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How does push notification technology work on Android?
...into my mind is that the device keep server updated with its current path (IP). When google server needs to send notification, it takes its current path and forward message to that path. Am I right to some extent?
– Khawar Raza
Jul 16 '12 at 17:02
...
Use Expect in a Bash script to provide a password to an SSH command
I'm trying to use Expect in a Bash script to provide the SSH password. Providing the password works, but I don't end up in the SSH session as I should. It goes back strait to Bash.
...
Apache and Node.js on the Same Server
...with the ProxyPass directive in the Apache httpd.conf its not too hard to pipe all requests on a particular URL to your Node.JS application.
ProxyPass /node http://localhost:8000
Also, make sure the following lines are NOT commented out so you get the right proxy and submodule to reroute http req...
ExpressJS How to structure an application?
...so I've gone ahead and created a scaffolding github repository with JavaScript code and a long README about how I like to structure a medium-sized express.js application.
focusaurus/express_code_structure is the repo with the latest code for this. Pull requests welcome.
Here's a snapshot of the RE...
How to determine SSL cert expiration date from a PEM encoded certificate?
...
Here's my bash command line to list multiple certificates in order of their expiration, most recently expiring first.
for pem in /etc/ssl/certs/*.pem; do
printf '%s: %s\n' \
"$(date --date="$(openssl x509 -enddate -noout -in "$pem"|cut -d= -f 2)" --iso-8...
Detecting a mobile browser
...b\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiin...
GitHub Windows client behind proxy
...oxy and firewall. Following various other posts and experimenting with multiple combinations of environment variables and config variables I have found the only way to get cloning and push updates to work is by using the HTTPS_PROXY environment variable, including my full corporate domain user ID an...
How can I remove specific rules from iptables?
...ial HTTP and HTTPS services on the ports 8006 and 8007 respectively. I use iptables to "activate" the server; i.e. to route the incoming HTTP and HTTPS ports:
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Logstash实践: 分布式系统的日志监控 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...终的效果：
单个屏幕上所有服务器的日志实时滚动着显示。每条日志开头还标明日志的来源（下图）。
实现这种效果的原理是后台跑着一个程序，这个程序负责汇总所有日志到一个本地文件中。只要执行tail -f这个文件就可...
“No X11 DISPLAY variable” - what does it mean?
...le X11 forwarding
Also sudo to server and export the below variable here IP is your local machine's IP
export DISPLAY=10.75.75.75:0.0
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