Arquivo da categoria: Sistema Operacional

Linux, Sistema Operacional

How can I see the size of files and directories in linux?

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https://stackoverflow.com/questions/11720079/how-can-i-see-the-size-of-files-and-directories-in-linux


There is also a great ncdu utility – it can show directory size with detailed info about subfolders and files.

Installation

Ubuntu:

$ sudo apt-get install ncdu

Usage

Just type ncdu [path] in the command line. After a few seconds for analyzing the path, you will see something like this:

$ ncdu 1.11 ~ Use the arrow keys to navigate, press ? for help
--- / ---------------------------------------------------------
.  96,1 GiB [##########] /home
.  17,7 GiB [#         ] /usr
.   4,5 GiB [          ] /var
    1,1 GiB [          ] /lib
  732,1 MiB [          ] /opt
. 275,6 MiB [          ] /boot
  198,0 MiB [          ] /storage
. 153,5 MiB [          ] /run
.  16,6 MiB [          ] /etc
   13,5 MiB [          ] /bin
   11,3 MiB [          ] /sbin
.   8,8 MiB [          ] /tmp
.   2,2 MiB [          ] /dev
!  16,0 KiB [          ] /lost+found
    8,0 KiB [          ] /media
    8,0 KiB [          ] /snap
    4,0 KiB [          ] /lib64
e   4,0 KiB [          ] /srv
!   4,0 KiB [          ] /root
e   4,0 KiB [          ] /mnt
e   4,0 KiB [          ] /cdrom
.   0,0   B [          ] /proc
.   0,0   B [          ] /sys
@   0,0   B [          ]  initrd.img.old
@   0,0   B [          ]  initrd.img
@   0,0   B [          ]  vmlinuz.old
@   0,0   B [          ]  vmlinuz

Delete the currently highlighted element with d, exit with CTRL + c

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Java, Windows

Running JAR file on Windows

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Easiest route is probably upgrading or re-installing the Java Runtime Environment (JRE).

Or this:

  • Open the Windows Explorer, from the Tools select ‘Folder Options…’
  • Click the File Types tab, scroll down and select JAR File type.
  • Press the Advanced button.
  • In the Edit File Type dialog box, select open in Actions box and click Edit…
  • Press the Browse button and navigate to the location the Java interpreter javaw.exe.
  • In the Application used to perform action field, needs to display something similar to C:\Program Files\Java\j2re1.4.2_04\bin\javaw.exe" -jar "%1" % (Note: the part starting with ‘javaw’ must be exactly like that; the other part of the path name can vary depending on which version of Java you’re using) then press the OK buttons until all the dialogs are closed.

Which was stolen from here: http://windowstipoftheday.blogspot.com/2005/10/setting-jar-file-association.html

https://stackoverflow.com/questions/394616/running-jar-file-on-windows

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