Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

RHCSA > Redes > Flashcards

Redes Flashcards

1
Q

Como se muestran las conexiones activas nmcli

A

nmcli conn show —active

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Cual es el comando del Network manager

A

nmcli

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Comando para ver, conectar y desconectar dispositivos de red

A

nmcli dev show
nmcli dev disconnect
nmcli dev conn

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Como se agrega una conexión

A

nmcli conn add con-name NAME ifname devicename type ethernet ipv4.address 192.168.1.1/24 ipv4.gateway 192.168.1.254 ipv4.method manual connection.autoconnect yes ipv4.dns 192.168.1.2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Como se modifica una conexión

A

nmcli conn mod NAME ipv4.address2 192.168.1.9

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Como se configura una conexión desde archivos estáticos

A

vi /etc/sysconfig/network-scripts/ifcfg-eno2

ipv4. method manual BOOTPROTO=none
ipv4. method auto BOOTPROTO=dhcp

ipv4.addresses 192.0.2.1/24
IPADDR=192.0.2.1
PREFIX=24

ipv4.gateway 192.0.2.254
GATEWAY=192.0.2.254

connection. autoconnect yes ONBOOT=yes
connection. interface-name ens3 DEVICE=ens3
connection. autoconnect yes ONBOOT=yes

Resolv
ipv4.dns 8.8.8.8 DNS1=8.8.8.8

ipv4.dns-search example.com DOMAIN= example.com

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Como listar todas las interfaces

A

ip link show

1: lo: mtu 65536 qdisc noqueue state UNKNOWN mode DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: ens3: mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 52:54:00:00:00:0a brd ff:ff:ff:ff:ff:ff
3: ens4: mtu 1500 qdisc mq state UP mode DEFAULT group default qlen 1000
link/ether 52:54:00:00:00:1e brd ff:ff:ff:ff:ff:ff

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Mostrar ips

A

ip addr show ens3

2: ens3: mtu 1500 qdisc pfifo_fast state UP qlen 1000
2link/ether 52:54:00:00:00:0b brd ff:ff:ff:ff:ff:ff
3inet 192.0.2.2/24 brd 192.0.2.255 scope global ens3
valid_lft forever preferred_lft forever
4inet6 2001:db8:0:1:5054:ff:fe00:b/64 scope global
valid_lft forever preferred_lft forever
5inet6 fe80::5054:ff:fe00:b/64 scope link
valid_lft forever preferred_lft forever

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Como

Se muestran las estadísticas de una interfaz

A

ip -s link show ens3

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Como se

Muestra la ruta salida a la red

A

ip route

default via 192.0.2.254 dev ens3 proto static metric 1024

  1. 0.2.0/24 dev ens3 proto kernel scope link src 192.0.2.2
  2. 0.0.0/8 dev ens4 proto kernel scope link src 10.0.0.11
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Como

Se traza la ruta a la salida de red

A

tracepath acess.redhat.com

…output omitted…
4: 71-32-28-145.rcmt.qwest.net 48.853ms asymm 5
5: dcp-brdr-04.inet.qwest.net 100.732ms asymm 7
6: 206.111.0.153.ptr.us.xo.net 96.245ms asymm 7
7: 207.88.14.162.ptr.us.xo.net 85.270ms asymm 8
8: ae1d0.cir1.atlanta6-ga.us.xo.net 64.160ms asymm 7
9: 216.156.108.98.ptr.us.xo.net 108.652ms
10: bu-ether13.atlngamq46w-bcr00.tbone.rr.com 107.286ms asymm 12
…output omitted…

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Como se muestran los puertos y su estado

A

ss-ta

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Opciones de ss

A
  • n Show numbers instead of names for interfaces and ports.
  • t Show TCP sockets.
  • u Show UDP sockets.
  • l Show only listening sockets.
  • a Show all (listening and established) sockets.
  • p Show the process using the sockets.

-A inet
Display active connections (but not listening sockets) for the inet address family. That is, ignore local UNIX domain sockets.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Mostrar información de un dispositivo con Network manager

A

nmcli dev status

DEVICE TYPE STATE CONNECTION
eno1 ethernet connected eno1
ens3 ethernet connected static-ens3
eno2 ethernet disconnected –
lo loopback unmanaged –

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Como se

Muestra el estado de las conexiones y conexiones activas

A

nmcli con show

nmcli con show –active

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Como se agrega una conexión

A

nmcli con add con-name eno2 type ethernet ifname eno2

17
Q

Levantar conexión

A

nmcli conn up NAME

18
Q

Desconectar un dispositivo

A

nmcli dev dis NAME

19
Q

Mostrar datos de conexión

A

nmcli con show NAME

20
Q

Como borrar una conexión

A

nmcli conn del NAME

21
Q

Como se configura una red por medio de archivos de configuración

A

se agrega la conexión a la ruta

/etc/sysconfig/network-scripts/ifcfg-NAME

22
Q

Como se

Modifica una conexión

A

nmcli con mod NAME ipv4.gateway 192.168.1.254

23
Q

Como se modifica la conexión uno para dejar de utilizar autoconnect

A

nmcli conn mod uno connection.autoconnect no

24
Q

Donde está el

Archivo resolv

A

/etc/resolv.conf

25
Q

Ejemplo de archivo de configuración de red

A

BOOTPROTO=none

IPADDR0=172.25.250.10

PREFIX0=24

GATEWAY0=172.25.250.254

DEFROUTE=yes

DNS1=172.25.254.254

BOOTPROTO=dhcp

DEVICE=ens3

NAME=”static-ens3”

ONBOOT=yes

UUID=f3e8(…)ad3e

USERCTL=yes

26
Q

Comando a lanzar para tomar parámetros de archivos de parámetros

A

nmcli conn reload
nmcli conn NAME down NAME
nmcli conn NAME up NAME

27
Q

Como se setea un hostname

A

hostnamectl set-hostname NAME

hostnamectl status

28
Q

Como se obtiene el nombre de un host

A

getent hosts hostname

29
Q

DHCP sobreescribe el resolv.conf a menos que especifiques el parámetro

A

En archivo estático
PEERDNS=no

nmcli conn mod “static-ens3” ipv4.ignore-auto-dns yes

30
Q

Cual es la estructura de un servicio

A 
kind: Service
apiVersion: v1
metadata:
  name: application-frontend 1
  labels:
    app: frontend-svc 2
spec:
  ports: 3
    - name: HTTP
      protocol: TCP
      port: 443 4
      targetPort: 8443 5
  selector: 6
    app: shopping-cart
    name: frontend
  type: ClusterIP 7
31
Q

Cual es

A

Jaja

RHCSA (27 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions