How to install the latest version of Python on Cent.OSThis tutorial will show you how to install the latest version of Python 2 and Python 3 on Cent.OS by compiling from source.The examples below are for Python 2.Python 3.Python.If you are using Cent.OS 6 you can use this tutorial to install both Python 2.Install Gui In Centos 6.3' title='Install Gui In Centos 6.3' />Python 3.For Cent. Company Of Heroes 2 Bulletins Hack here. License Key Kaspersky Is 2013 '>License Key Kaspersky Is 2013 .OS 7 only the Python 3.Warning Do not install Python 2.Cent.OS 7 using these instructions.Your system will end up having two different python.Install Gui In Centos 6.3' title='Install Gui In Centos 6.3' />This will likely cause difficult to diagnose problems.This tutorial should work for all versions of Cent.OS 6 and Cent.OS 7, and it will probably work on the corresponding RHEL distributions as well.This is a complete guide to install BackupPC on your CentOS 7 server.Install BackupPC and prerequsities yum upgrade y yum install epelrelease yum install backuppc.Ham Radio Software on Centos Linux Configuring multitudes of Amateur HAM Radio software for Centos6 Centos5 Linux.EkldXVm34w/hqdefault.jpg' alt='Install Gui In Centos 6.3' title='Install Gui In Centos 6.3' />I have verified it on Cent.OS 6.Cent.OS 7 1.This tutorial is meant for people that are comfortable with compiling and installing applications from source.What is the problem Cent.OS ships with Python as a critical part of the base system.Because it is a critical part it is not getting updated, other than to plug security vulnerabilities.The lack of updates means that Cent.OS 6 users are stuck with Python 2.August 2.Cent.OS 7 users are stuck with Python 2.May 2.Solving the problem.Utilities such as yum will break if the default Python interpreter is upgraded or replaced.The trick is to install new versions of Python in usrlocal or some other non standard location so that they can live side by side with the system version.Things to consider.Before you compile and install Python there are a few things you should know andor consider Unicode.Python has a long and complicated history when it comes to Unicode support.Unless you have very specific reasons you should configure Python 2.UTF 3.This increases memory usage but improves compatibility.In Python 3.Unicode support has been completely rewritten and strings are automatically stored using the most efficient encoding possible.You enable UTF 3.Python 2.Shared library.You should compile Python as a shared library.All modern Linux distros ship with Python compiled as a shared library, and there are third party tools such as modwsgi and Blender that wont work without it.To make sure the executable can find its shared library you need to pass some additional flags to the configure command LDFLAGS Wl, rpath usrlocallib.Use make altinstall to prevent problems.It is critical that you use make altinstall when you install your custom version of Python.If you use the normal make install you will end up with two different versions of Python in the filesystem both named python.This can lead to problems that are very hard to diagnose.Preparations install prerequisites.In order to compile Python you must first install the development tools and a few extra libs.The extra libs are not strictly needed to compile Python but without them your new Python interpreter will be quite useless.Execute all the commands below as root either by temporarily logging in as root or by using sudo.Start by making sure your system is up to date.Compilers and related tools.Libraries needed during compilation to enable all features of Python.If you are on a clean minimal install of Cent.OS you also need the wget tool.Start by making sure your system is up to date yum update Compilers and related tools yum groupinstall ydevelopment tools Libraries needed during compilation to enable all features of Python yum install yzlib devel b If you are on a clean minimal install of Cent.OS you also need the wget tool yum install ywget.Download, compile and install Python.Here are the commands to download, compile and install Python.Python 2.Python 2.Python 2.Python 2.LDFLAGS Wl, rpath usrlocallib.Python 3.Python 3.Python 3.Python 3.LDFLAGS Wl, rpath usrlocallib.Python 