update to installation docs, tweaks to handling python2/3 package builds
This commit is contained in:
parent
223bcb64f1
commit
fc654a31a8
7 changed files with 138 additions and 207 deletions
15
Makefile.am
15
Makefile.am
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@ -44,6 +44,13 @@ DISTCLEANFILES = aclocal.m4 \
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MAINTAINERCLEANFILES = .version \
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.version.date
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if PYTHON3
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PYTHON_DEP = python >= 3.0
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else
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PYTHON_DEP = python >= 2.7, python < 3.0
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endif
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define fpm-rpm =
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fpm -s dir -t rpm -n core \
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-m "$(PACKAGE_MAINTAINERS)" \
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@ -51,7 +58,7 @@ fpm -s dir -t rpm -n core \
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--description "Common Open Research Emulator" \
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--url https://github.com/coreemu/core \
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--vendor "$(PACKAGE_VENDOR)" \
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-p core_python$(FPM_PYTHON)_VERSION_ARCH.rpm \
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-p core_$(PYTHON)_VERSION_ARCH.rpm \
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-v $(PACKAGE_VERSION) \
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--rpm-init scripts/core-daemon \
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-d "tcl" \
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@ -63,7 +70,7 @@ fpm -s dir -t rpm -n core \
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-d "iproute" \
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-d "libev" \
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-d "net-tools" \
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-d "python >= $(FPM_PYTHON)" \
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-d "$(PYTHON_DEP)" \
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-C $(DESTDIR)
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endef
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@ -74,7 +81,7 @@ fpm -s dir -t deb -n core \
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--description "Common Open Research Emulator" \
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--url https://github.com/coreemu/core \
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--vendor "$(PACKAGE_VENDOR)" \
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-p core_python$(FPM_PYTHON)_VERSION_ARCH.deb \
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-p core_$(PYTHON)_VERSION_ARCH.deb \
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-v $(PACKAGE_VERSION) \
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--deb-systemd scripts/core-daemon.service \
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-d "tcl" \
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@ -87,7 +94,7 @@ fpm -s dir -t deb -n core \
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-d "ebtables" \
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-d "iproute2" \
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-d "libev4" \
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-d "python >= $(FPM_PYTHON)" \
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-d "$(PYTHON_DEP)" \
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-C $(DESTDIR)
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endef
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@ -110,8 +110,7 @@ if test "x$enable_daemon" = "xyes"; then
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AC_CHECK_FUNCS([atexit dup2 gettimeofday memset socket strerror uname])
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AM_PATH_PYTHON(2.7)
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pythondir=`echo ${pythondir} | sed s,site-packages,dist-packages,`
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AC_SUBST(pythondir,$pythondir)
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AM_CONDITIONAL([PYTHON3], [test "$PYTHON" == "python3"])
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AC_CHECK_PROG(brctl_path, brctl, $as_dir, no, $SEARCHPATH)
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if test "x$brctl_path" = "xno" ; then
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@ -266,6 +265,7 @@ GUI:
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Daemon:
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Daemon path: ${bindir}
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Daemon config: ${CORE_CONF_DIR}
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Python: ${PYTHON}
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Python modules: ${pythondir}
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Logs: ${CORE_STATE_DIR}/log
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@ -11,7 +11,13 @@ SETUPPY = setup.py
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SETUPPYFLAGS = -v
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if WANT_DOCS
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DOCS = doc
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DOCS = doc
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endif
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if PYTHON3
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PYTHONLIBDIR=$(libdir)/python3/dist-packages
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else
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PYTHONLIBDIR=$(pythondir)
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endif
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SUBDIRS = proto $(DOCS)
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@ -29,7 +35,7 @@ install-exec-hook:
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$(PYTHON) $(SETUPPY) $(SETUPPYFLAGS) install \
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--root=/$(DESTDIR) \
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--prefix=$(prefix) \
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--install-lib=$(pythondir) \
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--install-lib=$(PYTHONLIBDIR) \
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--single-version-externally-managed
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# Python package uninstall
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@ -38,8 +44,8 @@ uninstall-hook:
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rm -rf $(DESTDIR)/$(datadir)/core
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rm -f $(addprefix $(DESTDIR)/$(datarootdir)/man/man1/, $(MAN_FILES))
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rm -f $(addprefix $(DESTDIR)/$(bindir)/,$(SCRIPT_FILES))
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rm -rf $(DESTDIR)/$(pythondir)/core-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg-info
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rm -rf $(DESTDIR)/$(pythondir)/core
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rm -rf $(DESTDIR)/$(PYTHONLIBDIR)/core-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg-info
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rm -rf $(DESTDIR)/$(PYTHONLIBDIR)/core
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# Python package cleanup
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clean-local:
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@ -16,7 +16,7 @@ CORE is typically used for network and protocol research, demonstrations, applic
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* [Architecture](architecture.md)
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* [Installation](install.md)
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* [Usage](usage.md)
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* [Using the GUI](usage.md)
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* [Python Scripting](scripting.md)
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* [Node Types](machine.md)
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* [CTRLNET](ctrlnet.md)
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292
docs/install.md
292
docs/install.md
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@ -6,78 +6,105 @@
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# Overview
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This section will describe how to set up a CORE machine. Note that the easiest way to install CORE is using a binary package on Ubuntu or Fedora/CentOS (deb or rpm) using the distribution's package manager to automatically install dependencies.
