Category «Debian»

Managing wireless connections on Linux command line

Basic setup This is based on Debian/Ubuntu but with some minor modification should work on any Linux distribution First let’s install some tools so we can manage our wifi adapter we can now scan for available wifi connections by running the following command If you get the following error wlan0 Interface doesn’t support scanning : …

Increase number of files open for Pgbouncer

Pgbouncer is a lightweight connection pooler for Postgresql. It reduces the overhead of creating a new connection every time, instead it keeps a pool of connections open at all times which greatly reduces overhead. If you are doing a lot of connections per second, then Pgbouncer may complain that the open file limit has reached. …

Checking “open files limit” on Linux

Linux has a limit on how many files can be opened. Each process also has limits on how many files can be opened. You can check the limits of the process by doing the following steps Checking the file limits of a running process first you need to find the process id. You can do …

Installing Wildfly 10 on Debian/Ubuntu

The instructions below are for Debian, but with Ubuntu you would also need to use ‘sudo’ if you are not running as root First you need to install Java, if you have not already. This page has instructions on how to install Java 1.8 using apt-get Installing Oracle Java 8 on Debian/Ubuntu Now let’s get …