2.Python 2.Python 2.Python 2.LDFLAGS Wl, rpath usrlocallibmake makealtinstall Python 3.Python 3.Python 3.Python 3.LDFLAGS Wl, rpath usrlocallibmake makealtinstall.After running the commands above your newly installed Python interpreter will be available as usrlocalbinpython.The system version of Python 2.You might also want to strip symbols from the shared library to reduce the memory footprint.Strip the Python 2.Strip the Python 3.Strip the Python 2.Strip the Python 3.Installupgrade pip, setuptools and wheel.Each Python interpreter on your system needs its own install of pip, setuptools and wheel.The easiest way to install or upgrade these packages is by using the get pip.First get the script.Then execute it using Python 2.Python 3.With pip installed you can now do things like this.First get the script wget https bootstrap.Then execute it using Python 2.Python 3.With pip installed you can now do things like this pip.The packages will end up in usrlocallibpython.X.Ysite packages where X.Y is the Python version.Whats next If you are using Python 2.I strongly recommend that you install virtualenv and learn how to use it.Virtualenv makes it possible to create isolated Python environments.If you are using Python 3.Each isolated Python environment also called sandbox can have its own Python version and packages.This is very useful when you work on multiple projects or on different versions of the same project.Create your first isolated Python environment.Install virtualenv for Python 2.Use the built in functionality in Python 3.Check the system Python interpreter version.This will show Python 2.Activate the my.Check the Python version in the sandbox it should be Python 2.Deactivate the sandbox.Activate the my.Check the Python version in the sandbox it should be Python 3.Deactivate the sandbox.Install virtualenv for Python 2.Use the built in functionality in Python 3.Check the system Python interpreter version python version This will show Python 2.Activate the my.Check the Python version in the sandbox it should be Python 2.Deactivate the sandbox deactivate Activate the my.Check the Python version in the sandbox it should be Python 3.Deactivate the sandbox deactivate.Changelog.Examples updated with Python 2.Examples updated with Python 3.Examples updated with Python 3.Add warning about not installing Python 2.Cent.OS 7 since it already has 2.Examples updated with Python 2.Python 3.Mention that this also works for installing Python 3.Cent.OS 7.Added expat devel to the list of prerequisites.Removed ldconfig instructions.Added instructions for stripping the shared libraries.Changed the instructions for pipsetuptools to use the get pip.Examples updated with Python 3.The Python versions used in the examples have been updated to 2.The list of library prerequisites has been extended so that more features are compiled into Python.New parameters for compiling Python with a shared library and for enabling Unicode UTF 3.Python 2.Python 3.Instructions for installing and using setuptools, pip, virtualenv and pyvenv have been addedupdated.Linuxsyslogdvarlogmessages, varlogsecureLinuxrsyslogreliable syslogreliableCent.OS 6.XsyslogdrsyslogdrsyslogdsyslogsyslogLinuxrsyslogd syslogd rsyslogreliable syslogRFC 3.Reliable Delivery for syslogrsyslog v.Mod.Load imudp, UDPServer.Run 5.UDP 5.Mod.Load imklog provides kernel logging support previousl.Mod.Load immark provides MARK message capability.Provides UDP syslog reception.Mod.Load imudp.UDPServer.Run 5.Mod.Load imudp.UDPServer.Run 5.Provides TCP syslog reception.Mod.Load imtcpdiff gitarsyslog.Mod.Load imklog provides kernel logging support previousl Mod.Load immark provides MARK message capability Provides UDP syslog reception Mod.Load imudp UDPServer.Run 5.Mod.Load imudpUDPServer.Run 5.Provides TCP syslog reception Mod.Load imtcpFACILITYLOCAL0varlognetwork.Save boot messages also to boot.The statement between the begin.SINGLE forwarding.They belong together, do NOT split them.If you create multiplediff gitarsyslog.Save boot messages also to boot.The statement between the begin.SINGLE forwarding rule.They belong together, do NOT split them.If you create multiplersyslogd.UDP 5.UDP 5.A INPUT p tcp dport 4.ACCEPT.A INPUT p udp dport snmp j ACCEPT.A INPUT p udp dport snmptrap j ACCEPT.A