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  • Ubuntu 13.10 review: The Linux OS of the future remains a year away

    After the customary six months of incubation, Ubuntu 13.10—codenamed Saucy Salamander—has hatched. The new version of the popular Linux distribution brings updated applications and several new features, including augmented search capabilities in the Unity desktop shell. Although Saucy Salamande ...

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    作者:2hei | 分类:OpenSource | 阅读:2,973 views
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  • Upgrade your PCs, servers, and phones: Ubuntu 13.10 lands tomorrow

    Ubuntu is ready to be installed on phones. Andrew Cunningham The newest version of Ubuntu is a big one, but not for the usual reasons. With Ubuntu 13.10 (aka Saucy Salamander) coming out tomorrow, the desktop and server editions will get some upgrades as always. But the biggest change is ...

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    作者:2hei | 分类:OpenSource | 阅读:719 views
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  • Arduino creator explains why open source matters in hardware, too

    The Arduino Tre. Arduino Most of the technology world is familiar with open source software and the reasons why, in some eyes, it’s more appealing than proprietary software. When software’s source code is available for anyone to inspect, it can be examined for security flaws, ...

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    作者:2hei | 分类:OpenSource | 阅读:793 views
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  • Node.js-based Ghost blogging platform opens to the public

    Last month we covered the soft launch of Ghost, a Node.js-based minimalist blogging platform. The application blew through a Kickstarter goal and has been under heavy development; last month, Kickstarter backers were granted early access to the application to get started with it (my own ...

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    作者:2hei | 分类:OpenSource | 阅读:766 views
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  • Ask Stack: Are fewer lines of code better?

    This Q&A is part of a biweekly series of posts highlighting common questions encountered by technophiles and answered by users at Stack Exchange, a free, community-powered network of 80+ Q&A sites. Mike Bryant asks:Which of these programming styles is better? <code>var result = m ...

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    作者:2hei | 分类:OpenSource | 阅读:862 views
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  • Web Served, the finale: Congrats, you have a Web server! What’s next?

    Aurich Lawson / Thinkstock Welcome, dear readers, to the final piece in our long-running “Web Served” series. Starting last November, Ars has been helping to shed light on the fun world of DIY Web hosting—we started with setting up Nginx on Ubuntu, and we’ve progressed t ...

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    作者:2hei | 分类:OpenSource | 阅读:721 views
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  • Google offers “leet” cash prizes for updates to Linux and other OS software

    Google is offering rewards as high as $3,133.70 for software updates that improve the security of OpenSSL, OpenSSH, BIND, and several other open-source packages that are critical to the stability of the Internet. The program announced Wednesday expands on Google’s current bug-bounty progr ...

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    作者:2hei | 分类:OpenSource | 阅读:648 views
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  • “Most powerful” Arduino ever has ARM Cortex-A8 chip, runs “full Linux”

    The Arduino Tre. Arduino The Arduino line of open source electronic prototyping platforms is getting some major upgrades. Earlier today, the first Intel-powered Arduino was announced, and it will be available by the end of November. Arduino has also announced the Arduino Tre, based on the ...

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    作者:2hei | 分类:OpenSource | 阅读:1,159 views
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  • BUG of kickstart config file of Ubuntu

    利用RHEL的kickstart安装ubuntu,通过已有的一台ubuntu的kickstart工具生成了cfg文件,结果中看不中用,clearpart不起作用,无法完全的无人值守安装,因为无法自动删除raid和lvm,所以安装的时候只好把设定好的raid及分区部分注释掉,然后通过文本安装页面进行配置。另外openssh-server也木有安装好,只能通过console手 ...

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    作者:2hei | 分类:OpenSource | 阅读:1,292 views | 标签:,
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  • 从源码编译rpm,安装升级 openssl及openssh 最新版本

    当前版本:$ ssh -VOpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008目标版本:openssh-5.8p2.tar.gzopenssl-0.9.8r.tar.gz compile and upgrade openssl-0.9.8rwget http://www.openssl.org/source/openssl-0.9.8r.tar.gztar zxvf openssl-0.9.8r.tar.gzmkdir -p /usr/src/redhat/SPECS/mkdir -p /usr/src/redha ...

