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ICND1 Labs
Lab 1-1: Switch Startup and Initial Configuration
Visual Topology Command Lis Command Description ? or help Lists available commands in your current mode Clock set Sets the system clock Configure Terminal Enters global configuration mode Copy run start Saves your dynamic running config to NVRAM Delete name Deletes a file Do command Allows for the execution of commands located in a different mode Enable Enters privileged EXEC…
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Uncategorized
What Makes Linux the Most Adopted Operating System
The Linux computer operating system designed on the lines of the UNIX is now the world’s most used operating system. It is assembled under the free and open software system. This means that the underlying source code may be used, modified and distributed by anyone under licenses like GNU GPL. The major component of Linux is Linux kernel. This is…
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Tips – Tricks
How to fix nginx an upstream response is buffered to a temporary file error
After running Nginx for a while. You can read how I install LEMP server with Linux, Nginx, PHP-FPM, and MySQL on Centos. I got tons of warn logs from nginx on Centos an upstream response is buffered to a temporary file which I don’t like to see. The problem is that I didn’t set fastcgi_buffer for nginx so nginx gives out…
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Tips – Tricks
Optimize WordPress with Nginx
If you follow my last two tutorials How to install LEMP web server with Nginx, PHP-FPM 5.5, MySQL 5.5 on Centos Linux and How To Install WordPress with nginx on Centos 6. You should have your WordPress website running with LEMP nginx, php-fpm and mysql stack. WordPress works perfectly fine with Apache, but you will run into some minor problems with WordPress and…
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CentOS
How to install vsftpd on centos 6
The first two letters of vsftpd stand for “very secure” and the program was built to have strongest protection against possible FTP vulnerabilities. Vsftpd supports virtual users with PAM (pluggable authentication modules). A virtual user is a user login which does not exist as a real login on the system in /etc/passwd and /etc/shadow file. Virtual users can therefore be…
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CentOS
How To Install WordPress with nginx on Centos 6
So far I have written how to install LEMP server (nginx, mysql, php-fpm) on centos. If you are planning to use WordPress with your LEMP server (nginx, mysql, php-fpm) stack, I will show you How To Install WordPress with nginx on Centos in this article. Follow up previous article How to install LEMP web server with Nginx, PHP-FPM 5.5, MySQL 5.5 on…
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Security
How to secure Nginx web server
Nam Huy Linux is using Nginx because Nginx is a great lightweight and high performace web server/reverse proxy server. Nginx is the second most popular webserver just after Apache web server, there are many popular sites using Nginx like Wikipedia, Sina, Weibo, Yahoo, Reddit, Tumblr, Worpress… Nginx can easily handle thousands inactive HTTP connections with very low memory consumption. In this…
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Tracking centos server with bash script
In this article I will show you how to use bash shell to test the system periodically, to check the connection port 80, server load, queue exim, and mysql process … The script will automatically notify you via email if there are anything unusual. Script will use a while loop to run every 2 minutes and check whether the case…
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How to secure Apache HTTP Web Server
Apache HTTP Server is an open source web server developed by a community of developers and users, supported by non-profit corporation Apache Software Foundation. Apache web server is often placed at the edge of the server to serve httpd traffic hence it’s the most vulnerable service to an attack. Even though Apache has a good history about security, it does…
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Tips – Tricks
Browse web in linux via terminal with w3m and xterm
I’m going to show you some neat tricks to browse internet via Linux terminal. We are going to use w3m which is a free software and open source text based web browser which you can browse internet by using Terminal. w3m supports tables, frames, color and inline images on compatible terminals. The name w3m stands for “WWW wo miru (WWWを見る?)”,…