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--- linux_wiki:static_ip [2014/11/24 22:37]
billdozor
+++ linux_wiki:static_ip [2019/05/25 23:50] (current)
@@ Line 1: / Line 1: @@
 ====== Static IP ======
-**Distro(s):** Debian and Redhat based.
+**General Information**
-**Description:** Configure static IP, Mask, Gateway, and DNS.
+Configure static IP, Mask, Gateway, and DNS.
-Assuming eth0 is the network interface to edit;
+**Checklist**
+  * Distro(s): Debian or Enterprise Linux
-__**Debian/Ubuntu Systems**__
+----
+===== Configure Static Network Info =====
+==== Debian/Ubuntu Systems ====
 if possible, bring interface down first: ifdown eth0.
-) Edit /etc/network/interfaces
+  * Edit /etc/network/interfaces<code bash>vim /etc/network/interfaces</code>
-<code bash>
-nano /etc/network/interfaces
-</code>
-) DHCP Setup Example (Default)
+  * DHCP Setup Example (Default)<code bash>auto eth0
-<code bash>
+iface eth0 inet dhcp</code>
-auto eth0
-iface eth0 inet dhcp
-</code>
-) Static Setup Example
+  * Static Setup Example<code bash>auto eth0
-<code bash>
-auto eth0
 iface eth0 inet static
   address 192.168.0.100
   netmask 255.255.255.0
   gateway 192.168.0.254
-  dns-nameservers 8.8.8.8 8.8.4.4
+  dns-nameservers 8.8.8.8 8.8.4.4</code>
-</code>
-) Bring the interface up (if brought down at the start)
+  * Bring the interface up (if brought down at the start)<code bash>ifup eth0</code>
-<code bash>
-ifup eth0
-</code>
-) Otherwise, restart to fix nameserver conflicts between dhclient and static.
+  * Otherwise, restart to fix nameserver conflicts between dhclient and static.<code bash>shutdown -r now</code>
-<code bash>
-shutdown -r now
-</code>
-__**Redhat/CentOS Systems**__
+----
-) Edit /etc/sysconfig/network-scripts/ifcfg-eth0
+==== Redhat/CentOS Systems ====
-<code bash>
-vi /etc/sysconfig/network-scripts/ifcfg-eth0
-</code>
-) DHCP Setup Example (Default)
+Classic and NetworkManager methods of setting IP addresses for EL distros.
-<code bash>
-DEVICE=eth0
+=== Classic (network) Method ===
+Using config files and the network service.
+  * Edit /etc/sysconfig/network-scripts/ifcfg-eth0<code bash>vim /etc/sysconfig/network-scripts/ifcfg-eth0</code>
+  * DHCP Setup Example (Default)<code bash>DEVICE=eth0
 ONBOOT=no (change to yes to have DHCP start automatically)
 NM_CONTROLLED=yes
-BOOTPROTO=dhcp
+BOOTPROTO=dhcp</code>
-</code>
-) Static Setup Example
+  * Static Setup Example<code bash>DEVICE=eth0
-<code bash>
-DEVICE=eth0
 ONBOOT=yes
-NM_CONTROLLED=yes
+NM_CONTROLLED=no
 BOOTPROTO=static
 IPADDR=192.168.0.101
 NETMASK=255.255.255.0
-GATEWAY=192.168.0.254
+GATEWAY=192.168.0.254</code>
-</code>
-) Edit /etc/resolv.conf
+  * Edit /etc/resolv.conf<code bash>vim /etc/resolv.conf
-<code bash>
-vi /etc/resolv.conf
 nameserver 8.8.8.8
-nameserver 8.8.4.4
+nameserver 8.8.4.4</code>
-</code>
+  * Restart network service<code bash>/etc/init.d/network restart</code>
+=== Network Manager ===
+Using the NetworkManager service.
+\\
+Static IP/Gateway
+  * Set a static IP on an existing interface (eth0)<code bash>nmcli con mod eth0 autoconnect yes ipv4.method manual ip4 192.168.1.50/24 gw4 192.168.1.254</code>
+  * Apply settings<code bash>nmcli con up eth0</code>
+\\
+Static DNS
+  * Set a static DNS entry<code bash>nmcli con mod eth0 ipv4.dns 1.1.1.1</code>
+  * Apply changes<code bash>nmcli con up eth0</code>
+----
-) Restart network service
-<code bash>
-/etc/init.d/network restart
-</code>