Posts

How to Install and Configure fail2ban on ubuntu 14.04

Louis SanchezAugust 21st 2021, 2:23
Step 1 : Install and Configure fail2ban sudo apt-get install fail2ban After installation, the fail2ban daemon will start up and be configured to automatically start at boot-time. Configuring fail2ban is simply a matter of creating a configuration file. But, you shouldn't use its default config file (/etc/fail2ban/jail.conf). The problem with...
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How to Setup DHCP Server in Ubuntu Server 14.04

Louis SanchezAugust 21st 2021, 12:12
DHCP is a service used to automatically assign network configuration to client systems. DHCP can be used as a handy tool when you have a large pool of systems that needs to be configured for network settings. Plus, when you need to change the network configuration, say to update a...
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How to set a static ip address in Ubuntu Server 14.04

Louis SanchezAugust 20th 2021, 5:33
When you install Ubuntu server, its network setting defaults to dynamic IP addressing, that is, the network management daemon in Ubuntu searches for a DHCP server on the connected network and configures the network with the IP address assigned by DHCP. Even when you start an instance in the cloud,...
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How to Change Hostname on Ubuntu 21.04

Louis SanchezAugust 19th 2021, 7:07
How do you view your hostname? Step 1 : You need to use the hostname command or hostnamectl command hostname Step 2 : Output from the hostname command Setting the hostname Step 1 :Changing the hostname is fairly simple. To do this, we can use the hostnamectl command as root...
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How to Change Hostname on Ubuntu 18.04

Louis SanchezAugust 19th 2021, 7:00
How do you view your hostname? Step 1 : You need to use the hostname command or hostnamectl command hostname Step 2 : Output from the hostname command Setting the hostname Step 1 :Changing the hostname is fairly simple. To do this, we can use the hostnamectl command as root...
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How to Change Hostname on Ubuntu 16.04

Louis SanchezAugust 19th 2021, 6:52
How do you view your hostname? Step 1 : You need to use the hostname command or hostnamectl command hostname Step 2 : Output from the hostname command Setting the hostname Step 1 :Changing the hostname is fairly simple. To do this, we can use the hostnamectl command as root...
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How to Change Hostname on Ubuntu 20.10

Louis SanchezAugust 19th 2021, 12:43
How do you view your hostname? Step 1 : You need to use the hostname command or hostnamectl command hostname Step 2 : Output from the hostname command Setting the hostname Step 1 :Changing the hostname is fairly simple. To do this, we can use the hostnamectl command as root...
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How to Change Hostname on Ubuntu 14.04

Louis SanchezAugust 19th 2021, 12:31
How do you view your hostname? Step 1 : You need to use the hostname command or hostnamectl command hostname Step 2 : Output from the hostname command Setting the hostname Step 1 :Changing the hostname is fairly simple. To do this, we can use the hostnamectl command as root...
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How to set up ssh keys on ubuntu server 20.10

Louis SanchezAugust 15th 2021, 12:50
Follow these steps to set up public key authentication: Step 1 : Change to the home directory with cd ~/ cd ~/ Step 2 : Create a .ssh directory if it doesn't already exist mkdir .ssh Step 3 : Create a file named authorized_keys under the .ssh directory touch .ssh/authorized_keys...
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How to set up ssh keys on ubuntu server 14.04

Louis SanchezAugust 15th 2021, 4:14
Follow these steps to set up public key authentication: Step 1 : Change to the home directory with cd ~/ cd ~/ Step 2 : Create a .ssh directory if it doesn't already exist mkdir .ssh Step 3 : Create a file named authorized_keys under the .ssh directory touch .ssh/authorized_keys...
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