Linux Ask! is a Q & A web site specific for Linux related questions. Questions are collected, answered and audited by experienced Linux users.
Installing Python modules with easy_install
Answer:
Install Python modules cannot be easier with easy_install.
To use easy_install, you can use apt-get to install the "python-setuptools" package
# sudo apt-get install python-setuptools
Then you can use easy_install to install the module you want, e.g. pymongo
# sudo easy_install pymongo
How to perform syntax check for Python program
Answer:
Assume you have a simple Python script hello.py, you want to perform syntax check. You can use the following method
# python -c 'import hello'
Traceback (most recent call last):
File "", line 1, in
File "hello.py", line 1
echo "Hello, World!"
If there is any syntax error, it will prompt out to the screen.
How to check the bash shell version
Answer:
To check the current bash shell version
# bash -version
GNU bash, version 3.2.48(1)-release (x86_64-pc-linux-gnu)
Copyright (C) 2007 Free Software Foundation, Inc.
How to remove install CPAN modules?
Answer:
1. Copy the script below, e.g. remove_module.pl
#!/usr/bin/perl -w
use ExtUtils::Packlist;
use ExtUtils::Installed;
$ARGV[0] or die "Usage: $0 Module::Name\n";
my $module = $ARGV[0];
my $inst = ExtUtils::Installed->new();
foreach my $item (sort($inst->files($module))) {
print "Removing $item\n";
unlink $item;
}
my $packfile = $inst->packlist($module)->packlist_file();
print "Removing $packfile\n";
unlink $packfile;
2. Execute the script to remove module, e.g. MongoDB
# perl remove_module.pl MondoDB
Install Perl module from CPAN even tests failed
Answer:
To install Perl module from CPAN even tests failed, try the following:
e.g. Assume to install the MongoDB module
# sudo cpan -fi MongoDB
