Linux – scp transfer files (passwordless) between systems

SSH (Secure SHELL) is a network protocol that is used to login into remote servers for execution of commands and programs. It is also used to transfer files from one computer to another computer over the network using secure copy (SCP) Protocol. Let’s see how to automate, passwordless, using Public/Private keys, file transfers between systems. Read More …

Ubuntu 18.04 – Restart network

Here are shown several ways how to restart networking from command line as well as from Graphical User Interface (GUI) on Ubuntu 18.04 Bionic Beaver distribution. Read More …

CentOS / RHEL 7 / Debian – Disable IPv6

If network troubleshooting leads you to believe there’s an issue with IPv6, you may need to shut down that protocol on your Linux machines. Since some hardware doesn’t take advantage of IPv6 (and most admins are still working with IPv4), a temporary and easy solution is to disable IPv6. Read More …

CentOS / RHEL – Managing Networking Service

One of the most common activities on a Linux system is, usually, modify some networking parameters to adapt the system to the actual network; so how can we restart networking service using command line options without restarting the whole system? How can I start / stop and restart networking service on a CentOS/RHEL 7 based system? Read More …

Ubuntu 16.04 LTS Server – Configure Static IP Address

Send Us a Sign! (Contact Us!) Show More Info This article has total words. (Including header) Ubuntu 16.04 has been Read More …

Distributing Proxy PAC using GPO (Active Directory)

If your organization uses Active Directory and Internet Explorer, Google Chrome, Safari or Firefox, you can use the Active Directory Group Policy Object (GPO) feature to distribute the PAC file URL to all devices in your organization. Read More …

Windows 10 – Change Network Adapter Priorities

This article explains how to change the priority of the network adapter in Windows 10 so that they follow a specific order. If you have multiple network connections, you can change the priority, so the network you prefer will be the first one to use instead. Read More …

Windows 7 – Windows Server 2008 – Skip the KB4480970 Update (Bug)

The Windows 7 KB4480970 is one of those updates that will bring a lot of pain on multiple Windows 7 and Windows Server 2008 (and probably 2008 R2) systems. This is the first Patch Tuesday of 2019 and is all about security. Read More …

Set up Port Forwarding (Windows)

Port Forwarding is a technique that allows remote computers, usually computers or systems on the Internet, to connect to a specific system or service within a private local-area network (LAN), so an internal network. Read More …

Segment a LAN into VLANs

VLANs or virtual LANs, are a great tool to segment LANs without having to build a complex and costly network infrastructure. Even with only a unique switch you can build a network with multiple broadcast domains. Read More …