You are updating the system through yum command and suddenly power goes down or what happen if yum process is accidentally killed. Post this situation when you tried to update the system again with yum command now you are getting below error message related to rpmdb: error: rpmdb: BDB0113 Thread/process 2196/139984719730496 failed: BDB1507 Thread died…
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Docker is a container management service. The Docker keyword coined in DevOps for develop, ship and run anywhere why it is so because it enable the developers to easily develop the applications, ship the application into containers and later it can be deployed anywhere. The Docker was released in March 2013 but has become buzzword…
Cloud object storage stores unstructured data(like application images or media files) in the cloud. Object storage is elastic, flexible and easily scalable into multiple petabytes which ideal for environment where data growth is unlimited hence it is considered a good fit for the cloud. Contrary to Block Storage which deal data as block and logical…
OpenFlow is a standard protocol of SDN which assist SDN Controller to communicate directly with the forwarding plane of network devices such as switches and routers, both physical and virtual (hypervisor-based), so it can better adapt to changing business requirements. Generally the conventional switches forwards the packets which are called the Forwarding Plane and do…
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SDN or Software-defined networking is a new technology which will soon replace the traditional Data Center networking architecture specially after introduction of Virtulization and Cloud. This term comprises of several kinds of network technologies which aimed at making the network as agile and flexible for virtualized server and storage infrastructure of the modern Data Center….
Tcpdump is a network sniffer tool. It is most powerful and widely used command line tool for Linux/Unix. It sniff or capture the TCP/IP traffic that receive or transfer over a network. tcpdump has an option to save captured packets in a file for future analysis. It can be save in a pcap format file, that can be…
The AWS has launched AWS Command Line Interface (CLI) unified tool to manage your whole AWS services from the command line and automate them through scripts. You can install AWS CLI on your Linux or Windows machine for managing AWS services from command line. In this post I have demonstrated how to install and configure…
In Ubuntu we can set different installed kernel version as default so that during next boot time Ubuntu can boot from that default kernel version as per requirement. There can be many reason for setting different installed kernel version as default example: Ubuntu is unable to boot with current installed or upgraded kernel version. After…
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HPE has Provided very good utility called hpacu or (HP Array Configuration Utility) which is available in GUI and CLI for managing Local Hard disks of all HPE Servers and connected DAS (Direct Attached Storage) like HPE MDS 600. It can easily be downloadable from HPE Driver and Firmware Website or also can come in SPP…
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I Love Ubuntu after Fedora it is my preferred OS who live in my personal Laptop. Today I was trying to install Oracle Virtualbox in my Laptop during building initrd image I start getting boot partition full error on screen. Also in apt-get installation screen I got below error message due to no space…
128 total views, 3 views today
