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Friday, May 22, 2015

Record playing sounds with Audacity

  1. If not already installed, add PulseAudio Volume Control (pavucontrol) to your system. This is usually available in the distribution's repository.
  2. Ensure that PulseAudio is running. In Audacity's Device Toolbar, set the Host to ALSA and the input device to pulse.
    • On systems where PulseAudio is the default sound system the input device may be set to default.
    • The output may be set to pulse or to any available soundcard.
    Pulse-device-toolbar.png
  3. Ensure that "Software Playthrough" is not enabled in the Transport Menu then left-click on the Recording Meter to turn monitoring on.
  4. Open PulseAudio Volume Control and choose the "Recording" tab.
  5. In the "Capture from" dropdown, select the "Monitor" option of the playback device used by the application you want to record from, as shown below:
    Pavucontrol-CaptureMonitor.png
  6. Launch the application that you wish to record and begin playback.
  7. In the "Recording" tab of PulseAudio Volume Control, drag the volume sliders so that the input level in Audacity's Recording Meter is to left of 0 dB (-6 dB is a good level to aim for).
    • The playback level of the application being recorded will also affect the level of the recording. Use the "Playback" tab in PulseAudio Volume Control or the volume control in the application to adjust the output level.
  8. When the input level has been correctly adjusted, press the Record button in Audacity .

Audacity should look like so:


The PulseAudio Volume Control should see Audacity:


Thursday, May 21, 2015

Record audio and split

To record, one can use Audio Recorder or Audacity. To split the recorded audio, import it in Audacity, and after identifying the separation between two tracks, click there and then Ctrl-B (that is 'Tracks-Add label at selection').




Then,  Ctrl-Shift-L (File-Export multiple).

Saturday, May 16, 2015

Set cursor theme in terminal

sudo update-alternatives --config x-cursor-theme

Also set your theme in /usr/share/icons/default/index.theme

Thursday, May 7, 2015

Xfce menu launcher 'Whiskermenu' shortcut

To have that with a shortkey the command is:


xfce4-popup-whiskermenu

Skype in Antergos Arch

Skype is in multilib repo (i386). Enable it first by editing pacman.conf. In Terminal:
sudo gedit /etc/pacman.conf
Edit file by uncommenting below lines

[multilib]
Include = /etc/pacman.d/mirrorlist
 
Then, to update sources and install Skype:
sudo pacman -S skype

Thursday, April 30, 2015

Repair USB sticks

The next command wipes the entire disk, not only the partition table. (tested)

 sudo dd if=/dev/zero of=/dev/sdb bs=1M

  ( to see what path is your stick use the command `df`)




To only wipe the partition table and Master Boot Record do

sudo dd if=/dev/zero of=/dev/sdb bs=512 count=1




to see the progress of this, open a separate terminal window and
watch -n5 'sudo kill -USR1 `pgrep ^dd`'
 
 
You will need to use gparted to create a new partition table and format.