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Opened host ports are usually the most non-physical direct way of forcing entry remotely. Here you would see several tools and ways how to list out your currently opened ports from your managed linux box. Let’s view our first attempt to list out those opened and used ports. # netstat -panut | grep LISTEN We [...]
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This document assumes working knowledge of the Windows Registry. It is possible to render your computer useless by incorrectly modifying the Registry. Caution is advised… Settings pertaining to Windows NT will say Win NT. All others refer to Win9x 1.   Remove unwanted items from Control Panel | Add/Remove programs 2.   Changing Icons for Desktop Items [...]
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Change the default application install path Change the default Win2000 install path A warmer welcome Tell Win2000 where to find the service pack files Remove Unwanted programs from Add/Remove Programs Open My Computer icon in Explorer view Keep the Print Spooler service from displaying dialog boxes Stop Print Job Logging in the Event Log Disable [...]
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Setting up a repository: svnadmin create /usr/local/svn/newrepos Import files into repository: svn import /import/dir file:///usr/local/svn/newrepos/projectname -m “comment” List files in a repository tree: svn list file:///usr/local/svn/newrepos/projectname svn ls #while in sandbox svn ls -v # verbose Checkout a directory: svn checkout “http://host:port/path” svn co http://host:port/path svn checkout file:///path/to/repos svn checkout file:///localhost/path/to/repos svn checkout svn+ssh://host/path/to/repos Check [...]
Tech Guru Backup, check, configuration, configure, Copy, create, date, directory, exports, file, hosts, install, listing, logs, usr,
Hfnetchk.exe – Is a utility from Microsoft that checks Windows NT, 2000, and XP Computers (workstations and servers) for missing security fixes. Â It is a command line utility that is run from a command prompt. Â For a full description of Hfnetchk see the MS links below. Note: A company called Shavlik Technologies is the company [...]
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Basic steps: – Install OS (WinNT or 2000) on your Master build PC – Install Apps and configure PC – Run Sysprep (with the optional sysprep.inf file). You run Sysprep from a command line. – Shut down the PC – Run your PC imaging software (usually from a bootable disk) to create a disk image. [...]
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What are Group Policies? Group Policies are settings that can be applied to Windows computers, users or both. Â In Windows 2000 there are hundreds of Group Policy settings. Group Policies are usually used to lock down some aspect of a PC. Â Whether you don’t want users to run Windows Update or change their Display Settings, [...]
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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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Have you spotted your squid log files of any spammer attempts trying to send email from squid port?Well, one dirty way of checking your squid logs of these spammer attempts trying to send emails using tunnelled SMTP via squid port. # cat /var/log/squid/access.log* | grep ‘\:25′ Here’s a few line samples: ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 1179265950.734 0 220.137.80.170 [...]
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Do you need to setup IP aliasing or multiple ethernet IP address using your single ethernet card? Here are the steps to do that: First requirement, you will be needing a working ethernet network interface card. Say your first ethernet is eth0 and has an IP address of 192.168.1.1 . Issuing # ifconfig eth0 would [...]
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As root 1. How to have a stop watch scenario from command line terminal? # time cat Press Ctrl+C 2. How to measure the time of executing any executable command? # time firefox wait 5 seconds and close the application 3. How to CD to a user’s home directory? # cd ~userhome 4. How to [...]
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1. How to you change file ownership and chown files recursively? # chown user:user folder -R 2. How to view queued mail in sendmail or postfix? # mailq 3. How to show which alternative binary program does your machine executes first? # alternatives –display program-name 4. How to create public/private rsa key pair? # ssh-keygen [...]
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Linux systems are capable of running scheduled jobs. Server administrative task are done on regular basis even while sysads are away or during sleeping hours. This keeps a fully working production server do unattended jobs on periodical basis. cron is a linux utility that schedules and automates jobs. This blog entry covers how to do [...]
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Syncronizing your current date and time is as important as making database backups. Without proper accurate stamped date and time, any backup file with any stamped date on it would be meaningless. Without correct time and date, those scripts that depend on date and time schedule would be executed inaccurately and would give you result [...]
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The telnet command is used to communicate with another host using the TELNET protocol. If telnet is invoked without the host argument, it enters command mode, indicated by its prompt ( telnet>). In this mode, it accepts and executes the commands listed below. If it is invoked with arguments, it performs an open command with [...]
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