Blog for Sysadmins

How to Allow Remote Management of Cisco ASA 5510 Firewall How do I actually configure the firewall to allow remote administration via Telnet, SSH, or HTTPS/ASDM? Solution Cisco ASA Allow Telnet - Via Command Line 1. Log on to the firewall > Go to enable mode > Go to configure terminal mode. User Access Verification Password: Type help or '?' for a list of available commands. PetesASA> en Password: ******** PetesASA# configure terminal PetesASA(config)# 2. Now you can either allow access for one machine, or a whole network, the syntax is "telnet {ip address} {subnet mask} {interface that its connected to}. The following will just allow one host (192.168.1.10). PetesASA(config)# PetesASA(config)#telnet 192.168.1.10 255.255.255.255 inside PetesASA(config)# The following will just allow a whole network 192.168.1.1 to 254 PetesASA(config)# PetesASA(config)#telnet 192.168.1.0 255.255.255.0 inside PetesASA(config)# 3. To set the password you ...

SchoolTool: An Advanced School Management and Information System SchoolTool  is an Open Source, free, web based student information system designed for schools around the world. It is developed and distributed by  Shuttleworth  foundation with strong support for translation, localization and automated deployment and updates via the  Ubuntu Linux installer  and  package management system . SchoolTool is licensed under GPL2 and written in  Python  using the  Zope 3  framework. The main goals of this project are to create a simple turnkey student management and information system, including demographics, gradebook, attendance, calendaring and reporting for primary and secondary schools. Features - Customizable student and teacher demographics and other personal data - Contact management for teachers, students, and their guardians - Teacher grade books - School wide assessment data collection and report card generatio...

NAGIOS Installation Guide This is an open source software used for network and infrastructure monitoring. Nagios will monitor servers, switches, applications and services. It alerts the IT Administrator when something went wrong and also alerts back when the issues has been rectified. Though the steps provided here are tested in CentOS 6.4, it may work on RHEL 6.4, Scientific Linux 6.4 and other RPM based distros. In this tutorial i am gonna to use two systems as follows Nagios server: Operating system: CentOS 6.4 IP Address       : 192.168.1.100/24 Nagios client: Operating System: CentOS 6.3 IP Address       : 192.168.1.101/24 First the install the prerequisites. [root@server ~]# yum install -y gd gd-devel httpd php gcc glibc glibc-common By default nagios is not found in CentOS official repository, so add the EPEL repository to install nagios. [root@server ~]# wget http://dl.fedoraproject....

Below are the links to various tools, calculators, config template etc. I hope you guys will find it helpful – APC Datacenter Tools ACL Wildcard Mask Calculator Aircrack-ng APC Product Selectors BackTrack Linux – Penetration Testing Bandwidth Calculator Bandwidth Speed Test Tool Bandwidth VoIP Availability Check Bandwidth VoIP Test Belkin Wizards Black Box Custom Cable and Adapter Wizards Boson Free Utilities, Cisco Config Register Calculator Brad Reese music work ambience Broadband Tools Cain – Windows Based Hacking Tool CertSearch Tool – rates Cisco practice test providers CIDR Report CIDR / VLSM Supernet Calculator Cisco 827/827H/SOHO97/837 ADSL Firewall IPSec Config Cisco 827/827H/SOHO97/837 ADSL IPSec Config Cisco 827/827H/SOHO97/837 Basic Config Cisco 827/827H/837 Business Config Cisco 827, 827H, 837, SOHO97 Config Wizard Cisco 851/851W/857/857W/871/871W/877/877W Wizard...