There are a ton a excellent desktop and web based RSS feed readers available to choose from. My favorites by far are FeedDemon for Windows and NetNewsWire for Mac.
The last few years I’ve been using both with NewsGator Online to read and sync my news feeds daily. I’ve found this to [...]
The ternary operator is an excellent and often underutilized way to quickly evaluate a variable in place of an if/else statement. The syntax is clean and can greatly simplify code.
( expr1 ) ? ( expr2 ) : ( expr3 )
Take the following code for example where we determine how to greet a user.
<?php
[...]
01.10Using Rsync over SSH
Prerequisites
First make sure that you are able to login to the remote host using ssh key authentication.
Basic Syntax
To sync files from a local directory to a remote directory use the following syntax:
rsync {options} -e ssh {source} {dest}
Example
Here is an example that exclude all .psd and .fla files:
rsync –exclude *.psd \
[...]
Create and Compress and Archive
Archive a group of files:
tar -czvf archive.tar.gz file1 file2 file3
Archive an entire directory:
tar -czvf archive.tar.gz directory/
Extract a Compressed Archive
tar -xzvf archive.tar.gz
List the Contents of a Compressed Archive
tar -tzvf archive.tar.gz
Common tar Switches
-c create a new archive
-x extract files from an archive
-t list the contents of an archive
-z filter the archive through gzip
-v [...]
Step 1: Generate Keypair on Localmachine
ssh-keygen -t dsa
When prompted for a passphrase you can leave it empty to enable logging in without a password (please note that there are potential security issues with doing this).
After confirming your passphrase at the second prompt you’ll find two new files (the keypair) in your ~/.ssh directory. The [...]