| # 新建一个无密码，无法登陆，没home的系统用户，就叫shadowsocks | |
| adduser --system --disabled-password --disabled-login --no-create-home shadowsocks | |
| # 修改 /etc/default/shadowsocks-libev | |
| USER=shadowsocks | |
| GROUP=nogroup | |
| # 使用setcap，允许非root用户无法监听低位端口 | |
| apt-get install libcap2-bin | |
| setcap 'cap_net_bind_service=+ep' /usr/bin/ss-server |
Every so often I have to restore my gpg keys and I'm never sure how best to do it. So, I've spent some time playing around with the various ways to export/import (backup/restore) keys.
cp ~/.gnupg/pubring.gpg /path/to/backups/
cp ~/.gnupg/secring.gpg /path/to/backups/
cp ~/.gnupg/trustdb.gpg /path/to/backups/
An exploration of the different render methods available in react-enzyme.
| import scala.concurrent.duration._ | |
| import scala.concurrent.ExecutionContext | |
| import scala.concurrent.Future | |
| import akka.pattern.after | |
| import akka.actor.Scheduler | |
| /** | |
| * Given an operation that produces a T, returns a Future containing the result of T, unless an exception is thrown, | |
| * in which case the operation will be retried after _delay_ time, if there are more possible retries, which is configured through | |
| * the _retries_ parameter. If the operation does not succeed and there is no retries left, the resulting Future will contain the last failure. |
| #!/bin/bash | |
| # Unload the keyboard so I can use my external keyboard | |
| # and not worry about accidentally pressing buttons on | |
| # the built-in. This may not be a problem for you but, you | |
| # should see my desk sometimes (Oh no!!) ;-) | |
| sudo kextunload /System/Library/Extensions/AppleUSBTopCase.kext/Contents/PlugIns/AppleUSBTCKeyboard.kext/ | |
| # enableIt |
| function git-revert-batch { | |
| echo "$@" | xargs -n1 git revert --no-commit | |
| } | |
| alias grb='git-revert-batch' | |
| # use like: | |
| # grb ee5c95a 981da8b | |
| # list commits in reverse order, and it's ready to make one neat+tidy revert-commit |