switch

Converting from Windows to Linux: Hard drives NTFS to Ext3

Introduction Recently I undertaken the task to convert over to the Linux Operating System. After searching the Internet and reading through many tutorials it became clear that the NTFS File-System is not compatible with Linux other than being Read from. At least not with Ubuntu 6.10 Edgy Release. There in created another task for me, [...]

How to Extremely Powerful Linux Password Sniffer

Password Sniffer on Linux? Yep, we all need to be informed of passwords being sniffed out! I would not entail those details and cover specific issues of identifying your network securities as that would be large enough to be covered here and case to case basis. However, those two words are being mentioned here and [...]

Rsyslog – Most Advanced Log Server

Rsyslog is an enhanced syslogd supporting, among others, MySQL, PostgreSQL, failover log destinations, syslog/tcp, fine grain output format control, high precision timestamps, queued operations and the ability to filter on any message part. It is quite compatible to stock sysklogd and can be used as a drop-in replacement. Its advanced features make it suitable for [...]

How to verify firewall ACLs and router rule sets using Linux

Core routers and firewall gateways are usually comprised of basic and extended access control lists including rule sets that define local network security level and control access. They are commonly implemented on gateway routers restricting hosts, protocols and port access to other host or networks located after their default gateways. Basically, routers and default gateways [...]

How To Download MetaCafe/Google Video/YouTube Videos From Terminal

Recently, we have covered downloading of youtube videos from command line terminal here using youtube downloader called youtube-dl . Now, here’s an alternative that download’s video from many video websites like Google Video, Metacafe, Sevenload including YouTube and saved it as MP4 video file. Introducing Clive Video Downloader Clive is a linux video extraction terminal [...]

How to configure Cisco SPAN Ports

The following example will demonstrate how to configure a single SPAN session on a Cisco Catalyst switch. The specifics are different between different switch models, so be sure to check the Cisco documentation. You must first configure source ports. Source ports are ports whose data will be copied, and sent to the destination, or SPAN [...]

Bonding Options

balance-rr or 0 This is the default, transmitting packets in order from the first available slave through the last, for load balancing and fault tolerance. active-backup or 1 Only one of the bond slaves is used, and the others sit idle until the active slave fails. balance-xor or 2 This has two possible behaviors, which [...]

How to Configure and build bonding in Linux

Most popular distro kernels ship with the bonding driver already available as a module and the ifenslave user level control program installed and ready for use. If your distro does not, or you have need to compile bonding from source (e.g., configuring and installing a mainline kernel from kernel.org), you’ll need to perform the following [...]

Microsoft Exchange Recovery Storage Group (RSG)

The RSG is a newly added feature in Exchange Server 2003 for managing database restoration. The RSG is a new type of storage group in Exchange Server 2003. This storage group is specifically designed to allow you to recover mailbox store data without using a recovery forest or recovery server. This not only speeds up [...]

How To Forward Syslog Messages To Zenoss

Instructions for configuring Syslog.conf/Syslog-ng.conf Forwarding Syslog messages from UNIX/Linux Devices Log on to the target device (as a super user). Open /etc/syslog.conf file with an editor (e.g VI). Enter *.debug and press the Tab key. then enter the host name or IP address of the Zenoss server. See example below: *.debug @192.168.X.X Save the file [...]

HOWTo replace AD+Exchange with Samba+Zimbra

This HOWTo describes how to configure Zimbra Collaboration Server (ZCS) and Samba to act as a primary domain controller (PDC) that uses LDAP (Lightweight Directory Access Protocol) as a central password database for authenticating users on Linux and Windows desktops. The motivation behind this document is the need to seamlessly integrate ZCS into corporate network [...]

How to Keep Windows XP Up-to-Date

The Windows Update feature notifies you of the latest updates and bug fixes for the Windows XP operating system directly from the Microsoft Web site. To launch the Windows Update, you click the Start menu, point at the All Programs button, and then click Windows Update in the Programs menu. As soon as you click [...]

How to install Step by Step Guide to Installing a New Printer in Windows XP

When installing a new printer with the Add Printer Wizard, you can choose between adding a local printer (one that’s directly cabled to your computer through one of the ports) or a network printer (a printer that’s connected to your network with an Ethernet connection, just as your computer is connected to the LAN). To [...]

Multiuser Features and Advanced Settings

Like Windows 2000, but unlike Windows 95, 98, and Me, the ability to log in multiple users simultaneously plays a big role in Windows XP. There is a default Administrator account set up when Windows XP is first installed, but you can create as many accounts as you need later, depending on how many people [...]

List of the keyboard shortcuts that are available in Windows XP

General keyboard shortcuts loadTOCNode(2, ‘moreinformation’); • CTRL+C (Copy) • CTRL+X (Cut) • CTRL+V (Paste) • CTRL+Z (Undo) • DELETE (Delete) • SHIFT+DELETE (Delete the selected item permanently without placing the item in the Recycle Bin) • CTRL while dragging an item (Copy the selected item) • CTRL+SHIFT while dragging an item (Create a shortcut to [...]