In this article, we will look at DTrace toolkit which is used to troubleshoot performance issues on Solaris operating systems. One of the co-authors of Solaris Performance and Tools [McDougall2007V2], Brendan Gregg, created this toolkit. It contains numerous d-scripts as well as Perl scripts that pre-process and post-process DTrace. DTrace toolkit is included in Oracle Solaris 11 and the […]
Solaris11
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 […]
Oracle Solaris Cluster – Configure Standby Oracle Database – Dataguard – Part 2
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 […]
Oracle Solaris Cluster – Configure Oracle Database with Dataguard- Part 1
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 […]
Find Last Patched date on Oracle Solaris
Sometimes, we might need to find the last patched date on Solaris server for PCI compliance requirement. Many organizations are started using the configuration management tools to capture last patched date or maintenance date. But in a legacy environment, we might need to do the reverse engineering to identify last patched date for the server. Let’s […]
How to convert controller disk naming to SSD on Solaris ?
Have you ever been analysed the SAR(System activity reporter) reports on Solaris server for the disk performance issues ? If you would have done that , you might noticed that all the disks & LUN’s will be shown as “ssdXXX” names instead of cXtXdXs2. If you run “iostat” command without “n” option, you can see that […]
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 […]
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 […]
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 […]
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 […]