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apt-get command

Ubuntu Linux Remove/Delete PPAs apt-get command

Over time I have added way too many PPAs using the add-apt-repository command on Ubuntu Linux 16.04 LTS server for testing purpose. How can I delete or remove those PPAs? Is there a command to list all PPAs?
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How to enable proposed archive repo on Ubuntu Linux to install packages

How do I enable the proposed archive for Ubuntu 16.04 LTS use the apt-get to installed selected kernel updated that is not released yet?
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How to install wget on a Debian or Ubuntu Linux

I recently switched from Windows server operating system to Debian Linux for my PHP based apps. I need to install something using wget. But it says:
    bash: wget: command not found
How do I solve this problem? How can I install wget tool on a Debian Linux home server?
Read: How to install wget on a Debian or Ubuntu Linux

How to get list of installed packages on Ubuntu / Debian Linux

I am a new Ubuntu Linux sysadmin. How do I get a list of all installed packages on server1 and install those on server2? How to list all installed packages using apt-get command on Ubuntu or Debian server?
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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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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 install PHP 7 on Debian Linux 8.7/7.x [jessie/wheezy]

I wanted to use PHP 7 on Debian 8.x. How do I install and configure PHP 7 on Debian Linux 8.x server? How do I install PHP 7 on Debian Linux 7.x “wheezy” VPS server hosted in cloud?
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10 Ubuntu / Debian Linux apt Command Examples

ip-command

I am a new Linux system admin user. How do I use apt command line utility for the package management on Ubuntu Linux LTS and Debian Linux server? How can I use the apt command for the package management?
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How to check Debian/Ubuntu Linux package version using apt-get/aptitude command

I am a new Debian / Ubuntu Linux sysadmin. I would like to find out what version I would install if I ran the apt-get command. How do I find out which versions of a package can I install using apt-cache/apt-get command? How do you check package version using apt-get/aptitude on Debian or Ubuntu Linux server?
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How to find out when Debian or Ubuntu package installed or updated

How do I find and list installed Debian or Ubuntu Linux packages date? How can I see when packages got updated on my systems?
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