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This section will describe how to install CORE from source or from a pre-built package.
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Ubuntu and Fedora/CentOS Linux are the recommended distributions for running CORE. However, these distributions are not strictly required. CORE will likely work on other flavors of Linux as well.
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# Required Hardware
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The primary dependencies are Tcl/Tk (8.5 or newer) for the GUI, and Python 2.7 for the CORE daemon.
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Any computer capable of running Linux should be able to run CORE. Since the physical machine will be hosting numerous
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virtual machines, as a general rule you should select a machine having as much RAM and CPU resources as possible.
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CORE files are installed to the following directories, when the installation prefix is */usr*.
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# Operating System
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CORE requires a Linux operating system because it uses virtualization provided by the kernel. It does not run on
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Windows or Mac OS X operating systems (unless it is running within a virtual machine guest.) The virtualization
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technology that CORE currently uses is Linux network namespaces.
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Ubuntu and Fedora/CentOS Linux are the recommended distributions for running CORE. However, these distributions are
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not strictly required. CORE will likely work on other flavors of Linux as well, assuming dependencies are met.
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**NOTE: CORE Services determine what run on each node. You may require other software packages depending on the
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services you wish to use. For example, the HTTP service will require the apache2 package.**
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# Installed Files
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CORE files are installed to the following directories, when the installation prefix is **/usr**.
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Install Path | Description
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-------------|------------
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/usr/bin/core-gui|GUI startup command
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/usr/bin/core-daemon|Daemon startup command
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/usr/bin/|Misc. helper commands/scripts
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/usr/bin/{core-cleanup, coresendmsg, core-manage}|Misc. helper commands/scripts
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/usr/lib/core|GUI files
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/usr/lib/python2.7/dist-packages/core|Python modules for daemon/scripts
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/etc/core/|Daemon configuration files
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/usr/lib/python{2.7,3.X}/dist-packages/core|Python modules for daemon/scripts
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/etc/core/|Daemon and log configuration files
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~/.core/|User-specific GUI preferences and scenario files
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/usr/share/core/|Example scripts and scenarios
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/usr/share/man/man1/|Command man pages
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/etc/init.d/core-daemon|SysV startup script for daemon
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/etc/systemd/system/core-daemon.service|Systemd startup script for daemon
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## Prerequisites
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# Pre-Req Installing OSPF MDR
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A Linux operating system is required. The GUI uses the Tcl/Tk scripting toolkit, and the CORE daemon requires Python. Details of the individual software packages required can be found in the installation steps.
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Virtual networks generally require some form of routing in order to work (e.g. to automatically populate routing
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tables for routing packets from one subnet to another.) CORE builds OSPF routing protocol configurations by
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default when the blue router node type is used.
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## Required Hardware
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* [OSPF MANET Designated Routers](http://www.nrl.navy.mil/itd/ncs/products/ospf-manet) (MDR) - the Quagga routing
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suite with a modified version of OSPFv3, optimized for use with mobile wireless networks. The **mdr** node type
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(and the MDR service) requires this variant of Quagga.
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Any computer capable of running Linux should be able to run CORE. Since the physical machine will be hosting numerous virtual machines, as a general rule you should select a machine having as much RAM and CPU resources as possible.
