9.0, csulcca-6.0.13-08, ep11-host-2.0.0-8, ep11-host-devel-2.0.0-8

SLES 12 SP3: kernel 4.4.120-94.17; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.2-0, ep11-host-devel-1.3.2-0

SLES 11 SP4: kernel 3.0.101-108.35; Crypto libs: TKE9.0, csulcca-5.2.23-12, ep11-host-1.3.2-0, ep11-host-devel-1.3.2-0; RoCE Express2 is not supported

Ubuntu distributions

Ubuntu 16.04.3 LTS: LTS kernel 4.4.0-116; Crypto libs: TKE9.0, csulcca-5.2.23-12, libep11_1.3.2-1, libep11-dev_1.3.2-1

 
 
 
 

[{"Business Unit":{"code":"BU070","label":"IBM Infrastructure"},"Product":{"code":"z15_1","label":"IBM z15 (8561-T01)"},"ARM Category":[],"Platform":[{"code":"PF051","label":"Linux on IBM Z Systems"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB56","label":"Z HW"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"HW11S","label":"IBM z14"},"ARM Category":[],"Platform":[{"code":"PF051","label":"Linux on IBM Z Systems"}],"Version":"All Versions","Edition":"","Line of Business":{"code":"LOB16","label":"Mainframe HW"}},{"Type":"MASTER","Line of Business":{"code":"LOB56","label":"Z HW"},"Business Unit":{"code":"BU070","label":"IBM Infrastructure"},"Product":{"code":"z15_2","label":"IBM z15 (8562-T02)"},"ARM Category":[{"code":"","label":""}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":""},{"Type":"MASTER","Line of Business":{"code":"LOB56","label":"Z HW"},"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"HW11V","label":"IBM z16"},"ARM Category":[{"code":"a8m3p000000hBUkAAM","label":"CEC-\u003E3931"}],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"All Versions"}]

Document Information

Modified date:
20 November 2025

UID

ibm16191619

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