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How To Install Webmin on an Ubuntu Cloud Server

Published on May 8, 2013
Faraz Fallahi

By Faraz Fallahi

How To Install Webmin on an Ubuntu Cloud Server

About Webmin

Webmin is a web-based interface for system administration for Unix. Using any modern web browser, you can setup user accounts, Apache, DNS, file sharing, and much more. Webmin removes the need to manually edit Unix configuration files, like /etc/passwd, and lets you manage a system from the console or remotely.

Step One—Root Login

Once you know your IP address and root password, login as the main user, root.

ssh root@123.45.67.890

Step Two—Add Webmin to APT repository

Edit the /etc/apt/sources.list file on your system and add the following lines.

Open the file with nano:

nano /etc/apt/sources.list

Press [Page Down] button on the keyboard to reach to the end of file. (or press Left ALt+/)

Then paste these two lines below:

deb http://download.webmin.com/download/repository sarge contrib
deb http://webmin.mirror.somersettechsolutions.co.uk/repository sarge contrib

Save changes with CTRL+O and exit with CTRL+X.

Step Three—Install Webmin’s GPG key

You should also fetch and install Webmin’s GPG key in which the repository is signed and with the commands:

cd /root
wget http://www.webmin.com/jcameron-key.asc
apt-key add jcameron-key.asc

Step Four—Install Webmin

You will now be able to install with the commands:

apt-get update
apt-get install webmin

Step Five—Login to Webmin

Open your browser and go to http://your_droplet_ip:10000/

login

You can now login as root with your root password, or as any user who can use sudo to run commands as root.

account

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About the author

Faraz Fallahi
Faraz Fallahi
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Might be worth mentioning that if you created a root user using a SSH key and thus don’t have a password then SSH ing and run the following command

sudo passwd root

Follow the prompts and then you should be able to login to webmin.

@Neil Sweeney: That is correct, thanks! :]

Hello,

I am really a newbie on linux so here is my question: I am using ubuntu 13.04 since I need php 5.4.x

And webadmin would make alot of things easier since im bad at linux.

So, do I need to install LAMP then install webadmin, or should I just install webadmin right away on my new vps?

also, does that tutorial work on ubuntu 13?

I believe webmin installs Apache for you. I don’t know if it can be installed on an Ubuntu 13.04, but you can try it and if it doesn’t work, you can rebuild your droplet from a 12.04 image.

Thank you.

It works on 13.04 tested yesterday :) But I have changed to 12.04 since its LTS, so just made a lamp install and upgraded to php 5.4 using ppa:ondrej/php5-oldstable.

Anyways do you think I should clear my install, and install webmin right away then try to upgrade the php version using ondrej? It worked fine yesterday on 13.04 when I first installed lamp then webmin, still maybe thats not the right way to do it.

Thanks

@kevin_thulin: If it’s working fine, I don’t think you need to redo it again from scratch. Keep it this way for a while and see how it goes.

If im using digitalocean’s lamp stack, what’s my default user/pass for sql?

@garnet: root:password, you should change it immediately once you log in (read the MOTD when you log in via SSH or run <code>cat /etc/motd.tail</code>

Small note: I had to login using https instead of http. Seems to be working fine, except for that little turnaround I had to do in the tutorial.

Hi,

I get the following error when trying to install webmin:

E: unable to locate package webmin

Any ideas?

Hi,

I get the following error when trying to install webmin:

E: unable to locate package webmin

Any ideas?

Hi,

I get the following error when trying to install webmin:

E: unable to locate package webmin

Any ideas?

@me: Did you run <pre>sudo apt-get update</pre>?

I already installed Apache & PHP, is it safe to install Webmin? I’m using Ubuntu 12.04 x32 for my Droplet. Thanks.

<b>Suggestion:</b> “You can now login with your root account.” should be changed to <blockquote>You can now login as root with your root password, or as any user who can use sudo to run commands as root.</blockquote>

After install of webmin, can i upgrade / scale my droplet tomorrow without worrying about re-installing it or anything like that?

@me:

Did you complete <b>Step Two</b>? I just ran through the tutorial, from start-to-finish, and was able to successfully deploy Webmin.

@Pablo: Thanks, updated. :]

@service: Yes, you can resize your droplet anytime you want without losing your data.

I’m receiving this error as well: E: Unable to locate package webmin

On a clean WordPress Droplet.

Ah, the issue for me was a typo: “source” instead of “sources” in step two.

Tutorial worked great, but I was wondering how I can fix the “Identity not verified” security issue.

@lachlan.j.healey: What do you mean by the “Identity not verified” security issue?

Just to help out here, Webmin uses its own server, so no worries about what sort of stack you have installed or upgrading your existing stack. Webmin is a perl app.

Might I politely suggest that if you didn’t already know that at minimum, you are not prepared enough to install and secure this (or any package you know that little about). At least look something up on Google or even Wikipedia before installing on a server. Know the security histories. See if something is actively maintained and not a black hat’s delight. Remember, this is the real world, and apps like Webmin have been known to be security holes of the first order.

Gentleman with the MySql question about how your unsecured root login works: stop installing anything and get a book and an experienced friend and jump on those basics before your machine has a rootkit ok? GUIs are not intended to make it so you have to know less about what is under them *nix world like they are for Windows and the Mac. If anything you need to know more to avoid doing things that are insecure.

My 2 cents, Kurt

I got https error. How to deal with it?

@techaddict009: That’s fine, it’s because the cert is self-signed and not signed by a trusted CA.

thanks :) DO is the best

I cant access anything. Its like I dont have internet, and can’t access ssh, or my webpage or email

If I change to another ISP (differente public ip) I can access OK

I haved flushed iptables by csf, and nothing

I have searched a lot and cant find anything.

Thanks

I installed Webmin with the above after having a working WordPress site on my droplet. But when I installed Webmin but could not log in to Webmin or login to phpmyadmin. I had taken a snapshot of my droplet before the install so in the end, I restored my droplet from the snapshot. But now when I try to access my site, I get “Error establishing a database connection”.

Doesn’t a ‘restore from snapshot’ restore all data including databases? Why would it be missing? Any help would be appreciated. Thanks.

@jimc: A snapshot is a complete copy of your droplet’s disk, it should include all data. Try starting MySQL manually, do you get any errors?

sudo service mysql start

Hello,

nice tutorial. I got webmin up and running and I can access it on localhost (lynx via ssh). However, I can’t access it offsite. What am I doing wrong?

Thanks

will the webmin affect my current droplet and the services installed apache,mysql radius etc ?

Hi, Great article. I have a question: I installed Ubuntu 14.04 LTS with an pre-config Image (suggested by Digital Ocean), now I already have PHP - Apache2 - MySQL.

Does the installation destroy my current website?

This comment has been deleted

got an error E:Sub-process /usr/bin/dpkg returned an error code (1) how to fix these

Can’t Install Webmin

E: Type ‘http://download.webmin.comdeb’ is not known on line 61 in source list /etc/apt/sources.list E: Type ‘/deb’ is not known on line 1 in source list /etc/apt/sources.list E: The list of sources could not be read.

Can’t Login to Webmin (I was login SSH with user and password MySql)

This webpage is not available

ERR_CONNECTION_REFUSED

I am getting: The following packages have unmet dependencies: webmin : Depends: libnet-ssleay-perl but it is not installable Depends: libio-pty-perl but it is not installable Depends: apt-show-versions but it is not going to be installed E: Unable to correct problems, you have held broken packages.

Let me know if there are any updates that need to be done that I am missing. I have tried the above multiple times.

I have installed it but its not working in my browser . do anyone know why ?

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