INPUT p udp dport syslog j ACCEPT.A INPUT j REJECT reject with icmp host prohibited.A FORWARD j REJECT reject with icmp host prohibited.COMMITdiff gitasysconfigiptablesbsysconfigiptablesindex.A INPUT p tcp dport 4.ACCEPT A INPUT p udp dport snmp j ACCEPT A INPUT p udp dport snmptrap j ACCEPT A INPUT p udp dport syslog j ACCEPT A INPUT j REJECT reject with icmp host prohibited A FORWARD j REJECT reject with icmp host prohibited COMMIT rsyslogdsyslogCisco IOS 1.T.Jul 2.Jul 2.SYS 5 CONFIGI Configured from console by ec.Jul 2.Jul 2.SYS 5 CONFIGI Configured from console by ec.Jul 2.Jul 2.SYS 5 CONFIGI Configured from console by ec.Jul 2.Jul 2.SYS 5 CONFIGI Configured from console by ec.Jul.Jul.SYS 5 CONFIGI Configured from console by ec.Jul.Jul.SYS 5 CONFIGI Configured from console by ec.Jul.Jul.SYS 5 CONFIGI Configured from console by ec.Jul.Jul.SYS 5 CONFIGI Configured from console by ec.Jul 2.Jul 2.Jul.Jul. 26. 14 5. 4varlognetwork.UDP2TCP5.TCP.Include.Config etcrsyslog.Log anything except mail of level info or higher.Dont log private authentication messages The authpriv file has restricted access.Include.Config etcrsyslog.Log anything except mail of level info or higher.Dont log private authentication messages The authpriv file has restricted access.ListenUDPsyslogetcrsyslog.Mod.Load imudpUDPServer.Run 5.Mod.Load immark provides MARK message capability.Provides UDP syslog reception.Mod.Load imudp.UDPServer.Run 5.Mod.Load imudp.UDPServer.Run 5.Provides TCP syslog reception.Mod.Load imtcp rsyslog.Mod.Load immark provides MARK message capability Provides UDP syslog reception Mod.Load imudp UDPServer.Run 5.Mod.Load imudpUDPServer.Run 5.Provides TCP syslog reception Mod.Load imtcp.TCPrsyslogetcrsyslog.Mod.Load imtcpInput.TCPServer.Run 5.UDPServer.Run 5.Provides TCP syslog reception.Mod.Load imtcp.Input.TCPServer.Run 5.Mod.Load imtcp.Input.TCPServer.Run 5.GLOBAL DIRECTIVES rsyslog.UDPServer.Run 5.Provides TCP syslog reception Mod.Load imtcp Input.TCPServer.Run 5.Mod.Load imtcpInput.TCPServer.Run.GLOBAL DIRECTIVES rsyslogd.TCPUDPiptables.A INPUT p tcp dport 2.LOG log prefix dos detect ssh log levelinfo.A INPUT p tcp dport 2.DROP.A INPUT p tcp dport 8.ACCEPT.A INPUT p tcp dport 5.ACCEPT.A INPUT p tcp dport 2.ACCEPT.A INPUT p udp dport 2.ACCEPT.A INPUT p udp dport snmp j ACCEPT iptables 2.A INPUT p tcp dport 2.LOG log prefix dos detect ssh log levelinfo A INPUT p tcp dport 2.DROP A INPUT p tcp dport 8.ACCEPT A INPUT p tcp dport 5.ACCEPT A INPUT p tcp dport 2.ACCEPT A INPUT p udp dport 2.ACCEPT A INPUT p udp dport snmp j ACCEPTtail.Aug 3 2.Aug 3 2.Version5.Aug 3 2.Kernel logging proc stopped.Aug 3 2.Version5.Aug 3 2.Aug 3 2.Version5.Aug 3.Aug 3.Version5.Aug 3.Kernel loggingprocstopped.Aug 3.Version5.Aug 3.Aug 3.Version5.Action Queue rsyslogdQueueingrsyslogfluentdrsyslogQueueingrsyslogfluentdQueueingWork.Directory.QueueingAction.Queue.File.Name.QueueingAction.Queue.Max.Disk. Space.Queue0Action.Queue.Save.On. ShutdownrsyslogshutodownAction.Queue.Type.QueueingAction.Resume.Retry.Countsyslog0Work.Directory.QueueingAction.Queue.File.Name.QueueingAction.Queue.Max.Disk. Space.Queue1g, 1mAction.Queue.Save.On. ShutdownrsyslogdonAction.Queue.TypeFixed.Array, Linked.List, Disk, Direct4Action.Queue.Type Action.TypeFixed.Array, Linked.ListFixed.ArrayCPULinked.ListAction.Queue.Type Action.TypeDiskDiskAction.Queue.Type Action.TypeDirectsyslogDirectAction.Resume.Retry.Countsyslog0Action Queue Action Queueetcrsyslog.Action.Queue.Type Disk.An on disk queue is created for this action.If the remote host is.Work.Directory varlibrsyslog where to place spool files.Action.Queue.File. Best Software To Record Pc Screen .Name fwd.Rule. 1 unique name prefix for spool files.Action.Queue.Max.Disk. Space 1g 1gb space limit use as much as possible.Action.Queue.Save.On. Shutdown on save messages to disk on shutdown.Action.Queue.Type Linked.List run asynchronously.Action.Resume.Retry.Count 1 infinite retries if host is down.Work.Directory varlibrsyslog where to place spool files.Action.Queue.File.Name fwd.Rule.Action.Queue. Max.Disk.Space 1g 1gb space limit use as much as possible.Action.Queue.Save.On. Shutdown on save messages to disk on shutdown.Action.Queue.Type Disk run asynchronously.Action.Resume.
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