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Unzip if there’s a zip file and look for \u003ccode class=\"cx pb pc pd pe b\"\u003ekalpurush.ttf\u003c/code\u003e file.\u003c/p\u003e\n\n### $\\textcolor{#389cff}{or\\ install\\ with\\ commands}$\n    /*download fonts */\n    sudo apt install fonts-noto-core\n    sudo apt install fonts-noto-ui-core\n    \n    /* remove free-sans and free-serif */\n    sudo rm -f /usr/share/fonts/truetype/freefont/FreeSans*\n    sudo rm -f /usr/share/fonts/truetype/freefont/FreeSerif*\n\n    /* Now, clear the fonts cache to load the new fonts in the system: */\n    fc-cache -f -v\n    /* now restart device */\n\n    /* update node version */\n    curl -fsSL https://deb.nodesource.com/setup_20.x | sudo -E bash -\n    sudo apt install nodejs\n        /* if fails then update CURL */\n        sudo apt update\n        sudo apt install --reinstall ca-certificates\n        date\n        sudo timedatectl set-ntp true\n        curl -k -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.39.0/install.sh | bash\n        sudo apt install curl\n    \n    /* Install Browsers */\n    curl -fsS https://dl.brave.com/install.sh | sh\n\n### $\\textcolor{#389cff}{install\\ bangla\\ keyboard}$\n```\nsudo apt install ibus-avro\nsudo apt update\nim-config -n ibus\nsudo reboot\n```\n    \n### $\\textcolor{#389cff}{screen\\ zoom\\ commands}$\n```xrandr --listmonitors // show list\nxrandr --output eDP-1 --scale 0.8x0.8 // for zoom\nxrandr --auto\nxrandr --output eDP-1 --scale 1x1 // for default\n```\n\n### $\\textcolor{#389cff}{Install\\ snap\\ for\\ install\\ Windows\\ app}$\n```\nsudo apt update\nsudo apt install snapd\nSkype: sudo snap install skype\n```\n\n### $\\textcolor{#389cff}{Take\\ screenshot\\ commands}$\n```\nmate-screenshot --interactive\nmate-screenshot --area\n```\n    \n### $\\textcolor{#389cff}{Stream\\ errror:\\ You\\ are\\ missing\\ the\\ following\\ 32-bit\\ libraries,\\ and\\ Steam\\ may\\ not\\ run:\\ libGL.so.1}$\n```xrandr --listmonitors // show list\nsu --login\ndpkg --add-architecture i386\napt install libgl1-nvidia-glvnd-glx:i386\n\n// then Enable Stream Play for all other titles - for install PUBG\n```\n\n### $\\textcolor{#389cff}{linux\\ others\\ apps\\ URL}$\ngithub: https://github.com/shiftkey/desktop/releases/\n\nsourceGit: https://github.com/sourcegit-scm/sourcegit/releases/tag/v2025.05\n\n#### $\\textcolor{#389cff}{Recorder}$\nsudo apt install simplescreenrecorder\n\n#### $\\textcolor{#389cff}{Multi Copy}$\nsudo apt-get install copyq\n\n    \n### $\\textcolor{#389cff}{Backup\\ softwares\\ and\\ commands}$\n#### Option A: backup with software \n```sudo apt update\nsudo apt install timeshift\n```\n#### option B: Manual Backup\n## Clear caches\n```# Clear user cache\nrm -rf ~/.cache/*\n\n# Clear system cache\nsudo rm -rf /var/cache/*\n\n# Clear APT cache\nsudo apt clean\n\n# Clear trash\nrm -rf ~/.local/share/Trash/*\n\n# Clear system logs\nsudo journalctl --vacuum-time=1d\n\n# Clear temporary files\nsudo rm -rf /tmp/*\nrm -rf ~/.tmp/*\n```\nBackup Installed Packages:\nGenerate a list of installed packages:\n```sudo dpkg --get-selections \u003e package-list.txt```\nSave the package-list.txt file to an external drive or cloud storage.\nBackup Configuration Files:\nBackup your /etc directory (contains system-wide configurations):\n\n```sudo tar -czvf etc-backup.tar.gz /etc\n// Backup your home directory (contains user-specific configurations and files):\ntar -czvf home-backup.tar.gz /home/your-username\n```\n\nBackup Important Data:\nCopy any important files or directories to an external drive or cloud storage.\nReinstall Parrot OS (if necessary).\nRestore Installed Packages:\nCopy the package-list.txt file to your new system.\n\nReinstall the packages:\n```sudo dpkg --set-selections \u003c package-list.txt\nsudo apt-get dselect-upgrade\n\n// Restore Configuration Files:\n// Extract the etc-backup.tar.gz and home-backup.tar.gz files to their respective locations:\n\nsudo tar -xzvf etc-backup.tar.gz -C /\ntar -xzvf home-backup.tar.gz -C /\n```\n\nIf you want to be selective, you can back up only the relevant configuration folders:\n```\n## backup\ntar -czvf config-backup.tar.gz /home/your-username/.config /home/your-username/.local /home/your-username/.gnome /home/your-username/.xfce\n## restore\ntar -xzvf config-backup.tar.gz -C /home/your-username\n```\nRestore Important Data:\n\nCopy your important files back to their original locations.\n\n### $\\textcolor{#389cff}{install\\ anti\\ virus}$\n```\n## install command\nsudo apt install clamav\n\n## scan device\nsudo clamscan -r /home\n\n## scan in background\nsudo clamscan -r /home \u003e scan_results.txt 2\u003e\u00261 \u0026\n\n## for update anti virus\nsudo freshclam\n\n## for a directory only\nsudo clamscan -r ~/Downloads\n\n### check file before install\nls -l suspicious_file_name\nor\nclamscan suspicious_file_name\n```\n\n## check running apps in background or not\n```\nps aux | grep application_name\n```\n\n###  $\\textcolor{#389cff}{add\\ video\\ converter}$\n```\n### add\nsudo snap install formatlab\n\n### if not working then\nsudo snap remove formatlab --purge;sudo snap remove pyqt5-runtime-core20 --purge;sudo snap install pyqt5-runtime-core20;sudo snap install formatlab;formatlab\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftechmainul-dev%2Flinuxos","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Ftechmainul-dev%2Flinuxos","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Ftechmainul-dev%2Flinuxos/lists"}