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摘要： wget -O - -o /dev/null http://google.com 来源：https://serverfault.com/questions/25779/how-do-i-pipe-a-downloaded-file-to-standard-output-in-bash 实际应用： 下 阅读全文

摘要： Snapshot appears to have been created more than one day into the future! Raspberry PI 4b上安装freebsd13.2 aarch系统后，使用ssh链接，输入portsnap fetch extract命令，提示： 阅读全文

摘要： From man wget: -x, --force-directories: [...] create a hierarchy of directories, even if one would not have been created otherwise. E.g. wget -x http: 阅读全文

摘要： https://pages.lip6.fr/Pierre.Sens/srcv6/index.html A Commentary on the UNIX Operating System http://www.lemis.com/grog/Documentation/Lions/book.pdf 阅读全文

摘要： Centos: Community ENTerprise Operating System 可以替换： AlmaLinux，Rocky Linux, Oracle Linux, Debian/Ubuntu Rocky Linux下载DVD https://mirrors.ustc.edu.cn/ro 阅读全文

摘要： Since you are using a shell add the alias to the profile.My understanding is the profile can be found at eitherSystem: /etc/profileUser: ~/.profile 来源 阅读全文

摘要： ip route list ip r | grep default sudo ip route add default via 10.10.1.1 sudo ip route add default via 10.10.1.1 dev enp0s3 sudo ip route delete defa 阅读全文

摘要： sudo vim /etc/hosts 在"127.0.0.1 localhost"后面： 添加ubuntu， 127.0.0.1 localhost ubuntu 即可。 来源：https://askubuntu.com/questions/59458/error-message-sudo-una 阅读全文

摘要： img下载地址： https://mirrors.ustc.edu.cn/ubuntu-cdimage/releases/ 阅读全文

摘要： You can try Pazera Free Audio Extractor or AoA Audio Extractor Basic. Both are free. Or DVD Audio Extractor if you want more features.If you reconvert 阅读全文