google搜索

https://www.osjapan.net

https://ipv6.google-api.ac.cn

CPU

https://software.intel.com/zh-cn/articles/book-Processor-Architecture_CPU_work_process

https://software.intel.com/zh-cn/documentation

内核(kernel)官方文档

https://www.kernel.org/

https://www.kernel.org/doc/html/latest/

https://www.kernel.org/doc/Documentation/sysctl/kernel.txt

www.elrepo.org/elrepo-release-7.0-2.el7.elrepo.noarch.rpm

redhat/centos/fedora官方文档

redhat

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/7/

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/

https://developers.redhat.com/products/rhel/download/

https://developers.redhat.com/rhel8/getrhel8/

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/8/html-single/8.0_release_notes/index#networking

centos

https://www.centos.org

http://vault.centos.org/

https://docs.centos.org/en-US/docs/

fedora

https://getfedora.org/

https://docs.fedoraproject.org/en-US/docs/

https://fedoraproject.org/wiki/EPEL

https://dl.fedoraproject.org/pub/

https://admin.fedoraproject.org/mirrormanager/

安装

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/installation_guide/

网络

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/networking_guide/index

http://bbs.hh010.com/

https://linoxide.com/linux-command/use-ip-command-linux

安全

firewalld

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/security_guide/

iptables

https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/6/html-single/security_guide/index#sect-Security_Guide-Firewalls

性能相关

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/performance_tuning_guide/

虚拟化

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html/virtualization_getting_started_guide/

lvm（逻辑卷管理）

https://access.redhat.com/documentation/zh-cn/red_hat_enterprise_linux/7/html-single/logical_volume_manager_administration/

Ubuntu

https://help.ubuntu.com/lts/serverguide/index.html

http://releases.ubuntu.com/

https://mirrors.aliyun.com/ubuntu-releases/

openldap

http://www.openldap.org/doc/

alpine

https://www.alpinelinux.org/

虚拟化

https://www.vmware.com

http://www.linux-kvm.org/page/Documents#

https://www.virtualbox.org/wiki/Downloads

teamviewer

https://www.teamviewer.com/cn/download/linux/

kickstart/cobbler

https://www.kickstarter.com/

http://cobbler.github.io

extundelete 数据恢复

http://extundelete.sourceforge.net/

Linux

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

各种服务

http://www.server-world.info/en/

http://docs.linuxtone.org/ebooks/

openstack

https://www.openstack.org/

https://docs.openstack.org/ocata/zh_CN/install-guide-rdo/

https://download.cirros-cloud.net

https://docs.openstack.org/image-guide/

http://cloud.centos.org/centos/7/images/

http://mirrors.ustc.edu.cn/centos-cloud/centos/7/images/

docker

http://www.docker.org.cn/

https://www.docker.com/

镜像加速器

https://cr.console.aliyun.com

sudo mkdir -p /etc/docker

sudo tee /etc/docker/daemon.json <<-'EOF'

{

"registry-mirrors": ["https://gqk8w9va.mirror.aliyuncs.com"]

}

EOF

sudo systemctl daemon-reload

kubernetes

http://docs.kubernetes.org.cn/

https://kubernetes.io/docs/home/?path=users&persona=app-developer&level=foundational

http://gcrx.io/

https://mirror.kaiyuanshe.cn/kubernetes/

https://packages.cloud.google.com/

https://kairen.github.io/2018/07/09/kubernetes/deploy/manual-v1.11/

https://storage.googleapis.com/kubernetes-release/release/v1.11.0/bin/linux/amd64

https://github.com/minminmsn/k8s1.13

https://github.com/minminmsn/k8s1.13/blob/master/kubernetes/kubernetes1.13.1%2Betcd3.3.10%2Bflanneld0.10%E9%9B%86%E7%BE%A4%E9%83%A8%E7%BD%B2.md?tdsourcetag=s_pcqq_aiomsg

