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- Error message : ImportError: libf77blas.so.3: cannot open shared object file: No such file or directory - Solutions : $ sudo apt install libatlas-base-dev gangserver@raspberrypi:~/devel/pydev $ python BreamAndSmelt.py Traceback (most recent call last): File "/home/gangserver/devel/pydev/BreamAndSmelt.py", line 35, in from sklearn.neighbors import KNeighborsClassifier File "/usr/local/lib/pytho..

1. fonts-unfonts-core 설치 $ sudo apt install fonts-unfonts-core user@raspberrypi:~ $ sudo apt install fonts-unfonts-core Reading package lists... Done Building dependency tree... Done Reading state information... Done The following NEW packages will be installed: fonts-unfonts-core 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. Need to get 14.9 MB of archives. After this operation..

Raspberry Pi firefox install $ sudo apt install firefox-esr (English) user@raspberrypi:~ $ sudo apt install -y firefox-esr Reading package lists... Done Building dependency tree... Done Reading state information... Done Suggested packages: fonts-stix | otf-stix fonts-lmodern The following NEW packages will be installed: firefox-esr 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. N..

Double commander gtk version install $ sudo apt install doublecmd-gtk Double commander qt version install $ sudo apt install doublecmd-qt (Korean) user@raspberrypi:~ $ sudo apt install doublecmd-gtk 패키지 목록을 읽는 중입니다... 완료 의존성 트리를 만드는 중입니다... 완료 상태 정보를 읽는 중입니다... 완료 The following additional packages will be installed: doublecmd-common doublecmd-plugins 제안하는 패키지: doublecmd-help-en | doublecmd-help ..

Raspberry Pi OpenJDK 11 install $ sudo apt install -y openjdk-11-jdk (English) user@raspberrypi:~ $ sudo apt install -y openjdk-11-jdk Reading package lists... Done Building dependency tree... Done Reading state information... Done The following additional packages will be installed: ca-certificates-java fonts-dejavu-extra java-common libatk-wrapper-java libatk-wrapper-java-jni libice-dev libpth..