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linux - 阿里云centos系統(tǒng)，配置了iptables防火墻，封IP無(wú)效，還是能訪問(wèn)

*filter:INPUT ACCEPT [3:130]:FORWARD ACCEPT [0:0]:OUTPUT ACCEPT [72:12040]-A INPUT -p tcp -m tcp --dport 22 -j...

From [Linuxdiscussion group] 2017-04-17 15:23:49 0  4  945

linux - 什么是環(huán)境變量？有什么作用？

環(huán)境變量問(wèn)題 這是我的舉例，到底什么是環(huán)境變量，有什么作用，在mac／linux系統(tǒng)上有什么區(qū)別？我查過(guò)一些資料，可是還是不太懂。在我學(xué)習(xí)node的過(guò)程中，經(jīng)常有人跟我提到這個(gè)東西，可是我并不清楚它到底是什么。

From [Linuxdiscussion group] 2017-04-17 13:55:12 0  2  945

debian - Linux莫名其妙重啟XFCE

我的是xfce桌面的linux，前幾天裝好的系統(tǒng)，老是莫名其妙的重啟xfce，這里上下日志，求各位幫幫忙。 {代碼...}

From [Linuxdiscussion group] 2017-04-17 13:31:35 0  0  945

linux - mysql stored procedure error reporting when calling

Please help me find out why the error is reported. This is my first time writing this type of stored procedure...

From [Linuxdiscussion group] 2017-05-31 10:37:32 0  2  944

Can Nginx upstream cross computer rooms?

As the title states, can the configuration of Nginx Upstream be set to the external network IP across computer...

From [Linuxdiscussion group] 2017-05-16 17:27:09 0  2  944

How to quickly locate 502 problems with Nginx

On the homepage of my website, 502 will occasionally appear. There is no complicated logic. It does not necess...

From [Linuxdiscussion group] 2017-05-16 17:29:19 0  1  943

python - How to use the free ssl certificate issued by Alibaba Cloud Shield to implement https in flask?

I am learning the WeChat applet. The data interface needs to use https. Now I have applied for a free SSL cert...

From [Linuxdiscussion group] 2017-05-16 13:22:23 0  1  943

linuxmint - ubuntu下無(wú)法識(shí)別打印機(jī)，求教！

我自己的筆記本（基于Ubuntu 16.04的budgie-remix的發(fā)行版）和朋友的NUC主機(jī)（Linux Mint 17.3），各連接了一臺(tái) HP LaserJet 1020 Plus ，安裝了 HPLIP 和 p...

From [Linuxdiscussion group] 2017-04-24 09:09:01 0  0  943

403-forbidden - Nginx changing web root causes 403 Forbidden

1. Background server environment: CentOS7/Nginx1.10.0 2. Problem After changing the default Web root directory...

From [Linuxdiscussion group] 2017-05-16 17:16:34 0  1  942

nginx - How to understand the asynchronous non-blocking high-performance web server advertised by openresty?

I understand asynchronous and synchronous, whether it is blocking or not, but I just don’t understand how open...

From [Linuxdiscussion group] 2017-05-16 17:10:59 0  1  942

ubuntu 安裝 pillow 報(bào)錯(cuò)

ValueError: jpeg is required unless explicitly disabled using --disable-jpeg, aborting

From [Linuxdiscussion group] 2017-04-24 09:09:08 0  1  942

View console information in linux?

When I execute a command, the console prints a lot of information. Due to the limited height of the screen, al...

From [Linuxdiscussion group] 2017-05-16 13:21:07 0  6  941

linux - 本地yum源鏡像中怎么添加缺少源?

服務(wù)器A連接的外網(wǎng)，并且掛載了鏡像的yum源。局域網(wǎng)內(nèi)其它服務(wù)器都通過(guò)服務(wù)器A的yum源安裝（其它服務(wù)器沒(méi)有外網(wǎng)） 現(xiàn)在發(fā)現(xiàn)服務(wù)器A中缺少源C，服務(wù)器A自己可以通過(guò)外網(wǎng)安裝源C。但是服務(wù)器A怎么把源C分享給局域網(wǎng)...

From [Linuxdiscussion group] 2017-04-17 16:10:57 0  1  941

linux - Registration issues about domain names and servers

A friend recently bought a server and shared it with me, and then I bought a domain name on Alibaba Cloud (I c...

From [Linuxdiscussion group] 2017-05-19 10:48:01 0  3  940

ssl certificate - mod_rewrite fails after apache installs mod_ssl

I used the mod_rewrite module for redirection before. Now after installing the mod_ssl module, mod_rewirte red...

From [Linuxdiscussion group] 2017-05-16 16:58:44 0  1  940