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Linux and Unix

How to Backup Linux? 15 rsync Command Examples

by admin on September 9, 2010 · 0 comments

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rsync stands for remote sync. rsync is used to perform the backup operation in UNIX / Linux. rsync utility is used to synchronize the files and directories from one location to another in an effective way. Backup location could be on local server or on remote server. Important features of rsync Speed: First time, rsync [...]

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Linux Directory Structure (File System Structure) Explained with Examples

by admin on September 8, 2010 · 0 comments

in Linux and Unix

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Have you wondered why certain programs are located under /bin, or /sbin, or /usr/bin, or /usr/sbin? For example, less command is located under /usr/bin directory. Why not /bin, or /sbin, or /usr/sbin? What is the different between all these directories? In this article, let us review the Linux filesystem structures and understand the meaning of [...]

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Linux Directory Structure (File System Structure) Explained with Examples

September 8, 2010

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How To Use Squid Proxy Cache Server To Control Internet Access

September 1, 2010

Squid is a proxy caching server. If you are Linux sysadmin, you can use squid to control internet access at your work environment. This beginners guide will give a jump-start on how to setup squid on Linux to restrict internet access in an network. Install Squid You should install the following three squid related packages [...]

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Top 10 Open Source Bug Tracking System

August 31, 2010

All IT projects needs a bug tracking (or issue tracking, or defect tracking) system. Sure, we need a bug tracking system for a software development project. But, what about a sysadmin team, dba team, network team? They all need some help to track their work, and issues of their system, database and network. I’ve listed [...]

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Adios ATI, It Will Be All AMD from Here On

August 30, 2010

AMD has announced that it will retire the ATI brand later this year. Four years ago, AMD shocked everyone by acquiring ATI for $5.4 billion. The merger almost cost AMD dearly. The massive expense was financed through $2 million in loans and 56 million shares of AMD stock. Most pundits believed that AMD had made [...]

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Ancient Kernel Hole in Linux fixed after Two Months of reporting

August 30, 2010

An ancient kernel hole in Linux, which has been present from 2003, was recently closed after constant nagging and bug reports. The problem was with the X server using a huge stack that has a good chance of running into an adjacent heap memory. The same vulnerability was cited earlier and was brought to the [...]

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Linux cpio Examples: How to Create and Extract cpio Archives (and tar archives)

August 26, 2010

cpio command is used to process archive files (for example, *.cpio or *.tar files). cpio stands for “copy in, copy out”. cpio performs the following three operations. Copying files to an archive Extracting files from an archive Passing files to another directory tree cpio takes the list of files from the standard input while creating [...]

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Packet Analyzer: 15 TCPDUMP Command Examples

August 25, 2010

tcpdump command is also called as packet analyzer. tcpdump command will work on most flavors of unix operating system. tcpdump allows us to save the packets that are captured, so that we can use it for future analysis. The saved file can be viewed by the same tcpdump command. We can also use open source [...]

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How To Be Productive and Get Things Done Using GTD

August 24, 2010

Do you need more time to do the things that you enjoy? Of course, you do. For geeks there are tons of technical projects to mess with, but we don’t have enough time. Over the years, I’ve tried few time management and productivity systems. While they all helped me grow, there is something in those [...]

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