Along the way on my permissions nightmare last night, I made matters worse by changing permissions on a fairly important file. In order to fix that I was going to need to reboot from a boot disk. The only problem was boot floppys typically don’t come with reiserfs support (only the boot cds I’ve found have that.) AND my server has for some time refused to boot from the CD. Now, the BIOS will let you choose CD as the first boot device but it promptly decides that there is a “BIOS checksum mismatch” and reloads the defaults which leaves you booting from floppy, then hard drive…. Now, I’ve changed the CMOS battery twice within a 2 month span and I think the longest things lasted were about a week before it reverted to that “BIOS checksum mismatch” (For those of you smart enough to suggest I replace the CMOS battery.) Now, it could be that the battery I replaced with had expiired it’s shelf life already I suppose. But….
Month: October 2006
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Linux Permissions Headache
Yikes, what an evening….. it started innocently enough in the afternoon. I have an old Mandrake 10.0 server that I was upgrading clamav on (recent security update). While I was at it, I was reviewing the anti-spam setup to see if I could get any better success with filtering junk mail. spamassassin has had an update since I updated this one last and also it seemed that dcc was installed, but not in active use *(no indications that it’s being used at all.) So, I set about trying to fix that and install the latest spamassassin. Somehere along the way something BAD happened. In retrospect, I’m not entirely sure how, but at one point I was root having just installed the rpms for spamassassin and then exited to my user account. Promptly on switching back to my user account I got a “permission denied” error. Eh? Ok, well let’s su again and see what’s up…. “permission denied” uh oh…. ls “permission denied” most everything actually….. permission denied.
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Clamav 0.88.5
Clamav antivirus software – multiple security issues addressed with release of 0.88.5
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VMware server usb devices not listed on Mandriva host
I’ve been using vmware server quite a bit of course, I’ve mentioned it before. I had never played around with accessing a usb device in the guest environment though. When I tried (host operating system is Mandriva 2006)…. nothing was listed, in spite of several devices being plugged in (and unmounted from the host.) So, I looked around and found that according to this…. that vmware feature requires USBFS to be mounted on /proc/bus/usb …. Some systems that don’t do this by default are…. Ubuntu Linux 6.06, SUSE Linux 10.1, SUSE Enterprise Linux Server 10, Mandriva Linux 2006, SLES9 SP3 64 bit……………. so how do you fix it?
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Clearing the deck….
As you mgiht can tell, I’ve been trying to “clear the deck” of posts that I’ve been meaning to put up. Some are just links to several pages that I’ve kept up for a few days because it was interesting. But just so you know we’re in the midst of a post flood.
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CLI Magic with curl
I saw this great article from enterprise.linux.com giving some good ideas on some of the interesting things that can be done with curl. (Curl is a command line application for accessing URL’s (web/ftp/etc.))
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Would you like spyware with that? Apple too….
These stories come up from time to time. A free giveaway of some sort and it turns out that there’s spyware or a virus embedded, company gives a big “whoops” and fixes things by replacing them…. McDonalds had a promotion going where up to 10,000 people could win a flash based mp3 player they also received a trojan horse preinstalled…. They’ve apologized and are swapping the infected players and giving information on how to clean up a pc with the keylogger. According to f-secure it was infected with the QQPass password-stealing trojan. Just imagine how things would have turned out if the Greeks had looked that gift horse from the trojans in the mouth first…..
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*Nix Nvidia binary root exploit
There appears to be a working root exploit against the binary NVidia driver for *nix based systems. It’s reported at kerneltrap.org It was resolved a few weeks back by the release of version 1.0-9625 of the Nvidia binary graphic driver. Linux has been primarily mentioned in these stories, but likely other Unixes (Unices)? are affected as well. (Since it seems to be the binary driver from Nvidia at fault.)
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Firefox 2.0 RC3 out
Baring big problems, the final release candidate for the new 2.0 version of Mozilla Firefox is out reported here and here.
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Meta tag analyzer
Meta tags are not as useful as they once were, but…. if you’re still trying to make sure that your description and keywords tags are done right (and match the consistency of the page) you might want to look at this metatag analyzer. It also looks at the text on the page to give you the frequency of keywords.