Now that we’ve logged in and learned how to move from one directory to another (and find where we are if we get lost…) it’s probably time to start learning how to find out about other commands. Well, if you press tab at the command line you will likely see something that starts like this….
$
Display all 4601 possibilities? (y or n)
and if you answer with a “y” you will see a long list of programs that could be run. That’s not usually the best way to find a program though.
Category: Computers
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Using the command line in linux – part 3
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Using the command line in linux – part 2
This is part two in a series of “how to use the command line in linux” style articles…. these are intended to be quite basic for those that have not used a command line before…. In part one we logged in (if necessary) and found out about the help command, navigated a bit with the arrows and exit -ed from our login. This time we’ll try to learn a bit more about dealing with files and navigating. In a graphical interface, if you browse files, you’re presented with a list of files and folders for a directory that you can scroll through and read at your leisure. In the command line we have to tell the computer to list the files and folders for the directory that we’re currently “in” to list those in linux, we use the ls command….
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Using the command line in linux – part 1
I know many people get intimidated with a black screen, white text and blinking cursor. No mouse, not knowing where to start…. well, I’m going to spend a bit of time in this article trying to help show you how to survive the command line in linux. For starters, don’t think that linux is a command line only operating system. In some installs, the administrator may not want a gui, but there are some VERY functional and full featured graphical interfaces for linux. For me though, if you know what you want to accomplish, the command line can be a much more efficient way to “get the job done” for many tasks.
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Scheduling tasks in linux – the at command
I did an article a while back about cron and scheduling tasks in linux (I also mentioned kron which is a graphical interface for cron scheduling…). That works well and good for things that happen on a recurring basis, but the next question is what if I want to schedule a command (or series of commands) to happen once and not again? Well, to tell the truth I’ve used cron for this on occasion, being sure to revisit the crontab and remove the entry before it repeats again, but there is a better way. At.
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Urgent AOL update
This sounds like a serious vulnerability. The SecurityFix is reporting on a very serious vulnerability in AOL.
The problem affects AOL version 8.0, AOL version 8.0+, and AOL version 9.0 Classic.
The vulnerability could allow a remote attacker to take control of a users PC. Basically, all that would be needed is for the AOL user to visit a specially crafted web page.
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Running kontact components standalone
Not long ago, I switched from Evolution to Kontact as my primary mail/calendar/addressbook/etc…. program under linux. One of the nice things about the Kontact suite is that you can either open up the “umbrella” application kontact or, the individual applications. I like the fact that they can still be used standalone. So, I was a bit frustrated to find every link for each of the components to bring up the “umbrella” kontact application, instead of the standalone….
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WMF patch is the first patch for Microsoft Vista
It seems the WMF patch that was recently released for Windows 2000 and XP (and 2003) has been ported to Microsoft Windows Vista Beta…. This makes it the first security patch for Vista. eweek has an article on the issue. So, if you’re beta testing Vista, get it updated ASAP. Hopefully though, if you’re beta-testing it’s not a production machine and no great loss if you get infested with beaucoup spyware….
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Direct links to international broadcasters audio streams
I’ve posted several things over at the onlineradiotv.com site. For starters I’ve got links to a few international (shortwave) broadcasters live audio streams and where available their “latest” english news update (and in some cases spanish and other languages.) I’ve also started posting some bash scripts there that can directly start mplayer streaming a feed.
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Another Win98 patch for WMF vulnerability
There’s another patch for those Win98 users that are nervous about the WMF vulnerability that was announced at the tail end of the year. This site has made the patched version of gdi32.dll available to any and all. Their patch is open source. They basically say “it works for them…” no warranties. Steve Gibson has also said that he’ll be writing a Win9x patch.
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Hacking with Google (and without Google.)
I found a couple of interesting presentations on network security related topics. Primarily these are about using the internet and search engines for gathering information on specific “targets”. Their very interesting from a “self analysis” point of view as well.