国内镜像仓库

https://kubernetes.feisky.xyz/fu-lu/mirrors

https://kubernetes.io/docs/setup/release/

git clone https://github.com/kubernetes/kubernetes.git

cd kubernetes

make release

docker pull mirrorgooglecontainers/kube-apiserver-amd64:v1.12.2

docker pull mirrorgooglecontainers/kube-controller-amd64:v1.12.2

docker pull mirrorgooglecontainers/kube-controller-manager-amd64:v1.12.2

docker pull mirrorgooglecontainers/kube-scheduler-amd64:v1.12.2

docker pull mirrorgooglecontainers/kube-proxy-amd64:v1.12.2

docker pull mirrorgooglecontainers/pause:3.1

docker pull mirrorgooglecontainers/etcd-amd64:3.2.24

docker pull mirrorgooglecontainers/coredns:1.2.2

docker pull mirrorgooglecontainers/coredns-amd64:1.2.2

docker pull coredns/coredns:1.2.2

构建、拉取镜像和打gcr.io标签

拉取新构建的镜像

docker pull registry.cn-shenzhen.aliyuncs.com/cookcodeblog/kube-apiserver-amd64:v1.10.3

打上gcr.io同名标签

docker tag registry.cn-shenzhen.aliyuncs.com/cookcodeblog/kube-apiserver-amd64:v1.10.3 k8s.gcr.io/kube-apiserver-amd64:v1.10.3

删除新构建的镜像，只保留gcr.io镜像

docker rmi registry.cn-shenzhen.aliyuncs.com/cookcodeblog/kube-apiserver-amd64:v1.10.3

一个拉取kubeadm镜像的脚本

https://github.com/cookcodeblog/k8s-deploy/blob/master/kubeadm/04_pull_kubernetes_images_from_aliyun.sh

!/bin/bash

set -e

Check version in https://kubernetes.io/docs/reference/setup-tools/kubeadm/kubeadm-init/

Search "Running kubeadm without an internet connection"

For running kubeadm without an internet connection you have to pre-pull the required master images for the version of choice:

KUBE_VERSION=v1.10.3

KUBE_PAUSE_VERSION=3.1

ETCD_VERSION=3.1.12

DNS_VERSION=1.14.8

GCR_URL=k8s.gcr.io

ALIYUN_URL=registry.cn-shenzhen.aliyuncs.com/cookcodeblog

images=(kube-proxy-amd64:${KUBE_VERSION}

kube-scheduler-amd64:${KUBE_VERSION}

kube-controller-manager-amd64:${KUBE_VERSION}

kube-apiserver-amd64:${KUBE_VERSION}

pause-amd64:${KUBE_PAUSE_VERSION}

etcd-amd64:${ETCD_VERSION}

k8s-dns-sidecar-amd64:${DNS_VERSION}

k8s-dns-kube-dns-amd64:${DNS_VERSION}

k8s-dns-dnsmasq-nanny-amd64:${DNS_VERSION})