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## Ubuntu <= 16.04 and Fedora/CentOS
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## Required Software
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CORE requires a Linux operating system because it uses virtualization provided by the kernel. It does not run on Windows or Mac OS X operating systems (unless it is running within a virtual machine guest.) The virtualization technology that CORE currently uses is Linux network namespaces.
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The CORE GUI requires the X.Org X Window system (X11), or can run over a remote X11 session. For specific Tcl/Tk, Python, and other libraries required to run CORE.
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**NOTE: CORE *Services* determine what run on each node. You may require other software packages depending on the services you wish to use. For example, the *HTTP* service will require the *apache2* package.**
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## Installing from Packages
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The easiest way to install CORE is using the pre-built packages. The package managers on Ubuntu or Fedora/CentOS will automatically install dependencies for you. You can obtain the CORE packages from [CORE GitHub](https://github.com/coreemu/core/releases).
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### Installing from Packages on Ubuntu
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Install Quagga for routing. If you plan on working with wireless networks, we recommend installing [OSPF MDR](http://www.nrl.navy.mil/itd/ncs/products/ospf-manet) (replace *amd64* below with *i386* if needed to match your architecture):
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There is a built package which can be used.
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```shell
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wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/quagga-0.99.21mr2.2/quagga-mr_0.99.21mr2.2_amd64.deb
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sudo dpkg -i quagga-mr_0.99.21mr2.2_amd64.deb
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```
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Or, for the regular Ubuntu version of Quagga:
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## Ubuntu >= 18.04
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Requires building from source, from the latest nightly snapshot.
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```shell
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sudo apt-get install quagga
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wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/nightly_snapshots/quagga-svnsnap.tgz
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tar xzf quagga-svnsnap.tgz
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cd quagga
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./configure --enable-user=root --enable-group=root --with-cflags=-ggdb \
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--sysconfdir=/usr/local/etc/quagga --enable-vtysh \
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--localstatedir=/var/run/quagga
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make
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sudo make install
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```
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Install the CORE deb packages for Ubuntu from command line.
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Note that the configuration directory */usr/local/etc/quagga* shown for Quagga above could be */etc/quagga*,
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if you create a symbolic link from */etc/quagga/Quagga.conf -> /usr/local/etc/quagga/Quagga.conf* on the host.
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The *quaggaboot.sh* script in a Linux network namespace will try and do this for you if needed.
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If you try to run quagga after installing from source and get an error such as:
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```shell
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sudo dpkg -i python-core_*.deb
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sudo dpkg -i core-gui_*.deb
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error while loading shared libraries libzebra.so.0
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```
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Start the CORE daemon as root, the systemd installation will auto start the daemon, but you can use the commands below if need be.
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this is usually a sign that you have to run ```sudo ldconfig```` to refresh the cache file.
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# Installing from Packages
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The easiest way to install CORE is using the pre-built packages. The package managers on Ubuntu or Fedora/CentOS
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will help in automatically installing most dependencies for you.
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You can obtain the CORE packages from [CORE Releases](https://github.com/coreemu/core/releases).
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## Ubuntu
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Ubuntu package defaults to using systemd for running as a service.
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```shell
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# systemd
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sudo systemctl start core-daemon
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# sysv
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sudo service core-daemon start
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# python2
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sudo apt ./core_python_$VERSION_amd64.deb
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# python3
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sudo apt ./core_python3_$VERSION_amd64.deb
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```
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Run the CORE GUI as a normal user:
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@ -86,47 +113,24 @@ Run the CORE GUI as a normal user:
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core-gui
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```
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After running the *core-gui* command, a GUI should appear with a canvas for drawing topologies. Messages will print out on the console about connecting to the CORE daemon.
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After running the *core-gui* command, a GUI should appear with a canvas for drawing topologies.
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Messages will print out on the console about connecting to the CORE daemon.
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### Installing from Packages on Fedora/CentOS
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## Fedora/CentOS
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The commands shown here should be run as root. The *x86_64* architecture is shown in the examples below, replace with *i686* is using a 32-bit architecture.
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**CentOS 7 Only: in order to install *tkimg* package you must build from source.**
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Make sure the system is up to date.
