How to manage ip addresses and subnets with phpIPAM

A typical network/system admin is responsible for managing one or more subnets within the network under control. For example, when a LAN segment is assigned a /24 subnet, a total of 254 IP addresses can be used for different purposes. To keep track of what IP addresses are assigned to which hosts, some sort of […]
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How to look up the geographic location of an IP address from the command line

If you want to find out where a given IP address is physically located on earth, there are quite a few online GeoIP lookup services you can try (e.g. geoiptool.com). These online services are mostly powered by freely available GeoIP databases such as those from MaxMind. Besides using such web-based services, there are different ways […]
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How to configure an IP address on Raspberry Pi

The default Raspbian system for Raspberry Pi is set up to get an IP address automatically from the network via DHCP, whether for wired Ethernet or wireless WiFi (via a USB wireless dongle). Raspbian can support both IPv4 and IPv6. IPv4 is ready for use by default, while IPv6 must be enabled manually. If you […]
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How to find the IP address of VMware virtual machine

When you run a virtual machine (VM) created by VMware Player or VMware Server, there can be circumstances where you don’t have console access to the VM. For example, you could be running your VM without VMware Player GUI, or you may have trouble opening a remote console from VMware Server. If you don’t have […]
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How to find the IP address of a DHCP server

When a network interface configured with DHCP is being enabled, a host machine broadcasts DHCP discovery message to discover available DHCP server(s) on the network. Once the host has received a DHCP offer message from any DHCP server, it then sends a DHCP request message to the DHCP server to finalize the lease of an […]
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