Meltdown and Spectre Vulnerabilities – Big Threats


Meltdown and Spectre Vulnerabilities have made 80% of servers as Vulnerable in overnight, thanks to  Google Project Zero team and other security researchers who have brought such a worst vulnerabilities to the world (At least now). Meltdown vulnerability basically melts security boundaries which are normally enforced by the hardware (CPU).  Spectre name is based on the root cause, “speculative execution”. Spectre is harder to exploit …

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Oracle Solaris Cluster – Configure Standby Oracle Database – Dataguard – Part 2

Oracle Datagarud Standby- Sun Cluster Setup

Here is the step by step procedure to bring the oracle Dataguard standby instance under sun cluster control.Once you have completed the primary node setup , you are good to proceed with standby configuration. In this oracle Dataguard  configuration ,we will be using the standby nodes as DR servers and it must be configured as physical mode. Logical standby mode …

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Oracle Solaris Cluster – Configure Oracle Database with Dataguard- Part 1

Oracle Datagarud - Sun Cluster Setup

This article will provide step by step procedure to manage the oracle Database under Sun-cluster aka Solaris cluster on Oracle Dataguard environment. Oracle Dataguard is widely used product for the disaster recovery solutions.It provides great visibility to database administrator to manage their environment in better manner. Sun-cluster is used only on oracle Solaris operating system and use of this product …

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Oracle Solaris 11 – Beginners Guide

If you are working as a Sun Solaris system administrator, you know that how rapidly Solaris  operating system  is changing from version to version. There were  a lot difference between Solaris 9  and Solaris 10. But people were able to grab the changes quickly in the past when it was transformed from Solaris 8/9 to Solaris 10. ZFS and Zones …

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Shellshock bug – vulnerability on Bash shell

Millions of computers are using bash shell (command interpreter ). New security flaw has been found on bash(Bash Code Injection Vulnerability (CVE-2014-6271) and it allows attackers  can take the system control remotely. Heartbleed wave was just over on last april (Openssl vulnerability ).Is Shell-shock hurts more than Heartbleed ? Off-course  Yes. Heartbleed was all about sniffing the system memory but Shellshock  has opened the …

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Installing Oracle Solaris 11.2 using USB openstack Image

Oracle Solaris 11.2 has integrated with openstack for cloud computing. Many of the Oracle Solaris administrators would like to try the openstack stuffs but deployment is not so easy on it. Since Openstack is new to Solaris administrators, oracle provides the Pre-built templates to install Oracle Solaris 11.2  with openstack package to setup in few minutes . This template can …

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Solaris 11 – IPS repository issues and Fixes

This article is going to discuss about Image packaging system repository(IPS)’s real time issues and fixes. When i have started working on Solaris 11, i have faced lot of issues with IPS and that too happens only after the IPS deployment.  You need to either online or local repository(offline) to install package,update the Operating system and install the zones. But most …

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How to create IPS repository in Solaris 11.2 ?

Image packaging system(IPS) repository is one of the important element from Solaris 11 onwards. For an example, to install any new package or install the zones, you need IPS repository.In Solaris 11.2 release, oracle automated the IPS little bit by providing the script to merge the piece  of repo files and performing the checksum automatically. We just need to download …

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Ultimate Oracle Solaris 11.2 – Must known Features

The only one enterprise Unix environment is keep on changing according to the market demand which is none another than Oracle Solaris. When Solaris 11 released , i have very pleased with  image packaging system and network virtualization . Due to network virtualization,  zone can run with exclusive IP  irrespective of  physical NICS which was really great. But now oracle …

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