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The world of Linux. "XAMPP: Couldn't start MySQL!" Documentation. We're having a conference! You're invited! Wireshark Training Wireshark University Co-founded by Laura Chappell, inspirational instructor, consultant, and Wireshark expert, provides training, Network Analyst Certification, and resources for all levels of Wireshark users. Visit www.wiresharktraining.com. Wireshark Network Analysis The Official Wireshark Certified Network Analyst Study Guide is now available. Wireshark Certified Network Analyst: Official Exam Prep Guide Want to become a Wireshark Certified Network Analyst? User Documentation User's Guide The Wireshark User's Guide is available in several formats: Web pages (browseable): One huge page or multiple pages Web pages (ZIP file): One huge page or multiple pages PDF: US or A4 Windows help: CHM file Command-line Manual Pages UNIX-style man pages for Wireshark, TShark, dumpcap, and other utilities Display Filter Reference All of Wireshark's display filters, from version 1.0.0 to present.

Release Notes Version 0.99.2 to present. Security Advisories. CentOS / RHEL: Install nmap Network Security Scanner. How do I install nmap command under CentOS / RHEL or Red Hat Enterprise Linux based system for testing security of my own network? The nmap command line utility is used for port scanning and finding out all the ways a computer communicates with other computers on a network. You can find open ports on a server or computer and find what services are using those ports. It can even determine what operating system is running on the server and much more.

Installation To install nmap on RHEL based Linux distributions, type the following yum command: # yum install nmap Sample outputs: How do I use nmap command? To find out nmap version, run: # nmap --version Sample outputs: Nmap version 5.51 ( ) To scan an IP address or a host name (FQDN), run: # nmap 1.2.3.4 # nmap localhost # nmap 192.168.1.1 Sample outputs: Fig.01: nmap in action Getting more information out of the remote system Starting Nmap 5.00 ( ) at 2012-11-19 16:38 IST NSE: Loaded 30 scripts for scanning.

Linux: 25 PHP Security Best Practices For Sys Admins. PHP is an open-source server-side scripting language and it is a widely used. The Apache web server provides access to files and content via the HTTP OR HTTPS protocol. A misconfigured server-side scripting language can create all sorts of problems. So, PHP should be used with caution. Here are twenty-five php security best practices for sysadmins for configuring PHP securely. Our Sample Setup For PHP Security Tips DocumentRoot: /var/www/htmlDefault Web server: Apache ( you can use Lighttpd or Nginx instead of Apache)Default PHP configuration file: /etc/php.iniDefault PHP extensions config directory: /etc/php.d/Our sample php security config file: /etc/php.d/security.ini (you need to create this file using a text editor)Operating systems: RHEL / CentOS / Fedora Linux (the instructions should work with any other Linux distributions such as Debian / Ubuntu or other Unix like operating systems such as OpenBSD/FreeBSD/HP-UX).Default php server TCP/UDP ports: none #1: Know Your Enemy . # ....

Kill process in Linux or terminate a process in UNIX or Linux systems. I am a new Linux system user. How do I kill process on Linux based server using command line options? How can I kill running process on Unix? Linux and Unix-like operating system come with the kill command to terminates stalled or unwanted processes without having to log out or restart the server.

The kill command sends the specified signal such as kill process to the specified process or process groups. A list of common Term signals Linux and Unix-like operating system supports the standard terminate signals listed below: SIGHUP (1) – Hangup detected on controlling terminal or death of controlling process. What is a PID? A Linux or Unix process is running instance of a program. OR use the combination of ps command and grep command: Sample outputs: Fig.01: Find the process ID (PID) of a running firefox program and apache2 server. kill command syntax The syntax is: What Linux or Unix permissions do I need to kill a process? Rules are simple: kill command examples Sample outputs: The syntax is.