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Top Forums Shell Programming and Scripting How to configure time zone using POSIX format in Centos 5? Post 302737005 by kalpeer on Wednesday 28th of November 2012 09:55:58 AM
Old 11-28-2012
How to configure time zone using POSIX format in Centos 5?

I was in process of developing a new script to configure a time zone. After some study I got the unix utility /usr/bin/tzselect to get the user inputs. Now I am able to configure the time zone depending on the user inputs except for the POSIX format.

Code:
root >/usr/bin/tzselect 
Please identify a location so that time zone rules can be set correctly.
Please select a continent or ocean.
 1) Africa
 2) Americas
 3) Antarctica
 4) Arctic Ocean
 5) Asia
 6) Atlantic Ocean
 7) Australia
 8) Europe
 9) Indian Ocean
10) Pacific Ocean
11) none - I want to specify the time zone using the Posix TZ format.
#? 2
Please select a country.
 1) Anguilla             27) Honduras
 2) Antigua & Barbuda         28) Jamaica
 3) Argentina             29) Martinique
 4) Aruba             30) Mexico
 5) Bahamas             31) Montserrat
 6) Barbados             32) Netherlands Antilles
 7) Belize             33) Nicaragua
 8) Bolivia             34) Panama
 9) Brazil             35) Paraguay
10) Canada             36) Peru
11) Cayman Islands         37) Puerto Rico
12) Chile             38) St Barthelemy
13) Colombia             39) St Kitts & Nevis
14) Costa Rica             40) St Lucia
15) Cuba             41) St Martin (French part)
16) Dominica             42) St Pierre & Miquelon
17) Dominican Republic         43) St Vincent
18) Ecuador             44) Suriname
19) El Salvador             45) Trinidad & Tobago
20) French Guiana         46) Turks & Caicos Is
21) Greenland             47) United States
22) Grenada             48) Uruguay
23) Guadeloupe             49) Venezuela
24) Guatemala             50) Virgin Islands (UK)
25) Guyana             51) Virgin Islands (US)
26) Haiti
#? 2

The following information has been given:

    Antigua & Barbuda

Therefore TZ='America/Antigua' will be used.
Local time is now:    Wed Nov 28 04:00:31 AST 2012.
Universal Time is now:    Wed Nov 28 08:00:31 UTC 2012.
Is the above information OK?
1) Yes
2) No
#? y
Please enter 1 for Yes, or 2 for No.
#? 1

You can make this change permanent for yourself by appending the line
    TZ='America/Antigua'; export TZ
to the file '.profile' in your home directory; then log out and log in again.

Here is that TZ value again, this time on standard output so that you
can use the /usr/bin/tzselect command in shell scripts:
America/Antigua
root >



This utility /usr/bin/tzselect provide an option to give a POSIX time format. Suppose if a user provide the posix format as GMT-14 then how do I configure the time zone? I am using Centos 5.
 

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BIND2CSV2(1)							 MaraDNS reference						      BIND2CSV2(1)

NAME
bind2csv2 - convert zone files from BIND to MaraDNS compatible format DESCRPTION
MaraDNS 1.3 has BIND zone file support. This means it is possible to use BIND zone files in MaraDNS. This makes it easier for people to use MaraDNS in mixed DNS server environments. Instead of having direct BIND zone file support, MaraDNS has a script, called bind2csv2, that converts BIND zone files in to the "csv2" zone file format that MaraDNS 1.2 and 1.3 use. The zone files generated by bind2csv2 are not MaraDNS 1.2 compatible; MaraDNS 1.3 is needed to read zone files generated by bind2csv2. bind2csv2 is a Python script, written in version 2.2.3 of the Python interpreter. The script should be compatible with more recent versions of Python. The script assumes Python is the file /usr/bin/python on your system; if Python is located elsewhere on your system, please change the first line of bind2csv2. Naturally, you will need the Python interpreter installed on your system to use bind2csv2. This is a well-known open source language supported by most modern Linux and BSD distributions. USAGE
To use the script, enter a directory containing BIND zone files, and invoke the script thusly: bind2csv2 -c zone1 zone2 zone3 Substitute "zone1", "zone2", and "zone3" with a list of one or more BIND zone files you wish be converted in to MaraDNS 1.3 csv2 zone files. Once the script is run, you should have files with names like "zone1.csv2", "zone2.csv2", and "zone3.csv2". These files are csv2 zone files that MaraDNS will be able to parse. Copy these csv2 zone files to a place where MaraDNS can find the zone files. Should there already be a "zone1.csv2" file when bind2csv2 is run, the "zone1.csv2" file will be replaced. OPTIONS
None. Bind2csv2 can only be used as above. BUGS
bind2csv2 is not a perfect zone file converter. In particular, bind2csv2 does not act like BIND when NS records have different TTLs. Please make sure all NS records in your BIND zone files have the same TTL. In addition, bind2csv2 also does not support all resource record types that BIND supports. Only the following RRs are supported by bind2csv2: A AAAA AFSDB CNAME GPOS HINFO ISDN LOC MB MD MF MG MINFO MR MX NS NSAP PTR PX RP RT SOA SPF SRV TXT WKS X25 MARADNS
September 2007 BIND2CSV2(1)
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