for imageName in ${images[@]} ; do

docker pull imageName

docker tag imageName imageName

docker rmi imageName

done

docker images

查看gcr.io官方镜像

https://console.cloud.google.com/gcr/images/google-containers/GLOBAL

然后再选择正确的镜像。

通常，gcr.io官方镜像的命名规则为：

gcr.io/google_containers/IMAGE_NAME:IMAGE_TAG

比如：

gcr.io/google_containers/kube-apiserver-amd64:v1.10.3

k8s.gcr.io

gcrxio

k3s

https://github.com/rancher/k3s

rancher

https://rancher.com/docs/rancher/latest/zh/

https://www.cnrancher.com/

日志

https://www.elastic.co/guide/index.html

https://www.elastic.co/guide/cn/index.html

elasticsearch

https://www.elastic.co/guide/cn/elasticsearch/guide/current/index.html

filebeat

https://www.elastic.co/guide/en/beats/filebeat/current/index.html

logstash

https://www.elastic.co/guide/en/logstash/current/index.html

kibana

https://www.elastic.co/guide/cn/kibana/current/index.html

存储

nfs

http://nfs.sourceforge.net/

mfs

https://moosefs.com/support/#documentation

https://github.com/moosefs/moosefs

glusterfs

https://docs.gluster.org/en/latest/

fastdfs

https://github.com/happyfish100/fastdfs/wiki

wfs

https://github.com/donnie4w/wfs

可道云

https://kodcloud.com/download/

lvs

http://www.linuxvirtualserver.org/zh/

http://zh.linuxvirtualserver.org/

git

https://git-scm.com/documentation

https://git-scm.com/doc

https://git-scm.com/book/zh/v2

gitlab

https://docs.gitlab.com/

https://docs.gitlab.com.cn/

http://about.gitlab.com/

jenkins

http://www.jenkins.org.cn/jenkins%E6%8F%92%E4%BB%B6%E5%A4%A7%E5%85%A8

https://jenkins.io/doc/

https://jenkins.io/zh/doc/

https://github.com/malongshuai/

码云

https://gitee.com/

https://gitee.com/progit/

监控

zabbix

https://www.zabbix.com/cn/

https://www.zabbix.com/documentation/4.0/zh/manual

https://book.open-falcon.org/zh/

监控插件

https://www.percona.com/doc/percona-monitoring-plugins/LATEST/index.html

https://www.percona.com/downloads/percona-monitoring-plugins/

Prometheus

https://prometheus.io/docs/introduction/overview/

https://www.bookstack.cn/read/prometheus-manual/README.md

https://love2.io/@1046102779/doc/prometheus/introductions/overview.md

tcp/ip

http://www.tcpipguide.com/free/

http协议

https://www.w3.org/Protocols/

dns

https://ftp.isc.org/isc/bind9/cur/9.11/doc/arm/Bv9ARM.html

tcpdump

http://www.tcpdump.org/manpages/tcpdump.1.html

ssh

https://www.ssh.com/ssh/

https://www.openssh.com/manual.html

rsync

http://rsync.samba.org/

crontab

http://crontab.org/

iptables/firewalld

http://www.netfilter.org/documentation/

http://www.firewalld.org/

http://dl.fedoraproject.org/pub/epel/6Server/

systemd官网

https://www.freedesktop.org/software/systemd/man/systemd.service.html

vpn

pptp

https://wiki.mikrotik.com/wiki/Manual:Interface/PPTP

http://poptop.sourceforge.net/dox/

http://pptpclient.sourceforge.net/

openvpn

https://openvpn.net/community-resources/#documentation

https://community.openvpn.net/openvpn/wiki/Openvpn24ManPage

跳板机

teleport

https://docs.tp4a.com/

jumpserver

http://docs.jumpserver.org/zh/docs/

其它

http://mirrors.skyshe.cn/

http://apache.fayea.com/

数据库

mysql

http://downloads.mysql.com/archives/

https://db-engines.com/en/ranking

http://repo.mysql.com/yum

https://www.percona.com/

proxysql

https://github.com/sysown/proxysql/wiki

mha

https://github.com/yoshinorim/mha4mysql-manager

https://github.com/ovaistariq/mha-helper

redis

http://download.redis.io/releases/

http://www.redis.cn/

http://doc.redisfans.com/

http://redisdoc.com/

mongodb

