I just had an issue where I tried to issue crontab -e as a user and got crontabs/username: Permission denied The problem was traced to deleting an old account that had a crontab then recreating the account later which had a different user id. Note here how the...
Linux Tools
Using Knoppix to remove the GRUB password option and blank the root password
I went on three weeks holiday recently and when I got back I had forgotten what I had configured as the GRUB and root passwords on a CentOS 5.1 box. I ended up using two FAQ's that I stored for future reference. One I had written -...
Sometimes xpdf does the job where Acrobat Reader 8.x can’t
Just about everything in the GNU/Linux world is working pretty much as advertised these days. I had an interesting issue with trying to print a restaurant menu from Legends Grill at The Vintage which incidentally is where we had our Wedding reception a few years ago...
How to attach a file to an email using the Linux mail command
How to attach a binary file to an email using the Linux mail command: ( cat bodyofmail.txt; uuencode filetoattach attachmentnameinemail ) |\ mail -s "The subject" [email protected] # for example # if I had the text body of my email in "body.txt" # and I had a PDF file...
A very cool article about lsof
http://dmiessler.com/study/lsof/
Rotating a document using pdftk
I have in the past used Ghostscript to rotate PDFs however this time I used a utility call pdftk On Ubuntu 7.10 it is easily installed using the command: sudo apt-get install pdftk To rotate a pdf 90 degrees to the right (the entire document in this example) you run...
Printing PDF documents from QCAD and Ubuntu Linux 7.10
I use an excellent open source CAD package QCAD which I pay about 49$ P.A. to have the latest version for both Linux (home) and Windows (work). Under Linux it can export as high quality PDF using the "File ==> PDF Export" function but the size of the PDF is quite...
OpenVPN has a GUI – openvpn-admin
I just discovered openvpn-admin a mono based GUI application for controlling connection and configuration of the openvpn ssl vpn package (which rocks btw). It's available from Sourceforge. One thing I found was it needs to be run as root however it's annoying to have...
Location of vmware-any-any patch
The fix download the latest vmware-any-any patch and untar it and run the runme.pl script.
Using Knoppix and ntfsresize to enlarge a Windows XP partition
The following is useful if you have say a 10GB C: drive and it's on a larger Hard Disk and you would like to enlarge it. I don't go into the nitty gritty of using fdisk under Linux so it might be a bit abreviated if you're a newbie. Boot from Knoppix CD Once booted...
Gimp 2.4.0 is Out
Just installed it under Windows XP. Seems a lot more friendly as far as the interface goes. A good preview is located here
Corrupted USB Key Restoration Under GNU/Linux (Ubuntu 7.04)
Recover data from a corrupted USB Key
Toggle fullscreen mode in tsclient (aka. rdesktop)
This appears elsewhere on the web but I like to keep my own info just incase I need to refer to it. CTRL+ALT+ENTER
Yum – Unhelpful Reply
Yum has a few things needing fixing. For example: I have smolt-0.9.8.3-1.fc7 installed but if I do yum install smolt it replies Nothing to do Logically you would assume that this "Nothing to do" message means "I already have that package installed" but NO. If I do a...
cups-pdf Fedora 7 changing directory pdf is outputted to
While installing cups-pdf using yum install cups-pdf I got this error: cut: write error: Broken pipe Installed: cups-pdf.i386 0:2.4.6-1.fc7 But it didn't seem to effect the install. However the default directory cups-pdf for F7 outputs to is $HOME/Desktop... I hate...
Using Knoppix and the dd utility to restore a WinXP partition Image to a Hard Disk
These are my notes on how I successfully restored a Windows XP image I took of a partition. I can't remember how exactly I took the partition image of the Windows XP installation. I can remember the following points I was dual booting at the time and I needed the XP...
Open Source Mix & Match
I was just having a look at what packages I have cobbled together my website with, and here is my list. Ubuntu Edgy (I'm not a fan, prefer Fedora Core X, but can't spend the time to migrate back - Ubuntu is for users) Gallery 2 - Been using this for years and moving...
Postpath – Finally
OK well I have been waiting for Postpath to become available and after many attempts to secure a copy they have sent me my download link. I am going to use the product for work hopefully.I am finding that Linux simply doesn't need the same level of interference as...