Networking

How to Install MTR

What is MTR? Mtr combines the functionality of the traceroute and ping programs in a single network diagnostic tool. Mtr, when issued, investigates the network connection between the current host where mtr runs on and another host by sending packets with purposely low TTLs. Mtr continues to send packets with low TTL, noting the response [...]

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HowTo: Windows XP VPN Into Remote Location

Having a Secured VPN (Virtual Private Networking) server is great, especially for businesses with many offices or if you own two homes. How can you connect to these VPNs free? Well I will tell you. With Windows XP Networking you can connect to any VPN site for free and with ease. There is even a [...]

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Internet Explorer 8 Beta 2 Evaluatorâ€™s Guide

Windows Internet Explorer 8 Beta 2 Windows Internet Explorer 8 is the next version of the worldâ€™s most popular browser that optimizes developer and end-user experiences to provide a window to the Web of online services. Moreover, Internet Explorer 8 offers new features and functionality that enable customers to reach beyond the page in more [...]

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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 [...]

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How to Identify your IPv4/IPv6 Loopback Address

Most likely, administrators are familiar with IPv4 and IPv6 loop back address. The need to identify and reach IPv4/IPv6 loop back IP addresses remains basic but a need to know knowledge. Here’s a quick entry on how to identify IPv4/IPv6 loop back address status. Read on. IPv4 Loop back Address IPv4 loopback address typically refers [...]

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How to install Filezilla 3.0

As we all know, Filezilla has been around for quite some time and had proven to be very stable, flexibile and reliable FTP linux application – with multiple major features a FTP user is seeking for. Filezilla does not only transfer files using the traditional file transfer mode, but it makes use of multi-threading live [...]

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How to Disable IPv6 Completely

Disabling IPv6 protocol is only recommended if your network is not using IPv6 IP addresses and/or you are not offering any IPb6-based host services. I have heard stories about IPv4-based networks making their network a little bit slower than normal when IPv6 IP address is being enabled from their hosts. If you wish to disable [...]

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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 [...]

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How to setup Transparent Proxy with Squid

One of the many tasks we could be facing from time to time in our work is setting up and building a production proxy server. Proxy implementation could be done in several ways to achieve the same goal. One best bet we could have with this kind of setup is by using Squid linux software [...]

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How to Smart Host Sendmail

Sendmail can be configured to send emails directly to destination host or email server. However, network traffic congestion, email destination location, and connectivity rate sometimes affect and tend to fail a successful email delivery. Medium and large type of private networks are traditionally behind a firewall. This type of network usually sends emails directly to [...]

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Fedora 9: How to change Linux Hostname or Computer System Name

One of the basic requirement of identifying your computer system besides from its IP and MAC address is by its system host name. These host names are used by many of the networking programs to identify the machine. To view your current computer host name, simply type as root # hostname Now, to change your [...]

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Fedora 9: How to Install SquidGuard Proxy Filter

SquidGuard is a URL redirector and content filter addon that restricts proxy clients from accessing particular and/or banned site(s), IP addresses, URLs, website patterns using the proxy server.Â SquidGuard can be used in conjunction with Squid proxy to implement website content filter from the proxy server. Here’s a run down on how to install and [...]

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Fedora 9: Quick NFS Server HowTo

Here’s a quick post on how to build and setup NFS server. Fedora 9: Quick NFS Server HowTo NFS Server Configuration 1. Download and install NFS rpm package using yum # yum -y install nfs-utils rpcbind IfÂ you have an earlier Fedora versions # yum -y intall nfs-utils portmap 2. Prepare and modify /etc/exports for [...]

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Fedora 9: Mount Shared NFS from Another Linux Host

Sharing files over network have been very usual network activity in any type of networks whether private or public network. NFS is only way of sharing files located from server over a network of hosts. Here’s a quick run down on how top mount an existing read-only NFS share folder over a network from a [...]

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How To Configure Sendmail For Queueing Delay Time

Normally, when delivering mails to destination host by any mail transfer agent (MTA), MTA keeps track of delivery details such as delivery item location, delivery time stamps, particular mail IDs, and delivery attempt status. If a problem occurs when sending mails, normally an attempt should be made a later time and MTAs should queue up [...]

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