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

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Solaris Troubleshooting NFS : error “setuid execution not allowed”

To prevent network break-ins, the “-nosuid” option is used in  “/etc/vfstab” and the “/etc/auto*” configuration files  used for NFS mounting filesystems. In “/var/adm/messages”, (the system log files),  the following type of message appears frequently: “Date machinename enterprise: save,uid 0:setuid execution not allowed”

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Linux Boot loader – GRUB

The function of a boot loader is to locate the Linux kernel, and load it into memory before starting it. Boot loading usually occurs in at least two    stages – the BIOS loads the primary boot loader, which loads a secondary boot loader in order...

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Cisco MDS zoning

      Zones and zone sets are the basic form of data path security within a Fibre Channel environment. A zone set is a collection of zones which in turn have individual members in them. Only those members within the same zone can communicate with...

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