https://www.mongodb.com/download-center/community

https://docs.mongodb.com/

http://www.mongodb.org.cn/manual/

https://www.runoob.com/mongodb/mongodb-tutorial.html

https://mongodb-documentation.readthedocs.io/en/latest/

http://www.mongoing.com/docs/

Oracle中文

https://www.oracle.com/technetwork/cn/indexes/documentation/index.html

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

https://mirrors.tuna.tsinghua.edu.cn/remi/enterprise/

https://mirrors.tuna.tsinghua.edu.cn/remi/enterprise/remi-release-7.rpm

remi repository

Remi repository是包含最新版本PHP和MySQL包的Linux源，由Remi提供维护

http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

http://rpms.remirepo.net/enterprise/remi-release-7.rpm

https://dl.fedoraproject.org/pub/epel/epel-release-latest-7.noarch.rpm

http://rpms.remirepo.net/enterprise/remi-release-7.rpm

npm

https://docs.npmjs.com/

https://www.npmjs.cn/

http://npm.taobao.org/

ansible/saltstack

http://docs.ansible.com

http://www.ansible.com.cn/

http://docs.saltstack.cn/

https://docs.saltstack.com/en/latest/

apache/nginx/tengine

http://archive.apache.org/dist/httpd/

http://nginx.org/

http://tengine.taobao.org/

dubbo

http://dubbo.apache.org/zh-cn/docs/user/quick-start.html

spring boot

https://docs.spring.io/spring-boot/docs/current/reference/html/

ruby中国

http://ruby-china.org/

man手册

http://man.linuxde.net/

http://linux.51yip.com/

https://man.openbsd.org/

http://man7.org/

www.die.net

http://tldp.org/

Linux中文man手册安装

wget https://src.fedoraproject.org/repo/pkgs/man-pages-zh-CN/manpages-zh-1.5.1.tar.gz/13275fd039de8788b15151c896150bc4/manpages-zh-1.5.1.tar.gz

./configure --disable-zhtw --prefix=/usr/local/zhman

make

make install

alias cman='man -M /usr/local/zhman/share/man/zh_CN'

gnu

https://www.gnu.org/software/gawk/manual/gawk.html

https://www.gnu.org/software/sed/manual/sed.html

https://www.gnu.org/software/grep/manual/grep.html

https://www.gnu.org/software/bash/manual/bash.html

https://www.gnu.org/manual/

https://www.gnu.org/software/coreutils/manual/coreutils.html

http://man7.org/

https://busybox.net/~landley/c99-draft.html

awk

http://www.dba86.com/docs/other/awk.html

sed

http://www.dba86.com/docs/other/sed.html

grep

http://www.dba86.com/docs/other/grep.html

http://www.dba86.com/

rpm包

http://rpmfind.net/linux/

http://rpms.famillecollet.com/enterprise/

http://rpm.pbone.net/

http://rpms.remirepo.net/enterprise/

http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

wget --mirror --convert-links --adjust-extension --page-requisites --retry-connrefused --exclude-directories=comments -U "Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:47.0) Gecko/20100101 Firefox/47.0" --execute robots=off http://xxxx.com

yum

http://yum.baseurl.org/wiki/

dnf

https://dnf.readthedocs.io/en/latest/

站长工具

http://tool.chinaz.com/

https://tool.lu/

http://linux.linuxidc.com/

国内yum源

清华大学

http://mirrors.tuna.tsinghua.edu.cn

开源镜像站

http://mirrors.neusoft.edu.cn

开源社

http://mirror.azure.cn/

阿里云

http://mirrors.aliyun.com

中国科技大学

http://mirrors.ustc.edu.cn/

网易

http://mirrors.163.com

http://mirrors.cn99.com

华为云

http://mirrors.huaweicloud.com

北京理工大学

http://mirror.bit.edu.cn

浙江大学

http://mirrors.zju.edu.cn

上海交通大学

http://ftp.sjtu.edu.cn

上海大学

http://mirrors.shu.edu.cn

Sohu

http://mirrors.sohu.com

兰州大学

http://mirror.lzu.edu.cn

重庆大学

http://mirrors.cqu.edu.cn

南京大学

http://mirrors.nju.edu.cn

https://sourceforge.net/p/forge/documentation/Yum%20Repo%20in%20File%20Release%20System/

