OpenConnect on Ubuntu

By @sskaje
Link: https://sskaje.me/2014/02/openconnect-ubuntu/

This post is not yet finished

OpenConnect is an open source implementation of Cisco’s AnyConnect SSL VPN which is natively supported by iOS(You can create profile with Apple Configurator like iOS IPSec VPN Server on Ubuntu).

OpenConnect VPN Server can be found on http://www.infradead.org/ocserv/ and downloaded from ftp://ftp.infradead.org/pub/ocserv/, manual http://www.infradead.org/ocserv/manual.html
Let’s build it on Ubuntu 13.10!

Download & Extract

wget ftp://ftp.infradead.org/pub/ocserv/ocserv-0.3.0.tar.xz
tar xvf ocserv-0.3.0.tar.xz
cd ocserv-0.3.0

wget ftp://ftp.infradead.org/pub/ocserv/ocserv-0.3.0.tar.xz

tar xvf ocserv-0.3.0.tar.xz

cd ocserv-0.3.0

Dependencies

apt-get install libwrap0-dev libpam0g-dev libdbus-1-dev libreadline-dev \
  libnl-route-3-dev libprotobuf-c0-dev libpcl1-dev libopts25-dev \
  autogen libgnutls28 libgnutls28-dev  libseccomp-dev

apt-get install libwrap0-dev libpam0g-dev libdbus-1-dev libreadline-dev \

libnl-route-3-dev libprotobuf-c0-dev libpcl1-dev libopts25-dev \

autogen libgnutls28 libgnutls28-dev libseccomp-dev

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OpenConnect on Ubuntu by @sskaje: https://sskaje.me/2014/02/openconnect-ubuntu/

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LC_CTYPE issue on OS X SOLVED!

By @sskaje
Link: https://sskaje.me/2014/01/lc-ctype-issue/

Meet The Problem

Problem occurs when I’m using ssh working on my Ubuntu/Debian from ‘Terminal‘ of Mac OS X’s own.

I can’t remember the first time I saw

perl: warning: Setting locale failed.
perl: warning: Please check that your locale settings:
	LANGUAGE = "en_US:en",
	LC_ALL = (unset),
	LC_CTYPE = "UTF-8",
	LANG = "en_US.UTF-8"
    are supported and installed on your system.
perl: warning: Falling back to the standard locale ("C").
locale: Cannot set LC_CTYPE to default locale: No such file or directory
locale: Cannot set LC_ALL to default locale: No such file or directory

perl: warning: Setting locale failed.

perl: warning: Please check that your locale settings:

LANGUAGE = "en_US:en",

LC_ALL = (unset),

LC_CTYPE = "UTF-8",

LANG = "en_US.UTF-8"

are supported and installed on your system.

perl: warning: Falling back to the standard locale ("C").

locale: Cannot set LC_CTYPE to default locale: No such file or directory

locale: Cannot set LC_ALL to default locale: No such file or directory

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LC_CTYPE issue on OS X SOLVED! by @sskaje: https://sskaje.me/2014/01/lc-ctype-issue/

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Virtualized ARM on Ubuntu

By @sskaje
Link: https://sskaje.me/2013/12/virtualized-arm-ubuntu/

I was finding articles/wikis how to emulate an arm linux (armel) on centos/ubuntu, then I found this from MDN: https://developer.mozilla.org/en-US/docs/Developer_Guide/Virtual_ARM_Linux_environment.

This article uses an old release by linaro which based on Ubuntu natty that can no longer be found on http://ports.ubuntu.com.
As Ubuntu says, armel would not be supported, that’s why the latest code name of ubuntu supporting armel is begin with ‘Q’.

I found another server release and a new nano, tried that with similar commands, notes are below:

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Virtualized ARM on Ubuntu by @sskaje: https://sskaje.me/2013/12/virtualized-arm-ubuntu/

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surroundedik3

Notes: PPTP/L2TP Server on Ubuntu

By @sskaje
Link: https://sskaje.me/2013/10/notes-pptpl2tp-server-on-ubuntu/

From: https://help.ubuntu.com/community/PPTPServer and https://help.ubuntu.com/community/L2TPServer

This is an integrated & simplified intro about installing pptp/l2tp server on ubuntu 12.04.

Install

pptpd, xl2tpd, openswan are needed.
ppp should be installed by default, you can apt-get install ppp just for sure.
dnsmasq is needed to simplify dns issue.
So, just type commands:

sudo apt-get install pptpd openswan l2tpd dnsmasq

1	sudo apt-get install pptpd openswan l2tpd dnsmasq

Environment

Server ip is assigned as: 192.168.210.1
Client ip are in : 192.168.210.100~192.168.210.200

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Notes: PPTP/L2TP Server on Ubuntu by @sskaje: https://sskaje.me/2013/10/notes-pptpl2tp-server-on-ubuntu/