How to start the SSH server in Venom Linux.

To start the SSH server on a Venom Linux machine, use this command. bash-5.0# /usr/sbin/sshdbash-5.0# /usr/sbin/sshd This will start up the SSH server and then you may connect over SSH to your machine. Edit the /etc/ssh/sshd_config file and make these changes to allow the SSH server to run and allow logins. Allowing root login is … Read more

A Data Warehousing solution using SQL Server

I have been researching a system for deploying a database cluster. I have chosen the Microsoft SQL Server product. This does support server clustering and uses nodes clustered together on a network to create a failover network that will automatically maintain operation if one node is to fail. A virtual network of database nodes spread … Read more

Discussion of virtualization and database servers.

I have been researching a system for deploying a database cluster. I have chosen the Microsoft SQL Server product. This does support server clustering and uses nodes clustered together on a network to create a failover network that will automatically maintain operation if one node is to fail. A virtual network of database nodes spread … Read more

Print useful Ubuntu news in your terminal easily.

This useful news is printed when a user opens the TTY console on Ubuntu and logs in. The news is from /var/cache/motd-news. But if a user puts this command in their .bashrc, the news will appear. cat /var/cache/motd-newscat /var/cache/motd-news The /var/run/motd.dynamic file contains the rest of the information printed to the TTY screen upon login. … Read more

How to show a banner explaining terms of use for an SSH connection before login.

It is very simple to show a banner to your users, that explains the terms of use for an SSH connection upon the user reaching a login prompt. Firstly, create a file named info in the /etc/ssh directory. sudo touch /etc/ssh/infosudo touch /etc/ssh/info Then put this in it. *************************************************************************** NOTICE TO USERS     This … Read more

The ss command. A very useful way to find open and listening ports on a Linux system.

The ss command for Linux allows a user to list all listening ports on a Linux system. This command lists all listening TCP ports. homer@deusexmachina ~ $ ss -l -t State Recv-Q Send-Q Local Address:Port Peer Address:Port LISTEN 0 1 127.0.0.1:4101 *:* LISTEN 0 50 *:netbios-ssn *:* LISTEN 0 128 *:sunrpc *:* LISTEN 0 128 … Read more

Install the cockpit service on your Linux server and administer it from any PC on your network.

The cockpit service for Linux enables remote administration of a Linux PC from a client machine running any web browser. Installing this on Linux Mint is very easy. I am using Linux Mint 18.1 Firstly, run this command to install the PPA. jason@jason-virtual-machine ~ $ sudo add-apt-repository ppa:cockpit-project/cockpitjason@jason-virtual-machine ~ $ sudo add-apt-repository ppa:cockpit-project/cockpit Then update … Read more

Linux just as important as ever in the modern world.

Windows 10 is the current operating system that Microsoft are pimping, but Linux is still very important. Servers run the free operating system, and there are many jobs that require Linux administration experience. The Windows 10 bash shell cannot run server software such as Apache and MySQL, this means that an actual Linux machine is … Read more

How to get just the IP address of your Linux machine using curl.

To get just the IP address of your Internet facing Linux machine, use this command. jason@jason-desktop:~/Documents/ipinfo/src$ curl icanhazip.comjason@jason-desktop:~/Documents/ipinfo/src$ curl icanhazip.com This will return just your IP address. This is another way to get this information. jason@jason-desktop:~/Documents$ curl ipinfo.io/ipjason@jason-desktop:~/Documents$ curl ipinfo.io/ip To get information about a DNS server, use the dig command. jason@jason-desktop:~/Documents/ipinfo/src$ dig 8.8.8.8   … Read more

How to setup NTP on Ubuntu to set the system time automatically.

To install NTP on Linux and update the system time automatically from the Internet, firstly install the NTP client. jason@darkstar:~$ sudo apt-get install ntpjason@darkstar:~$ sudo apt-get install ntp Then install the ntpdate utility. sudo apt-get install ntpdatesudo apt-get install ntpdate Then you may synchronize the time on your machine with the Internet time server. jason@darkstar:~$ … Read more