Extend Windows Server 2012 R2 evaluation period

1) Command prompt  (CMD) as Administrator
2) Run

     C:> slmgr.vbs /rearm

to reset the evaluation status

3) Reboot to take effect.

Rsync recursively transfer one or multiple directory to another

 rsync -avhP  --progress Movies TV  /mnt/sdc5/media

-a copy archive bits
-v verbose
-h human readable
-P copy partial + progress

Delete Windows files from old drive (Windows 10)

Windows 10

takeown /F "D:\Program Files.old\" /A /R /D Y
cacls "D:\Program Files.old\*.*" /T /grant administrators:F
rmdir /s /q "D:\Program Files.old\"

Change filename to lowercase

root@localhost# rename 'y/A-Z/a-z/' *

Find and delete files

Find par2 files starting from current dir, and print the results of the find
find . -type f -name "*.par2" -print


Find par2 files starting from current dir, and forcibly remove (rm -f)
find . -type f -name "*.par2" -exec rm -f {} \;

vsftpd default file permissions (default umask)

For default permissions of 644

local_enable=YES
write_enable=YES
local_umask=0022
file_open_mode=0777

anonymous_enable=NO
anon_upload_enable=YES
anon_mkdir_write_enable=YES

From http://wintelguy.com/umask-calc.pl 

File Mode Creation Mask / umask Calculator

Mask	Files (requested permissions 666)	Directories (requested permissions 777)
000	666 (rw-rw-rw-)	777 (rwxrwxrwx)
002	664 (rw-rw-r--)	775 (rwxrwxr-x)
007	660 (rw-rw----)	770 (rwxrwx---)
022	644 (rw-r--r--)	755 (rwxr-xr-x)
027	640 (rw-r-----)	750 (rwxr-x---)
077	600 (rw-------)	700 (rwx------)
277	400 (r--------)	500 (r-x------)

Chmod files, not directories

File files only, starting in the current directory, executing chmod 644 on the found files, including files with spaces and starting with -


[user@localhost ]# sudo find . -type f -exec chmod 644 -- {} +