Instant one line setup FTP server

One line setup FTP server by The Swiss File Knife

  • I just found it … I needed to run some ftp server and do not waist time for setting all complicated configs for any popular FTP server
  • I wanted to have something similar to python -m SimpleHTTPServer 9191
  • I found The Swiss File Knife which provides ftp server
./sfk-linux.exe ftpserv -user=foo -pw=bar ./FTP_ROOT_DIRECTORY/
note : cannot bind on port 21, using alternative port 2121.
SFK Instant FTP 105. For help, type "sfk ftpserv -help".
waiting on port 2121, IP or
only read allowed. 60 sec timeout.

  • SFK is available for Windows, Linux, Mac


This is a test of highlight level 1 with markdown

More about markdown you can find here

Level 2

* item 1
* item2


head 1 Head 2
1×1 1×2
2×2 2×2


The code for this is:


# This is a test of highlight level 1 with markdown 

More about markdown you can find [here](

## Level 2

* item 1 
* item2

# Tables 

|head 1| Head 2|
| 1x1 | 1x2 |
|2x2 |2x2 |

SSH login without password

a@A:~> cat .ssh/ | ssh b@B 'cat >> .ssh/authorized_keys'
b@B's password: 

or other example:
kowalczy@localhost:~$ cat ~/.ssh/ | ssh svc_hes_user@psw-jenkins 'cat >> ~/.ssh/authorized_keys'
svc_hes_user@psw-jenkins's password:
kowalczy@localhost:~$ ssh svc_hes_user@psw-jenkins
Welcome to Ubuntu 14.04.1 LTS (GNU/Linux 3.13.0-32-generic x86_64)

more info at:


How to fix not properly displayed icons of known applications at Start menu, Desktop, Taskbar

It happened few times for my computer that some application icons were not displayed properly: Firefox, Virtualbox, JetBrains PyCharm, GoProStudio, Google Chrome.

Here is the solution I found at :

Here’s a slightly quicker version of the instructions.
1. Press Ctrl-Shift-Escape to get the task manager.
2. In the Processes tab, click on explorer.exe and click End Process. You’ll get a confirmation dialog. Click “End Process” to confirm.
3. From the File menu (still in the task manager), choose New Task (Run…).
4. Copy/paste/enter the following command in the run box:
cmd /c del %userprofile%\AppData\Local\IconCache.db /a
5. Open the Run box again with File –> New Task (Run…). This time, enter this command:
6. All should be okay now. Open the Start Menu and confirm that your icons are fixed now.