%META:TOPICPARENT{name="VirtTipsAndTricksGuide"}%

---+ Linux libaio Library not found

---++ What

Attempting to run the Virtuoso server binary results in error:

<verbatim>
virtuoso: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
</verbatim>

---++ Why

On some Linux Operating Systems the libaio library Virtuoso requires is not installed by default and thus need to be manually installed. This library facilitates asynchronous I/O operations on the system.

---++ How

The following commands can be run to install the libaio library on popular Linux systems:

---+++ Red Hat and <nop>CentOS

Use the following command to install the libaio package:
<verbatim>
yum install libaio
</verbatim>

---+++ Ubuntu

Use the following command to install the libaio package:
<verbatim>
sudo apt-get install libaio1
</verbatim>

---+++ Fedora

Install the RPM for the libaio package from the [[https://getfedora.org/][Fedora website]].

---+++ Debian

Use the following command to install the libaio package:
<verbatim>
mkdir /usr/libaio
 
cd /usr/libaiot
 
wget http://http.us.debian.org/debian/pool/main/liba/libaio/libaio1_0.3.106-3_i386.deb
 
ar -x libaio1*.deb
 
tar zxvf data.tar.gz
 
sudo cp lib/* /emul/ia32-linux/lib/
</verbatim>

---++ Related

   * [[https://docs.appdynamics.com/display/PRO14S/Install+libaio+on+Linux][Install libaio on Linux]]