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mszczepanczyk/logkeys
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PLEASE NOTE THIS IS MY PRIVATE FORK. YOU SHOULD PROBABLY VISIT https://code.google.com/p/logkeys/ FOR AN OFFICIAL VERSION. =============================================================================== logkeys - a GNU/Linux keylogger that works! =============================================================================== 0. Licence 1. Description 2. Installation 3. Usage how-to 4. Troubleshooting 5. Further information =============================================================================== +------------------------------------------------ 0. Licence =============================================================================== logkeys is dual licensed under the terms of either GNU GPLv3 or later, or WTFPLv2 or later. It is entirely your choice! See COPYING for further information about licensing. +------------------------------------------------ 1. Description =============================================================================== logkeys is a linux keylogger. It is no more advanced than other available linux keyloggers, notably lkl and uberkey, but is a bit newer, more up to date, it doesn't unreliably repeat keys and it shouldn't crash your X. All in all, it just seems to work. It relies on event interface of the Linux input subsystem. Once completely set, it logs all common character and function keys, while also being fully aware of Shift and AltGr key modifiers. +------------------------------------------------ 2. Installation =============================================================================== Provided your GNU/Linux distribution doesn't include logkeys package in its repositories, manual installation of logkeys from source is as easy as: $ tar xvzf logkeys-0.1.1.tar.gz # to extract the logkeys archive $ cd logkeys-0.1.1/build # move to build directory to build there $ ../configure # invoke configure from parent directory $ make # make compiles what it needs to compile ( become super↙user now ) # you need root to install in system dir # make install # installs binaries, manuals and scripts That's it. To ever uninstall logkeys, remove accompanying scripts and manuals, issue # make uninstall # in the same logkeys-0.1.1/build dir from before A copy of these instructions is in the accompanying INSTALL file. +------------------------------------------------ 3. Usage how-to =============================================================================== logkeys is simple. You can either invoke it directly, by typing full command line, or use the provided scripts. There are two helper programs in this package: bin/llk , which is intended to start the logkeys daemon, and bin/llkk , which is intended to kill it. bin/llk runs etc/logkeys-start.sh, and bin/llkk runs etc/logkeys-kill.sh. You can use these two setuid root programs (llk and llkk) for starting and stopping the keylogger quickly and covertly. You can modify the .sh scripts as you like. As the two programs are installed with setuid bit set, the root password need not be provided at their runtime. Default log file is /var/log/logkeys.log and is not readable by others. I suggest you first test the program manually with $ touch test.log $ logkeys --start --output test.log and in the other terminal follow it with $ tail --follow test.log and see if the pressed keys match to those noted. If you use a US keyboard layout, use -u switch. Make sure your terminal character locale is set to UTF-8 $ locale LANG=xx_YY.UTF-8 LC_CTYPE="xx_YY.UTF-8" ... or alternatively, you need en_US.UTF-8 locale available on your system $ locale -a ... en_US.UTF-8 ... otherwise you may only see odd characters (like ꑶ etc.) when pressing character keys. logkeys acts as a daemon, and you stop the running logger process with $ logkeys --kill (or bin/llkk provided script). For more information about logkeys log file format, logkeys keymap format, and command line arguments, read the application manual, $ man logkeys or see the wiki at project website: http://code.google.com/p/logkeys/ Abuse the output of this software wisely. +------------------------------------------------ 4. Troubleshooting =============================================================================== 4.1 empty log file or 'Error opening input event device' ------------------------------------------------- After you run logkeys successfully, if you open the log file and see only the 'Logging started...' and 'Logging stopped...' tag without any keypress "contents," it is very likely that logkeys got your device id wrong. This may also apply if you get the following error: Error opening input event device '/dev/input/event-1' The solution is to determine the correct event device id, and then run logkeys with --device (-d) switch, specifying that device manually. The procedure for manually learning the device id to use is as follows: As root, for each existing device eventX in /dev/input/, where X is a number between 0 and 31 inclusively, write: $ cat /dev/input/eventX then type some arbitrary characters. If you see any output, that is the device to be used. If you don't see any output, press Ctrl+C and continue with the next device. If this happened to be your issue, *please* submit a bug report, attaching your /proc/bus/input/devices file as well as and specifying which was the correct id. 4.2 logkeys outputs wrong characters ------------------------------------------------- It is very likely that you will see only some characters recognized, without any hope for Shift and AltGr working even slightly correct, especially when starting logkeys in X. In that case it is better to switch to virtual terminal, e.g. tty4 (Ctrl+Alt+F4), and there execute: $ logkeys --export-keymap my_lang.keymap Then open my_lang.keymap in UTF-8 enabled text editor and manually repair any missing or incorrectly determined mappings. From then on, execute logkeys by $ logkeys --start --keymap my_lang.keymap Again, see if it now works correctly (character keys appear correct when you are viewing the log file in editor), and opt to modify bin/llk starter script. If you create full and completely valid keymap for your particular language, please upload it to website or send it to me by e-mail. Thanks. +------------------------------------------------ 5. Further information =============================================================================== Read the man page. Please read the whole man page. Thanks. :-) Refer to troubleshooting and FAQ sections on the project website, http://code.google.com/p/logkeys/ , for currently known issues, ways to resolve them, and any other information. Report any bugs and request reasonable features on the issues list page http://code.google.com/p/logkeys/issues . When opening new issues, always provide descriptively keyworded summary and description. You are more than welcome to implement unreasonable features yourself, as well as hack the program to your liking. If you are a pr0, please answer the few questions I commented in the source. Thanks. ~
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