Darkmatter in Cyberspace

摘要： "计算的本质" by Tom Stuart, 2014 "Hands on Machine Learning with Scikit Learn, Keras, and TensorFlow" 2nd edition, by Aurélien Géron, 2019 "深度学习的数学" by 涌井良 阅读全文

摘要： Generate ssh keys on source host with ssh-keygen;Disable known_hosts prompt(optional): add "StrictHostKeyChecking no" into ~/.ssh/config;Run fabric script to distribute pubkey, you have to input passw... 阅读全文

摘要： The user provide the method to get result(command on remote host), the check standard(a callback function), and information about target host(ip and username), and a timeout of execution time optional... 阅读全文

摘要： subprocess.callThis is the recommended way to run shell commands in Python compared with old-fashioned os module.This is a realtime method, which means you can get the shell output on the fly, compared with following "subprocess.check_output" method, which collect all output in its return 阅读全文

摘要： When you install Fabric with apt-get install fabric, you get a fabric with version 1.3.x, which is too old. So we need install it manually: apt-get install -y python-devapt-get install -y python-pippip install fabricThat's it. If you want to speed up the installation process, download Fabric-1.8 阅读全文

摘要： The host 10.21.3.69 has no H3C client, so it can't access the internet. With Tinyproxy, we can setuup a proxy server on 10.21.3.31 to enable 69 access the internet.Server SetupInstallation: apt-get in... 阅读全文

摘要： 一般情况下用:set ff=unix就可以解决问题，如果无效，用下面的方法手工完成：:%s/[ctrl+v] [ctrl+m]//gctrl+v表示按住Ctrl键再按下v键。 阅读全文

摘要： Follow the instructions at 2.6. Generic installation, upgrade and downgrade method: via tarball of Phusion Passenger users guide, Apache versionBuild web server on a precise64 Ubuntu virtual machine w... 阅读全文

摘要： :%s/\s+$ 阅读全文

摘要： sudo update-alternatives --config java will produce: Selection Path Priority Status0 /usr/lib/jvm/java-7-openjdk-i386/jre/bin/java 1071 auto mode*1 /usr/lib/jvm/java-6-openjdk-i386/jre/... 阅读全文