Unix/Linux

Ubuntu Server Boot Drops to a Initramfs prompts BusyBox

Boot drops to BusyBox shell

Sometimes when you start your Ubuntu Server, it will not boot into a normal shell rather into BusyBox shell. The BusyBox shell would look something like this: BusyBox v1.18.5 (Ubuntu 1:1.18.5-1ubuntu4) built-in shell (ash) Enter ‘help’ for a list of built-in commands. (initramfs) Here is the method that I used to get out of the …

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How to Install Secure FTP

Follow these steps to install the secure FTP server: Install vsftpd with the following command: $ sudo apt-get update $ sudo apt-get install vsftpd After installation, we can configure vsftpd by editing /etc/vsftpd.conf. Before editing the configuration file, don’t forget to create a backup of the file. $ sudo cp /etc/vsftpd.conf /etc/vsftpd.conf.bak First create the …

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Jenkins Installation on Ubuntu Servers or Machines

Installation wget -q -O – https://pkg.jenkins.io/debian/jenkins-ci.org.key | sudo apt-key add – sudo sh -c ‘echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list’ sudo apt-get update sudo apt-get install jenkins Update sudo apt-get update sudo apt-get install jenkins  

Installing and using UFW on Ubuntu 18.04 LTS

Managing firewall using iptables is complicated. While iptables provides powerful functionality it’s syntax is often seen as complex. For most users a friendlier syntax can make managing your firewall much easier. UFW serves this purpose. UFW stands for ‘uncomplicated firewall’. It is take as an alternative to the complicated iptables. Most probably, your server will …

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How to Install Docker in Ubuntu 18.04 Cheat-sheet

How to install Docker in Ubuntu 18.04: Docker is containerization application. Containers are platforms that let you run your applications in resource-isolated processes. Unlike virtual machines that you create in Virtual Box, containerization applications like Docker provide more portability, user-friendliness, and closeness to the host operating system and its resources. Here in this post, I …

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