NodeJS 14+ is needed in WSL. Usual installation via apt in Ubuntu doesn't work. This one works so far: 1curl -fsSL https://deb.nodesource.com/setup_16.x | sudo -E bash - 2sudo apt-get install -y nodejs

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1sudo add-apt-repository ppa:certbot/certbot 2sudo apt-get update 3sudo apt-get install python-certbot-apache 4sudo certbot --apache -d one.example.com -d two.example.com If the above don't work, try this: 1sudo apt-get update 2sudo apt-get install software-properties-common 3sudo add-apt-repository universe 4sudo …

1icasimpan@example.org:~$ sudo apt list --upgradable 23Listing... Done 4apache2/xenial-updates 2.4.18-2ubuntu3.9 amd64 [upgradable from: 2.4.18-2ubuntu3.8] 5apache2-bin/xenial-updates 2.4.18-2ubuntu3.9 amd64 [upgradable from: 2.4.18-2ubuntu3.8] 6apache2-data/xenial-updates 2.4.18-2ubuntu3.9 all [upgradable from: …

See https://wiki.ubuntu.com/Kernel/BuildYourOwnKernel

Some SSL Certs needs to validate through a text file served in apache. Something like: http://example.org/.well-known/pki-validation/F70E08C160E9B8C7GB488B8AEB246D11B.txt Solution: Add similar configuration in the virtualhost file in apache: 1Alias /.well-known/pki-validation/ …

1apt hold <package> See https://www.tecmint.com/disable-lock-blacklist-package-updates-ubuntu-debian-apt/

In our example, we have Debian Squeeze (6.0) and it's been unsupported since Feb 2016. We can no longer install nor update the packages until you point it to another source...the archives. So, in /etc/apt/sources.list, add you will see: 1deb http://ftp.us.debian.org/debian/ squeeze main 2deb-src …

1sudo apt-get install php5.6-curl More info in https://stackoverflow.com/questions/40567133/cannot-add-ppa-ppaondrej-php5-5-6

1sudo add-apt-repository ppa:ondrej/php 2sudo apt-get update 3sudo apt-get install mcrypt php7.1-mcrypt