June 18, 2015
Iperf
Linux General,Iperf was developed by NLANR/DAST as a modern alternative for measuring maximum TCP and UDP bandwidth performance. Iperf allows the tuning of various parameters and UDP characteristics. Iperf reports bandwidth, delay jitter, datagram loss.
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June 2, 2015
MySQLTuner-perl Script
Linux General,MySQLTuner is a script written in Perl that allows you to review a MySQL installation quickly and make adjustments to increase performance and stability. The current configuration variables and status data is retrieved and presented in a brief format along with some basic performance suggestions.
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May 25, 2015
Linux – Creating a Partition Size Larger Than 2TB using Parted Command
Linux General,Disk /dev/sdb: 3000.6 GB, 3000592982016 bytes 255 heads, 63 sectors/track, 364801 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes
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May 12, 2015
Add multiple interface and IP address – ubuntu and centos
Linux General,Save IPs in a file like /opt/dummy.txt and run the script to add them up. Interface add script–Ubuntu or Centos: echo Enter Distribution ubuntu\/centos
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April 30, 2015
MEGACLI Commands to check Hardware RAID config and Setup
Linux General,01:00.0 RAID bus controller: LSI Logic / Symbios Logic MegaRAID SAS 2108 [Liberator] (rev 05) The above command shows the RAID controller vendor details.
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February 10, 2015
Integrating Parallels Virtuozzo container in Citrix Xen server
Linux General,We are trying to install virtuozzo 4.7 in a virtual Machine that has got centos running on it. Virtuozzo installation in this VM goes fine and the VM prompts for reboot post installation. During boot operation, the VM console freezes with lot of errors whereas you can still login to the Virtual machine using putty…
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October 12, 2012
Tackling no Application pool in the CP
Linux General,If no application pool option is available for a particular user / reseller account in H-sphere. Goto to the reseller a/c -> select the plan -> enable the application pool Only after this, the app pool option will be available to all other user. You can now change it to dedicated application pool for example.
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August 24, 2012
SQL database Offline or Online
Linux General,When you are working with the databases to restore or backup you may come across the error: “Cannot Backup/Restore (especially) when database is in use” So in order to over come the database status, Right Click on Database -> New Query: sp_dboption ‘dbname’,’offline’,’true’ (It will make the database to become offline) sp_dboption ‘dbname’,’offline’,’false’ (It will…
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August 17, 2012
Linux OS support in Hyper-V
Linux General,Yes, now Hyper-v supports Linux OS. This can be achieved by Linux Integration Components. It contains support for SUSE Linux Enterprise Server 10 SP2, (x86/x64), SUSE Linux Enterprise Server 11...
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