Diferencias

Muestra las diferencias entre dos versiones de la página.

--- proyectos:linuxservidor-red-comando [2019/11/09 18:04] – manuel.floresv
+++ proyectos:linuxservidor-red-comando [2022/06/18 16:18] (actual) – manuel.floresv
@@ Línea 26: / Línea 26: @@
 //**netstat**//
+//**/etc/services**//
 //**nmap**//
+//**iptraf-ng**//
 //**dig**//
+//**iftop**//
+//**nethogs**//
+//**vnstat**//
+//**iotop**//
+//**iostat**//
 ====== Configuración de IPs ======
@@ Línea 38: / Línea 52: @@
 //**route**//
+====== Calculadoras IP ======
+//**ipcalc/ipcalc-ng**//
+//**subnetcalc**//
+//**sipcalc**//
 ====== Nombres de interfaz de red ======
@@ Línea 43: / Línea 65: @@
 //**/etc/resolv.conf**//
+Anterior mente solo se editaba el archivo ///etc/resolv.conf// y se agregaban la entrada como
+<code bash>
+nameserver 8.8.8.8
+nameserver 88.4.4
+domain example.com
+</code>
+Con systemd se debe ver el estado con
+<code bash>
+systemd-resolve --status
+</code>
+Editar el archivos  ///etc/systemd/resolved.conf// y cambiar la linea
+<code bash>
+DNS=8.8.8.8 8.8.4.4
+</code>
+Y reiniciar el servicio
+<code bash>
+systemctl  restart systemd-resolved
+</code>
+  * https://wiki.archlinux.org/index.php/Systemd-resolved
 //**/etc/hosts**//
@@ Línea 49: / Línea 91: @@
 //**hostname**//
+Cambiando el hostname
+<code bash>
+sudo hostnamectl set-hostname only-host
+sudo hostnamectl set-hostname host.your-fqdn-here
+echo "127.0.0.1 host.your-fqdn-here" >> /etc/hosts
+</code>
+Verificando
+<code bash>
+hostnamectl status
+dnsdomainname
+hostname -f
+cat /etc/hostname
+</code>
+  * https://www.cyberciti.biz/faq/how-to-set-change-fqdn-on-ubuntu-20-04-linux/
 //**ifup**//
@@ Línea 60: / Línea 117: @@
 //**netplan**//
+<code>
+cat /etc/netplan/50-cloud-init.yaml
+network:
+  version: 2
+  renderer: networkd
+  ethernets:
+    enp0s3:
+      addresses: [ 10.10.10.2/24, 'fd00::229/64' ]
+      gateway4: 10.10.10.1
+      gateway6: fd00::1
+      nameservers:
+          search: [mydomain, otherdomain]
+          addresses: [10.10.10.1, 1.1.1.1]
+</code>
+  * https://netplan.io/
 //**NetworkManager**//
+====== systemd ======
+<code>
+systemctl disable NetworkManager
+systemctl enable systemd-networkd
+systemctl enable systemd-resolved
+rm /etc/resolv.conf
+ln -s /run/systemd/resolve/resolv.conf /etc/resolv.conf
+mkdir /etc/systemd/network
+vi /etc/systemd/network/20-dhcp.network
+[Match]
+Name=enp0s3*
+[Network]
+#DHCP=yes
+Address=10.10.0.10/24
+Gateway=10.10.0.1
+DNS=8.8.8.8
+</code>
+====== Referencias ======
+  * https://netplan.io/examples
+  * https://www.tecmint.com/set-permanent-dns-nameservers-in-ubuntu-debian/
+  * https://wiki.archlinux.org/index.php/Network_bridge
+  * http://www.microhowto.info/troubleshooting/troubleshooting_ethernet_bridging_on_linux.html
+  * https://vincent.bernat.ch/en/blog/2017-linux-bridge-isolation
+  * https://hechao.li/2017/12/13/linux-bridge-part1/
+  * https://blog.elastocloud.org/2015/07/qemukvm-bridged-network-with-tap.html
+  * https://www.linux-kvm.org/page/Networking
+  * https://wiki.libvirt.org/page/Net.bridge.bridge-nf-call_and_sysctl.conf
+  * https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r3-9/routing/configuration/guide/xr12krc39_chapter8.html#task_1011694
+  * https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/snmp/configuration/xe-16/snmp-xe-16-book/nm-snmp-cfg-snmp-support.html
+  * https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-5/system-management/configuration/guide/b-system-management-cg-asr9000-65x/b-system-management-cg-asr9000-65x_chapter_0101.html
+  * https://www.cisco.com/c/dam/en/us/td/docs/routers/asr9000/mib/guide/asr9k-mibs.pdf
+  * https://www.cacti.net/downloads/docs/html/graph_snmp_oid.html
+  * https://shivering-isles.com/Configure-DoT-on-systemd-resolved
+  * https://www.golinuxcloud.com/nmcli-command-examples-cheatsheet-centos-rhel/