iptables - CentOS下如何限制指定用户只能在指定IP登录？

如题。用 hosts 针对的是所有用户。 貌似可以用配置 /etc/ssh/sshd_config 方式去限制。 貌似也可以配置 iptables 去限制。 但不知哪种方法更好？该如何配置。能否详细讲解？谢谢！

From [Linuxdiscussion group] 2017-04-24 15:59:43 0  1  766

有没有系统的学习Linux c编程的书

求推荐系统的学习Linux c语言的书籍。

From [Linuxdiscussion group] 2017-04-17 13:52:34 0  5  766

为什么Linux使用正则grep [a-z] /etc/passwd -n会把带t的行给显示出来？

echo $LANGen_US.UTF-8uname -r4.7.7-200.fc24.x86_64grep [a-z] /etc/passwd -n

From [Linuxdiscussion group] 2016-11-07 10:54:23 0  1  766

How does Nginx write log files?

While doing Nginx log file cutting, I discovered a strange problem. When I manually move the Nginx log file to...

From [Linuxdiscussion group] 2017-05-16 17:30:10 0  3  765

What is the connection between nginx reverse proxy and load balancing?

What is the connection between nginx reverse proxy and load balancing?

From [Linuxdiscussion group] 2017-05-16 17:21:36 0  4  765

mac nginx configuration

ginx: [emerg] bind() to 0.0.0.0:8080 failed (48: Address already in use) What does this mean?

From [Linuxdiscussion group] 2017-05-16 17:20:22 0  3  765

linux - centos7双网卡如何配置内外网同时访问？

公司新购入一个服务器，双网卡的，现安装了centos7,我们打算让两个网卡各插一条，一条接内网，一条接外网（公司有专线固定外网IP），但试了很久都不成功，目前只能用一条线，请问高手该如何配置？

From [Linuxdiscussion group] 2017-04-17 15:52:39 0  1  765

linux - 如何知道一段时间内服务器和哪些IP进行过连接？

面试碰到的问题，如何知道你的服务器在一段时间内和哪些IP进行过连接，连接是包括tcp、udp之类的通信? linxu应该不会记录传输层的连接日志信息吧?

From [Linuxdiscussion group] 2017-04-17 11:27:12 0  4  765

How does nginx map subdomain names?

I currently run several web services on a host. Currently, they are distinguished by ports. I want to provide ...

From [Linuxdiscussion group] 2017-05-16 17:22:11 0  1  764

nodejs-express - Use nginx to configure port 80 of a certain domain name. If the root path cannot obtain the static file, it will be forwarded to port 9999 provided by nodejs. How to achieve this?

The code I'm writing now is as follows, but it doesn't work. Do I need to write rewrite rules, use regular exp...

From [Linuxdiscussion group] 2017-05-16 17:20:54 0  3  764

web - nginx prohibits automatic conversion of directory to index.html

I have a strange use. I use aria2 to make a download machine, and use nginx to index the download directory. A...

From [Linuxdiscussion group] 2017-05-16 17:07:54 0  1  764

linux - The newly installed centos7 server fails to connect remotely using ssh locally?

The external IP of the ping server is accessible, but the telnet IP 22 port is blocked. There is also port 22 ...

From [Linuxdiscussion group] 2017-05-16 13:18:38 0  3  764

centos - node-sass,唉，如图。

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From [Linuxdiscussion group] 2017-04-26 09:01:08 0  2  764

nginx - index.html 不会在访问目录时自动载入

CentOS 安装了 nginx，访问网站目录比如 http://x.com/abc 时，不会自动载入 http://x.com/abc/index.html，而是直接 forbidden 了。 但如果访问 http:/...

From [Linuxdiscussion group] 2017-04-25 09:01:10 0  1  764

Is fastcgi_pass in nginx set to monitor unix socket more efficient than monitoring tcp socket?

I saw that fastcgi_pass in other people's nginx configuration is unix:/tmp/php-cgi.sock, but my configuration ...

From [Linuxdiscussion group] 2017-05-16 17:26:00 0  2  763