Category: Solaris Admin

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Mastering Grub – Part 5 – Grub Security

Grub Security Authentication and authorization in GRUB By default, the boot loader interface is accessible to anyone with physical access to the console: anyone can select and edit any menu entry, and anyone can get direct access to a GRUB shell prompt.  For most systems, this...

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Mastering GrUB – Part 3 – Grub Booting and Images

Booting GRUB from the network The following instructions don’t work for *-emu, i386-qemu,i386-coreboot, i386-multiboot,mips_loongson, mips-arc and mips_qemu_mips to generate a netbootable directory, run:       grub2-mknetdir –net-directory=/srv/tftp –subdir=/boot/grub -d /usr/lib/grub/<platform> E.g.  for i386-pc:     grub2-mknetdir –net-directory=/srv/tftp –subdir=/boot/grub -d /usr/lib/grub/i386-pc Then follow instructions printed out by grub2-mknetdir on...

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Mastering Grub – Part 2 – Grub Configurations

1. Grub Configurations GRUB is configured using ‘grub.cfg’, usually located under ‘/boot/grub’. This file is quite flexible, but most users will not need to write the whole thing by hand. 1.1  Simple configuration handling The program ‘grub2-mkconfig’ generates ‘grub.cfg’ upgrading a distribution, and will discover available...

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Mastering Grub – Part 1 – Introduction and Overview of Grub Boot Loader

1. Introduction to Grub Briefly, a “boot loader” is the first software program that runs when a computer starts. It is responsible for loading and transferring control to an operating system “kernel” software (such as Linux or GNU Mach). The kernel, in turn, initializes the rest...

Storage Configuration information Center

  Read – SAN Guide for Beginners Read – SAN Storage Responsibilities for Enterprise System Administrators Read – Pre-Planning/Pre-work required for Storage Migrations in Unix. Read – SCSI Guide for Beginners Read – EMC Power Path commands for system administrators Read – Determine WWN for HBA...

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Video Post – Solaris Patching Strategy

Solaris System patching is one of the important job responsibility for a Solaris Administrator. And when we are doing it in a production network, that task involves much more than just running patchadd commands. In this video we are discussing about the Recommended Solaris Patching Strategy...

Solaris NIS Information Center

Read – Configure Master, Slave and Client Read – Removing a NIS slave server (or convert it to a NIS client) Read – Adding a NIS slave server to existing NIS master’s maps Read – How to completely remove NIS from all machines Read – Restricting...

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