CentOS

CISCO – AnyConnect – Windows Autostart

Apple products on enterprise networks

Device setup Apple devices need access to the following hosts during setup, or when installing, updating, or restoring the operating system. HostsPortsProtocolOSDescriptionSupports proxiesalbert.apple.com443TCPiOS, iPadOS, tvOS, and macOSDevice…

IPv6 – networking acronyms and abbreviations

Cisco Transceiver Modules – Data Sheets

Transceiver-modules Data Sheets Optical transceiver modules 800G modules Double your port capacity with QSFP-DD800 while preserving backward compatibility to lower speed QSFP modules. 400G modules Migrate…
CentOS

CISCO – AnyConnect – AnyConnect Profiles location

CentOS

LINUX – nmcli command examples (cheatsheet), compare nm-settings with if-cfg file

Table of Contents Understanding nmcli Compare nm-settings with ifcfg-* directives (IPv4) Compare nm-settings with ifcfg-* directives (IPv6) Brief list of nmcli commands syntax nmcli command examples (cheatsheet) 1. Check if…
CentOS

CISCO IOS XE – passwords will soon be deprecated

CentOS

CentOS – Installer just goes black screen on Centos8

Problem: During installation of CentOS the installer screen goes black. The terminal multiplexer is running in virtual console 1. To switch from the graphical installation environment to tmux, press Ctrl+Alt+F1. To go back to the main…