Category Archives: Uncategorized

Setting up Galera notification command on on Ubuntu

Galera Cluster: Galera Cluster is a synchronous multi-master database cluster, based on synchronous replication and Oracle’s MySQL/InnoDB. When Galera Cluster is in use, you can direct reads and writes to any node, and you can lose any individual node without … Continue reading

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How to setup cassandra on Ubuntu 14.04

What is Cassandra? The Apache Cassandra database is the right choice when you need scalability and high availability without compromising performance. Linear scalability and proven fault-tolerance on commodity hardware or cloud infrastructure make it the perfect platform for mission-critical data.Cassandra’s … Continue reading

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Ubuntu fix Shellshock bug

Ubuntu fix Shellshock Bug : Test if your system is vulnerable, $ env X=”() { :;}; echo shellshock” `which bash` -c “echo completed” shellshock completed If you got “shellshock” in output then it is vulnerable. Bash has functions, though in … Continue reading

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Install HP printer driver on Ubuntu

Install HP printer driver on Ubuntu: Install using repository driver: # sudo aptitude install hplip Install using new updated driver: Follow step on link given below, HP driver Installation Wizard if you got following error , error: A required dependency … Continue reading

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