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For 2023 (and 2024 ...) - we are now fully retired from IT training.
We have made many, many friends over 25 years of teaching about Python, Tcl, Perl, PHP, Lua, Java, C and C++ - and MySQL, Linux and Solaris/SunOS too. Our training notes are now very much out of date, but due to upward compatability most of our examples remain operational and even relevant ad you are welcome to make us if them "as seen" and at your own risk.

Lisa and I (Graham) now live in what was our training centre in Melksham - happy to meet with former delegates here - but do check ahead before coming round. We are far from inactive - rather, enjoying the times that we are retired but still healthy enough in mind and body to be active!

I am also active in many other area and still look after a lot of web sites - you can find an index ((here))
Looking for files with certain characteristics (Linux / Unix)

I was about to use chown to change the ownership of an entire subdirectory tree that had been passed from one user to another. But - hang on - were there any files there that belonged to someone else for any reason? One way to find out - a find command:

find . -not -user savethetrain -print

"Find all the files in or below the current directory that do not belong to the savethetrain account"

Other options to find include:
-name - look by name
-uid - look by user id
-mtime - look by file modified time
-perms - look by permissions
-size - look by file size
(written 2008-05-22)

 
Associated topics are indexed as below, or enter http://melksh.am/nnnn for individual articles
A161 - Web Application Deployment - Users and Groups
  [409] Functions and commands with dangerous names - (2005-08-11)
  [431] File permissions of Linux and Unix systems - (2005-08-31)
  [683] Supporting users on Linux and Unix - (2006-04-13)
  [1592] Setting up a new user - Linux or Unix - (2008-03-26)
  [1619] User and Group settings for Apache httpd web server - (2008-04-22)
  [1773] The Longest Possible Day - (2008-08-26)
  [1902] sstrwxrwxrwx - Unix and Linux file permissions - (2008-11-23)
  [1904] Ruby, Perl, Linux, MySQL - some training notes - (2008-11-23)
  [2103] Ask the Tutor - Open Source forum - (2009-03-25)
  [2117] Choosing a railway station fairly in PHP - (2009-04-04)
  [2203] Always use su with minus. And where do programs come from? - (2009-05-27)
  [2301] Mistaken identity? - (2009-07-22)
  [2491] Root is root for a reason! - (2009-11-03)
  [2639] su or su - ... what is the difference? - (2010-02-17)
  [4045] Linux Web Server - User Roles, User Accounts, and shared administration - (2013-03-16)


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Some other Articles
The old sayings are the best (FSB)
How do Google Ads work?
Old Sarum airfield brings back fond memories
ls command - favourite options
Looking for files with certain characteristics (Linux / Unix)
Easy conversion - image formats, currencies and distances
The tourists guide to Linux
Exchange Rates - PHP with your prices in your users currency
Using cookies and sessions to connect different URLs - PHP
Seeing how others do it - PHP training
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This is a page archived from The Horse's Mouth at http://www.wellho.net/horse/ - the diary and writings of Graham Ellis. Every attempt was made to provide current information at the time the page was written, but things do move forward in our business - new software releases, price changes, new techniques. Please check back via our main site for current courses, prices, versions, etc - any mention of a price in "The Horse's Mouth" cannot be taken as an offer to supply at that price.

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