<HTML ><HEAD ><TITLE >Setting up the global alias for pppd</TITLE ><META NAME="GENERATOR" CONTENT="Modular DocBook HTML Stylesheet Version 1.52"><LINK REL="HOME" TITLE="Linux PPP HOWTO" HREF="index.html"><LINK REL="UP" TITLE="Setting up a PPP server" HREF="ppp-server.html"><LINK REL="PREVIOUS" TITLE="Setting pppd up to allow users to (successfully) run it" HREF="x1569.html"><LINK REL="NEXT" TITLE="Using PPP across a null modem (direct serial) connection" HREF="direct.html"></HEAD ><BODY CLASS="SECT1" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#840084" ALINK="#0000FF" ><DIV CLASS="NAVHEADER" ><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TH COLSPAN="3" ALIGN="center" ><A HREF="http://www.linuxports.com/howto/ppp" TARGET="_top" >Linux PPP HOWTO</A ></TH ></TR ><TR ><TD WIDTH="10%" ALIGN="left" VALIGN="bottom" ><A HREF="x1569.html" >Prev</A ></TD ><TD WIDTH="80%" ALIGN="center" VALIGN="bottom" >Chapter 28. Setting up a PPP server</TD ><TD WIDTH="10%" ALIGN="right" VALIGN="bottom" ><A HREF="direct.html" >Next</A ></TD ></TR ></TABLE ><HR ALIGN="LEFT" WIDTH="100%"></DIV ><DIV CLASS="SECT1" ><H1 CLASS="SECT1" ><A NAME="AEN1577" >28.7. Setting up the global alias for pppd</A ></H1 ><P >In order to simplify things for our dial up PPP users, we create a global alias (in /etc/bashrc) so that one simple command will start ppp on the server once they are logged in.</P ><P >This looks like... <TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" >alias ppp="exec /usr/sbin/pppd -detach"</PRE ></TD ></TR ></TABLE > </P ><P >What this does is <P ></P ><UL ><LI ><P >exec : this means replace the running program (in this case the shell) with the program that is run.</P ></LI ><LI ><P >pppd -detach : start up pppd and do NOT fork into the background. This ensures that when pppd exits there is no process hanging around.</P ></LI ></UL > </P ><P >When a user logs in like this, they will appear in the output of 'w' as... <TABLE BORDER="0" BGCOLOR="#E0E0E0" WIDTH="100%" ><TR ><TD ><PRE CLASS="PROGRAMLISTING" > 6:24pm up 3 days, 7:00, 4 users, load average: 0.05, 0.03, 0.00 User tty login@ idle JCPU PCPU what hartr ttyC0 3:05am 9:14 -</PRE ></TD ></TR ></TABLE > </P ><P >And that is it...I told you this was a simple, basic PPP server system!</P ></DIV ><DIV CLASS="NAVFOOTER" ><HR ALIGN="LEFT" WIDTH="100%"><TABLE WIDTH="100%" BORDER="0" CELLPADDING="0" CELLSPACING="0" ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" ><A HREF="x1569.html" >Prev</A ></TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="index.html" >Home</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" ><A HREF="direct.html" >Next</A ></TD ></TR ><TR ><TD WIDTH="33%" ALIGN="left" VALIGN="top" >Setting pppd up to allow users to (successfully) run it</TD ><TD WIDTH="34%" ALIGN="center" VALIGN="top" ><A HREF="ppp-server.html" >Up</A ></TD ><TD WIDTH="33%" ALIGN="right" VALIGN="top" >Using PPP across a null modem (direct serial) connection</TD ></TR ></TABLE ></DIV ></BODY ></HTML >