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    作者:2hei | 分类:OpenSource | 阅读:1,678 views | 标签:,
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  • cassandra cluster install and configuration

    1) Install http://labs.renren.com/apache-mirror/cassandra/0.7.6-2/apache-cassandra-0.7.6-2-bin.tar.gz(apache官网推荐人人的mirror,不过link有问题 ^_^)   * tar -zxvf apache-cassandra-$VERSION.tar.gz  * cd apache-cassandra-$VERSION  * sudo mkdir -p /var/log/cassandra  * sudo cho ...

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    作者:2hei | 分类:OpenSource | 阅读:1,175 views
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  • linux 入侵监测工具 chkrootkit

    wget ftp://ftp.pangeia.com.br/pub/seg/pac/chkrootkit.tar.gz compile:make sensegcc -DHAVE_LASTLOG_H -o chklastlog chklastlog.cgcc -DHAVE_LASTLOG_H -o chkwtmp chkwtmp.cchkwtmp.c: In function ?.ain?.chkwtmp.c:95: warning: incompatible implicit declaration of built-in function ?.xit?gcc -DHAVE_LASTL ...

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    作者:2hei | 分类:OpenSource | 阅读:1,134 views | 标签:
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  • openvpn vnc java firefox on centos5

    1. yum install openvpnwget http://download.fedora.redhat.com/pub/epel/5/i386/epel-release-5-4.noarch.rpmyum install epel-release-5-4.noarch.rpmyum intall openvpn vnp configs: 2hei.net.ovpn add:–script-security 2up “/etc/openvpn/update-resolv-conf up”down “/etc/openvpn/upd ...

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    作者:2hei | 分类:linux, OpenSource | 阅读:1,278 views | 标签:, , ,
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  • sftp get “Connection closed”

    Some users experience “Connection closed” messages when attempting to use sftp, scp, svn+ssh or other ssh tunneled services if their profile contains errors. use ssh+key can log to the server, but scp and sftp just return a “Connection closed” $sftp -v 2hei.net Connecti ...

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    作者:2hei | 分类:OpenSource | 阅读:2,253 views
  • eventfd() failed when start nginx

    yum install nginxservice nginx start error.log:2011/01/07 05:39:49 [emerg] 7180#0: eventfd() failed (38: Function not implemented)2011/01/07 05:39:49 [alert] 7179#0: worker process 7180 exited with fatal code 2 and can not be respawn2011/01/07 05:43:01 [emerg] 7296#0: eventfd() failed (38: Funct ...

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    作者:2hei | 分类:nginx, OpenSource | 阅读:1,364 views | 标签:
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  • nginx dynamic url rewrite — II

    nginx rewirte II, nginx if has no AND OR and nest,so we only can use regx to do it: ———————————- BEGIN—————————————– location /music/search.html ...

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    作者:2hei | 分类:nginx, OpenSource | 阅读:1,099 views | 标签:
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  • ibevent-1.1a.so.1 depend memcached CentOS5.5

    update to centos5.5, memcached has issue: resent failed: Execution of ‘/usr/bin/yum -d 0 -e 0 -y install memcached’ returned 1: memcached-1.2.6-1.el5.rf.x86_64 from EPEL-base has depsolving problems   –> Missing Dependency: libevent-1.1a.so.1()(64bit) is needed by ...

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    作者:2hei | 分类:OpenSource | 阅读:952 views | 标签:
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  • solved: Fatal error: Allowed memory size of 33554432 bytes exhausted

    wordpress2.8wp-settings.phpchange define(‘WP_MEMORY_LIMIT’, ’32M’);to:define(‘WP_MEMORY_LIMIT’, ’64M’); wordpress3.0 wp-config.php/** Database Charset to use in creating database tables. */define(‘DB_CHARSET’, ‘utf8’); /** T ...

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    作者:2hei | 分类:OpenSource | 阅读:925 views | 标签:
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  • use openvpn client in ubuntu

    #install openvpn and resovconf$sudo apt-get install openvpn $sudo apt-get install resovconf $sudo cat client.conf.mytestclient;dev tapdev tun;dev-node MyTapproto tcp;proto udpremote your-vpn-domain 1001remote your-vpn-domain 1002remote-randomresolv-retry infinitenobind;user nobody;group nogroupp ...

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    作者:2hei | 分类:OpenSource | 阅读:1,019 views
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