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Hi all,
I am very new to linux and recently i installed fedora 8 in my PC.In the beginning performance is good.However now a days my PC is a bit slow.I was unable to find the reason.Actually there is no anti virus in my system.How can i find that my system got affected with virus and suggest me good anti virus for linux.What is the probability of virus attacks in linux when compared to other OS's.Waiting for your valuable reply.
Thanks
the likelihood that you have a virus is extremely small to non-existent. most likely something is misconfigured or you are having some other system problem. when you say "a bit slow," do you mean the actual OS, or the GUI? it could be a video card/X issue, for example.
One initial thing you could do is run the top utility by typing top in a terminal, and then watching to see what running processes might be using up your CPU cycles.
another thing off the top of my head is that you could check to make sure your disk/s have the right settings, have DMA enabled, etc. hdparm -i /dev/hda or /dev/sda as root should tell you that.
to check memory/swap usage, use the free command (or free -m).
These commands are run from the cli.
I would use the 'hdparm -I /dev/your_device' where 'your_device' can be either hda,hdb,hdc, hdd for ide device or sda,sdb,sdc,sdd for SCSI or SATA.
Code:
except from 'man hdparm';
-i Display the identification info that was obtained from the drive
at boot time, if available. This is a feature of modern IDE
drives, and may not be supported by older devices. The data
returned may or may not be current, depending on activity since
booting the system. However, the current multiple sector mode
count is always shown. For a more detailed interpretation of
the identification info, refer to AT Attachment Interface for
Disk Drives (ANSI ASC X3T9.2 working draft, revision 4a, April
19/93).
-I Request identification info directly from the drive, which is
displayed in a new expanded format with considerably more detail
than with the older -i flag.
The 'i' option is used to get drive information that was at boot time with the 'I' getting the information from the drive.
Have you installed any software recently or do you have enough
Ram? *we need more information to help you
I don't think that it is a virius
There is more virius's for Linux than FanClubs for Bill G
the only problem is that there is no virius's for linux
By default Fedora comes with a ton of stuff turned on. As this "junk" accumulates stuff (log files, etc) it can cause "issues". You might also want to provide "yum repolist" as about half the issues I see with Fedora are related to mixing repos.
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