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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 DEBIAN
curl_getenv
curl_getenv(3) libcurl Manual curl_getenv(3) NAME
curl_getenv - return value for environment name SYNOPSIS
#include <curl/curl.h> char *curl_getenv(const char *name); DESCRIPTION
curl_getenv() is a portable wrapper for the getenv() function, meant to emulate its behaviour and provide an identical interface for all operating systems libcurl builds on (including win32). AVAILABILITY
This function will be removed from the public libcurl API in a near future. It will instead be made "available" by source code access only, and then as curlx_getenv(). RETURN VALUE
If successful, curl_getenv() returns a pointer to the value of the specified environment. The memory it refers to is malloc()ed so the application must free() this when the data is no longer needed. When curl_getenv(3) fails to find the specified name, it returns a null pointer. NOTE
Under unix operating systems, there isn't any point in returning an allocated memory, although other systems won't work properly if this isn't done. The unix implementation thus has to suffer slightly from the drawbacks of other systems. SEE ALSO
getenv(3C), libcurl 7.12 30 April 2004 curl_getenv(3)