After starting Ubuntu and logging in to your desktop, start XSane by selecting Applications O Graphics O XSane Image Scanner. Connect your scanner to your Ubuntu workstation, then turn on the scanner.Ģ. If you no longer need this configuration and wish to purge all IP configuration from an interface, you can use the ip command with the flush option: ip addr flush eth0įlushing the IP configuration using the ip command does not clear the contents of /etc/ you can start using your scanner you need to ensure that XSane can work with it. A more lengthy description of the proper (persistent) way to do DNS client configuration is in a following section. The example below shows how to enter two DNS servers to /etc/nf, which should be changed to servers appropriate for your network. In general, editing /etc/nf directly is not recommended, but this is a temporary and non-persistent configuration. If you require DNS for your temporary network configuration, you can add DNS server IP addresses in the file /etc/nf. You can also use the ip command to verify your default gateway configuration, as follows: ip route showĭefault via 10.102.66.1 dev eth0 proto dhcp src 10.102.66.200 metric 100ġ0.102.66.0/24 dev eth0 proto kernel scope link src 10.102.66.200ġ0.102.66.1 dev eth0 proto dhcp scope link src 10.102.66.200 metric 100 sudo ip route add default via 10.102.66.1 Modify the default gateway address to match your network requirements. To configure a default gateway, you can use the ip command in the following manner. To verify the IP address configuration of enp0s25, you can use the ip command in the following manner: ip address show dev enp0s25ġ0: enp0s25: mtu 1500 qdisc noqueue state UP group default qlen 1000 The ip can then be used to set the link up or down. Modify the IP address and subnet mask to match your network requirements. To temporarily configure an IP address, you can use the ip command in the following manner. The ip command allows you to configure settings which take effect immediately – however they are not persistent and will be lost after a reboot. Temporary IP address assignmentįor temporary network configurations, you can use the ip command which is also found on most other GNU/Linux operating systems. The following section describes the process of configuring your system’s IP address and default gateway needed for communicating on a local area network and the Internet. The following is an example of how to view the supported features and configured settings of an Ethernet interface. network:Įthtool is a program that displays and changes Ethernet card settings such as auto-negotiation, port speed, duplex mode, and Wake-on-LAN. The set-name key can be used to change the device to the desired logical name. The match key is used to find an adapter based on some criteria like MAC address, driver, etc. If you would like control which interface receives a particular logical name use the match and set-name keys. Interface logical names can also be configured via a Netplan configuration. Product: MT26448 Ĭapabilities: pm vpd msix pciexpress bus_master cap_list ethernet physical fibre 10000bt-fdĬonfiguration: autonegotiation=off broadcast=yes driver=mlx4_en driverversion=4.0-0 duplex=full firmware= ip=192.168.1.1 latency=0 link=yes multicast=yes port=fibre speed=10Gbit/s In the example below, lshw shows a single Ethernet interface with the logical name of eth4 along with bus information, driver details and all supported capabilities. This command provides greater details around the hardware capabilities of specific adapters. Inet6 fe80::216:3eff:fee2:5242/64 scope linkĪnother application that can help identify all network interfaces available to your system is the lshw command. ip aġ: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 To quickly identify all available Ethernet interfaces, you can use the ip command as shown below. However, in some cases an interface may still use the kernel eth# style of naming. These names can appear as eno1 or enp0s25. Ethernet interfacesĮthernet interfaces are identified by the system using predictable network interface names. This document is geared toward server administrators and will focus on managing your network on the command line. Ubuntu ships with a number of graphical utilities to configure your network devices. Multi-node configuration with Docker-Composeĭistributed Replicated Block Device (DRBD)
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