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rsync exclusions
by ML 06 Oct '09

06 Oct '09

Hi All, I am using rsync and I see --exclude as an option. But it says --exclude pattern? So how can I do an rsync on '/' except exclude /home/nackup? I am doing: rsync -avx / /mnt/sdb2/ can I simply do: rsync -avx --exclude=/home/backup / /mnt/sdb2/ -ML

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ifconfig showing same mac for 2 nics in same bond
by aurfalien＠gmail.com 06 Oct '09

06 Oct '09

Hi all, I just noticed that my two nics that are bonded via mode 0 are showing the same mac addy in ifconfig. Is this normal? In syslog I keep getting; kernel: pbond0: received packet with own address as source address Some guidance is appreciated before I dive in and troubleshoot. If I don't list the mac addy in my ifcfg-th# files, only one of the 2 nic comes up during boot. uname; 2.6.18-128.7.1.el5xen /etc/modprode.conf alias eth0 tg3 alias eth1 tg3 alias eth2 forcedeth alias eth3 forcedeth alias scsi_hostadapter2 mptsas alias scsi_hostadapter mptspi alias scsi_hostadapter1 mptfc alias scsi_hostadapter2 mptsas alias bond0 bonding options bond0 miimon=80 mode=0 alias peth0 tg3 /etc/sysconfig/network-scripts/ifcfg-eth0 # Broadcom Corporation NetXtreme BCM5715 Gigabit Ethernet DEVICE=eth0 BOOTPROTO=none USERCTL=no HWADDR=00:23:8B:CE:9C:5C ONBOOT=yes MASTER=bond0 SLAVE=yes TYPE=Ethernet /etc/sysconfig/network-scripts/ifcfg-eth1 # Broadcom Corporation NetXtreme BCM5715 Gigabit Ethernet DEVICE=eth1 BOOTPROTO=none USERCTL=no HWADDR=00:23:8B:CE:9C:5D ONBOOT=yes MASTER=bond0 SLAVE=yes TYPE=Ethernet /etc/sysconfig/network-scripts/ifcfg-bond0 DEVICE=bond0 IPADDR=10.0.70.11 NETMASK=255.255.0.0 NETWORK=10.0.0.0 BROADCAST=10.0.255.255 GATEWAY=10.0.10.1 ONBOOT=yes BOOTPROTO=none USERCTL=no TYPE=Ethernet ifconfig output; bond0 Link encap:Ethernet HWaddr 00:23:8B:CE:9C:5C inet addr:10.0.70.11 Bcast:10.0.255.255 Mask:255.255.0.0 inet6 addr: fe80::223:8bff:fece:9c5c/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:10714 errors:0 dropped:0 overruns:0 frame:0 TX packets:386 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1157674 (1.1 MiB) TX bytes:37307 (36.4 KiB) eth0 Link encap:Ethernet HWaddr 00:23:8B:CE:9C:5C UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:5618 errors:0 dropped:0 overruns:0 frame:0 TX packets:192 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:694966 (678.6 KiB) TX bytes:20541 (20.0 KiB) Interrupt:21 eth1 Link encap:Ethernet HWaddr 00:23:8B:CE:9C:5C UP BROADCAST RUNNING SLAVE MULTICAST MTU:1500 Metric:1 RX packets:5570 errors:0 dropped:0 overruns:0 frame:0 TX packets:191 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:685771 (669.6 KiB) TX bytes:19584 (19.1 KiB) Interrupt:22 lo Link encap:Local Loopback inet addr:127.0.0.1 Mask:255.0.0.0 inet6 addr: ::1/128 Scope:Host UP LOOPBACK RUNNING MTU:16436 Metric:1 RX packets:2111 errors:0 dropped:0 overruns:0 frame:0 TX packets:2111 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:5464730 (5.2 MiB) TX bytes:5464730 (5.2 MiB) pbond0 Link encap:Ethernet HWaddr 00:23:8B:CE:9C:5C inet6 addr: fe80::223:8bff:fece:9c5c/64 Scope:Link UP BROADCAST RUNNING MASTER MULTICAST MTU:1500 Metric:1 RX packets:11188 errors:0 dropped:0 overruns:0 frame:0 TX packets:383 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:1380737 (1.3 MiB) TX bytes:40125 (39.1 KiB) virbr0 Link encap:Ethernet HWaddr 00:00:00:00:00:00 inet addr:192.168.122.1 Bcast:192.168.122.255 Mask: 255.255.255.0 inet6 addr: fe80::200:ff:fe00:0/64 Scope:Link UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1 RX packets:0 errors:0 dropped:0 overruns:0 frame:0 TX packets:6 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:0 RX bytes:0 (0.0 b) TX bytes:468 (468.0 b)

