Posts tagged as:

perl script

Shell Script: Create Linux Bootable USB Sticks

by Vivek Gite · 2 comments

This may come handy, from the project page:
Mk-boot-usb is a perl script to create multiple-bootable usb sticks (usb keys / usb flash drives). It wipes out an entire usb stick, partitions it, creates file systems on it, installs grub, and installs a minimal linux on it. Mk-boot-usb is meant to speed up and lower the [...]

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Getting Yesterdays or Tomorrows day with shell date command

by Vivek Gite · 19 comments

When invoked without arguments, the date command displays the current date and time. Depending on the options specified, date will set the date and time or print it in a user defined way. I’ve seen many people writing a perl script for calculating yesterday or tomorrow. Computer loves numbers but we love relative terms like 2 days ago. Luckily GNU date command is designed to handle relative date calculation.

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April 6, 2007: nixCraft FAQ Roundup

by Vivek Gite · 0 comments

Recently updated/posted Linux and UNIX FAQ:

Lighttpd checking for GTHREAD… configure: error: Package requirements (gthread-2.0 >= 2.4.0) were not met error and solution
How do I install and search FreeBSD ports or a package?
Finding a File containing a particular text string in Linux server
Perl display and pass command ling arguments with @argv
Redhat Enterprise Linux (RHEL) install and [...]

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Howto Make Script More Portable With #!/usr/bin/env As a Shebang

by Vivek Gite · 7 comments

You may have noticed that most shell and perl script starts with the following line:
#!/bin/bash
OR
#!/usr/bin/perl
It is called a shebang. It consists of a number sign and an exclamation point character (#!), followed by the full path to the interpreter such as /bin/bash. All scripts under UNIX and Linux execute using the interpreter specified on [...]

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Perl script to monitor disk space and send an email

by Vivek Gite · 23 comments

Here is a quick question by one of our regular reader :
How to write a perl script that can monitor my disk space under UNIX or Linux and send me an email alert?

There is a nice perl system routine called Perl df or Filesys::DiskSpace. This routine displays information on a file system such as its [...]

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