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 Google 8.8.8.8 8.8.4.4 Cisco 208.67.222.222 208.67.220.220 Cloud flare 1.1.1.1 1.0.0.1

 Usage: tracert [-d] [-h maximum_hops] [-j host-list] [-w timeout]                [-R] [-S srcaddr] [-4] [-6] target_name Options:     -d                 Do not resolve addresses to hostnames.     -h maximum_hops    Maximum number of hops to search for target.     -j host-list       Loose source route along host-list (IPv4-only).     -w timeout         Wait timeout milliseconds for each reply.     -R                 Trace round-trip path (IPv6-only).     -S srcaddr         Source address to use (IPv6-only).     -4                 Force using IPv4.     -6                 Force using IPv6.

 Ubuntu Backup 1. Déjà Dup 2. Grsync $ apt-get install rsync $ sudo apt install grsync 3. UrBackup     Client Server backup Reference: The 5 Best Graphical Backup Tools for Ubuntu and Linux Mint

      Reference: https://www.google.com/search?channel=fs&client=ubuntu&q=+%E3%82%B5%E3%83%B3%E3%83%90+%E3%82%A2%E3%82%AF%E3%83%86%E3%82%A3%E3%83%96%E3%83%87%E3%82%A3%E3%83%AC%E3%82%AF%E3%83%88%E3%83%AA+%E5%B0%8E%E5%85%A5 SambaをActive Directoryドメインコントローラとして設定する OSAKANA TAROのメモ帳 amba4.12でActive Directory構築の手順(まとめ) Ubuntu 18.04 に Samba 4.7 を導入 sambaでActive Directoryドメインコントローラー                        

 1. Create USB boot image     a. Download iso image     b. Run Start up disk creator from application menu     c. Boot and Install Ubuntu Server 2. GUI install $ sudo apt-get update $ sudo apt-get upgrade $ sudo apt-get install tasksel $ sudo tasksel 3. Set Static IP address     a. Install network-manager         $ sudo apt-get install network-manager     b. Edit configuration file              $ sudo nautilus          edit " 00-installer-config.yaml "                 network:                  version: 2                    renderer:  NetworkManager                 Note: Just above text only no ; or rem...

ubuntu mount command /etc/fstab -編集可能 /etc/mtab -編集不可 Reference: https://eng-entrance.com/linux-mount https://www.it-mure.jp.net/ja/linux/fstab%E3%81%A8mtab%E3%82%92%E7%B7%A8%E9%9B%86%E3%81%97%E3%81%9F%E5%BE%8C%E3%80%81%E3%82%B5%E3%83%BC%E3%83%90%E3%83%BC%E3%82%92%E5%86%8D%E8%B5%B7%E5%8B%95%E3%81%99%E3%82%8B%E5%BF%85%E8%A6%81%E3%81%8C%E3%81%82%E3%82%8A%E3%81%BE%E3%81%99%E3%81%8B%EF%BC%9F/960205303/

   Nautilusで「バックアップ」でバックアップしたバックアップデータから、  特定のファイルを復元する方法。 Reference: https://kledgeb.blogspot.com/2012/07/ubuntu-nautilus-29.html

When Reset Failed try below, Open the Dell OS Recovery Tool at the bottom before searching for anything select switch to advanced recovery. Select from available OS images and enter the service tag. This will get you to where you can download the manual windows install which will allow you to reinstall the OS.    Reference: https://www.dell.com/community/Latitude/SupportAssist-OS-Recovery-Reset-Failed/td-p/7399183/page/2