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CentOS 7 Webmin Install
Category: Member Blogs
Tags: centos 7 webmin install auto start firewall allow

For those who donít know, Webmin is a web-based tool to mange every aspect of your Unix-like systems. From creating new accounts to managing file permissions to installing applications and services, Webmin allows you to perform all these tasks easily from any modern web browser.

Instead of using the command line console or terminal, new systems administrators could install Webmin and perform all system management from via a web browser without sacrificing time and efforts. Webmin also enables remotely management of your servers.

Before you continue with the installation, please make sure you have root level permissions to your system. If you donít have root access the installation may fail.

Since Webmin isnít available in the default CentOS repositories, you must add its repository to your system before installing. To do that, run the commands below to create a repository file for Webmin.

sudo vi /etc/yum.repos.d/webmin.repo

Next, add these lines into the file and save it

[Webmin]
name=Webmin Distribution Neutral
#baseurl=http://download.webmin.com/download/yum
mirrorlist=http://download.webmin.com/download/yum/mirrorlist
enabled=1

After saving it, run the command below to add the repository key to your system for the repository you just added above. Doing this tells CentOS 7 to also trust the repository and all its packages. A repository without a valid key may not be used to install packages on CentOS 7 machines.

cd /tmp && wget http://www.webmin.com/jcameron-key.asc
rpm --import jcameron-key.asc

Next, run the commands below to install Webmin.

sudo yum install webmin

Next, run the commands below to enable Webmin to always start up when your system reboots or restarted.

sudo chkconfig webmin on

Then run the commands below to start Webmin

sudo service webmin start

After installing Webmin, open any modern browser and browse to the server via its hostname or IP address followed by :10000

(example:†http://server_IP:10000)

You should see a logon page for Webmin. At this point, use your server credentials to sign on.

If you donít see the logon page or if you get a 404 page, then make sure the firewall has an opening for web traffic. If not, run the commands below to allow HTTP traffic.

sudo firewall-cmd --permanent --zone=public --add-port=10000/tcp
sudo firewall-cmd --permanent --zone=public --add-service=https
sudo firewall-cmd --reload

Thatís it! Webmin is installed and ready to use.†

The System Information page shows you the overall systemís resources and other information. You can also view available updates from this page. Again, you can manage almost every aspect of your system from Webmin.

To create user, go to the Users and Groups page. There youíll be able to easily create and manage user accounts.

So, look around and explore the various features and services that are available through Webmin and begin setting up and customizing your systems.

There are many functions available through Webmin.. from restart servers and servers to managing services and VPN to using CD burner and printers and more. Itís just a wonderful software to have installed.

Enjoy!

Geek Speak
Category: Member Blogs
Tags: http proxy squid export special characters password

I ran into an issue today where I needed to update a CentOS box via Yum, but it was sitting behind a proxy. †Using the export command would usually work to update in the form of:†

export http_proxy="http://userr_name:mypassword@proxy_server_name:64000"†

However if you use special characters this will return an error. †In my case I used a bang in my password. †Here is the result:

-bash: !@proxy_host_name: event not found

The work around for this was to use URL encoding. †So my ! becomes %21 or mypassword%21

I hope this saves someone some research!

Custom Mustang P-51 Inspired Wing Aluminum Wing Table
Category: Member Blogs
Tags: Airplane wing table custom aluminum table

Here are a few shots from a custom project I have been working on over the last year. More photos to follow.

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