How to create SSH Keys in Ubuntu / Linux
Linux/Ubuntu provide a command “ssh-keygen” to create ssh public/private keys. ssh-keygen generates, manages and converts authentication keys for ssh. ssh-keygen …
Category: System Administration, Security
Identify which application / process is using which port or keeping it busy on android / Linux
Lets say you are trying to do something with UPNP which reserves port 1900 for all of its applications.. Now …
How to install docker on 32 bit Ubuntu
If you want to install docker on ubuntu, follow below procedure, $ sudo apt install docker.io $ sudo docker run …
How to Send Email from Linux Command Line using SSMTP ( Ubuntu, Gmail, Amazon AWS )
SSMTP is a program which delivers email from a local computer to a configured mailhost (mailhub). It is not a …
Solved : E: Could not get lock /var/lib/dpkg/lock – open (11: Resource temporarily unavailable)
If you are trying to install some package on ubuntu and by some means, in middle of the installation, some …
Creating a bootable Ubuntu USB pen drive using Startup Disk Creator / usb-creator-gtk for installing ubuntu
The first step to install ubuntu on your laptop/desktop is for us to create the bootable pendrive which contains the …
Scan, Pair, Connect to Bluetooth device from Ubuntu from command line using bluetoothctl
bluetoothctl is bluetooth control tool which allows us to make the host discoverable, scan other devices, pair to the scanned …
How to stream microphone audio to laptop speaker on Linux / Ubuntu
If you have a microphone with 2.5mm audio jack and dont have a mixer which can play the voice streams …
Scan and display all available wireless / wifi networks on ubuntu platforms
LINSSID – linssid is a graphical wireless scanner, LinSSID displays locally receivable 802.11 wireless attach points and ad hoc networks. A …
How to login another machine without password OR How to setup passwordless SSH login in Linux
On Local Machine, from where you will try to login another machine, we need to use ssh-keygen to create ssh …