Archive for the ‘shell scripting’ Category

postfix : warning: SASL authentication failure: No worthy mechs found

June 25, 2011 1 comment

This post is a little off-topic, but when setting up a development box, I needed to have a neutral smtp server setup, so I used for outbound test emails.

Important step 1 is this (running on ubuntu)

apt-get install libsasl2-modules

Step 2. is to follow this tutorial:

Categories: shell scripting Tags: ,

beautiful shell script – rename files with paths – man find

December 21, 2007 5 comments

I’m in the process of converting a MCMS generated site over to php / unix environment and was suffering from the “default.htm” problem. So I needed to copy all the default.htm files to index.htm. Was sitting there playing with some shell scripting for a minute and then found this GREAT link: awesome one-liner:

for f in `find . -name '*replaceme.jpg'` ; do mv $f ${f/replaceme/withme}; done

Ok, so I had to see how this thing works… I’ve used bash for several years and never saw this ${f/x/y} syntax.. looking at the bash reference guide, it looks like “shell parameter expansion”. Very convenient.. if only I had read the manual sooner….