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The ssh program can  be used for monitoring remote hots. The system admin can also execute commands from his desktop which can be executed at remote servers. This is a cool facility of ssh. We can do much more on SSH. root@admin:~ # ssh root@www ‘df -h’ Filesystem Size Used Avail Use% Mounted on /dev/ubda 3.5G 2.1G [...]
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Elgg is an open, flexible social networking engine, designed to run at the heart of any socially-aware application. Building on Elgg is easy, and because the engine handles common web application and social functionality for you, you can concentrate on developing your idea. Elgg is open source. That means, when you use Elgg, you have [...]
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Successfully networking your Ubuntu system with Windows clients involves providing and integrating with services common to Windows environments. Such services assist the sharing of data and information about the computers and users involved in the network, and may be classified under three major categories of functionality: File and Printer Sharing Services. Using the Server Message [...]
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Command Summary Use arp Command mostly used for checking existing Ethernet connectivity and IP address Most common use: arp This command should be used in conjunction with the ifconfig and route commands. It is mostly useful for me to check a network card and get the IP address quick. Obviously there are many more parameters, [...]
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This is an introductory guide for people learning to use a Linux system. It focuses on command-line usage. This is not because everyone will be doing everything at the command line. On the contrary, there are many useful GUI tools and programs in Linux, and some people will be content to stay with these. However, in contrast to GUI programs, which can be learned largely by “click and try”, the command-line requires some deliberate learning, and reading documentation. The benefit of this investment is that you will learn the tools and tricks of the command line which are in many cases faster, more powerful, and more flexible than any GUI program.
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While one type of storage media is usually sufficient for smaller companies, large enterprises will often have a mixed storage environment, implementing different mediums for specific departments, workgroups and remote offices. In this paper, we will provide an overview of DAS, NAS and SAN to help you determine which solution, or combination of solutions, will best help you achieve your business goals
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So you have a phone with a camera and an mp3 player, and now you would like swap data between it and your linux computer. There are a couple of ways of going about it. These should work, or at least give you a good start on a lot of phones (not just the Nseries), [...]
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Here is a checklist of the factors that affect your rankings with Google, MSN, Yahoo! and the other search engines. The list contains positive, negative and neutral factors because all of them exist. Most of the factors in the checklist apply mainly to Google and partially to MSN, Yahoo! and all the other search engines of lesser importance. If you need more information on particular sections of the checklist, you may want to read our SEO tutorial, which gives more detailed explanations of Keywords, Links, Metatags, Visual Extras, etc.
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First step is to make sure your windows partition is not currently mounted.Let’us use an alternative way like # df -ah which shows file system disk space usage. Sample result ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Filesystem Size Used Avail Use% Mounted on /dev/mapper/VolGroup00-LogVol00 17G 13G 3.7G 78% / proc 0 0 0 – /proc sysfs 0 0 0 – [...]
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First, we need to know what is swap memory? Generally, this is a temporary memory storage for an OS to utilize while the OS is trying to get more busy process managing another separate threads from another running applications.Assuming you already have an existing swap partition, which is usual by default installation, and we would [...]
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1. How to know which ports are listening from your IP address? # nmap -sT -O your-ip-address 2. How to grep an exact match? # grep -w textfile.txt 3. How to reverse grep matches? # grep -v textfile.txt # 4. How to know which service name is what port? Assuming port 443 # cat testfile.txt [...]
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Server SSH log files provides us information from simple system to critical system security message. Here are quick ways of doing it via CLI terminal. These examples could serve also as starting point to parse more search key strings not only from any ssh log files, but also to other daemon service log file such [...]
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Monitoring mailbox users can be done in many serveral ways via web interface or via terminal or via bash scripts. With the usual mbox type emails, incoming new email messages are automatically redirected to each users’ own spool file. This spool mail is by default located and stored in /var/spool/mail. From there, the spool file [...]
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SSH port is only one of the most typical ports being bombarded and attacked by unauthorized hosts trying to get access to your server via SSH port. Preventing these SSH port attacks from unauthorized hosts can be done in many several ways. By default SSH setup, SSH daemon service echoes its SSH activities to default [...]
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Bash-enabled linux SSH accounts are one of the sweetest and enticing server aroma for a SSH port attacket to get one from a server being managed by somebody else. Here’s a quick post on how to list down the SSH user accounts with most failed SSH login attempts. Get Most Attacked SSH System Accounts SSH [...]
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