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**NOTE: tkimg is not required for the core-gui, but if you get an error message about it you can install the package
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on CentOS <= 6, or build from source otherwise**
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```shell
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yum update
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# python2
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yum install ./core_python_$VERSION_x86_64.rpm
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# python3
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yum install ./core_python3_$VERSION_x86_64.rpm
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```
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**Optional (Fedora 17+): Fedora 17 and newer have an additional prerequisite providing the required netem kernel modules (otherwise skip this step and have the package manager install it for you.)**
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```shell
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yum install kernel-modules-extra
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```
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Install Quagga for routing. If you plan on working with wireless networks, we recommend installing [OSPF MDR](http://www.nrl.navy.mil/itd/ncs/products/ospf-manet):
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```shell
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wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/quagga-0.99.21mr2.2/quagga-0.99.21mr2.2-1.el6.x86_64.rpm
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sudo yum install quagga-0.99.21mr2.2-1.el6.x86_64.rpm
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```
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Or, for the regular Fedora/CentOS version of Quagga:
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```shell
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yum install quagga
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```
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Install the CORE RPM packages and automatically resolve dependencies:
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```shell
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yum install python-core_*.rpm
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yum install core-gui_*.rpm
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```
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Turn off SELINUX by setting *SELINUX=disabled* in the */etc/sysconfig/selinux* file, and adding *selinux=0* to the kernel line in your */etc/grub.conf* file; on Fedora 15 and newer, disable sandboxd using ```chkconfig sandbox off```; you need to reboot in order for this change to take effect
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Turn off SELINUX by setting *SELINUX=disabled* in the */etc/sysconfig/selinux* file, and adding *selinux=0* to the
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kernel line in your */etc/grub.conf* file; on Fedora 15 and newer, disable sandboxd using ```chkconfig sandbox off```;
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you need to reboot in order for this change to take effect
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Turn off firewalls:
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@ -145,7 +149,7 @@ iptables -F
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ip6tables -F
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```
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Start the CORE daemon as root.
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Start the CORE daemon.
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```shell
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# systemd
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@ -164,151 +168,65 @@ core-gui
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After running the *core-gui* command, a GUI should appear with a canvas for drawing topologies. Messages will print out on the console about connecting to the CORE daemon.
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### Installing from Source
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# Building and Installing from Source
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This option is listed here for developers and advanced users who are comfortable patching and building source code. Please consider using the binary packages instead for a simplified install experience.
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This option is listed here for developers and advanced users who are comfortable patching and building source code.
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Please consider using the binary packages instead for a simplified install experience.
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To build CORE from source on Ubuntu, first install these development packages. These packages are not required for normal binary package installs.
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#### Ubuntu 18.04 pre-reqs
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## Pre-Reqs Ubuntu 18.04
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```shell
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sudo apt install automake pkg-config gcc libev-dev bridge-utils ebtables python-dev python-sphinx python-setuptools python-lxml python-enum34 tk libtk-img
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sudo apt install automake pkg-config gcc libev-dev bridge-utils ebtables python-dev python-setuptools tk libtk-img
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```
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#### Ubuntu 16.04 Requirements
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## Pre-Reqs Ubuntu 16.04
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```shell
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sudo apt-get install automake bridge-utils ebtables python-dev libev-dev python-sphinx python-setuptools python-enum34 python-lxml libtk-img
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sudo apt-get install automake bridge-utils ebtables python-dev libev-dev python-setuptools libtk-img
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```
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#### CentOS 7 with Gnome Desktop Requirements
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### CentOS 7 with Gnome Desktop Requirements
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```shell
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sudo yum -y install automake gcc python-devel libev-devel python-sphinx tk python-lxml python-enum34
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sudo yum -y install automake gcc python-devel libev-devel tk
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```
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You can obtain the CORE source from the [CORE GitHub](https://github.com/coreemu/core) page. Choose either a stable release version or the development snapshot available in the *nightly_snapshots* directory.
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## Build and Install
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```shell
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tar xzf core-*.tar.gz
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cd core-*
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```
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#### Tradional Autotools Build
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```shell
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./bootstrap.sh
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./configure
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# point at desired python version binary for use
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PYTHON=python ./configure
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make
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sudo make install
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```
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#### Build Documentation
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## Build Documentation
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Building documentation requires python-sphinx not noted above.