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Huge!
by ML 06 Oct '09

06 Oct '09

Hi All, I was trouble shooting why an rsync was taking over a day. I found the problem to be in in a directory in /home that has CVS backups in it. I browsed to find out that there are 7 .tar.gz archives that are each about 1199943181 in size. So that is over 11gb each? If I am doing the math in my head right.... No wonder why this is taking forever to rsync to a USB drive. It was only on the second of 7 and I started it at 2pm yesterday and it was not done/going this morning.... -ML

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More about firewalling
by ML 06 Oct '09

06 Oct '09

Hi All, So before when I used PIX's for my employer, our traffic was statically routed to one IP and then the firewall decided if allowed/ denied and passed it on or dropped it. I have a Comcast business circuit with 13 IP's. The gateway device they provide is a 'pass through' device. They sent traffic for all 13 IP's my way. It just allows traffic through. So if I put in a device to firewall (like Ipcop or Vyatta or something) in front, say it has 3 NICS, how do I do that? If the Firewall has IP A and Traffic for IP B comes in how would IP A answer and decide if the traffic to IP B belonged? Without statically routing I am confused on how to accomplish this? How fast does this device need to be? Best, -Jason

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Re: [CentOS] Bond Issues
by nate 06 Oct '09

06 Oct '09

Joseph L. Casale wrote: > I have a machine I just deployed w/ tg3 interfaces, I have setup bonding > on this same line of server (HP DL380 G4) a million times. I saw there were > changes recently to how you configure a bond and have my setup configured > according to: http://kbase.redhat.com/faq/docs/DOC-7431 Can you post the contents of /proc/net/bonding/bond0 too? nate

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Bond Issues
by Joseph L. Casale 06 Oct '09

06 Oct '09

I have a machine I just deployed w/ tg3 interfaces, I have setup bonding on this same line of server (HP DL380 G4) a million times. I saw there were changes recently to how you configure a bond and have my setup configured according to: http://kbase.redhat.com/faq/docs/DOC-7431 The HP switch has a LACP trunk defined on the two ports. Problem is, when rebooting, I need to issue a `service network restart` to gain connectivity? There is nothing in messages that looks wrong? Anyone have an idea? kernel: Ethernet Channel Bonding Driver: v3.4.0 (October 7, 2008) kernel: bonding: Warning: either miimon or arp_interval and arp_ip_target module parameters must be specified, otherwise bonding will not detect link fail kernel: bonding: bond0: setting mode to 802.3ad (4). kernel: bonding: bond0: Setting MII monitoring interval to 500. kernel: ADDRCONF(NETDEV_UP): bond0: link is not ready kernel: bonding: bond0: Adding slave eth0. kernel: bonding: bond0: enslaving eth0 as a backup interface with a down link. kernel: bonding: bond0: Adding slave eth1. kernel: bonding: bond0: enslaving eth1 as a backup interface with a down link. kernel: tg3: eth0: Link is up at 1000 Mbps, full duplex. kernel: tg3: eth0: Flow control is off for TX and off for RX. kernel: bonding: bond0: link status definitely up for interface eth0. kernel: tg3: eth1: Link is up at 1000 Mbps, full duplex. kernel: tg3: eth1: Flow control is off for TX and off for RX. kernel: bonding: bond0: link status definitely up for interface eth1. kernel: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready #cat /etc/sysconfig/network-scripts/ifcfg-eth0 # Broadcom Corporation NetXtreme BCM5704 Gigabit Ethernet DEVICE=eth0 BOOTPROTO=none HWADDR=00:14:C2:C2:BB:13 ONBOOT=yes MASTER=bond0 SLAVE=yes USERCTL=no eth1 looks similar... # cat /etc/sysconfig/network-scripts/ifcfg-bond0 # Bond with tg3 based BCM5704 nics eth0 and eth1 DEVICE=bond0 BOOTPROTO=none IPADDR=192.168.0.14 NETMASK=255.255.255.0 NETWORK=192.168.0.0 ONBOOT=yes USERCTL=no PEERDNS=no BONDING_OPTS="mode=4 miimon=500" # cat /etc/modprobe.conf alias bond0 bonding alias eth0 tg3 alias eth1 tg3 alias scsi_hostadapter cciss alias scsi_hostadapter1 ata_piix alias scsi_hostadapter2 usb-storage alias ipv6 off alias net-pf-10 off

