itramblings

Ramblings from an IT manager and long time developer.

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Register Linux (Ubuntu) server with Windows DNS

If you are looking for a script to help register your linux box with a windows DNS sever than you have come to the right place.

Note: For this to work you need to have enabled Windows DNS to allow unsecure updates

Note: This script ASSUMES that your /etc/network/interfaces is setup for static IP and has dns-nameservers and dns-search setup

Example:

# The primary network interface
auto eth0
iface eth0 inet static
        address 192.168.1.22
        netmask 255.255.255.0
        network 192.168.1.0
        broadcast 192.168.1.255
        gateway 192.168.1.1
        # dns-* options are implemented by the resolvconf package, if installed
        dns-nameservers 192.168.1.10 #my Windows DNS server
        dns-search corp.local # my DNS zone that I want to update

Step 1: create a folder calls /var/scripts

sudo vi /var/scripts

Step 2: create a script file called dns-update.sh

sudo vi /var/scripts/dns-update.sh

Step 3: paste the following into the script file

#!/bin/sh
ADDR=`/sbin/ifconfig eth0 | grep 'inet addr' | awk '{print $2}' | sed -e s/.*://`
HOST=`hostname -f`
DNSSERVER=`grep '[^#]dns-nameservers' /etc/network/interfaces | awk '{print $2}' | head -1`
DNSZONE=`grep '[^#]dns-search' /etc/network/interfaces | awk '{print $2}' | head -1`
echo "server $DNSSERVER" > /var/scripts/nsupdate.txt
echo "zone $DNSZONE" >> /var/scripts/nsupdate.txt
echo "update delete $HOST A" >> /var/scripts/nsupdate.txt
echo "update add $HOST 600 A $ADDR" >> /var/scripts/nsupdate.txt
echo "show" >> /var/scripts/nsupdate.txt
echo "send" >> /var/scripts/nsupdate.txt
nsupdate /var/scripts/nsupdate.txt

Step 4: Enable the script for execution

sudo chmod +x /var/scripts/dns-update.sh

Step 5: Run the script (or schedule it via cron)

sudo /var/scripts/dns-update.sh1

 

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Pretty good backup script for linux folders

This was originally taken from here with some modifications by me

Automating backups with tar

It is always interesting to automate the tasks of a backup. Automation offers enormous opportunities for using your Linux server to achieve the goals you set. The following example below is our backup script, called backup.cron. This script is designed to run on any computer by changing only the five variables:

  1. COMPUTER
  2. DIRECTORIES
  3. BACKUPDIR
  4. TIMEDIR
  5. BACKUPSET

We suggest that you set this script up and run it at the beginning of the month for the first time, and then run it for a month before making major changes. In our example below we do the backup to a directory on the local server BACKUPDIR, but you could modify this script to do it to a tape on the local server or via an NFS mounted file system.

  1. Create the backup script backup.cron file, touch /etc/cron.daily/backup.cron and add the following lines to this backup file:
    #!/bin/sh
    # full and incremental backup script
    # created 07 February 2000
    # Based on a script by Daniel O'Callaghan <danny@freebsd.org>
    # and modified by Gerhard Mourani <gmourani@videotron.ca>
    # and modified by Shawn Anderson <sanderson@eye-catcher.com> on 2016-08-14
    #Change the 5 variables below to fit your computer/backup
    
    COMPUTER=$(hostname) # name of this computer
    BACKUPSET=HOMEDIR # name of the backup set
    DIRECTORIES="/home" # directories to backup
    BACKUPDIR=/backups # where to store the backups
    TIMEDIR=/backups/last-full # where to store time of full backup
    TAR=/bin/tar # name and location of tar
    
    #You should not have to change anything below here
    PATH=/usr/local/bin:/usr/bin:/bin
    DOW=`date +%a` # Day of the week e.g. Mon
    DOM=`date +%d` # Date of the Month e.g. 27
    DM=`date +%d%b` # Date and Month e.g. 27Sep
    
    #Set various things up
    
    # Is PV installed?
    type pv &gt;/dev/null 2>&1 || sudo apt-get install pv
    
    # Do the required paths exist
    if [ ! -d $BACKUPDIR ]; then
       mkdir $BACKUPDIR
    fi
    
    if [ ! -d $TIMEDIR ]; then
       mkdir $TIMEDIR
    fi
    
    # On the 1st of the month a permanent full backup is made
    # Every Sunday a full backup is made - overwriting last Sundays backup
    # The rest of the time an incremental backup is made. Each incremental
    # backup overwrites last weeks incremental backup of the same name.
    #
    # if NEWER = "", then tar backs up all files in the directories
    # otherwise it backs up files newer than the NEWER date. NEWER
    # gets it date from the file written every Sunday.
    
