Is it possible to print the content of the content of a variable with shell script? (indirect referencing)
Let’s suppose I’ve declared the following variables:
Unix & Linux
notify-send not working under ssh
Maybe this is answered somewhere else, but I didn’t see it.
How to achieve the effect of chroot in userspace in Linux (without being root)?
The goal is to install and run programs in a displaced (relocated) distro (whose / must not coincide with the global /) inside a host Linux system. The programs are not adapted for using a different / .
Is there a root password on OS X and Ubuntu?
When you setup a new Ubuntu or OS X installation a user is generally created for you. On OS X it is whatever username you pick. On Ubuntu (the server version) usually the ubuntu user is created.
ZFS under Linux, does it work?
Could I get ZFS to work properly in Linux?
What can I use to monitor and log incoming/outgoing traffic to/from remote hosts?
I run a web server (Debian Squeeze on a VPS), and the graphs provided by the hosting company show consistently that around twice as much traffic is incoming to the server compared to the outgoing traffic. I am a little confused by this, so I would like to run some kind of logging utility on the machine that will not only confirm the upload/download figures, but also split them up by the remote host involved, so I can see if a large proportion of the incoming traffic is from one particular source.
List all commands of a specific Debian package
I want to know the commands that a specific Debian package offers me.
How to install the previous version of a .deb package and pin it?
I am trying to install the latest version of subversion on Sid, and because it has a bug I receive a warning and I abort the installation. How do I get to locate the previous version version, install it and pin until the bug is resolved?
Automatically detect when a file has reached a size limit
I would like to send an email when a file reach a certain size limit.
Why do some Debian packages have a “+deb7u2” suffix?
I figured the “7u2” part stood for “Debian 7.2” (aka “wheezy”). But I’m wondering if anybody knows the official answer as to why some packages have it and others do not.