![]() ![]() One of the easiest ways is with a tool called tasksel, which streamlines the process for us by automatically installing the correct window manager and other package dependencies. ![]() There are numerous ways to install a GUI on Ubuntu 22.04. Ubuntu 22.04 Install GUI step by step instructions $ – requires given linux commands to be executed as a regular non-privileged user # – requires given linux commands to be executed with root privileges either directly as a root user or by use of sudo command Privileged access to your Linux system as root or via the sudo command. Requirements, Conventions or Software Version Used Installed GUI on Ubuntu 22.04 Software Requirements and Linux Command Line Conventions Category Follow along with the step by step instructions below to install a GUI on Ubuntu 22.04 Jammy Jellyfish Server and Desktop. You can also use these instructions to install a GUI on Ubuntu Server 22.04, which doesn’t have a desktop environment installed by default. The current rules will be saved during package installation but can still save them thereafter by running the command iptables-save > /etc/iptables/rules.The purpose of this guide is to install a desktop environment on Ubuntu 22.04 Jammy Jellyfish, whether you already have a GUI installed and wish to use a different desktop environment, or if you are only using the command line and would like access to a GUI. In order to permanently save iptables rules, simply install the iptables-persistent package and run the iptables-save command as follows. To ensure that the two local networks can also communicate, run the commands below iptables -t nat -A POSTROUTING -o enp0s8 -j MASQUERADE iptables -t nat -A POSTROUTING -o enp0s9 -j MASQUERADEĬonsult man iptables for more information. ![]() Next, configure NATing iptables -t nat -A POSTROUTING -o enp0s3 -j MASQUERADE Similarly, configure packets that are associated with existing connections received on a WAN interface to be forwarded to the LAN interfaces iptables -A FORWARD -i enp0s3 -o enp0s8 -m state -state RELATED,ESTABLISHED -j ACCEPT iptables -A FORWARD -i enp0s3 -o enp0s9 -m state -state RELATED,ESTABLISHED -j ACCEPT Configure NATing iptables -A FORWARD -i enp0s8 -o enp0s3 -j ACCEPT iptables -A FORWARD -i enp0s9 -o enp0s3 -j ACCEPT Configure Packet ForwardingĬonfigure the packets received from router LAN interfaces ( enp0s8 and enp0s9) to be forwarded through the WAN interface, which in our case is enp0s3. NATing and Forwarding can be handled using iptables or via the iptables front-end utility like UFW. No device can access devices on different LANĬonfigure NATing and Forwarding on Linux Router.only devices on same LAN can access each other.Inet6 fe80::eb09:7797:df2d:d54b/64 scope link noprefixrouteĬat /etc/sysconfig/network-scripts/ifcfg-enp0s3 TYPE=Ethernet ![]() Host on 172.16.1.0/24 Network: ip add 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 IP Address details on Other LAN Servers Host on 172.16.1.0/24 Network: ip add 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 IP addresses assignment cat /etc/netplan/00-installer-config.yaml network: Inet6 fe80::a00:27ff:fe12:62bf/64 scope linkĤ: enp0s9: mtu 1500 qdisc fq_codel state UP group default qlen 1000 Inet6 fe80::a00:27ff:fedf:2cb4/64 scope linkģ: enp0s8: mtu 1500 qdisc fq_codel state UP group default qlen 1000 Valid_lft 86100sec preferred_lft 86100sec
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