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CentOS-announce Digest, Vol 56, Issue 1
by centos-announce-request＠centos.org 06 Oct '09

06 Oct '09

Send CentOS-announce mailing list submissions to centos-announce(a)centos.org To subscribe or unsubscribe via the World Wide Web, visit http://lists.centos.org/mailman/listinfo/centos-announce or, via email, send a message with subject or body 'help' to centos-announce-request(a)centos.org You can reach the person managing the list at centos-announce-owner(a)centos.org When replying, please edit your Subject line so it is more specific than "Re: Contents of CentOS-announce digest..." Today's Topics: 1. CESA-2009:1471 Important CentOS 4 i386 elinks Update (Johnny Hughes) 2. CESA-2009:1471 Important CentOS 4 x86_64 elinks Update (Johnny Hughes) ---------------------------------------------------------------------- Message: 1 Date: Tue, 06 Oct 2009 06:12:59 -0500 From: Johnny Hughes <johnny(a)centos.org> Subject: [CentOS-announce] CESA-2009:1471 Important CentOS 4 i386 elinks Update To: CentOS-Announce <centos-announce(a)centos.org> Message-ID: <4ACB263B.4060701(a)centos.org> Content-Type: text/plain; charset="iso-8859-1" CentOS Errata and Security Advisory 2009:1471 Important Upstream details at : http://rhn.redhat.com/errata/RHSA-2009-1471.html The following updated files have been uploaded and are currently syncing to the mirrors: SRPMS: elinks-0.9.2-4.el4_8.1.src.rpm i386: elinks-0.9.2-4.el4_8.1.i386.rpm

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How fast?
by ML 06 Oct '09

06 Oct '09

HI All, How fast does a a small DNS Server need to be? I will have about 10 servers and a few workstations. I have a few older Compaq PIII boxes with 1gb RAM each or I have faster P4 boxes. Same question as above, just a Vyatta type device, Firewalling....? -ML

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Re: [CentOS] How fast?
by Warren, Eucke 06 Oct '09

06 Oct '09

-----Original Message----- > From: centos-bounces(a)centos.org [mailto:centos-bounces@centos.org] On Behalf Of Sorin Srbu > Sent: Tuesday, October 06, 2009 12:23 AM > To: 'CentOS mailing list' > Subject: Re: [CentOS] How fast? > If I may suggest Smoothwall for a firewall appliance...? This is a specialty distro, IPCop is another similar distro. Smoothwall's even got a simple > static DNS built-in, just the thing for a smallish home network. Might be just what the OP is looking for? > -- > /Sorin I'll throw in a second for Smoothwall. If you want to get really fancy there's a ton of firewall options available within their homebrew community. Just about any feature you could want in a firewall is available there. Eucke

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bsd mkfile command in centos - a wish
by aurfalien＠gmail.com 05 Oct '09

05 Oct '09

I enjoy the convenience of mkfile command found in Irix and BSD based distros. This command allows me to make files of any size; usage: mkfile [-nv] size[b|k|m|g] filename ... I've looked here and there and can't seem to find it for Centos. Any one have ideas on were I can get at least the source for it? I got something off a BSD ports page but its for BSD type systems.

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