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1. Install 2. Uninstall OpenJDK 25 Install $ sudo apt install openjdk-25-jdk [ Execution log ]gangserver@TCM73-U0424:~$ sudo apt install openjdk-25-jdkInstalling: openjdk-25-jdkInstalling dependencies: libice-dev libxdmcp-dev uuid-dev libsm-dev libxt-dev x11proto-dev libx11-dev openjdk-25-jdk-headless xorg-sgml-doctools libxau-dev o..

1. Install 2. Uninstall OpenJDK 21 Install $ sudo apt install openjdk-21-jdk [ Execution log ]gangserver@TCM73-U0424:~$ sudo apt install openjdk-21-jdkInstalling: openjdk-21-jdkInstalling dependencies: libice-dev libxau-dev libxt-dev x11proto-dev libsm-dev libxcb1-dev openjdk-21-jdk-headless xorg-sgml-doctools libx11-dev libxdmcp-dev uuid-dev ..

1. Install 2. Uninstall Install$ sudo dpkg -i balena-etcher_2.1.4_amd64.debor$ sudo apt install ./balena-etcher_2.1.4_amd64.deb [ Execution log ]gangserver@RC530-U0407:~$ sudo dpkg -i ./balena-etcher_2.1.4_amd64.deb[sudo] gangserver 암호: Selecting previously unselected package balena-etcher.(데이터베이스 읽는중 ...현재 261659개의 파일과 디렉터리가 설치되어 있습니다.)Preparing to unpack .../balena-etcher_2.1.4_amd64.deb ...U..

1. Install 2. Uninstall Install* Rustup: the Rust installer and version management tool$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh [ Execution log ]gangserver@15ARH05-U1108:~$ curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | shinfo: downloading installerwarn: It looks like you have an existing rustup settings file at:warn: /home/gangserver/.rustup/settings.tomlwa..

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- Windows 11 CSV(.csv), JSON(.json), XML(.xml), Excel(.xlsx, .xls), OpenDocument Spreadsheet Calc(.ods), TSV(.tsv) simple file viewer* Version : 0.1.7* Release date : 2026-04-17 [Y-M-D]- Patch date : * This is the latest version. If an error occurs, please refer to the link below for the older version.(v 0.1.6) http://dasom.net/422 or https://gangserver.tistory.com/422(v 0.1.5) http://dasom.ne..

- Ubuntu 24.04 CSV(.csv), JSON(.json), XML(.xml), Excel(.xlsx, .xls), OpenDocument Spreadsheet Calc(.ods), TSV(.tsv) simple file viewer* Version : 0.1.7* Release date : 2026-04-17 [Y-M-D]- Patch date : * This is the latest version. If an error occurs, please refer to the link below for the older version.(v 0.1.6) http://dasom.net/421 or https://gangserver.tistory.com/421(v 0.1.5) http://dasom...

- Ubuntu 24.04 CSV(.csv), JSON(.json), XML(.xml), Excel(.xlsx, .xls), OpenDocument Spreadsheet Calc(.ods) simple file viewer* Version : 0.1.6* Release date : 2026-04-04 [Y-M-D]- Patch date : 2026-04-08 [Y-M-D] * This is an older version. Please refer to the link below for the latest version.(v 0.1.7) http://dasom.net/423 or https://gangserver.tistory.com/423 This is a csv, json, xml, excel and..

[ Code ]import pandas as pddf = pd.read_excel("test.xlsx") [ Error message ]Pandas read_excel error : ValueError: Your version of xlrd is 2.0.1. In xlrd >= 2.0, only the xls format is supported. Install openpyxl instead. [ Reason ]Since xlrd 2.0 and above only supports the xls format and not the xlsx format, install the openpyxl module to process the xlsx format with read_excel in Pandas. [ Solu..

- Windows 11 CSV(.csv), JSON(.json), XML(.xml), Excel(.xlsx, .xls), OpenDocument Spreadsheet Calc(.ods) simple file viewer* Version : 0.1.6* Release date : 2026-04-04 [Y-M-D]- Patch date : 2026-04-08 [Y-M-D] * This is an older version. Please refer to the link below for the latest version.(v 0.1.7) http://dasom.net/424 or https://gangserver.tistory.com/424 This is a csv, json, xml, excel and ..