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Info about the NIC
by Tronn Wærdahl 20 Mar '08

20 Mar '08

If you do a ifconfig eth0 you get some info about the eth0 nic eth0 Link encap:Ethernet HWaddr 00:02:B3:63:EF:43 inet addr:x.x.x.x Bcast:x.x.x.x Mask:x.x.x.x UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:1166 errors:0 dropped:0 overruns:0 frame:0 TX packets:268 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:100 RX bytes:104255 (101.8 Kb) TX bytes:19936 (19.4 Kb) Interrupt:5 Base address:0x2000 I wounder about RX bytes and TX bytes, what does it mean, how does it collect its data How often does it zero the counters, every boot, hour or somethings else?. Is the information reliable Thanks Tronn

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Re: [CentOS] clarifications
by James B. Byrne 20 Mar '08

20 Mar '08

Reply-To: <47DD3688.2000507(a)netoyen.net> Sam Drinkard wrote: > Hello all, > > I've been trying to get spamassassin and clamav working, but got > really confused when I realized there are various incarnations of the > software. Originally, I started out with just spamassassin, but > learned there is also an SA-milter. Can someone tell me which of the > various spam fighting packages i.e., sa, sa-milter, clamav, > clamave-milter, and so forth? Welcome to the club. Setting up anti-spam and anti-virus software can be a very tedious process. I tried various approaches over a period of months before hitting upon our current solution. We now use MailScanner to integrate spamassassin and clamav into our sendmail MTA. This seems to be the least burdensome from a maintenance point of view and still provides a useful degree of configurability . The MailScanner people can also point you to a reasonable fee for service organization to assist you in setting things up.. HTH -- *** E-Mail is NOT a SECURE channel *** James B. Byrne mailto:ByrneJB@Harte-Lyne.ca Harte & Lyne Limited http://www.harte-lyne.ca 9 Brockley Drive vox: +1 905 561 1241 Hamilton, Ontario fax: +1 905 561 0757 Canada L8E 3C3

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what is this address meaning?
by ann kok 20 Mar '08

20 Mar '08

Hi I read the eth1 and have this ip address it is automatically assigned from system inet addr:0.0.0.6 Bcast:255.255.255.255 What is this address meaning? eth1 Link encap:Ethernet HWaddr 00:1B:21:07:A5:94 inet addr:0.0.0.6 Bcast:255.255.255.255 Mask:0.0.0.0 inet6 addr: fe80::21b:21ff:fe07:a594/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:3944052 errors:0 dropped:0 overruns:0 frame:0 TX packets:4959117 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:2610056956 (2.4 GiB) TX bytes:4864161519 (4.5 GiB) Base address:0xec00 Memory:fdc00000-fdc20000 ____________________________________________________________________________________ Never miss a thing. Make Yahoo your home page. http://www.yahoo.com/r/hs

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How to prevent installer using disk labels?
by tony＠softins.clara.co.uk 20 Mar '08

20 Mar '08

Is there any way, when installing CentOS (or any RH-based distro), to prevent it from using disk labels in /etc/fstab and /boot/grub/grub.conf, and to force it to just use the actual device names? For testing purposes, I am installing two different CentOS versions in different partitions, and am having to change from labels to device names by hand, and re-label the disks, in order to avoid the boot process getting confused between the filesystems. Cheers Tony -- Tony Mountifield Work: tony(a)softins.co.uk - http://www.softins.co.uk Play: tony(a)mountifield.org - http://tony.mountifield.org

2 2

Move hard disk to a new machine
by Truejack 20 Mar '08

20 Mar '08

I work for a government organization here in India. I am sort of new to CentOS & Linux. We have a 1TB disk in one of our machines that needs to be moved to a new server. How can I do that without losing any of the data? The whole drive is mounted onto a single file system (/software). I would like to move the drive onto our new server. Thanks in advance.

4 4

First official release candidate of the com.oonics open shared root cluster installation DVD is available (RC3)
by Marc Grimme 20 Mar '08

20 Mar '08

Hello, we are very happy to announce the availability of the first official release candidate of the com.oonics open shared root cluster installation DVD (RC3). The com.oonics open shared root cluster installation DVD allows the installation of a single node open shared root cluster with the use of anaconda, the well known installation software provided by Red Hat. After the installation, the open shared root cluster can be easily scaled up to more than hundred cluster nodes. You can now download the open shared root installation DVD from www.open-sharedroot.org. We are very interested in feetback. Please either file a bug or feature or post to the mailinglist (see www.open-sharedroot.org) More details can be found here: http://www.open-sharedroot.org/news-archive/availability-of-first-beta-of-t…. Note: The download isos are based on Centos5.1! Have fun testing it and let us know the outcome. -- Gruss / Regards, Marc Grimme http://www.atix.de/ http://www.open-sharedroot.org/

1 0

Intel SATA controller (cmiiw) not recognized by Centos 5.1 installation?
by Yu-Hui Jin 20 Mar '08

20 Mar '08

Hi, there, I tried to install Centos 5.1 on a Dell Inspiron 530 box I just bought, but failed due to invalid drive. The installation did not recognize either the DVD nor the hard disk. Joseph from the community said it is likely that Centos can't recognize the controller -- Intel SATA controller (cmiiw). Did anyone solve this problem before? How did you do it? Here's the related configuration for my box: Inspiron 530 Intel Core2 processor Q6600 (2.40Ghz 1066FSB) w/Quad Core Technology and 8MB cache SATA 0: Samsung HD501LJ (500GB Serial ATA II Hard Drive(7200RPM)) SATA 1: PDBS DVD +/- RW DH-16W1S (16X DVD+/-RW Drive) Many thanks! regards, -Hui

7 18

mail_always fails in CentOS 5
by Eric DuToit 20 Mar '08

20 Mar '08

I'm using the same sudoers file for all hosts. Out of 35 hosts, 14 are CentOS 5, the rest are CentOS 4. There are mixtures of MTA's on both platforms but the behavior is consistent. Here is the snip of my sudoers: Defaults mail_always Defaults mailto="mail(a)domain.com" Works fine in CentOS 4, doesn't even produce a blip in the maillog in CentOS 5 on all servers. Outbound mail tested and working on all boxes. Does anyone else see this behavior?

1 0

which open source wiki CMS?
by Simon Jolle sjolle 20 Mar '08

20 Mar '08

Hi Centos Users I am searching for an Open Source Wiki CMS based on PHP/MySQL. There are so much out there, thats why feel free to share you experience. Please review your favorite Wiki software. Code quality, security, features and continuous, stable development. cheers Simon

6 6

Incremental backups?
by Scott R. Ehrlich 20 Mar '08

20 Mar '08

So I thought I'd get a head start for next week - I have a low-power Linux box that has a few samba shares mounted, and limited hard disk space. This box is connected to a tape library via SCSI card. I want to find the best way to create a full, then incremental backup of the samba mounts, directly to tape. Some of the samba mounts are appliances that cannot run any special client/agent. I'm looking at tar as an option, with its --incremental switch. Bacula uses a mysql database. I tried setting it up and it was not so easy, so I opted to use my time for other tasks. Same for Amanda. I would use dump, but samba connections are not device files. How about rsync? The tape library is LTO3 with hardware compression available. Google searching just now doesn't make rsync directly to tape too hopeful. What are the simplest options for incrementals based on date/time modified? Thanks. Scott

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