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```shell
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# install python sphinx
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sudo apt install python(3)-sphinx
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sudo yum install python(3)-sphinx
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./bootstrap.sh
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./configure
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make doc
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```
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#### Build Packages
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Install fpm: http://fpm.readthedocs.io/en/latest/installing.html
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### Build Packages
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Build package commands, DESTDIR is used for gui packaging only
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* Install [fpm](http://fpm.readthedocs.io/en/latest/installing.html)
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```shell
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./bootstrap.sh
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./configure
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# point at desired python version binary for use
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PYTHON=python ./configure
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make
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mkdir /tmp/core-gui
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make fpm DESTDIR=/tmp/core-gui
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|
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```
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This will produce:
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* CORE GUI rpm/deb files
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* core-gui_$VERSION_$ARCH
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* CORE ns3 rpm/deb files
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* python-core-ns3_$VERSION_$ARCH
|
||||
* CORE python rpm/deb files for SysV and systemd service types
|
||||
* python-core-sysv_$VERSION_$ARCH
|
||||
* python-core-systemd_$VERSION_$ARCH
|
||||
|
||||
|
||||
### Quagga Routing Software
|
||||
|
||||
Virtual networks generally require some form of routing in order to work (e.g. to automatically populate routing tables for routing packets from one subnet to another.) CORE builds OSPF routing protocol configurations by default when the blue router node type is used. The OSPF protocol is available from the [Quagga open source routing suit](http://www.quagga.net).
|
||||
|
||||
Quagga is not specified as a dependency for the CORE packages because there are two different Quagga packages that you may use:
|
||||
|
||||
* [Quagga](http://www.quagga.net) - the standard version of Quagga, suitable for static wired networks, and usually available via your distribution's package manager.
|
||||
|
||||
* [OSPF MANET Designated Routers](http://www.nrl.navy.mil/itd/ncs/products/ospf-manet) (MDR) - the Quagga routing suite with a modified version of OSPFv3, optimized for use with mobile wireless networks. The *mdr* node type (and the MDR service) requires this variant of Quagga.
|
||||
|
||||
If you plan on working with wireless networks, we recommend installing OSPF MDR; otherwise install the standard version of Quagga using your package manager or from source.
|
||||
|
||||
#### Installing Quagga from Packages
|
||||
|
||||
To install the standard version of Quagga from packages, use your package manager (Linux).
|
||||
|
||||
Ubuntu users:
|
||||
|
||||
```shell
|
||||
sudo apt-get install quagga
|
||||
mkdir /tmp/core-build
|
||||
make fpm DESTDIR=/tmp/core-build
|
||||
```
|
||||
|
||||
Fedora/CentOS users:
|
||||
|
||||
```shell
|
||||
sudo yum install quagga
|
||||
```
|
||||
|
||||
To install the Quagga variant having OSPFv3 MDR, first download the appropriate package, and install using the package manager.
|
||||
|
||||
Ubuntu users:
|
||||
```shell
|
||||
wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/quagga-0.99.21mr2.2/quagga-mr_0.99.21mr2.2_amd64.deb
|
||||
sudo dpkg -i quagga-mr_0.99.21mr2.2_amd64.deb
|
||||
```
|
||||
|
||||
Replace *amd64* with *i686* if using a 32-bit architecture.
|
||||
|
||||
Fedora/CentOS users:
|
||||
|
||||
```shell
|
||||
wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/quagga-0.99.21mr2.2/quagga-0.99.21mr2.2-1.el6.x86_64.rpm
|
||||
sudo yum install quagga-0.99.21mr2.2-1.el6.x86_64.rpm
|
||||
````
|
||||
|
||||
Replace *x86_64* with *i686* if using a 32-bit architecture.
|
||||
|
||||
#### Compiling Quagga for CORE
|
||||
|
||||
To compile Quagga to work with CORE on Linux:
|
||||
|
||||
```shell
|
||||
wget https://downloads.pf.itd.nrl.navy.mil/ospf-manet/quagga-0.99.21mr2.2/quagga-0.99.21mr2.2.tar.gz
|
||||
tar xzf quagga-0.99.21mr2.2.tar.gz
|
||||
cd quagga-0.99
|
||||
./configure --enable-user=root --enable-group=root --with-cflags=-ggdb \\
|
||||
--sysconfdir=/usr/local/etc/quagga --enable-vtysh \\
|
||||
--localstatedir=/var/run/quagga
|
||||
make
|
||||
sudo make install
|
||||
```
|
||||
|
||||
Note that the configuration directory */usr/local/etc/quagga* shown for Quagga above could be */etc/quagga*, if you create a symbolic link from */etc/quagga/Quagga.conf -> /usr/local/etc/quagga/Quagga.conf* on the host. The *quaggaboot.sh* script in a Linux network namespace will try and do this for you if needed.
