Archive | Uncategorized

RSS feed for this section

How to create a free Let’s Encrypt certificate on CentOS with NGINX

Step 1: Step 2: Result: Result: You can use crond to run below command twice per day: https://certbot.eff.org/#centos6-nginx

Read full story Comments { 0 }

How to fix IDMGrHlp.exe use high CPU

You can find this file at: C:\Program Files (x86)\Internet Download Manager or C:\Program Files\Internet Download Manager Back up this file first (ex: IDMGrHlp.exe.bak) Edit file by Notepad++ or any editor program, delete all content and save file. Note: this file is readonly, so you must turn off this property

Read full story Comments { 0 }

How to fix error: 504 Gateway Time-out on Nginx

Sometimes, you get the error: 504 Gateway Time-out on Nginx like this figure, how to fix it. This is simple. You follow 2 below steps: Step 1: Add this line to your PHP file or You can change 120 to the seconds you want. Step 2: You edit the file .conf like /etc/nginx/conf.d/default.conf, you will […]

Read full story Comments { 0 }

How to create OAuth client ID and client secret for Google APIs

Step 1: log into your Google account then go to the website: https://console.developers.google.com/projectselector/apis/credentials Step 2: Click on the blue button “Create a project”. Step 3: click on the button “CREATE”. Wait a few seconds then you see the screen: Click on the blue button “Create credentials”, you will see 4 options to choose. Step 4: […]

Read full story Comments { 0 }

How to fix error Another git process seems to be running in this repository

When you use Git, you see the error: How to fix it? It’s simple: you just need to delete the file .git/index.lock You can use this command:

Read full story Comments { 0 }

Work with BitBucket and SourceTree on Windows

You must have an account on BitBucket. Step 1: Download SourceTree for Windows: https://downloads.atlassian.com/software/sourcetree/windows/SourceTreeSetup_1.9.6.1.exe Step 2: install Click Next. Click Next. Click Install. Check Lauch SourceTree then click Finish. Step 3: Click I agree then Continue Step 4: Click Go to my Atlassian Step 5: Enter name of your organization, then click Generate License Download […]

Read full story Comments { 0 }
How does CloudFlare DDOS protection work? – Update 09/2016

How does CloudFlare DDOS protection work? – Update 09/2016

Old version: How does CloudFlare DDOS protection work? I went to some website and saw the CloudFlare DDOS protection, pictured below: I showed the source of that website: This is interesting. We research how CloudFlare DDOS protection works. The page consists of two parts, a piece of JavaScript: And a form: Step 1: Javascript code […]

Read full story Comments { 1 }

Vesta Control Panel installation – new update 2016

Read the old version: Vesta Control Panel installation Vesta CP available for 1. RHEL 5,6,7 2. CentOS 5,6,7 3. Debian 6,7,8 4. Ubuntu 12.04-15.10 Step 1: Download installation script curl -O http://vestacp.com/pub/vst-install.sh or you can custom your command by go to Advanced Install Settings in website: https://vestacp.com/ result: Step 2: bash vst-install.sh Result:   (Example […]

Read full story Comments { 0 }

How to install libtool in Cygwin

Read more: How to install cygwin How to add packages after install Cygwin Installation: Result:

Read full story Comments { 0 }

How to install autoconf in Cygwin

Read more: How to install cygwin How to add packages after install Cygwin Installation: Result:

Read full story Comments { 0 }