Ubuntu 18.04 – bluetooth mouse random disconnection

I’m experienced with constant and random mouse disconnect, when connected the mouse and keyboard work perfectly fine, I tried all the solutions described in these article: Bluetooth mouse constantly disconnects and reconnects but nothing seems to work. dpkg –status bluez | grep ‘^Version:’ Version: 5.50-0ubuntu0ppa1 uname -a Linux XYZ 4.15.0-1066-oem #76-Ubuntu bluetoothctl devices Device 00:XX:XX:XX:XX:XX…

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Error while upgrading through sudo apt-get upgrade command

Setting up oracle-java11-installer-local (11.0.5-1~linuxuprising0) … Before installing this package, please download the Oracle JDK 11 .tar.gz file with the same version as this package (version 11.0.4), and place it in /var/cache/oracle-jdk11-installer-local, E.g.: sudo mkdir -p /var/cache/oracle-jdk11-installer-local sudo cp jdk-11.0.4_linux-x64_bin.tar.gz /var/cache/oracle-jdk11-installer-local/ sha256sum mismatch jdk-11.0.5_linux-x64_bin.tar.gz Oracle JDK 11 is NOT installed. dpkg: error processing package oracle-java11-installer-local (–configure):…

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Spring integration FTP Server replied with: 426 Transfer failed

I am currently working on spring integration with FTP support. I made a transfer from local directory to a remote FTP server, But I am getting Server replied with: 426 Transfer failed error. Caused by: org.springframework.messaging.MessagingException: Failed to write to ‘/4001/in/temp/V31406_200000_120001.writing’ while uploading the file; nested exception is java.io.IOException: Failed to write to ‘/4001/in/temp/V31406_200000_120001.writing’. Server…

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18.04 – custom keyboard shortcut to adjust volume does not work (instead mutes)

I have a problem after upgrading my Ubuntu 16.04 LTS to 18.04 LTS (18.04.3) with my custom keyboard shortcut for volume control. I want those shortcuts because my keyboard has no specific media keys. my setup: system settings -> Devices -> Keyboard -> Custom Shortcuts add shortcuts with this configuration: Volume up: amixer -D pulse…

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