http://ftp.jaist.ac.jp/pub/

国内公共DNS服务器地址

1.2.4.8

210.2.4.8

101.226.4.6（电信及移动）

123.125.81.6（联通）

OneDNS

112.124.47.27

OpenerDNS

42.120.21.30

BaiduDNS

180.76.76.76

360

101.226.4.5

aliDNS

223.5.5.5

223.6.6.6

114DNS

114.114.114.114

114.114.115.115

Dns派：电信/移动/铁通

101.226.4.6

218.30.118.6

南方电信

180.153.225.136

Dns派：联通

123.125.81.6

140.207.198.6

202.106.0.20

202.106.196.115

各种语言文档

编程语言排行

https://www.tiobe.com/tiobe-index/

http://shouce.jb51.net/

java

https://www.ibm.com/developerworks/cn/java/j-introtojava1/index.html

http://docs.oracle.com/javase/tutorial/java/nutsandbolts/_keywords.html

https://www.oracle.com/technetwork/cn/java/javase/documentation/index.html

maven

https://repo1.maven.org/maven2/

http://maven.outofmemory.cn/hot/

https://maven.java.net/

jar

https://www.findjar.com/index.x

c/c++

https://github.com/jobbole/awesome-c-cn

https://www.gnu.org/software/gnu-c-manual/gnu-c-manual.html

http://www.cplusplus.com

https://msdn.microsoft.com/zh-cn/library/cehk8f8b.aspx

https://visualstudio.microsoft.com/zh-hans/

python

https://www.python.org/downloads/

https://docs.python.org/zh-cn/3/reference/index.html

https://docs.python.org/zh-cn/3/tutorial/index.html

http://www.pythondoc.com/

https://uwsgi-docs.readthedocs.io/en/latest/

https://uwsgi-docs-zh.readthedocs.io/zh_CN/latest/

https://www.cnblogs.com/linhaifeng/p/7278389.html

https://www.cnblogs.com/yuanchenqi/articles/5782764.html

https://www.cnblogs.com/Eva-J/articles/7074818.html

go

https://go-zh.org/doc/

http://docs.studygolang.com/doc/

http://docscn.studygolang.com/doc/

json

http://www.json.org/json-zh.html

yaml

http://yaml.org/

web语言

http://www.w3school.com.cn/

html

https://html.com/

https://www.w3.org/html/

https://www.w3.org/TR/html5/

http://www.w3school.com.cn/tags/tag_html.asp

http://www.w3school.com.cn/

xml

http://www.w3school.com.cn/xml/index.asp

php

http://php.net/releases/

http://php.net/manual/zh/configure.about.php

程序员手册大全

http://manual.51yip.com/

其他

http://c.biancheng.net/

http://c.runoob.com/

http://www.runoob.com/

bootstrap

https://getbootstrap.com/docs/4.1/getting-started/introduction/

web服务器

https://w3techs.com/technologies/overview/web_server/all

nginx

http://nginx.org/

https://docs.nginx.com/nginx/

https://docs.nginx.com/nginx/admin-guide/

httpd

http://httpd.apache.org/docs/

tomcat

http://tomcat.apache.org/

nodejs

https://nodejs.org/en/docs/

http://npmjs.org

在线文档

在线office

https://shimo.im

http://docq.cn

在线思维导图

https://mubu.com/

http://naotu.baidu.com

https://www.mindmeister.com/zh

http://mm.edrawsoft.cn/

在线作图工具

https://processon.com/

在线markdown

https://www.zybuluo.com

https://github.com/

文件转换(pdf)

