Get CQLSH working on Linux
Problem : CQLSH never works after a usual install. Fix: Install as below (on terminal)- Make sure to use pip, not pip3; python 2.7 not python 3.x. pip in...
Category: Notes
Fix : /boot disk has no space ( on Ubuntu)
Problem : /boot disk has no space, thus blocking installation or removal of any package using apt-get Fix : In terminal – cd /boot ls sudo rm -r abi-4.4.0...
Fix : oss_audio: failed to open audio device /dev/dsp
Problem: Ubuntu gives the error oss_audio: failed to open audio device /dev/dsp when trying to test festvox voice models. Fix: On terminal- [bash] sudo apt-get...
“Sndfile not found” error while installing scikits audiolabs
Problem: The following error occurs when installing scikits audiolabs SndfileInfo: libraries sndfile not found in /usr/local/lib libraries sndfile not found in ...
Fix : Touchpad not working in Ubuntu
Could fix the touch-pad of my Ubuntu system which went off due to an unknown reason with these commands – On terminal run – sudo rmmod i2c_hid sudo...
Gnome : Bring back the maximize and minimize buttons
On terminal run : gnome-tweak-tool In the dialog that pops up – Select Windows tab from the left panel. In the right panel under Tilebar buttons section &...
Ubuntu: Load a disk on startup – the GUI way
On terminal run sudo gnome-disks In the dialog box that opens, choose the disk to mount from the left panel. In the right panel click on the gears icon I...
Spring boot + Websockets : Connection getting closed by itself.
Problem : Getting the message “Websocket already in CLOSED or CLOSING state” from browser console after sending the first message. Reason: The packe...
UTF-8 breaks on Ubuntu (minimal install) server applications
Problem : UTF-8 content is displayed and treated as garbage (eg: DL4J vector search misses all the time) Reason: User’s default encoding not set to UTF-8....
Fixed : “Json Array should begin with [” error on UTF-8 or UTF-16 files
Problem : JSON file which store top level JSON arrays just wouldn’t parse (using org.json library), and gives out an error message like – “Jso...