摘要：升级软件包一个 pacman 命令就可以升级整个系统。花费的时间取决于系统有多老。这个命令会同步非本地(local)软件仓库并升级系统的软件包：# pacman -Syu提示：确保make以及gcc软件包已安装，否则后面安装google coder会失败。安装nodejs# pacman -S nodejs安装Google Coder转到/home目录下，从github上获得最新版的google coder.# git clone git://github.com/googlecreativelab/coder# cd coder/coder-base# npm install安装basic 阅读全文

摘要：The official Windows OpenVPN client does not seem to work properly with the tls-auth option if a key direction is used. The client will read your ovpn file, embed all the keys, and save it under \etc\profile. It seems to ignore the key direction for tls-auth. The fix is to go to the profile director 阅读全文

摘要：Using iptablesUse an iptable for NAT forwarding:# iptables -t nat -A POSTROUTING -s 10.8.0.0/24 -o enp1s0 -j MASQUERADE# iptables-save > /etc/iptables/iptables.rulesperform above two command line.https://wiki.archlinux.org/index.php/OpenVPNhttp://openvpn.net/index.php/open-source/documentation/ho 阅读全文

摘要：http://users.ju.edu/cdole/ 阅读全文

摘要：This idea's based on the following (x)html:disabled buttonAnd uses the following CSS to achieve something close to your aim: button {position: relative;} button:hover:after {position: absolute; top:0; left:0; content: attr(title); background-color:#ffa; ... 阅读全文

摘要：SELECT YourColumn, COUNT(*) TotalCount FROM YourTable GROUP BY YourColumn HAVING COUNT(*) > 1 ORDER BY COUNT(*) DESChttp://blog.sqlauthority.com/2007/07/11/sql-server-count-duplicate-records-rows/ 阅读全文

摘要：http://raspberrypihelp.net/tutorials/1-openvpn-server-tutorialhttp://www.jacobsalmela.com/setting-up-an-openvpn-server-on-the-raspberry-pi/http://lifehacker.com/5978098/turn-a-raspberry-pi-into-a-personal-vpn-for-secure-browsing-anywhere-you-gohttp://crushbeercrushcode.org/2013/04/raspberry-pi-openv 阅读全文

摘要：http://www.codeproject.com/Reference/676481/A-Gallery-of-Useful-Programming-Bookshttp://blog.miniasp.com/post/2013/11/04/Learning-Git-Part-2-Master-Git-in-30-days.aspx 阅读全文