http://download.chinaunix.net/
https://www.centos.org
https://www.kernel.org/
http://pkgs.repoforge.org/
http://docs.ansible.com
http://nginx.org/
resin
http://caucho.com/products/resin/doc
http://tengine.taobao.org/
http://mirrors.163.com/
https://www.nginx.com
http://www.gnu.org/
https://www.kernel.org/
http://www.tldp.org/LDP/abs/html/index.html
https://linux.cn/
https://www.linux.org/
https://www.linux.org/docs/
https://www.linux.com/
http://linux-wiki.cn
http://www.server-world.info/en/
http://docs.linuxtone.org/ebooks/
https://www.openstack.org/
http://www.openstack.cn/
http://www.docker.org.cn/
https://www.docker.com/
http://docs.saltstack.cn/
https://docs.saltstack.com/en/latest/
https://www.kickstarter.com/
http://cobbler.github.io
https://moosefs.com/support/#documentation
https://docs.gluster.org/en/latest/
https://git-scm.com/documentation
tcp/ip
http://www.tcpipguide.com/
http://www.tcpipguide.com/free/
http://www.netfilter.org/documentation/
http://www.firewalld.org/
http://dl.fedoraproject.org/pub/epel/6Server/
http://tengine.taobao.org/book/index.html
yum源
http://mirrors.aliyun.com/
http://ftp.sjtu.edu.cn/fedora/epel/
https://mirrors.tuna.tsinghua.edu.cn/
http://mirrors.sohu.com/
http://mirrors.163.com/
http://ftp.jaist.ac.jp/pub/
http://www.ylws.net/
https://github.com/loveshell
http://mirrors.skyshe.cn/
http://apache.fayea.com/
http://apache.org/
centos 各种版本下载
http://vault.centos.org/
mysql各种版本下载
http://downloads.mysql.com/archives/
redis下载
http://download.redis.io/releases/
php下载
http://php.net/releases/
php yum源
http://mirror.webtatic.com/
http://mirror.webtatic.com/yum/el5/latest.rpm ##CentOs 5.x
http://mirror.webtatic.com/yum/el6/latest.rpm ##CentOs 6.x
https://mirror.webtatic.com/yum/el7/epel-release.rpm ##CentOs 7.X
https://mirror.webtatic.com/yum/el7/webtatic-release.rpm
apache 旧版本汇聚地
http://archive.apache.org/dist/httpd/
MySQL 旧版本汇聚地
https://downloads.mysql.com/archives/community/
PHP 旧版本汇聚地
http://php.net/releases/
ruby中国
http://ruby-china.org/
http://www.filewatcher.com/
man手册
http://man.linuxde.net/
http://linux.51yip.com/
www.die.net
https://www.gnu.org/software/coreutils/manual/coreutils.html
http://man7.org/
https://www.kernel.org/doc/
https://busybox.net/~landley/c99-draft.html
rpm包下载地址
http://rpmfind.net/linux/
http://rpms.famillecollet.com/enterprise/
http://rpm.pbone.net/
程序员手册大全
http://manual.51yip.com/
http://www.pythondoc.com/
各路大神博客:
http://oldboy.blog.51cto.com/2561410
http://oldboy.blog.51cto.com/2561410/1862041
http://oldboy8.blog.51cto.com
http://blog.oldboyedu.com/
http://3060674.blog.51cto.com/
https://www.unixhot.com/
http://superleedo.blog.51cto.com/
http://lidao.blog.51cto.com/3388056/1914205
http://blog.itpub.net/7607759/
http://www.yanshiba.com/
http://blog.liuts.com/
http://blog.chinaunix.net/uid/29075379.html
http://nolinux.blog.51cto.com/
http://bbs.osapub.com
http://ylw6006.blog.51cto.com/
http://legend2011.blog.51cto.com/
http://yuhongchun.blog.51cto.com/
http://linuxzkq.blog.51cto.com/
http://yueliangdao0608.blog.51cto.com/
http://www.cnblogs.com/goodcook/
http://www.xuliangwei.com/
http://www.aclstack.com/
https://www.abcdocker.com/
http://liangweilinux.blog.51cto.com/
http://life2death.blog.51cto.com/
http://www.zyops.com/
http://www.jixuege.com/
http://lspgyy.blog.51cto.com/
http://www.90root.com/
http://sgk2011.blog.51cto.com/
其他
http://c.biancheng.net/
http://c.runoob.com/
http://www.runoob.com/
https://www.python.org/
https://tool.lu/
http://linux.linuxidc.com/
国内镜像源
http://mirrors.163.com
http://mirrors.neusoft.edu.cn
http://mirror.bit.edu.cn
http://mirrors.zju.edu.cn
http://mirrors.tuna.tsinghua.edu.cn
http://mirrors.aliyun.com
http://centos.ustc.edu.cn
http://ftp.sjtu.edu.cn
http://mirrors.sohu.com
http://mirror.lzu.edu.cn
http://mirrors.cqu.edu.cn
http://mirrors.cn99.com
http://mirrors.huaweicloud.com
http://mirrors.shu.edu.cn
http://mirrors.nju.edu.cn
https://mubu.com/
https://processon.com/
各种语言文档
https://www.ibm.com/developerworks/cn/java/j-introtojava1/index.html
http://www.w3school.com.cn/
http://www.cplusplus.com
https://msdn.microsoft.com/zh-cn/library/cehk8f8b.aspx
https://github.com/jobbole/awesome-c-cn
https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html
windows相关
http://www.itellyou.cn/
https://www.itsk.com/
http://www.160.com/
http://www.drivergenius.com/