RHCSA Exam Networking Questions || Hostname || RHEL 9

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In this video, we will be discussing the difference between the nmcli and hostname commands and how to use them to configure networks in RHEL. We will also be changing the hostname on a RHEL 9 server.
If you are preparing for the RHCSA (Red Hat Certified System Administrator) certification, this video is for you! We will be discussing the use of the nmcli and hostname commands and how to use them to configure networks in RHEL. We will also be changing the hostname on a RHEL 9 server.
Networking is one of the important topics covered in RHCSA Exam. Two key concepts are asked:
1. Configuring Network
2. Set hostname
For configuring the network in RedHat you can use nmcli command.
For setting the hostname in RedHat use the hostnamectl set-hostname command.
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This lecture is part of the RHCSA exam playlist: • RHCSA Exam Full Course
Other Reference Videos:
1. Container Part I - • RHCSA Exam Container Q...
2. SSH - • RHCSA Exam SSH topic |...
3. SELinux basics: • RHCSA Exam Networking ...
Tools Required:
1. RHEL environment
Other Playlists:
OS: • Operating System
Operating System Lab playlist: • Operating System Lab
Linux Essential: • Linux Tutorial For Beg...
Was this tutorial about Networking in RHCSA exam helpful? If so, please share. Let me know your thoughts in the comments.
#linux #rhcsa #rhel9 #dextutor #network

Опубликовано:

18 дек 2021

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Комментарии : 45

@juniali123 Месяц назад

even though I knew how to do this but still learn some thing new from you. Thanks like your style keep it up

@dextutor Месяц назад

Glad I could help!

@mohammedfaizan616 Год назад

Really helpful video. Thank you Dex!

@Linuxenthusiast Год назад

Great video , Thank you!

@lynx0808 2 года назад

Thank you very much, you have helped me so much!

@edith_1045 2 года назад

Very helpful video sir .... Thanks

@fahmidatasnim2130 2 года назад

Thank you so much

@bog9867 2 года назад

Great video as usual, kindly make your text (font) larger.

@arnoldmagadia905 Год назад

on your Q2 example. Configure the network connection, are we going to modify the existing one with the given ip, netmask and gateway?

@optimustrond 2 года назад

Not sure why you say that you cannot add dns during the initial connection setup. By using the following command you can set up your entire connection, including dns in one command without the need to edit it afterwards: nmcli con add con-name default1 type ethernet ipv4.method manual ifname eth2 ipv4.addresses 10.10.10.5/24 ipv4.gateway 10.10.10.1 ipv4.dns 10.10.10.200

@rottenfist220 Год назад

Why did you use add? Can't you just use nmcli con up ens160(or whatever network card is) then proceed to ip settings?

@nlvon Год назад

⁠@@rottenfist220nope, you have to create a connection that’s linked to the device name first. Then you can run the con up

@user-ti7kv3kw2k 4 месяца назад

@dextutor Sir can you please make one video for nmtui also??

@rakeshgowdav2467 Год назад

Hi after changing DHCP to static IP in VMware player not able to ping gateway and DNS 8.8.8.8

@abdorouiss5279 2 месяца назад

The thing is whenever I changed the IP address manually. I could not ping anymore or access to the internet even the first part of this video I could not ping after making the Default up. do you have any idea what am I missing in here? Thank you

@Derbyjana 2 года назад

what is subnetmask and dns whether both are same or different. Could you please explain

@SATCOMGoose 2 года назад

setting a subnet mask identifies the network portion of address and the host portion of the address. /24 is 255.255.255.0 every octet with 255 is a part of the netowrk portion the 0 identifies the start of the host portion of the IPV4 address. DNS is seperate address it tells the device what the address is for the DNS server or where a DNS service is running on the network.

@srushtipawar1341 Год назад

@@SATCOMGoose How to set Domain name can you please tell me?

@wajdimanai2622 Год назад

is nmtui available in the exam or should we use nmcli?

@dextutor Год назад

Honestly I didn't try it first hand during exam as I used nmcli.

@simranjitsingh9874 Год назад

Hello Sir, in the test itself, there was already a connection setup. Do we need to create a new or modify the existing one ?

@dextutor Год назад

As it was already there so you should modify it

@simranjitsingh9874 Год назад

@dextutor I see thank you. Another question about root password if you don't mind please. I'm grub menu, rd.break at the end of linux linis suppose to be followed with switch_root prompt. But it asked for Press enter for maintainance. After pressing enter it gave the same prompt and never went to switch_root . Advise please?

@dextutor Год назад

It says press enter or enter password. You can enter password. You shd get command prompt

@simranjitsingh9874 Год назад

@@dextutor sorry, password is given only for node1. i think node2 can only be started if we change the root password. Thank you for sparing the time though.

@dextutor Год назад

Yes, that's correct. You can access second node only after resetting the password

@ponnuponnu731 9 месяцев назад

sir nmtui is easy know ? why you use nmcli over nmtui ? please tell sir , the reason

@dextutor 9 месяцев назад

You can use any method you are comfortable with

@youso91 11 месяцев назад

Hey Dex i recently took the test and missed the passing score by 10 pts. They said i got 0% in Manage basic networking but not sure why do you have any idea why that could've happened?

@dextutor 11 месяцев назад

This means you got the answer wrong for that particular question.

@youso91 11 месяцев назад

@@dextutor I guess what I'm trying to ask is what could have resulted in it being wrong.

@amitly 11 месяцев назад

Even i got 0% mark not sure why i got like this even though i changed the IP and connected from ssh from terminal also. I could see 2 NIC in the servers but i changed existing one IP

@dextutor 11 месяцев назад

The reason is same. The answer to Networking question was wrong. You could not configure the network correectly. Put more effort on this topic. Cover as many scenarios as possible. Understand the key terminologies and network modification concepts. That's my suggestion

@mitchellmorrison8261 11 месяцев назад

make sure you change the method to manual so the network remains once the vm is reboot - can reboot to make sure. That is where I went wrong the first time.

@Riddhi232 2 года назад

# nmcli connection add con-name "static" ifname “eth0” type ethernet ip4 172.25.1.10/24 gw4 172.25.1.254 # nmcli connection modify "static" ipv4.dns 172.25.250.254 # nmcli connection modify "static" connection.autoconnect yes # nmcli connection modify "System eth0" connection.autoconnect no (Note: no for default connection) # nmcli connection up "static" is this right for exam?

@dextutor 2 года назад

What's the question?

@dextutor 2 года назад

Check the connection details after creating or modifying it. If everything is as per question then its correct