How to stop and remove the gvfs-metadata service on your Ubuntu system The gvfs system that comes with the Gnome and MATE desktops also saves metadata about the users web download history. This is interesting, I thought only Firefox saved your download history, but gvfs saves this too. Use this…
Read MoreIt is very simple to show a banner to your users, that explains the terms of use for an SSH connection upon the user reaching a login prompt. Firstly, create a file named info in the /etc/ssh directory. sudo touch /etc/ssh/infosudo touch /etc/ssh/info Then put this in it. *************************************************************************** NOTICE…
Read MoreTo find the largest file in a directory; use the du command and this will return the information you are after. Using the pipe symbol to send the text through to the head command will allow us to only return the one file we are interested in. jason@jason-desktop:~/Documents$ find ….
Read MoreThe tail command is a good way to see new content in a file, but it is monochrome output. But there is a better way to monitor files. Use the multitail command instead. This will print muticolored output when printing the last few lines of a file. Install this utility….
Read MoreThe Midnight Commander file manager for Linux is indispensable for any serious Linux desktop or command line user. The ability to quickly copy or move files from one place to another and edit source code is amazing. Files can be copied between panes with the F5 key. F6 to move…
Read MoreBlocking access to the .htaccess file on your Apache web server blocks access to the file by curious web users that want to see what directives are in it. The code below added to the .htaccess file will forbid all access to the .htaccess file by web users while still…
Read MoreI think I may have posted this before, but this is a little program I am working on that writes a text string to a file. I have got it to work perfectly and it compiles without errors using gcc -Wall. /* * This program is free software; you can…
Read MoreHere is one for any experimenters out there… It is possible to create files which simply cannot be deleted from the standard shell. To do this you will have to physically create the file using a script or a text editor, and you will have to use a sequence of…
Read MoreIf you are using a remote server with SSH and you wish to get a large file off the Internet to the remote server easily, you may use the wget command to download it directly to the server instead of having to download it at home and then upload it…
Read MoreThe steghide program is used to embed one image inside another. I will be showing you how to embed a text file inside an image and then set a passphrase to use when recovering the text file. This is a simple example, I am embedding the file my.txt into a…
Read MoreWindows 8.1 has a feature that not many people know about. You can press Win-PrtScr to take a screenshot and save it straight to the hard disk. The screenshots are saved in the Users/Homer/Pictures/Screenshots folder. This is a very useful way to take a screenshot and save it straight to…
Read MoreHow to read a file and display the contents with Python. This sample code reads and outputs the contents of a file using Python. This is a very simple code sample for reading in a file and displaying it. #!/usr/bin/env python forme = "f.txt"; # Read a file…
Read MoreHere I am using the watch ‘tail access.log’ command to watch the access log file for the Apache web server. This will update every two seconds and show changes to the logfile when someone accesses the server. Every 2.0s: tail access.log Tue Jul 2 10:26:04 2013 77.78.106.75 – -…
Read MoreThis command will set the timestamp of a file in Linux to be in the past. I am not sure what use this is, but it shows what you can do with the Linux command line. john@adeptus-mechanicus ~/Documents $ touch -t 200510071138 root.jpeg john@adeptus-mechanicus ~/Documents $ ls root.jpeg -rw-r–r– 1…
Read MoreThis is my /etc/fstab file. # /etc/fstab: static file system information. # # Use ‘blkid’ to print the universally unique identifier for a # device; this may be used with UUID= as a more robust way to name devices # that works even if disks are added and removed. See…
Read MoreThe Windows 8 launch is past and there are stories floating around that the computers running this operating system are polluted with crapware that slows down the machines and provides no real benefit. When I bought my ASUS eePC netbook; it was running Windows XP Professional with the extra ASUS…
Read MoreUbuntu 12.10 Nautilus file manager. The all new look. Do you like this look or not? I just installed the latest Ubuntu 12.10 Quantal Quetzal ISO and this is the all new look of the Nautilus file manager. Ubuntu 12.10 is quite impressive, I installed the distribution from the Live…
Read MoreThe file manager on the old Macintosh Operating System looks just like the Gnome Nautilus file manager on Linux. I was using my brother’s iMac today and I was amazed at how much a very old version of Macintosh OS looks just like Gnome. The Macintosh operating system is better…
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