Wecome To Linux

End of Lifetime (EOL) Dates

CentOS-6

CentOS-7

CentOS-8

Full Updates¹

May 10th, 2017

Q4 2020

May 2024

Maintenance Updates²

November 30th, 2020

June 30th, 2024

May 31st, 2029

Architecture

CentOS-6

CentOS-7

CentOS-8

Latest Release

6.10

7 (2003)

8 (2004)

Supports i386 Systems (32-bit Pentium, AMD, Via)

Yes³

Yes (1503)

No

Supports x86_64 systems (AMD64/EM64T)

Yes

Yes

Yes

Supports PowerPC8le systems (IBM Power, Mac)

No

Yes (AltArch)

Yes (AltArch)

Supports IA-32

No

Yes (AltArch)

Yes (AltArch)

Supports ARMv7hl systems

No

Yes (AltArch)

Yes (AltArch)

Supports AArch64 (arm64) systems

No

Yes (AltArch)

Yes (AltArch)

CPU / Memory / Filesystem limits (Tested/possible)

CentOS-6

CentOS-7

CentOS-8

Maximum logical CPUs⁴

x86

32

n/a

n/a

x86_64

448/4096

768/5120

768/8192

Maximum memory

x86

16GB

n/a

n/a

x86_64

12TB/64TB

12TB/64TB

24TB/64TB

ARM

n/a

n/a

1.5TB/254TB

Filesystem

Maximum filesize (ext3)

2TB

2TB

2TB

Maximum file system size (ext3)

16TB

16TB

16TB

Maximum filesize (ext4)

16TB

16TB

16TB

Maximum file system size (ext4) ⁵

16TB/1EB

50TB/1EB

50TB/1EB

Maximum filesize (XFS)

100TB

500TB

8EB

Maximum file system size (XFS)

n/a

500TB

1PB

Maximum file system size (GFS2)

100TB

100TB/8EB

100TB/8EB

Maximum boot LUN size (BIOS)

<2TB

<2TB

<2TB

Maximum boot LUN size (EFI)

Any⁶

50TB

8EB

Maximum x86 per-process virtual address space

Approx 3GB⁷

Maximum x86_64 per-process virtual address space

128TB

128TB

128TB

Recommended minimum requirements

CentOS-6

CentOS-7

CentOS-8

x86

392M CLI/512M GUI per logical CPU ⁸

other architectures

1G

1GB/logical CPU

1.5GB/logical CPU

Minimum/Recommended disk space

1G/5GB

10GB/20GB

10GB/20GB

KVM-Virtualization

CentOS-6⁹

CentOS-7

CentOS-8

Maximum number of cores on host

160

Maximum memory on host

2TB

Maximum number of vCPUs in fully virtualized guest (x86/x86_64)

160/160

Maximum memory in fully virtualized guest (x86/x86_64)

2TB/2TB

Minimum memory in fully virtualized guest (x86/x86_64)

512MB/512MB¹⁰

OS features (Kernel, Server, Client, etc.)

CentOS-6

CentOS-7

CentOS-8

Kernel foundation

Linux 2.6.32

Linux 3.10

Linux 4.18

Compiler/toolchain

GCC 4.4

GCC 4.8.5

GCC 8.2.1

Languages supported

22

22

TBD

SELinux

Yes

Yes

Yes

Ext3 Performance Enhancements

Yes

Yes

Bluetooth support

Yes

Yes

Yes

Native POSIX Threading Library (NPTL)

Yes

Yes

Yes

Hyperthreading scheduler

Yes

Yes

Yes

IPv6 support

Ready Logo Phase 2

Ready Logo Phase 2

Yes

Autofs V4

Yes

Yes

Yes

Logical Volume Manager (LVM)

Yes - LVM2

Yes - LVM2

Yes - LVM2

Auditing

Yes - audit

Yes - audit

Yes - audit

Compatibility libraries (toolchain)

Yes - CentOS-4 & CentOS-5

Yes - CentOS-5 & CentOS-6

Yes - CentOS-6 & CentOS-7

LSB support

Yes - 4.0

Yes - 4.1

TBD

NFS

Yes

Yes

Yes

Web Server

httpd 2.2.15 (apache)

httpd 2.4.6 (apache)

httpd 2.4.37 (apache)

Server Message Block (SMB)

Samba-3.5.x (opt. 4.0.x)

Samba-4.1.x

Samba-4.9.x

Database

MySQL 5.1.x, PostgreSQL 8.4.x

MariaDB 5.5.x, PostgreSQL 9.2.x

MariaDB 10.3.x, PostgreSQL 9.6.x/10.6.x

Programming Languages

php 5.3.3, python 2.6.6, perl 5.10.1

php 5.4, python 2.7, perl 5.16.3

php 7.2, python 3.6.8, perl 5.24/5.26

Desktop GUI

Gnome 2.28, KDE 4.3

Gnome 3.22, KDE 4.14

Gnome 3.28

Graphics

X.org 7.4

X.org 7.7

Wayland 1.15

eMail Client

Evolution 2.32 ¹¹, Thunderbird 60

Evolution 3.22, Thunderbird 68

Evolution 3.28, Thunderbird 60

Default browser¹²

Firefox 68

Firefox 68

Firefox 68

Office Suite

Libreoffice¹³ 4.3.7.2

Libreoffice 5.3.6.1

Libreoffice 6.0.6.1

Multimedia capabilities

Yes (mp3 with add. repos)

Yes (mp3 with add. repos)

Yes (mp3 with add. repos)

Plug and Play

Yes

Yes

Yes

Other items (available seperately from CentOS)

CentOS-6

CentOS-7

CentOS-8

Cluster Suite

n/a (now included in base OS)

n/a (now included in base OS)

n/a (now included in base OS)

Global File System

n/a (GFS2 now included in base OS)

n/a (GFS2 now included in base OS)

n/a (GFS2 now included in base OS)