System Requirements

Check the following table for the operating systems supported as Tectia Client platforms:

Table 2.1. Supported operating systems for Tectia Client and Server

Operating System	Client	Server
HP-UX (PA-RISC) ^a	11i v3	11i v3
HP-UX (IA-64) ^a	11i v3	11i v3
IBM AIX (POWER)	7.1, 7.2, 7.3	7.1, 7.2, 7.3
Oracle Solaris (SPARC)	10, 11	10, 11
Oracle Solaris (x86-64)	10, 11	10, 11
Red Hat Enterprise Linux (x86-64)	7, 8, 9	7, 8, 9
Rocky Linux (x86-64)	8, 9	8, 9
Ubuntu (x86-64)	18.04, 20.04, 22.04	18.04, 20.04, 22.04
Debian GNU/Linux (x86-64)	11, 12	11, 12
SUSE LINUX Enterprise Desktop (x86-64)	15	15
SUSE LINUX Enterprise Server (x86-64)	12, 15	12, 15
Microsoft Windows (x86-64)	10, 11, Server 2016, Server 2019, Server 2022	10, 11, Server 2016, Server 2019, Server 2022

^a for this platform PQC is not supported.

	Note
	Keep the operating system fully patched according to recommendations by the operating system vendor.

The supported operating systems are required to have the following or superseding patches or maintenance levels installed. Tectia solutions have been tested with the following patches and maintenance levels:

HP-UX patches

The general principle is to install the latest HP-required patch bundle for the OS version. Proper functioning of the Tectia software also requires the latest HP recommended patches for libc, pthread and linker tools. In addition, some individual patches may be needed to fix specific problems. Such patches are mentioned separately.

	Note
	Check the HP web-site for any newer patches superseding the ones listed here. We recommend installing the latest version recommended by HP.

HP-UX 11i v3 on PA-RISC and IA-64 (Itanium):
- PHCO_36551 pthread library cumulative patch, May 2007
- PHSS_37202 linker and fdp cumulative patch, Oct 2007
- Kerberos Client D.1.6.2, Dec 2007