Ubuntu Linux – nixCraft

How to Install and Configure latest version of Ansible on Ubuntu Linux

October 21, 2017October 21, 2017in Debian / Ubuntu, Linux, Ubuntu Linux last updated October 21, 2017

I am a new Ubuntu Linux user. How do I install Ansible on a Ubuntu Linux 16.04 LTS or 17.10 desktop control machine?

How to install curl command on a Ubuntu Linux

October 20, 2017in Linux, Package Management, Ubuntu Linux last updated October 20, 2017

I am a new Ubuntu Linux user. I switched from Apple MacOS/Macbook and I trying to run the curl command from a shell script but getting the following error:
bash: curl: command not found
How do I fix this on a Ubuntu Linux version 17.10/16.04 LTS?

How to install the latest/stable version of Linux kernel on Ubuntu Linux using apt-get

July 22, 2017July 23, 2017in Linux, Ubuntu Linux last updated July 23, 2017

I read your tutorial about compiling a stable version of the Linux kernel on a Ubuntu/Debian Linux. I wanted to install the same using apt-get command. How can I install the latest (mainline) Linux kernel on Ubuntu Linux?

How to find out if my Ubuntu/Debian Linux server needs a reboot

June 20, 2017June 20, 2017in Commands, Debian / Ubuntu, Linux, Ubuntu Linux last updated June 20, 2017

I use ansible-playbook to update my VMs and bare metal servers hosted in a remote data center. How do I tell, whether the Ubuntu Linux server requires a reboot using the command line over ssh based session?

Ubuntu: /dev/xvda2 should be checked for errors

June 16, 2017in Amazon Cloud Computing, Debian / Ubuntu, Hardware, Linux, Troubleshooting, Ubuntu Linux last updated June 16, 2017

When I log in to my Ubuntu Linux 16.04 LTS AWS cloud server, I get the message on screen: /dev/xvda2 should be checked for errors. I can not run fsck command on /dev/xvda1 because it is mounted. How do I check my disk for error without corrupting data?

How to install tinc VPN on Ubuntu Linux 16.04 to secure traffic

June 7, 2017June 27, 2017in Debian / Ubuntu, Linux, Security, Ubuntu Linux last updated June 27, 2017

I have two VPS running in the cloud. The first one is the database, and another one is the web server. I want to secure traffic that flows between private network which is insecure by design and I do not want to use OpenVPN due to complex settings. How do I install and setup tinc VPN server and secure my traffic over VPN on Ubuntu Linux 16.04 LTS server?

How to disable ssh motd welcome message on Ubuntu Linux

May 29, 2017in Debian / Ubuntu, Linux, Ubuntu Linux last updated May 29, 2017

I want to disable the message of the day (motd) welcome message after I login over ssh on Ubuntu Linux. How do I disable motd on Ubuntu Linux 17.04?