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Operating Systems
Solaris
Where to start
Post 302243044 by avronius on Friday 3rd of October 2008 02:35:55 PM
10-03-2008
I partially disagree with this statement:
Ultimately, there are some fundamental similarities that you are likely already aware of.
1. The operating system manages the hardware.
2. The operating system provides an environment for applications to run in/on
3. File management and directory structures behave in a similar fashion
4. Scripts are written to manage mundane tasks
5. etc...
The uniqueness of the operating systems (whether Windows vs. UNIX vs. Linux vs. VAX vs. HP Calculator vs. whatever) are in how you manage various components as well as in how feature-rich your tools are.
Configuration in the UNIX world generally happens via the command line, rather than the extensive use of dialog boxes. In Solaris, you will be called upon to edit text configuration files. In Solaris, you have a 'cron' to manage scheduled tasks. In Solaris, your operating system is broken out into several directories (/var, /usr, /opt, /etc)
Any time that you expect to build a new host, you likely make a list of the services that you expect a host to provide - ie: account management, disk mirroring, secure file transfer, apache, etc. Do the same thing with your Solaris laptop. Focus on one area at a time, and play with configuring these on your laptop. Don't be afraid to get in and mangle stuff on your laptop. You can always reload the OS and try again.
If you are looking for a specific command, but don't know where to start (or what it might be called), you can check out the UNIX Rosetta Stone to get you started. Select "Solaris" from the list in the top left, then click "Draw Table". It has a bunch of commands grouped together by topic. Find one that looks related, and then go to your laptop and type "man <command>" (without the <>). 'man' is your friend - get used to it. It is our "clippy"
Once you are comfortable with some of the concepts - you don't need to know everything - then you can start asking some questions, and the nutshell book will help with clarity.
Quote:
forget what you know about windows and don't compare the os's
1. The operating system manages the hardware.
2. The operating system provides an environment for applications to run in/on
3. File management and directory structures behave in a similar fashion
4. Scripts are written to manage mundane tasks
5. etc...
The uniqueness of the operating systems (whether Windows vs. UNIX vs. Linux vs. VAX vs. HP Calculator vs. whatever) are in how you manage various components as well as in how feature-rich your tools are.
Configuration in the UNIX world generally happens via the command line, rather than the extensive use of dialog boxes. In Solaris, you will be called upon to edit text configuration files. In Solaris, you have a 'cron' to manage scheduled tasks. In Solaris, your operating system is broken out into several directories (/var, /usr, /opt, /etc)
Any time that you expect to build a new host, you likely make a list of the services that you expect a host to provide - ie: account management, disk mirroring, secure file transfer, apache, etc. Do the same thing with your Solaris laptop. Focus on one area at a time, and play with configuring these on your laptop. Don't be afraid to get in and mangle stuff on your laptop. You can always reload the OS and try again.
If you are looking for a specific command, but don't know where to start (or what it might be called), you can check out the UNIX Rosetta Stone to get you started. Select "Solaris" from the list in the top left, then click "Draw Table". It has a bunch of commands grouped together by topic. Find one that looks related, and then go to your laptop and type "man <command>" (without the <>). 'man' is your friend - get used to it. It is our "clippy"
Once you are comfortable with some of the concepts - you don't need to know everything - then you can start asking some questions, and the nutshell book will help with clarity.
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LEARN ABOUT SUNOS
grub
grub(5) grub(5) NAME
grub - GRand Unified Bootloader software on Solaris The current release of the Solaris operating system is shipped with the GRUB (GRand Unified Bootloader) software. GRUB is developed and supported by the Free Software Foundation. The overview for the GRUB Manual, accessible at www.gnu.org, describes GRUB: Briefly, a boot loader is the first software program that runs when a computer starts. It is responsible for loading and transfer- ring control to an operating system kernel software (such as Linux or GNU Mach). The kernel, in turn, initializes the rest of the operating system (for example, a GNU [Ed. note: or Solaris] system). GNU GRUB is a very powerful boot loader that can load a wide variety of free, as well as proprietary, operating systems, by means of chain-loading. GRUB is designed to address the complexity of booting a personal computer; both the program and this manual are tightly bound to that computer platform, although porting to other platforms may be addressed in the future. [Ed. note: Sun has ported GRUB to the Solaris operating system.] One of the important features in GRUB is flexibility; GRUB understands filesystems and kernel executable formats, so you can load an arbitrary operating system the way you like, without recording the physical position of your kernel on the disk. Thus you can load the kernel just by specifying its file name and the drive and partition where the kernel resides. Among Solaris machines, GRUB is supported on platforms. The GRUB software that is shipped with Solaris adds two utilities not present in the open-source distribution: bootadm(1M) Enables you to manage the boot archive and make changes to the GRUB menu. installgrub(1M) Loads the boot program from disk. Both of these utilities are described in Solaris man pages. Beyond these two Solaris-specific utilities, the GRUB software is described in the GRUB manual, a PDF version of which is available from the Sun web site. Available in the same location is the grub(8) open-source man page. This man page describes the GRUB shell. boot(1M), bootadm(1M), installgrub(1M) http://www.gnu.org/software/grub 21 Apr 2005 grub(5)