Unix, Linux, DevOps , Cloud computing and BigData Knowledge-Base

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Linux Admin Reference – Chroot FTP Services in Red Hat Enterprise Linux

A chroot on Unix operating systems is an operation that changes the apparent root directory for the current running process and its children. A program that is run in such a modified environment cannot name  and cannot access  files outside the designated directory tree. Chroot sftp...

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Linux Admin Reference – Configuring Auditd in RedHat Enterprise Linux

Guidelines to Implement Audit Rules: – Consolidate your rules where possible. – The system call rules are loaded into a matching engine that intercepts each syscall that all programs on the system makes. – It is very important to only use syscall rules when you have...

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Linux Admin Reference – Configuring DM-Multipath for EMC Clariion SAN Storage – Red Hat Enterprise Linux

In Enterprise Linux Environment, External storage often permits devices to be accessed by multiple physical paths. This improves redundancy and availability. SAN environment Red Hat Enterprise Linux provides the device-mapper-multipath component to manage multipath capable storage and to present multipath devices to applications running on the...

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VXVM 6.1 – How to manage VxVM Dynamic Multi Pathing ( DMP) using vxdmpadm?

Below examples will  help you to understand Veritas Dynamic Multipathing administration using vxdmpadm. To display the usage message for all vxdmpadm commands, enter: # vxdmpadm help To obtain a usage message for listctlr, use the command: # vxdmpadm help listctlr  

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