查看“用户讨论:Jinzd”的源代码

=ifconfig=

[[ifconfig]]

Usage:

: ifconfig [-a] [-v] [-s] <interface> [[&lt;AF&gt; ] &lt;address&gt;]
: [add &lt;address&gt;[/<prefixlen&gt;]]
: [del &lt;address&gt;[/<prefixlen&gt;]]
: [[-]broadcast [&lt;address&gt;]]  [[-]pointopoint [&lt;address&gt;]]
: [netmask &lt;address&gt;]  [dstaddr &lt;address&gt;]  [tunnel &lt;address&gt;]

=Java=

Add deb resource path:

<pre style="margin: 5px">
sudo add-apt-repository "deb http://archive.canonical.com/ubuntu maverick partner"

sudo apt-get update

sudo apt install sun-java8-jdk

# remove

sudo add-apt-repository -r "deb http://archive.canonical.com/ubuntu maverick partner"
</pre>

=PostgreSQL=

For newest Ubuntu 16.04 postgresql is ready to install:

<pre style="margin: 5px">
jinzd@ubuntu:~S sudo apt install postgresql-9.5
</pre>

Get postgresql ready to use, set password is the first step:

<pre style="margin: 5px">
jinzd@ubuntu:~S sudo -u postgres psql template1

template1=# \password postgres;

or

jinzd@ubuntu:~S sudo -u postgres psql postgres

postgres=# \password postgres;
</pre>

Create database:

<pre style="margin: 5px">
jinzd@ubuntu:~S sudo -u postgres created JUniverse
</pre>

Create user:

<pre style="margin: 5px">
jinzd@ubuntu:~S sudo -u postgres createuser 
</pre>