    # Monthly full backup
    if [ $DOM = "01" ]; then
       NEWER=""
       $TAR $NEWER cf - -C $DIRECTORIES/* | pv -s $(du -sb $DIRECTORIES | awk '{print $1}') | gzip > $BACKUPDIR/$BACKUPSET-$COMPUTER-$DM.tgz
    fi
    
    # Weekly full backup
    if [ $DOW = "Sun" ]; then
       NEWER=""
       NOW=`date +%d-%b`
    
       # Update full backup date
       echo $NOW &gt; $TIMEDIR/$COMPUTER-full-date
       $TAR $NEWER cf - -C $DIRECTORIES/* | pv -s $(du -sb $DIRECTORIES | awk '{print $1}') | gzip > $BACKUPDIR/$BACKUPSET-$COMPUTER-$DOW.tgz
    
    # Make incremental backup - overwrite last weeks
    else
       # Get date of last full backup
       NEWER="--newer `cat $TIMEDIR/$COMPUTER-full-date`"
       $TAR $NEWER cf - -C $DIRECTORIES/* | pv -s $(du -sb $DIRECTORIES | awk '{print $1}') | gzip > $BACKUPDIR/$BACKUPSET-$COMPUTER-$DOW.tgz
    fi
    
    # Remove backup files older than 90 days (this really shouldn't be necessary unless something
    # isn't right with the auto-rotation. I have it in just for good measures
    find $BACKUPDIR/$BACKUPSET-$COMPUTER* -mtime +90 -exec rm {} \;
    Example 33-1. Backup directory of a week
    Here is an abbreviated look of the backup directory after one week:

    total 22217
    -rw-r--r-- 1 root root 10731288 Feb 7 11:24 deep-HOMEDIR-01Feb.<b class="command">tar</b>
    -rw-r--r-- 1 root root 6879 Feb 7 11:24 deep-HOMEDIR-Fri.<b class="command">tar</b>
    -rw-r--r-- 1 root root 2831 Feb 7 11:24 deep-HOMEDIR-Mon.<b class="command">tar</b>
    -rw-r--r-- 1 root root 7924 Feb 7 11:25 deep-HOMEDIR-Sat.<b class="command">tar</b>
    -rw-r--r-- 1 root root 11923013 Feb 7 11:24 deep-HOMEDIR-Sun.<b class="command">tar</b>
    -rw-r--r-- 1 root root 5643 Feb 7 11:25 deep-HOMEDIR-Thu.<b class="command">tar</b>
    -rw-r--r-- 1 root root 3152 Feb 7 11:25 deep-HOMEDIR-Tue.<b class="command">tar</b>
    -rw-r--r-- 1 root root 4567 Feb 7 11:25 deep-HOMEDIR-Wed.<b class="command">tar</b>
    drwxr-xr-x 2 root root 1024 Feb 7 11:20 last-full
    

    Important: The directory where to store the backups BACKUPDIR, and the directory where to store time of full backup TIMEDIR must exist or be created before the use of the backup-script, or you will receive an error message.

  2. If you are not running this backup script from the beginning of the month 01-month-year, the incremental backups will need the time of the Sunday backup to be able to work properly. If you start in the middle of the week, you will need to create the time file in the TIMEDIR. To create the time file in the TIMEDIR directory, use the following command:
    [root@deep] /# date +%d%b < /backups/last-full/myserver-full-date

    Where /backups/last-full is our variable TIMEDIR wherein we want to store the time of the full backup, and myserver-full-date is the name of our server e.g. deep, and our time file consists of a single line with the present date i.e. 15-Feb.

