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ICND1 Labs
Lab 2-2: Internet connections
Visual Topology Command Lis Command Description Access-list acl id permit network wildcard mask Creates a standard IP access control list (ACL) Debug IP ICMP Displays real-time ICMP traffic activity IP nat inside Configures an interface as NAT inside IP nat inside source list acl id pool pool name Dynamic source NAT rule that translates candidates permitted by an ACL to…
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ICND1 Labs
Lab 2-1: Router startup and Initial Configuration
Visual Topology Command Lis Command Description Configure Terminal Enters global configuration mode. Copy run start Saves the dynamic running-config to NVRAM. Description Adds a descriptive comment to an interface Erase startup-config Removes the saved startup-config from NVRAM Exec-timeout Hostname name Sets the system device name Interface type module/slot/port Enters interface mode IP address address/mask Sets an IP address and network/subnet…
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ICND1 Labs
Lab 1-2: Troubleshooting Switch Media Issues
Visual Topology Command Lis Command Description Configure Terminal Enters global configuration mode. Copy run start Saves the dynamic running-config to NVRAM. Duplex full / Half / Auto Enables the interface duplex setting. Enable Enters privilege EXEC mode Interface Fastethernet 0/0 Specifies interface fa0/0 Interface Gigabitethernet 0/0 Specifies interface gi0/0 Shutdown/ No Shutdown Disables or enable an interface Ping ip-address or…
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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…