CentOS 7: Install webmin


Table of Contents

1 Install webmin

Add webmin repository.

$ sudo su -c ‘cat <<EOF > /etc/yum.repos.d/webmin.repo[Webmin]name=Webmin Distribution Neutral#baseurl=http://download.webmin.com/download/yummirrorlist=http://download.webmin.com/download/yum/mirrorlistenabled=1EOF’$ wget -q sudo rpm –import jcameron-key.asc

Install webmin.

$ sudo yum install -y webmin$ sudo systemctl enable webmin

Open 10000/tcp.

$ sudo firewall-cmd –add-port=10000/tcp –permanent$ sudo firewall-cmd –reload

Set root password.

$ ROOT_PASSWD=password$ sudo /usr/libexec/webmin/changepass.pl /etc/webmin root ${ROOT_PASSWORD}

Reboot machine.

$ sudo reboot

1.1 Change port

Change “port” and “listen” in /etc/webmin/miniserv.conf. Run “sudo systemctl restart webmin”.

$ sudo sed -e ‘s/^port=.*/port=10002/g’ -e ‘s/^listen=.*/listen=10002/g’ -i /etc/webmin/miniserv.conf$ sudo systemctl restart webmin

2 Access to webmin

Access to 10000/tcp via https.

https://<server>:10000

While webmin uses https, browser does not import certificate authority for webmin. This will be resolved after accessing to webmin as except.

In case of Chrome, display ADVANCED and click “Proceed to xxx”.

0001_https-error.png

Login as root.

0002_login.png

The dashboard is displayed.

0003_dashboard.png

3 Script for installing webmin

The following script will install webmin. root password is “password”.

#!/bin/shROOT_PASSWORD=”password”TMP=`mktemp -t centos-setup-webmin.sh.XXXXXX`trap “rm $TMP* 2>/dev/null” 0sudo su -c ‘cat <<EOF > /etc/yum.repos.d/webmin.repo[Webmin]name=Webmin Distribution Neutral#baseurl=http://download.webmin.com/download/yummirrorlist=http://download.webmin.com/download/yum/mirrorlistenabled=1EOF’wget -q http://www.webmin.com/jcameron-key.asc -O ${TMP}sudo rpm –import ${TMP}sudo yum install -y webminsudo /usr/libexec/webmin/changepass.pl /etc/webmin root ${ROOT_PASSWORD}sudo systemctl enable webminsudo firewall-cmd –add-port=10000/tcp –permanentsudo firewall-cmd –reloadsudo reboot

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