|
||||
|
||||
If you try to run quagga after installing from source and get an error such as:
|
||||
|
||||
```shell
|
||||
error while loading shared libraries libzebra.so.0
|
||||
```
|
||||
|
||||
this is usually a sign that you have to run ```sudo ldconfig```` to refresh the cache file.
|
||||
|
||||
### VCORE
|
||||
|
||||
CORE is capable of running inside of a virtual machine, using software such as VirtualBox, VMware Server or QEMU. However, CORE itself is performing machine virtualization in order to realize multiple emulated nodes, and running CORE virtually adds additional contention for the physical resources. **For performance reasons, this is not recommended.** Timing inside of a VM often has problems. If you do run CORE from within a VM, it is recommended that you view the GUI with remote X11 over SSH, so the virtual machine does not need to emulate the video card with the X11 application.
|
||||
|
||||
A CORE virtual machine is provided for download, named VCORE. This is the perhaps the easiest way to get CORE up and running as the machine is already set up for you. This may be adequate for initially evaluating the tool but keep in mind the performance limitations of running within VirtualBox or VMware. To install the virtual machine, you first need to obtain VirtualBox from http://www.virtualbox.org, or VMware Server or Player from http://www.vmware.com (this commercial software is distributed for free.) Once virtualization software has been installed, you can import the virtual machine appliance using the *vbox* file for VirtualBox or the *vmx* file for VMware. See the documentation that comes with VCORE for login information.
|
||||
|
||||
This will produce and RPM and Deb package for the currently configured python version.
|
||||
|
|
|
@ -8,8 +8,6 @@
|
|||
#
|
||||
|
||||
AM_CFLAGS = -Wall -fno-strict-aliasing -O3 -g @libev_CFLAGS@
|
||||
SETUPPY = setup.py
|
||||
SETUPPYFLAGS = -v
|
||||
|
||||
SRC_COMMON = vnode_msg.c vnode_cmd.c vnode_chnl.c vnode_io.c \
|
||||
vnode_msg.h vnode_cmd.h vnode_chnl.h vnode_io.h \
|
||||
|
@ -29,7 +27,3 @@ netns_SOURCES = $(SRC_NETNS)
|
|||
|
||||
# extra cruft to remove
|
||||
DISTCLEANFILES = Makefile.in MANIFEST
|
||||
|
||||
# include source files for Python libraries with distribution tarball
|
||||
EXTRA_DIST = setup.py MANIFEST.in
|
||||
|
||||
|
|
|
@ -9,6 +9,12 @@
|
|||
|
||||
if WANT_PYTHON
|
||||
|
||||
if PYTHON3
|
||||
PYTHONLIBDIR=$(libdir)/python3/dist-packages
|
||||
else
|
||||
PYTHONLIBDIR=$(pythondir)
|
||||
endif
|
||||
|
||||
SETUPPY = setup.py
|
||||
SETUPPYFLAGS = -v
|
||||
|
||||
|
@ -22,15 +28,15 @@ install-exec-hook:
|
|||
$(PYTHON) $(SETUPPY) $(SETUPPYFLAGS) install \
|
||||
--root=/$(DESTDIR) \
|
||||
--prefix=$(prefix) \
|
||||
--install-lib=$(pythondir) \
|
||||
--install-lib=$(PYTHONLIBDIR) \
|
||||
--single-version-externally-managed \
|
||||
--no-compile
|
||||
|
||||
# Python package uninstall
|
||||
uninstall-hook:
|
||||
-rm -rf core_ns3.egg-info
|
||||
-rm -rf $(DESTDIR)/$(pythondir)/core_ns3-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg-info
|
||||
-rm -rf $(DESTDIR)/$(pythondir)/corens3
|
||||
-rm -rf $(DESTDIR)/$(PYTHONLIBDIR)/core_ns3-$(PACKAGE_VERSION)-py$(PYTHON_VERSION).egg-info
|
||||
-rm -rf $(DESTDIR)/$(PYTHONLIBDIR)/corens3
|
||||
-rm -rf $(DESTDIR)/$(datadir)/corens3
|
||||
|
||||
# Python package cleanup
|
||||
|
|
Loading…
Reference in a new issue