Installing EPEL Repository to Oracle Linux 7

Installing EPEL Repository to Oracle Linux 7 Extra Packages for Enterprise Linux (or EPEL) is a Repository that holds high quality extra packages that Red Hat Enterprise Linux (RHEL) base distributions (like Oracle Linux 7) does not include. Installation of EPEL in Oracle Linux 7 is simple. We need to download and install an rpm package that EPEL provides.As root (or using sudo): ? 1 2 3 4 5 # wget https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm   #...

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Oracle Database Administration Scripts | DBA Bundle

Introduction:In this post, I'll share with you one of the most helpful tools I ever created, it will make database administration day to day activities more easier, faster and safer for you.I named it DBA Bundle , it's a tar file contains a group of shell scripts, you can DOWNLOAD the latest version from this link: [V. 4.1  22-Feb-2018]https://www.dropbox.com/s/xn0tf2pfeq04koi/DBA_BUNDLE4.tar?dl=0I've...

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How To Set Up Multi-Factor Authentication for SSH on CentOS 7

Introduction An authentication factor is a single piece of information used to to prove you have the rights to perform an action, like logging into a system. An authentication channel is the way an authentication system delivers a factor to the user or requires the user to reply. Passwords and security tokens are examples of authentication factors; computers and phones are examples of channels. SSH uses...

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