In my last article I had shared the steps to downgrade rpm to a specific old version in Linux and Unix. How to update crond using a shell script? Setting up cron job using command line bash shell scri
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I hope you are already aware of different sections of rpm field as you must be aware if your rpm is compatible with the distribution you plan to install. But anyhow if you are downloading and installi
Read MoreHow to delete iscsi target from initiator? How to remove inactive iscsi target? Remove iscsi storage target from initiator? Remove iscsi virtual disk on CentOS / RHEL 7 Linux.In my earlier art...
Read MoreIn my last article I shared the steps to configure LVM based HA cluster without GFS2 file system. Now let me share the steps to configure iSCSI target and initiator on RHEL or CentOS 7 Linux node.
Read MoreHow to configure High Availability LVM i.e. HA LVM on CentOS or RHEL 7 Linux without GFS2. How can I configure my cluster service or resource to activate and monitor shared LVM volumes? Uncontrolled s...
Read MoreBefore starting, I hope you are familiar with different Cluster types and it's Architecture. In this article I will explain the steps to configure two node cluster on CentOS / RHEL 7 Linux node. Now f
Read MoreHow to set default boot kernel in linux? How to change the default boot entry for kernel ? How to boot with old kernel version ? How to revert to previous kernel version ? In my last ...
Read MoreWhat are transparent hugepages? How to turn off or disable transparent hugepages in RHEL 7 Linux?In my last article I shared the steps to improve disk IO performance in Linux. Now another importan
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How to run shell scripts in parallel & collect exit status of process in Linux
Earlier I shared an article with the steps to improve your Disk IO performance in Linux. Now let me give you some tips to run shell scripts in parallel and collect exit status of respective background
Read MoreIn my last article I shared the steps to encrypt a file using gpg key in Linux. Now in this article I will share various commands and tools which you can use to securely copy file from one server to a
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