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find . -type f -size +20000k -exec ls -lh {} \; | awk '{ print $8 ": " $5 }' 

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pg_dump -Unrcrm -h 192.168.x.x --exclude-table=public.foo --exclude-table=public.bar  dbname | bzip2 -c > ~/file.bz2


bzip2 -d db.sql.bz2 |psql test test




SELECT relname, reltuples, relpages * 8 / 1024 AS "MB" FROM pg_class ORDER BY relpages DESC; 

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SELECT relname, reltuples, relpages * 8 / 1024 AS "MB" FROM pg_class ORDER BY relpages DESC;

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It is possible to create files of arbitrary size on a linux machine using the dd command. Here is an example:

$ cd /tmp
$ dd if=/dev/zero of=bigfile bs=1024 count=1048576 

This will create a file of size 1024 * 1048576 bytes (or 1 GB). In this command

    * if - input file
    * of - output file or the file to be created
    * bs - block size in bytes

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ssh -L 9090:localhost:9090 root@12.34.56.78 -N

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history | awk '{a[$2]++}END{for(i in a){print a[i] " " i}}' | sort -rn | head

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#!/bin/bash
 
# Install Guide:
# 1. Use http://www.virtualbox.org if you use Windows or OS X
# 2. Download http://www.ubuntu.com 9.04 Desktop Edition and install into VM.
# 3. In your ubuntu console:
# $ wget http://gist.github.com/raw/180820/333b288a1b5df8df09842bfcfa248fa252f0cf3b/rails_install_script_on_ubuntu
# $ chmod 555 rails_install_script_on_ubuntu
# $ ./rails_install_script_on_ubuntu
 

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Configuration summary
  + using system PCRE library
  + using system OpenSSL library
  + md5: using OpenSSL library
  + sha1 library is not used
  + using system zlib library

  nginx path prefix: "/usr/local/nginx"
  nginx binary file: "/usr/local/nginx/sbin/nginx"
  nginx configuration prefix: "/usr/local/nginx/conf"

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establish_connection(
            :adapter=> "postgresql",
            :host => "localhost",
            :database=> "test",
            :schema_search_path=> "my",
            :username=>'test',
            :password=>'test')

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Add this in .htaccess

php_value allow_call_time_pass_reference 1