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Ubuntu Linux

How to create a new sudo user on Ubuntu Linux server

I am a new Ubuntu Linux 16.04.xx LTS server user. How do I create a new sudo user on my server? How do I add a new user as sudoer file using the command line option on Ubuntu?
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Error while loading shared libraries: libXrender.so.1 on Linux

I am trying to use wkhtmltopdf command to create and convert html pages to a pdf. However, I am running into errors though as follows when try to use wkhtmltopdf via a shell or Python script:
     Creating foo.pdf …
     ~/bin/wkhtmltox/bin/wkhtmltopdf: error while loading shared libraries: libXrender.so.1: cannot open shared object file: No such file or directory
     Error: foo.pdf not found.

How do I fix this problem with out installing the xserver on my Ubuntu or Debian server?
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How to copy a single file to multiple directories in Linux or Unix

If I want to copy a single file into three locations (directories), by using a single cp command (e.g. cp file /dir1/ /dir2/ /dir3/. Would that be possible? If yes, please provide the command for GNU/Linux or Unix operating systems.
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Ubuntu Linux Install GNU GCC Compiler and Development Environment

How do I install GNU/GCC (C and C++) compiler and related tools (such as make, debugger, man pages) collection under Ubuntu Linux operating system using command line options?
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How to pair Pi-hole with an OpenVPN to block ads and increase privacy on Ubuntu / Debian Linux

I followed your tutorial to install an OpenVPN on my Ubuntu server in the cloud. How can I install Pi-hole to block ads, reduced my 4G/3G/LTE traffic on the same Debian or Ubuntu Linux server?
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How to install LXD container hypervisor on Ubuntu 16.04 LTS server

How do I install LXD container “hypervisor” to runs unmodified Debian/Ubuntu/CentOS Linux operating systems VM at incredible speed on a Ubuntu Linux 16.04 LTS server?
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How to automatically mount zfs file system on Linux/Unix/FreeBSD

I have created a zfs file system called data/vm_guests on Ubuntu Linux server. After the server reboot, zpools do not automatically mount at /data/vm_guests. It is failing my KVM guest machines. How can I mount my ZFS (zpool) automatically after the reboot?
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How to live patch Ubuntu Linux Kernel without rebooting the server

Kernel live patching enables runtime correction of critical security issues in running kernel without rebooting. How do I enable or patch my Ubuntu Linux 16.04 LTS server without rebooting the box?
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How to install KVM on Ubuntu 16.04 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 with bridged networking, setup guest operating system as the back-end virtualization technology for non-graphic Ubuntu Linux 16.04 LTS server?
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Ubuntu 16.04 Create a cron.log File To Log crontab Logs

I am a new Ubuntu Linux 16.04 user. How do I verify that my cron job is executing? I am unable to find /var/log/cron.log file. Where is the cron log file on Ubuntu 16.04 LTS server?
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