  3. Make this script executable and change its default permissions to be writable only by the super-user root 755.
    [root@deep] /# chmod 755 /etc/cron.daily/backup.cron

Because this script is in the /etc/cron.daily directory, it will be automatically run as a cron job at one o’clock in the morning every day.

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Ubuntu 15.04 – Configure your system to have x11vnc running at startup

This article was originally posted here.

Hello World,

If you are following us, you probably remember that we wrote already a post about this topic (see Ubuntu 14.10 – Configure your sytem to have x11vnc running at startup).
Since Ubuntu 15.04 is using systemd, the instructions found in the
previous post are not applicable anymore.  Some of our readers had
issues after upgrading to Ubuntu 15.04.  The x11VNC is not running at
startup anymore.

This post will provide the necessary information to have x11vnc running at startup on ubuntu 15.04 when systemd is used.

 

Our Goal !

At the end of this post, you should be able to connect via vnc to
your Ubuntu machine even if there is a reboot and even if no user are
logged into the machine.  This configuration should display the login
screen via vnc viewer client you are using.

We didn’t invent anything here.  All the
information provided here are based on the information made available
at this location :  https://help.ubuntu.com/community/VNC/Servers#Have_x11vnc_start_automatically_via_systemd_in_any_environment_.28Vivid.2B-.29

Installing x11vnc server

In this post, we have decided to use the
x11vnc server package to provide vnc capabilities.  The installation
process is quite straight forward.  Log into your ubuntu 15.04 machine,
open the terminal console and issue the following command :

sudo apt-get install x11vnc

VncUb14.10_1

Click on Picture for Better Resolution

To have a minimum of security, we will protect the vnc connection via
a password.  The password will be stored in a file.  To create this
file, you will need to issue the following command

sudo x11vnc storepasswd /etc/x11vnc.pass

You will be asked to enter a password. Enter the password and confirm your choice and you should be good to go

VncUb14.10_2

Click on Picture for Better Resolution

Create the Service Unit file

So far, we have just issued standard command related to the x11vnc
package.  We need to create the service unit file for our x11vnc
service.  To do this, we will issue the following command :

sudo nano /lib/systemd/system/x11vnc.service

This file should content the following lines

[Unit]
Description=Start x11vnc at startup.
After=multi-user.target
[Service]
Type=simple
ExecStart=/usr/bin/x11vnc -auth guess -forever -loop -noxdamage -repeat -rfbauth /etc/x11vnc.pass -rfbport 5900 -shared
[Install]
WantedBy=multi-user.target

Save the file

Configure Systemd

It’s time to issue the command to have systemd aware of the change
and make the service running at startup.  In a command prompt, you will
issue the following command :

sudo systemctl daemon-reload
sudo systemctl enable x11vnc.service

 

Restart the system and do not login.  We will check if this is working…..

Testing the solution !

To check that you can indeed perform a vnc connection to your Ubuntu
Machine, you will try to connect to it using your favourite vncviewer
(we are using TigerVnc) while nobody is connected and just after a
reboot of the machine.

In the vncviewer, you will provide the
ip address or hostname of the machine to connect and the port to be
used.  In our example, he port used is 5900.  If you have set a password to protect your vnc connection, you will be prompted for a password as well.

VncUb14.10_6

Click on Picture for Better Resolution

If everything is ok, you should see the Ubutun login page displayed inside your vncviewer

TigerVnc_U15.04.png

Click on Picture for Better Resolution

 

Final Notes

And voila !  We have sucessfully updated
the instructions on how to have x11vnc run at startup.  As you can see,
since Ubuntu 15.04 is using the Systemd solution, we need to create our
service unit files (x11vnc.service) and register them with systemctl
and we are done.

Pff… the last days I have updated some
of the most popular posts about xrdp, x11vnc and ubuntu 15.04… It’s time
for me to take a break…

Till next time

By

Setting Up Neo4j 2.0 on an Ubuntu Server

Authored by Steven Hall

Neo4j 2.0 is an awesome release of Neo Technology’s great graph database.  There are some significant new features and some changes to the data model that, I think, make it more accessible.  You can install it locally to play around and do some testing, but I wanted to create a remote server that I could use as a back-end for data visualization projects.  Below are some notes on getting Neo4j installed on Ubuntu 12.04. 

