Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

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Solaris Troubleshooting SDS/SVM: How to Replace a Disk which contained Soft Partitions with

When trying to access a soft partition after a disk replacement, the metareplace command or any direct I/O to a soft partition will fail with the following types of errors: In an instance where d68 is the mirror device, and d28 is a soft partition inside one of...

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SLAVE DNS server Configuration in Linux

A slave DNS server is similar to a master DNS server. It can help with load balancing and provide redundancy should the master DNS server fail. Because it serves as a “secondary” DNS server, it actually pulls the necessary files from its master counterpart, making configuration...

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Solaris 10 – How to Setup Locales using localeadm?

One of the most important factor for application programs is that the locale . Locale define the  native-language environment, code sets, data and time formatting conventions, monetary conversions and the standard library functions of ANSI C. A locale name is follows the pattern of base language,...

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Bash Scripting – Displaying Interactive Messages

Most shell commands produce their own output, which is displayed on the console monitor where the script is running. Many times, however, you will want to add your own text messages to help the script user know what is happening within the script. You can do...

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Storage Related tasks – Linux Disk Partitioning

Working with disks is an important part of maintaining storage space on your system. Partitions determine how your storage space is carved out for use later by the system and its users.  When adding more storage or creating it for the first time, you should partition...

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Solaris Troubleshooting : Identifying the network address and port number for a running process

For Solaris System Administrators It is often necessary to find out all the related processes that are using a specific network port.  There are several ways to accomplish this (lsof, pfiles, crash): Method 1: lsof examples: Ex: netstat -a shows a connection between hodware.port 36169 to...

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Storage : Verifying STMS (mpxio) Health

The steps below will help confirm that STMS is being used and both paths are seen. 1. Validate that STMS is enabled: Check that the mpxio-disable parameter is set to “no”. *Solaris[TM] 7,8,9 — check /kernel/drv/scsi_vhci.conf *Solaris[TM] 10 only — /kernel/drv/fp.conf Example: mpxio-disable=”no”; If mpxio-disable is...

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