https://pdfcandy.com/tw/

http://www.docpe.com/

在线教程

中国大学慕课--国内IT技能学习平台

地址：

https://www.imooc.com/

学堂在线--国家精品课程在线学习平台

地址：http://www.xuetangx.com/

阿里云教程

https://www.aliyun.com/jiaocheng/

实验楼--做实验，学编程

地址：

https://www.shiyanlou.com/

菜鸟教程--提供各语言的入门教程

地址：

http://www.runoob.com/

coursera--一流大学在线课程

https://zh.coursera.org/

优达学城--传授硅谷的官方课程

地址：

https://cn.udacity.com/

edx--大规模开放在线课堂平台

地址：

https://www.edx.org/

codecademy--在线编程学习

地址：

https://www.codecademy.com/zh/

IBM developerWorks--IT教程，工具，社区

https://www.ibm.com/developerworks/cn/

在线练习

1.国内平台

牛客网-专业IT笔试面试备考平台

地址：

https://www.nowcoder.com/

赛码·IT面试笔试平台

地址：

http://www.acmcoder.com/index

2.国外平台

leetCode：

http://leetcode.com/

lintcode：

https://www.lintcode.com/

topcoder：

https://www.topcoder.com/

HackerRank：

https://www.hackerrank.com/

在线工具箱

程序员的工具箱

地址：

https://tool.lu/

开源中国的在线工具箱

地址：

http://tool.oschina.net/

在线编译器

Compiler Explorer--在线汇编查看

https://gcc.godbolt.org/

wandbox--支持多语言，多编译器版本的在线编译器

https://wandbox.org/

各种计算工具

http://tool.520101.com/

技术论坛或社区

stackoverflow--全球最大IT技术问答网站

地址：

http://www.stackoverflow.com/

github--代码托管平台和开发者社区

地址：

https://github.com/

Quora--国外在线问答网站，不限于IT

https://www.quora.com/

segmentfault--国内IT技术问答网站

地址：

https://segmentfault.com/

博客园--开发者的网上家园

地址：

https://www.cnblogs.com/

开源中国--开源技术社区

地址：

https://www.oschina.net/

EV录屏

https://www.ieway.cn/evcapture.html

统计工具

http://alexa.chinaz.com/default.html

pwiki官网

https://matomo.org/

http://echarts.baidu.com/

https://e.msxiaobing.com/

windows相关

http://www.itellyou.cn/

http://www.msdn.hk/

http://www.imsdn.cn/

https://www.itsk.com/

http://www.160.com/

http://www.drivergenius.com/

查看本地公网IP

curl ifconfig.me

curl cip.cc

curl icanhazip.com

curl ident.me

curl ipecho.net/plain

curl whatismyip.akamai.com

curl myip.dnsomatic.com

curl ip.appspot.com

time

https://time.is/

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/

https://www.unixhot.com/

https://tech.meituan.com/mysql_index.html

WebSphere inurl "www.aliyun.com"

mac软件下载

https://www.waitsun.com/

声音

https://asoftmurmur.com

http://www.rainymood.com/

https://www.noisli.com/

http://www.pingguodj.com/topic/show-1504-1.html

资源搜索

http://m.panduoduo.net/

http://www.panduoduo.net/

硬件

http://detail.zol.com.cn/server/dell/

https://www.dell.com/zh-cn/work/shop/%E6%9C%8D%E5%8A%A1%E5%99%A8-%E5%AD%98%E5%82%A8%E5%99%A8%E5%8F%8A%E7%BD%91%E7%BB%9C%E4%BA%A4%E6%8D%A2%E6%9C%BA/sf/poweredge-rack-servers

电子书

https://www.jiumodiary.com/

https://bookset.me/

http://www.pdfbook.cn/

http://www.pdfzj.com/

https://manybooks.net/

https://www.zqbook.top/

https://www.ixdzs.com/

https://www.kgbook.com/

https://www.owllook.net/

http://mebook.cc/

http://www.xilinjie.com/

https://bookfere.com/

http://www.aibooks.club/

http://www.pansoso.com/

http://dianzishu.renrensousuo.com

http://ebook.name/

http://search.chongbuluo.com/#

https://convertio.co/

语录

成也升级,败也升级

不更新是等死,更新是找死

# 

数量级

Y  24 (10的24次幂)

Z  21 

E  18 

P  15 

T  12 

G   9

M   6

k    3

h    2

da  1

1   0

d    -1

c   -2

m  -3

u   -6

n    -9

p   -12 

f   -15

a    -18 

z    -21

y   -24