There are some real gotchas that took some time to figure out, but if you follow this step-by-step procedure you should have the browser application bundled with Neo4j up and running in less than 15 minutes.

I should note that the Neo4j website has instructions for setting up on debian based systems, but those instructions, which are very helpful, are incomplete and in some cases just don’t work for Ubuntu 12.04 (at least at the time I am writing this post).

Start from Fresh Ubuntu 12.04 Install

Neo4j is a Java application and in order to run the 2.0 version of the db server you need to have Java 7 installed before installing Neo4j.  Ubuntu does not officially support Java 7 so this becomes at little bit of a headache.  To install it using apt-get you need to add a repository and, incredibly, the command for adding repositories was unintentionally left out the latest versions of Ubuntu, so we need to correct that first.

You can add “sudo” (e.g. sudo apt-get update) to the following commands as applicable.  In my case, I installed as the root user on the server.

Install Java 7

Add the “add-apt-repository” command (important):

apt-get update
apt-get install python-software-properties

Install Java 7:

add-apt-repository ppa:webupd8team/java
apt-get update
apt-get install oracle-java7-installer

Install Neo4j:

Note:  this largely the same as Neo4j recommends, but I had to change a few things.

wget -O – http://debian.neo4j.org/neotechnology.gpg.key | apt-key add –
echo ‘deb http://debian.neo4j.org/repo stable/’ > /etc/apt/sources.list.d/neo4j.list
apt-get update
apt-get install neo4j

Start the Server:

/etc/init.d/neo4j-service start

Increasing Max Files

You’ll notice when you start the server that you get warning saying:

WARNING: Max 1024 open files allowed, minimum of 40 000 recommended.

Let’s correct that.  The instructions for handling this on the neo4j website did not work for me without a little modification.  Here’s what to do:

1. Edit /etc/security/limits.conf and add these two lines:
root   soft     nofile  40000
root   hard    nofile  40000

The neo4j recommends “neo4j” in place of “root” here.  That does not work.

2. Edit /etc/pam.d/su and uncomment or add the following line:
session    required   pam_limits.so

A restart is required for the settings to take effect.

Optionally Allow External Connections

If you want to be able to open the browser app and interact with the graph db on the remote server you need to allow remote connections.  Note that if you allow any IP address to connect then anyone can access your database, but if you just want to play around with the browser app this is what you do:

Edit /etc/neo4j/neo4j-server.properties and uncomment the following line:

org.neo4j.server.webserver.address=0.0.0.0

That will allow connections from any IP address, but you can also specify your current IP to limit to just that one.  That will make it a little bit safer, but if your IP changes you need to update the file accordingly.

So now just restart the database server and open the browser application in your web browser by going to:

http://{IP_ADDRESS}:7474/

 

Removing All Data from Neo4j

A couple more quick notes.  If you are playing around with the neo4j database and just want to clear it out and start over again, there are two things you can do:

1. Run a cypher query like this:

match n
with n
optional match n-[r]-()
delete r,n

This will remove all the nodes and relations in the db. However, a lot of meta-data remains and, in my experience, if have a lot of data in the db it will fail or take a long time to run (or both).

2. Recreate the Data Directory

If you really want to get the job done, it’s better to wipe out the entire data directory and make a new one.  The default directory is set in the /etc/neo4j/neo4j-server.properties file to data/graph.db.  On Ubuntu this directory will be located at :

/var/lib/neo4j/data

To wipe out the data the process would be:

/etc/init.d/neo4j-service stop         //Stop the Server
cd /var/lib/neo4j                           // Change to directory
rm -rf data                                    // Remove data/
mkdir data                                  // Make a new data/
chown neo4j data                     // Make sure neo4j can write to it
/etc/init.d/neo4j-service start    // Restart – Neo4j will make new graph.db etc

Hope that helps someone out there.

 Enjoy!

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Adding a new drive to linux

 

Determine Drive Information

We assume that the hard drive is physically installed and detected by the BIOS.

