I am using UFW to protect my network. How do I forward TCP HTTP port # 80 and 443 to an internal server hosted at 192.168.1.100:80 and 192.168.1.100:443 using UFW on Ubuntu Linux server?
am getting an error that read as “The proxy server is refusing connections.” I am using Squid 3 with Ubuntu Linux 16.04 LTS server and how can I find out why my squid proxy server died unexpectedly?
ow do I limit ssh connection attempts using UFW (Uncomplicated Firewall) on Ubuntu or Debian Linux server?
For security and ease of admin, I want to install LXD on my cloud server either powered by XEN or KVM. How do I install LXD on Ubuntu Linux server powered by KVM virtualization technology?
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?
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?
f 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.