Linux

UB、RH、LD、FB……

Build OpenConnect VPN server AnyConnect (ocserv)

This article had written the,But never had a chance to do the experiment too--estimation,Anyway, writing,I will come,Everyone if necessary in conjunction with a look at ... ...?note,Please refer to theLatest notes

To build on the server ocserv,Should first install dependency

Download ocserv

access ft[……]

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Why UNIX systems, such as the hidden directory to point at the beginning?

we all know,exist Windows Hidden folders are invisible,They some system files,While others arevirus。If you have to display words,After warning system,You can be in the form of semi-transparent folder to see this folder,Systems in order to identify a folder is hidden,It has a "-s"Properties,Protected by the system。

So a lot of people are new to Linux、OSX,Will be very[……]

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Open nat masquerading and port forwarding on ufw

Possible until now,You have been very skilled how to open nat and port forwarding on Linux - after all, this operation may also require a server at the time of deployment。But its operation is too cumbersome,Especially when we use edit iptables ufw after that,But you can not directly edit the iptables,This time in the end what to do it?

want使用 ufw[……]

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Ali cloud Ubuntu update image source

Update:for some reason,Ali cloud is no longer recommended updates the source,Give youThis page,Click to go can help you generate USTC mirror automatically depending on the version update source。

In order to facilitate their own domestic vps server configuration updates,Usually all you need to change and update the source dns,Do not try to patch ............ otherwise life short,NetEase previously used source but recently always cramp,So nowRecommended Ali cloud

Another[……]

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Under Ubuntu more simple firewall Uncomplicated Firewall

we all know,Among Linux system has a very fast hardware firewall is called iptables,It can do far exceeds the scope of the firewall, but ......,usually,We only used it as a firewall to use。

but,If you just want a port policy,That does not seem to need to face iptables That lengthy configuration commands。Now,I'll introduce you to the other a more[……]

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SNI Proxy accelerate the deployment of anti-Generation Web access without certificate

We all know that you can use nginx trans-generation capabilities to achieve cross-border access network,but,This approach has a lot of constraints,For example, it is difficult to achieve login authentication,For example, the need for a separate forwarding module compiler to do,For example, you need to have a valid signature ssl certificates, etc.。

this time,We introduce an additional artifact SNI Proxy,With dnsmasq can be achieved with sniproxy[……]

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Compile and install anti-pollution dnscrypt-wrapper build DNS server

All to known,I want to get them abroad towards LAN DNS information,Will certainly suffer keywordPollution。to this end,Some people thinkUse exception port,For example, instead of using 5353 as the current DNS dedicated port 53-- Girl Friend Wall Only 53 pollution;It was also thought of using a TCP connection request,Because DNS response mechanism参考 DHCPI decided itaccept[……]

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ShadowSocks build servers on vps

demand

now,With gfw upgrade we need more and more scientific grounds Internet,But the most common VPN speed is getting slower and slower because of interference,For now,SS is a good alternative to。Now that you have your own vps,You may wish to use it to give yourself easily build a server SS。

installation

Since the routing system is Ubuntu vps,I will be using the command on Ubuntu[……]

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When SSH encounters "Write failed: Broken pipe”

When the management server using SSH,If you are a long time without having to log on,Then it is likely that awaits you is

"Write failed: Broken pipe”

Cause the cause of this error is the result of SSH link has been idle too long,so,SSH we need to change the default configuration to have it automatically turn off link。

In the SSH configuration,There are two commands to do this function,[……]

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On Ubuntu vps and other OS's seven-step build pptp protocol VPN

After getting a vps you may need to get a stable environment as soon as possible scientific,Method uses "earth move" and is a good choice (VPN)

Of course,Now we know everything Policy,GFW has now started to begin to interfere with VPN,So this is not based VPN pptp protocol of a long-term approach (which is a bit l2tp goods relative speed is faster in terms of speed)。

All right,In short,Based on the VP pptp[……]

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After purchasing a VPS you should spare security measures

2018On April 13 update,Add a link fail2ban Advanced Configuration Tutorial,Updated command。

Gerber drop-off site-wide migration to wills,As long as 15 yuan per month minimum,Support me consider myInvitation coderegistered,Gave $10 (Together 60 Multi-block RMB) discount! 😚

Recently purchased a vps route to learn ...... Yes! You read that right[……]

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Brush OpenWRT routers use a transparent proxy ShadowSocks Advanced Configuration

Speaking on how the articleInstall SHADOWSOCKS on OPENWRT to use transparent proxy + DNS poisoning,But finished only configuration orThere are many drawbacksof。

For example, the block list is dead,The ever-changing Internet content,I'm afraid you could not pass a list of a few weeks out of date;

For example, software updates,You can not always bother to manually upload,scp ...... blah blah blah ......[……]

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Brush OpenWRT router installation shadowsocks to use transparent proxy + DNS poisoning

Previous articleRouting introducedHow to open a double-wan bandwidth superimposed on OpenWRT,This is also the students brushOpenWRTThe most common requirement,Then,Is there any way to increase the way itTransparent Proxyfunctions?

Now that the router has to brush up on the third-party firmware OpenWRT,That certainly is a possible wireless。

Agent types

Today in our common species among agents,Most calendar[……]

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rg100a use OpenWRT open multi-line multi-dial plus Mac address cloning

Some time ago a friend had pocketed someOpenWRTA series of tutorials,Told some OP advanced usage,Of course,In this regard, I would lose a slightly raised。but,Recent quarters because of poor network quality(Mainly no QoS annoying)So I dug out my box eating ash under therg100a-aa,What poor fellow had not the memory that,I was just poor 30M。

But not closed[……]

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Long time no update Kali? GPG error KEYEXPIRED 1425567400

A long time did not update kali,Today, taking advantage of the updated virtual machine,We want to open the system with a new look,The results did not expect to encounter the problem of FIG.。

First, use the GUI to update occurred 404,Then use apt-get the error key expires。

Ok,At all events,This is not a conflict deb,Nor is the source could not be parsed,You need to do is update the key。

Use the following commands to a new[……]

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Experience the official version of Deepin 2014.2

Last article we talked about fragmentedThe official version of Deepin 2014.2 virtual machine installation experience,Then there is the experience of reporting time,Because just installed,Talk about a feeling of it to get started,Then feel after long-term use of the route to see the situation reported good。

On the back said we just adjust the resolution,Then the system will pop-up update,Point to open a look,I found this

I opened the QQ try next,[……]

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2014.2Deepin version of Virtual Machine Installation (is the depth of Linux)

I vaguely remember seven years ago began to chase the open source,At that time there Everest,There are red flags,There Kylin。Chinese felt the future is excellent Linux distribution,Myself have removed from the Linux-ren,Baidu Post Bar, Baidu know, and so a series of related Linux Forum,Fun virtually all mass market niche Linux distributions,Engage in a dual system,Multi-system all kinds of tricks ...... Unfortunately, ah Unfortunately,,In fact, no one[……]

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networkmanager can not manage the network and prompt "unmanaged network devices."

Using the Linux desktop system time,Many of my friends will encounter network manager prompts "Device unmanaged" situation。

 

In this case, the network can access the Internet,But the network manager - general nature is hard to force the Network Manager,But life and death does not display state。

In fact,at this time,The system uses another set of network management scheme,And this program[……]

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