摘要： sudo systemctl stop iptablessudo sytemctl stop firewalld 阅读全文

摘要： sudo ifconfig eth1 xxx.xxx.xxx.xxx 阅读全文

摘要： virtualenv -p /usr/bin/python3 py3envsource py3env/bin/activatepip install package-name 阅读全文

摘要： SSH login without passwordYour aimYou want to use Linux and OpenSSH to automize your tasks. Therefore you need an automatic login from host A / user a to Host B / user b. You don't want to enter any passwords, because you want to call ssh from a within a shell script.How to do itFirst log in on 阅读全文

摘要： 就是virtualbox下先用u盘启动的虚拟机，把U盘的vhdk文件拷贝到本机，然后再启动，就有问题，提示什么uuid already exist找了半天，网上基本都是说windows下如何用的。。。终于在某篇博客的最后一条评论里找到了ubuntu的命令。。。vboxmanage internalcommands sethduuid pathto.vdi这个pathto.vdi就是你的新镜像的路径，搞定 阅读全文

摘要： curl -s "http://checkip.dyndns.org/"|cut -f 6 -d" "|cut -f 1 -d"<"可能要先下载curl 阅读全文

摘要： 今天遇到了一个奇怪的问题，django中formview一直返回200，但是却没有执行form_valid方法，然后在其中加了一个form_invalid方法：class StudentRegisterMixin(generic.FormView): def get_form_class(self): def get_success_url(self): def form_valid(self, form): def form_invalid(self, form): print "form is not valid, errors are: " print form.er 阅读全文

摘要： I believe this occurs when you are trying to checkout a remote branch that your local git repo is not aware of yet. Try:git remote show originIf the remote branch you want to checkout is under "New remote branches" and not "Tracked remote branches" then you need to fetch them fir 阅读全文

摘要： sudo dd if=ubuntu.iso of=/dev/sdb2sudo syslinux /dev/sdb1 阅读全文

摘要： 可以使用信号亮signal，使用方法如下： from django.contrib.auth.signals import user_logged_in from django.dispatch import receiver @receiver(user_logged_in) def record_login_info(sender, request, user, **kwargs): pass这样record_login_info函数就会在用户登录成功之后被调用 阅读全文