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Computer-Forums.net • View topic - Basic Linux Commands

Basic Linux Commands

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Basic Linux Commands

Postby kostyanj » Wed Apr 02, 2003 3:22 pm

Last edited by kostyanj on Mon Apr 14, 2003 3:26 pm, edited 3 times in total.
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Postby Firest0rm » Tue Apr 08, 2003 8:02 pm

Should you really be showing rm -rf ?? :twisted:
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Postby kostyanj » Tue Apr 08, 2003 10:40 pm

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Postby wacky-sung » Wed Apr 09, 2003 6:18 am

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Postby kostyanj » Wed Apr 09, 2003 8:08 am

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Re: Basic Linux Commands

Postby January » Wed Jul 09, 2008 8:58 pm

Thank you for posting the basic Linux commands, it would be a very big help for me because I have recently switch my OS to Linux.
Keep posting helpful informations. :)
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Re: Basic Linux Commands

Postby Christine » Sat Jul 19, 2008 11:53 pm

Thank you for the effort of posting that information. I really need to know basics of Linux because I just switch my OS to Linux now.
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Re: Basic Linux Commands

Postby Chalmer » Mon Jul 21, 2008 7:52 am

Top 10 Ways to Protect Your Linux System

Number 10.

Visit a local computer software store, drift through the aisles filled with internet security and spyware protection products and simply walk on past them. You don't need to spend $49 to protect a home Linux system. Even if you are seriously concerned, there are plenty of Free Open Source solutions available to you that I list later.

Number 9.

Get online and download or order a large set of Knoppix Live Boot CDs and share them freely with your Windows using friends.

This is especially important if you know of a Windows user who recently purchased a DSL or Cable Modem connection and asks you earnestly, "what's spyware?" Save them, for the love of humankind! Get them using Linux before their system is infested with a dozen spywares consuming their bandwidth and system resources. In fact, these handy "live-cd" releases are good for many things including Emergency Booting a Windows PC! One of my friends foolishly ignored this advice and within 60 seconds of connecting his WindowsXP system on my DSL line had a slew of spyware rooted on his hard drive. Ironically, I had been using the same DSL for six months with a basic SuSe 9.3 release and zero issues crept up. Yes, he took a Knoppix CD home with him that night!

Number 8.

Get familiar with the world of OpenSource on sites like Freshmeat.net and see just how much is available to you regarding every aspect of Open Source software. I'm not just talking about security utilities. I'm also referring to the exceptional power of programs like: Firefox web browser, OpenOffice.org 2.0, Apache projects, and MySQL 5.0, among over 105,000 others.


I've been considering printing the full list out in 4 point font and carrying it in my notebook case for that not uncommon moment when someone asks me "is there much software available?" I can just whip out the 100,000+ listing and hand it to them.

Number 7.

Take the time to download and install a patch if a critical update is announced. How frequently do such advisories occur? For the most part only a few times a year at most (obviously, this depends on your applications as much as your Linux flavor/kernel). The important thing is to realize that home Linux use does not require you to patch every time an announcement is made. Just keep your ears out for critical security related patches, if they come.

In the Windows world there is a tendency towards hyper patching. As a result, some of my technically savvy Windows friends switch over to Linux and start patching their systems on an almost daily routine. Then they come to me, panting and sweaty saying, "Oh man, so many patches!" Ironically, even as Microsoft pointed the blame at RedHat for releasing far more patches, they failed to also point out almost none of the RedHat patches were critical security updates. Patch when critical updates come, otherwise relax and enjoy your stable, quality home Linux PC.

Number 6.

Never run executable programs as root. If you login as root and find odd programs you don't recognize, please take the time to move them to a user space. Never run such programs using the ultra powerful root... unless you're particularly bored one day or partial to self-flagellation that is.

Number 5.

This takes me to the next point (about Linux not flagellation). There are multitudes of websites out there offering "free" software and downloads. Please avoid Trojans and other problems by downloading your software from reliable sites. Most websites will provide MD5 checksums and verified downloads protecting you from issues. Stick to known and reliable websites. Hey, not all the points are funny okay!

Number 4.

Lots of people forget that even though your Linux system may be far less vulnerable to viruses and malware, your Windows systems on the same home network remain vulnerable. One major vulnerability of Windows systems on a Linux network is that the Linux machine inadvertently passes along viruses or malware that did not affect it. You can cover this weakpoint by downloading and using Linux based antivirus software. Although it is unlikely your AV software will protect your Linux box from anything malicious, it is highly likely it will keep things away from your Windows systems. Ironic but quite true. You can download a few AV Linux software from:here, or here, or here. You can also find several commercial anti-virus, anti-spam, and anti-malware options.

Number 3.

Yep, this goes in line with tip number 6. Please do not do your internet surfing or day-to-day work on your Linux system as root. Take a brief moment in time and create a secondary login. If you ever need to get superuser powers just use the su command instead of habitually using root, which opens a potentially large hole for fouling up your nice and stable Linux system.

Number 2.

You should enable and use your Linux firewall. The good part is that your Linux flavor is entirely likely to come with a preconfigured firewall that is sufficient. Please be sure this is enabled when you surf the internet. Most Linux flavors come with a very robust and capable firewall preinstalled, but configuring this may be simplified with some of the graphical firewall interfaces including: Firestarter and Guarddog. The key point about your firewall is that you should enable and use it!

Number 1.

Finally, the number one tip for protecting your system from worms, viruses, spyware and malware is to use Linux. You end up avoiding a good volume of issues regarding security and often enjoy better home PC performance to boot!




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Re: Basic Linux Commands

Postby danny0085 » Thu Aug 25, 2011 9:35 am

Here you can check out the most used linux commands

http://commands.tips-linux.net
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