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Ubuntu Linux

How to install KVM on Ubuntu 14.04 LTS Headless Server

Kernel-based Virtual Machine (KVM) is a virtualization module for the Linux kernel that turns it into a hypervisor. How can I install KVM, setup guest operating system as the back-end virtualization technology for non-graphic Ubuntu Linux 14.04 LTS server?
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How to block an IP address with ufw on Ubuntu Linux server

I am using UFW to manage firewall on my Ubuntu Linux 12.04/14.04 LTS server. I need to block a specific IP address from accessing my server. How do I block an IP address using ufw?
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Ubuntu Linux check cron log file error or messages in /var/log/cron.log file

I am trying to find errors or message for my cron job on Ubuntu Linux server. Where is the cron log in Ubuntu Linux 12.04/14.04 LTS server? How do I check cron logs in Ubuntu server? How to check if crond server is enabled and/or is running properly on Ubuntu Linux server?
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Debian / Ubuntu Linux Delete Old Kernel Images Command

I‘m a new Ubuntu Linux user and noticed that old kernel still exists in my system. Why doesn’t Ubuntu remove old kernels automatically? How do I delete old unused kernel images to free disk space. How to remove unused old kernel images on Ubuntu Linux safely?
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How to Set Locales (i18n) On a Linux or Unix

What is a “locale” on a Linux operating system? How do I set or get locals (i18n) values on a Linux operating system?
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How To Use apt-get with IPv4 or IPv6 Transport on a Ubuntu or Debian or Mint Linux

It is possible that I can forces my apt-get command command only use IPv6 or Ipv4 transport on a Debian or Ubuntu Linux server?
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How to Compile and Install Linux Kernel v4.5 Source On a Debian / Ubuntu Linux

How do I download, compile and install the latest version of the Linux kernel on a Debian Linux v8.x or Ubuntu Linux LTS home server or my laptop? How do I build and install a custom Linux kernel on a Debian or Ubuntu Linux based system?
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How To Join Several Partition Together To Form a Single Larger One On a Linux Using mhddfs

I‘ve three old hard drives: sized 60, 60 and 120 GB. And 200 GB of video files, which I need to store on these drives. How would I store all my files on three hard drive without split a file into pieces or creating RAID array? How can I combines a several mount points (partitions) into the single one on a Linux operating systems?
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A very serious security problem has been found in the virtual floppy drive QEMU’s code used by many computer virtualization platforms including Xen, KVM, VirtualBox, and the native QEMU client. It is called VENOM vulnerability. How can I fix VENOM vulnerability and protect my Linux server against the attack? How do I verify that my server has been fixed against the VENOM vulnerability?
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Install LEMP (Linux, Nginx, MySQL and PHP) Stack on Ubuntu Linux 14.04 LTS

I‘m a new Ubuntu Linux user. How do I install the LEMP stack on an Ubuntu Linux 14.04 LTS server using command line options to serve dynamic web apps?
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