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Since 2010, SUSE, a pioneer in open source software, has been collaborating with AWS to provide reliable, software-defined infrastructure and application delivery solutions that give enterprises greater control and flexibility.SUSE offers a variety of solutions on AWS for the modern enterprise to develop, build, run, and scale mission-critical workloads.

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Preliminary notes Please backup all important data prior to beginning the upgrade process.

If you already have installed open SUSE 12.3 version on your system and want to upgrade to the new 13.1 release? Here i will describe how to upgrade to open SUSE 13.1 from open SUSE 12.3 or older.

Be mindful that if your upgrade process is stopped unfortunately due to power failure or internet failure, you will be resulted with a unstable or broken system.

So make sure that have an uninterrupted power supply and stable internet connection.

Avoid upgrading from a poor internet connection to save time and effort.

If you consider to upgrade multiple systems, then it would be better to download an ISO image and install them one by one.

To have the correct time and date in Linux is very important, a lot of things depends on it.

It does not matter if you are using Linux to power your personal computer or you have a Linux server. Set date from the command line Set hardware clock The hardware clock is the clock that runs in you PC hardware even if you disconnect it from the main power supply.

# Defaults env_reset # Host alias specification # User alias specification # Cmnd alias specification # User privilege specification root ALL=(ALL) ALL As you can see the alias OPERATORS includes the users joe, mike and jude, the alias OP includes the users root and operator, alias OFNET includes the network 10.1.2.0 (all the C class), and the command alias PRINTING includes the commands lpc and lprm.

So, a typical sudoers file may look like this: User_Alias OPERATORS = joe, mike, jude Runas_Alias OP = root, operator Host_Alias OFNET = 10.1.2.0/255.255.255.0 Cmnd_Alias PRINTING = /usr/sbin/lpc, /usr/bin/lprm OPERATORS ALL=ALL #The users in the OPERATORS group can run any command from any terminal.

SUSE Manager running in the public cloud supports hybrid application deployments and enables customers to simultaneously manage workloads running in the public cloud and on-premises, private data centers across multiple locations, or branch offices. Appriss uses SUSE Manager to automate updating, patching, and configuring Linux servers across physical, virtual and AWS environments from a single console - enabling them with faster patching and enhanced security in their hybrid environment.

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