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The most common shortcuts for code editing | OSX

Published by Nicholas Dunbar on April 1st, 2016

Most Common Text Editor Hot Keys For Programmers Here are a list of hot keys that work the most universally as possible for text editing. There are so many hot keys and yet so little time. Which hot keys should you learn? If you work in the command l...

How to open multiple Iterm windows on startup

Published by Nicholas Dunbar on February 10th, 2016

Find your self having to run a server or turn on some sort of process every time you open up your development environment? The script bellow will help you set up your own custom default tabs in iterm running what ever scripts you want when the window i...

programming command-line

Backing up and restoring S3 from a versioned bucket

Published by Nicholas Dunbar on March 29th, 2015

Here is a set of scripts used to manage backups. You can back up a bucket to another and then restore the source bucket to a certain snap shot in time as well as a few other things. Example: //to run back up (see script at the bottom) prompt> bkupToBu...

programming php command-line aws

Remove all versions from S3 bucket using AWS tools

Published by Nicholas Dunbar on March 26th, 2015

This will help you answer any of the following questions: Delete all deletion markers for every object in a bucket. Delete all objects and versions for every object in a bucket. Delete a bucket that has had versioning turned on. This article will wal...

programming linux command-line aws

Installing xdebug in XAMPP 5.5.19 on Mac OSX

Published by Nicholas Dunbar on December 29th, 2014

This was tested on OSX Lion. Please let me know if it works on Mountain Lion or later. Here is what we will be doing in a nut shell. You will need to download the correct source code for your version of xdebug and then you will need to use the correct...

programming php command-line

Installing xdebug in XAMPP 1.8.3 on Linux

Published by Nicholas Dunbar on February 10th, 2014

If you have installed XAMPP 1.8.3-0 for Linux and you want to install x-debug here is how to do it using PECL. 1.) Check to make sure /bin is in your path echo $PATH; if :/bin: is in the path then bin is in your path. This makes sure that when you c...

programming linux php command-line

Don't overwrite permissions with tar file

Published by Nicholas Dunbar on February 9th, 2014

When you use tar to back-up a directory and then you want to restore that directory you may want to keep existing permissions intact. If you made changes to the permissions since the archive was created and you want to restore the original files while ...

linux command-line contracting

Jump to end of file with vi or vim | Jump to last line

Published by Nicholas Dunbar on January 3rd, 2014

Insert Mode is when you have a block cursor and can edit the text Command Mode is when you have a : at the bottom where you can enter commands. If you are in insert mode or command mode hit: escape key then shift+g keys If you are not in insert mode...

unix linux command-line vi

Add an existing user to an existing group in Linux

Published by Nicholas Dunbar on January 3rd, 2014

If you want to a add a user to an existing group this is how you do it. [local_username@localhost /]$ useradd -a -G somegroup usernameThen log out and log back in for the new group settings to take effect.Managing permissions for a group is an importan...

unix linux command-line

Exclude images from a Linux find

Published by Nicholas Dunbar on November 19th, 2013

If you want to find all files in a sub directory and you don't want images to show up in the list here is a way to do it: [local_username@localhost /]$ find /some/dir/ -type f $ -name '*.png' -o -name '*.jpg' -o -name '*.jpeg' -o -name '*.gif' $ -pr...

linux command-line contracting

Remove files present in one directory but not the other

Published by Nicholas Dunbar on November 1st, 2013

This will remove all the files and folders that are in /dir1 but not in /dir2[local_username@localhost /]$ diff -rq /dir1 /dir2 | grep -E "^Only in /dir1*" | sed -n 's/://p' | awk '{print $3"/"$4}' | xargs -I {} rm -r {}Explanation:diff - command that ...

linux command-line contracting

On create a new file, why are the execute permissions not set to my umask

Published by Nicholas Dunbar on October 22nd, 2013

Why newly created files do not have the execute permissions set by default, even though I set default permissions to have execute with the command umask? Example (reason why below): Lets say you have run the following command: [local_username@localh...

linux command-line

Installing SSH and SCP in ANT 1.8.2 OSX

Published by Nicholas Dunbar on September 3rd, 2013

Download jsch-0.1.50.jar at http://sourceforge.net/projects/jsch/files/jsch/0.1.50/jsch-0.1.50.zip/download Download ant-jsch-1.8.2.jar at http://mvnrepository.com/artifact/org.apache.ant/ant-jsch/1.8.2 jsch-0.1.50.jar - contains the supporting clas...

command-line macos

List all users on a server

Published by Nicholas Dunbar on August 22nd, 2013

User information is stored in the /etc/passwd file [username@localhost /]$ awk -F":" '{ print $1 }' /etc/passwd If you want to print out the user name and UID: [username@localhost /]$ awk -F":" '{ print $1 "\t\t"$3 }' /etc/passwd | column -t Here is ...

linux command-line bash

Back up pear configuration | restore pear configuration | transfer pear configuration

Published by Nicholas Dunbar on May 20th, 2013

Here is how to back up your pear configuration to a script so that it can later be transferred to another installation of pear or so that you can restore a previous configuration. user@localhost the_directory> pear config-show | grep -viE "^([=]+|.{0,...

programming linux command-line

Make new files take on the same group as the directory | Ubuntu | Linux

Published by Nicholas Dunbar on March 12th, 2013

If you want all files created in a directory to carry a certain default group owner, change the files immediate folder to use the permission bit "s" user@localhost the_directory> chmod g+s your_dir_name This will make it so, if you cd your_dir_name a...

linux command-line ubuntu

Copy MySQL schema from remote host to local host

Published by Nicholas Dunbar on March 12th, 2013

The secret is to use a program called mysqldump which comes with your installation of mysqld. user@localhost the_directory>mysqldump --no-data -u root remote_db_name -h address_of_remote_machine.com > temp-db-schema.mysql user@localhost the_directory...

linux mysql command-line

Copy all files a user owns off of remote server

Published by Nicholas Dunbar on March 12th, 2013

This is for copying files from a Linux machine to a local Linux machine. user@localhost the_directory> ssh user_name@remote_domain.com 'cd /dir/you/want/to/copy/; find `pwd` -user user_name' | xargs -I{} scp user_name@remote_domain.com:{} `pwd` This...

linux command-line bash

Filter files by ownership | Use ls -l to show only files with a certain user ownership

Published by Nicholas Dunbar on March 11th, 2013

Well one way is not to use the "ls" command, use "find" with "-maxdepth 1" so that it performs like ls instead: user@server the_directory> find -maxdepth 1 -user the_user_name -ls 2>/dev/null user@server the_directory> find -maxdepth 1 -group the_gro...

linux command-line

Change ownership of files owned by only one user

Published by Nicholas Dunbar on March 11th, 2013

To find all the files owned by a specific user and then change their group and user ownership to something else use the example in green and follow the directions on what to replace in the green example: Replace enter_user_name_here with the specific ...

linux command-line

Interpret PHP as you type | PHP prompt

Published by Nicholas Dunbar on January 18th, 2013

How to Code PHP from the prompt. How to run PHP in interactive mode. Open a command line prompt and type the following: C:\> php -a Interactive shell php > echo 5+8; 13 ctrl-D to exit If it can't find PHP, you need to check and see if it is inst...

php command-line

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