To determine the path that your system has assigned to the new hard drive, open a terminal and run:

sudo lshw -C disk

IconsPage/IconExample48.png This should produce output similar to this sample:

  *-disk
       description: ATA Disk
       product: IC25N040ATCS04-0
       vendor: Hitachi
       physical id: 0
       bus info: ide@0.0
       logical name: /dev/sdb
       version: CA4OA71A
       serial: CSH405DCLSHK6B
       size: 37GB
       capacity: 37GB

 

Be sure to note the “logical name” entry, as it will be used several times throughout this guide.

 

Command Line Partitioning

You’ll be using “fdisk” to accomplish this. Refer back to the logical name you noted from earlier. For illustration, I’ll use /dev/sdb, and assume that you want a single partition on the disk, occupying all the free space.

If the number of cylinders in the disk is larger than 1024 (and large hard drives always have more), it could, in certain setups, cause problems with:

  1. software that runs at boot time (e.g., old versions of LILO)
  2. booting and partitioning software from other OSs (e.g., DOS FDISK, OS/2 FDISK)

Otherwise, this will not negatively affect you. 

1) Initiate fdisk with the following command:

  •   sudo fdisk /dev/sdb 

2) Fdisk will display the following menu:

  •   Command (m for help): m <enter>
      Command action
       a   toggle a bootable flag
       b   edit bsd disklabel
       c   toggle the dos compatibility flag
       d   delete a partition
       l   list known partition types
       m   print this menu
       n   add a new partition
       o   create a new empty DOS partition table
       p   print the partition table
       q   quit without saving changes
       s   create a new empty Sun disklabel
       t   change a partition's system id
       u   change display/entry units
       v   verify the partition table
       w   write table to disk and exit
       x   extra functionality (experts only)
    
      Command (m for help):

3) We want to add a new partition. Type “n” and press enter.

  Command action
   e   extended
   p   primary partition (1-4)

4) We want a primary partition. Enter “p” and enter.

  Partition number (1-4):

5) Since this will be the only partition on the drive, number 1. Enter “1” and enter. 

  Command (m for help):

If it asks about the first cylinder, just type “1” and enter. (We are making 1 partition to use the whole disk, so it should start at the beginning.)

6) Now that the partition is entered, choose option “w” to write the partition table to the disk. Type “w” and enter.

  The partition table has been altered!

7) If all went well, you now have a properly partitioned hard drive that’s ready to be formatted. Since this is the first partition, Linux will recognize it as /dev/sdb1, while the disk that the partition is on is still /dev/sdb.

 

Command Line Formatting

To format the new partition as ext3 file system (best for use under Ubuntu):

  •   sudo mkfs -t ext3 /dev/sdb1

To format the new partition as fat32 file system (best for use under Ubuntu & Windows):

  •   sudo mkfs -t fat32 /dev/sdb1

 

As always, substitute “/dev/sdb1” with your own partition’s path.

 

Modify Reserved Space (Optional)

When formatting the drive as ext2/ext3, 5% of the drive’s total space is reserved for the super-user (root) so that the operating system can still write to the disk even if it is full. However, for disks that only contain data, this is not necessary.

NOTE: You may run this command on a fat32 file system, but it will do nothing; therefore, I highly recommend not running it.

You can adjust the percentage of reserved space with the “tune2fs” command, like this:

 sudo tune2fs -m 1 /dev/sdb1

This example reserves 1% of space – change this number if you wish.

  • (i) Using this command does not change any existing data on the drive. You can use it on a drive which already contains data.

 

Create A Mount Point

Now that the drive is partitioned and formatted, you need to choose a mount point. This will be the location from which you will access the drive in the future. I would recommend using a mount point with “/media”, as it is the default used by Ubuntu. For this example, we’ll use the path “/media/mynewdrive”

  •   sudo mkdir /media/mynewdrive

Now we are ready to mount the drive to the mount point.

 

Mount The Drive

 

You can choose to have the drive mounted automatically each time you boot the computer, or manually only when you need to use it.

