When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the system […]
Oracle Solaris
Solaris 11- How to Configure IPMP – Probe-Based ?
When your system required to handle huge amount of traffic, then you may need to combine one or more physical interfaces in to logical interfaces in various methods.1.Link Aggregation 2.Configuring IPMP. IPMP methods works in two methods to detect the failures. If the system is configured with default router, then it checks the connectivity with it.Otherwise it works in […]
How to Install Oracle Solaris Cluster on Solaris 11 ?
This is the first article about Sun cluster aka oracle Solaris cluster on UnixArena. This Oracle Solaris cluster series articles will cover the build of a two-node cluster running Solaris Cluster 4.1 on Solaris 11.The intention of making the cluster will be configuring High availability local zone aka failover local zones.We have done the same […]
How to change Locale settings on Solaris ?
Locale is one provided by the implementation that is accessible to the application. Locale utility writes a information about locale environment to the standard output.A locale can be composed of a base language, country of use, and codeset (Ex: CA for canada , US for united states).Normally the locale name is specified by the LANG variable.If […]
How to Migrate the Local Zones on Solaris ?
How to migrate the local zones from one global zone to another global zone ? Last week, I have migrated the couple of local zones from one global zone to another global zone successfully and here I am sharing the same.In real production environment,you can balance the global zones load by moving few local zones […]
How to Break/Recover Solaris root Password ?
Every organization may have their own way to secure the root passwords for their servers. According to their security polices ,Unix administrators need to change the servers root’s password on routine basis.But sometimes due to human error, there may be chance to loose root password.Unless some of the normal user had sudo root access, you […]
Solaris – How to Scan FC LUNS and SCSI Disks ?
Application’s and Database’s storage requirement on the servers will be keep on increase day by day. According to that, Unix admin need to increase filesystem space on Unix servers periodically. Assigning big SAN space to filesystem also not possible since storage cost involved on that. So it’s a routine work for Unix admin and need […]
Latest OS Patch Bundles for Solaris
I am not happy to post Non-Technical posts on UnixArena. But I felt this post will be helpful for Solaris administrators to find the latest OS patch bundles from Oracle. Customers would like to install latest OS patch bundles to keep their systems update to date.As Unix Admin, we have to provide those patch bundles information to […]
Solaris 11 – ZFS Must known features
In this ZFS tutorial series,Here we are going to see about new features of ZFS and it’s usage in real production environment. Oracle is continuously developing ZFS and they brought some of the nice features in to Solaris 11 ZFS . Here we are mainly focusing on ZFS deduplication and ZFS encryption mechanisms. ZFS Deduplication is the process of […]
ZFS – ZPOOL Cache and Log Devices Administration
In this ZFS training/tutorial series,this article will talk about ZFS performance issues.If you didn’t tune the system according to the application requirement or vise-verse,definitely you will see the performance issues.For an example ,some of the applications may have more read requests than write and databases sends more write requests than read.So according the application,you need […]