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

nixCraft

nixCraft

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

Ubuntu: /dev/xvda2 should be checked for errors

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

How to disable ssh motd welcome message on Ubuntu Linux

How to list VM images in LXD (Linux Containers)

How to ping and test for a specific port from Linux or Unix command line

How to find out and show a log of actions taken by the software management on Linux