2010 – Page 2 – PODTECH

UNIX

Solaris Zones

Solaris Zones 1 Overview 1.1 Global Zone – overview 1.2 Non-Global Zone – overview 2 Considerations before choosing zones 2.1 When should I consider using zones? 2.2 Can Solaris 8 be provided in a zone? 3 Resource Management 3.1 CPU capping 3.2 Memory capping 3.3 Process capping 3.4 Global Zone Capping 4 Configuration 4.1 Supported […]

UNIX

A Tutorial on Wget

A Tutorial on Wget Basics Wget is one of the powerful tools available there to download stuff from internet. You can do a lot of things using wget. Basic use is to download files from internet. To download a file just type [bash] wget http://your-url-to/file [/bash] But you cannot resume broken downloads.use -c option to […]

Perl

PERL – Length

PERL – Length [perl] $RESULT = length(EXPRESSION); [/perl] Perl’s length() function simply returns the length of a perl string in characters [perl] $myString = ‘perl.about.com’; $myLength = length($myString); [/perl] In this example, we’ve created a string with the value perl.about.com. When we run the length function on the string, it will return 14, or the […]

Miscellaneous

Vodafone Mobile Broadband – iPad settings

Vodafone Mobile Broadband – iPad settings If¬† your using a dongle sim from vodafone in your iPad;¬† I found these settings worked for me. APN: pp.internet User: web Pass: web

Perl

Perl Push Array

Perl Push Array A slightly more interesting kind of variable is the array variable which is a list of scalars (ie numbers and strings). Array variables have the same format as scalar variables except that they are prefixed by an @ symbol. The statement @food = ("apples", "pears", "eels"); @music = ("whistle", "flute"); assigns a […]

MYSQL, SQL

SQL Where values are not in another table

SQL Where values are not in another table [sql] select TCode from Tracking where not exists (select * from Task where Task.TCode = Tracking.TCode ) [/sql]

MYSQL

Select next available ID

Select next available ID ## Select the next available UID ## Do not delete users from unixuid and unix gid as there id’s may get re-used ######################################## [sql] SELECT min( r1.uid ) +1 AS next_available_uid FROM unixuid AS r1 LEFT OUTER JOIN unixuid AS r2 ON r2.uid = r1.uid +1 WHERE r1.uid >200 AND r2.uid […]

UNIX

Shell, KSH Read Variables

Shell, KSH Read Variables Read in a Variable From a user we read with: read var. Then the users can type something in. One should first print something like: [bash] print -n “Enter your favorite haircolor: “; read var; print “”. [/bash] The -n suppresses the newline sign. Read into a File Line for Line […]

Perl

Pass Parameters to Perl Script

Pass Parameters to Perl Script Perl command line arguments stored in the special array called @ARGV. ARGV example Use $ARGV[n] to display argument. Use $#ARGV to get total number of passed argument to a perl script. For example, if your scriptname is foo.pl and you called script as follows: ./foo.pl one two three You can […]

UNIX

change passwd – permission denied (NIS)

Change passwd – permission denied (NIS) I setup a new NIS server and put the NIS source files in /var/yp/src/ The command line “passwd” gave me a permission denied when changing an NIS user’s password. A restart of yp fixed the problem for me.. Eventually I restarted NIS with: [bash] /usr/lib/netsvc/yp/ypstop /usr/lib/netsvc/yp/ypstart [/bash]

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Year: 2010

Solaris Zones

A Tutorial on Wget

PERL – Length

Vodafone Mobile Broadband – iPad settings

Perl Push Array

SQL Where values are not in another table

Select next available ID

Shell, KSH Read Variables

Pass Parameters to Perl Script

change passwd – permission denied (NIS)

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