 

Automatic Mount At Boot

Note: Ubuntu now recommends to use UUID instead, see the instructions here:https://help.ubuntu.com/community/UsingUUID

You’ll need to edit /etc/fstab:

  •   sudo vi -Bw /etc/fstab

Note: https://help.ubuntu.com/community/Fstab#Editing_fstab

Add this line to the end (for ext3 file system):

  •   /dev/sdb1    /media/mynewdrive   ext3    defaults     0        2

Add this line to the end (for fat32 file system):

  •   /dev/sdb1    /media/mynewdrive   vfat    defaults     0        2

    The defaults part may allow you to read, but not write. To write other partition and FAT specific options must be used. If gnome nautilus is being used, use the right-click, mount method, from computer folder. Then launch the mount command from terminal, no options. The last entry should be the FAT drive and and look something like:

      /dev/sda5 on /media/mynewdrive type vfat (rw,nosuid,nodev,uhelper=hal,shortname=mixed,uid=1000,utf8,umask=077,flush)

    All of the parts between the parenthesis are the mount options and should replace “defaults” in the fstab file. The “2” at the end instructs your system to run a quick file system check on the hard drive at every boot. Changing it to “0” will skip this. Run ‘man fstab’ for more info here.

You can now run “sudo mount -a” (or reboot the computer) to have the changes take effect.

If you want to allow a normal user to create files on this drive, you can either give this user ownership of the top directory of the drive filesystem: (replace USERNAME with the username)

  •   sudo chown -R USERNAME:USERNAME /media/mynewdrive

or in a more flexible way, practical if you have several users, allow for instance the users in the plugdev group (usually those who are meant to be able to mount removable disks, desktop users) to create files and sub-directories on the disk:

  •   sudo chgrp plugdev /media/mynewdrive
      sudo chmod g+w /media/mynewdrive
      sudo chmod +t /media/mynewdrive

The last “chmod +t” adds the sticky bit, so that people can only delete their own files and sub-directories in a directory, even if they have write permissions to it (see man chmod).

 

Manually Mount

Alternatively, you may want to manually mount the drive every time you need it.

For manual mounting, use the following command:

sudo mount /dev/sdb1 /media/mynewdrive 

When you are finished with the drive, you can unmount it using:

 

sudo umount /media/mynewdrive

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Ubuntu – The Perfect Server Setup

Page 1: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3

Page 2: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3-p2

Page 3: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3-p3

Page 4: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3-p4

Page 5: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3-p5

Page 6: http://www.howtoforge.com/perfect-server-ubuntu-11.04-ispconfig-3-p6

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Installing a GUI on Ubuntu Server

Report from here

We have already discussed how to install ubuntu 10.04 LAMP server .If you are a new user and not familiar with command prompt you can install GUI for your ubuntu LAMP server using one of the 2 options
 

 

1) Install desktop Environment

2) Install Webmin

1) Install desktop Environment

First you nee to make sure you have enabled Universe and multiverse repositories in /etc/apt/sources.list file once you have enable you need to use the following command to install GUI

 

sudo apt-get update

sudo apt-get install ubuntu-desktop

 

 

The above command will install GNOME desktop

If you wan to install a graphical desktop manager without some of the desktop addons like Evolution and OpenOffice, but continue to use the server flavor kernel use the following command

 

sudo aptitude install –no-install-recommends ubuntu-desktop

 

 

 

 

) Install Webmin in Ubuntu 10.04 server

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.Currently There is no Webmin package in the Ubuntu repositories.This tutorial will explain how to Install Webmin in Ubuntu Karmic

You can install webmin as your ubuntu server web interface to configure apache2,mysql,FTp servers and many more.Now we will see how to install webmin in Ubuntu 10.04 server

Using the Webmin APT repository

If you like to install and update Webmin via APT, edit the /etc/apt/sources.list file on your system

 

 

sudo vi /etc/apt/sources.list

 

 

add the line

 

 

deb http://download.webmin.com/download/repository sarge contrib

 

 

Save and exit the file

You should also fetch and install my GPG key with which the repository is signed, with the commands :

 

 

cd /root

wget http://www.webmin.com/jcameron-key.asc

sudo apt-key add jcameron-key.asc

 

 

 

You will now be able to install with the commands

 

sudo apt-get update

sudo apt-get install webmin

 

 

 

 

All dependencies should be resolved automatically.

Ubuntu in particular don’t allow logins by the root user by default. However, the user created at system installation time can use sudo to switch to root. Webmin will allow any user who has this sudo capability to login with full root privileges.

Now you need to open your web browser and enter the following

https://your-server-ip:10000/