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Under Windows, I have used RODBC to connect to Excel spreadsheets as per the example below: library(RODBC); connect = odbcConnectExcel("testdata.xls"); query = "SELECT [data$.ethn], [data$.sex], [data$.age], [data$.height], [data$.weight], [label$.label] FROM [data$], [label$] WHERE [data$.ethn] = [label$.ethn];" data = sqlQuery(connect, query); odbcClose(connect); [data$] and [label$] are two named sheets in the Exc...

Hello all, Got myself the Linux Advanced Routing & Traffic control book http://lartc.org/howto/ All the commands in the guide do not survive reboots. Could someone point me in the right direction, where I can find CentOS/Redhat specific documentation on the whole /etc/sysconfig/network* setup? Kind regards, Coert Waagmeester

Hi all, It's possible to create an alias of a device? Something like a device loN that all it's traffic is send to ethN, so ethN and loN are equivalent. It's for a bridged setup, i'm not trying to setup another IP on a device. Thanks! Jordi -- ...................................................................... __ / / Jordi Prats C E / S / C A Dept. de Sistemes /_...

Hi list, I'm trying Centos7 and using systemD. I've noticed that interfaces name does not have anymore eth0,eth1, ethN but a different name. What do you think about predictable network if name assigned by systemd?

I''m converting my network from a "one interface per segment" to a "single connection with vlans", well, some hardware I have requires using different vlan IDs. suffice it to say I need bridges to connect a few different vlans that should all be one but can''t be because of firmware constraints. so my first step is to get shorewall to know about bridges.

Package: xen-utils-4.17 Version: 4.17.1+2-gb773c48e36-1 Severity: important Dear Maintainers, On one of our domUs we discovered that the network interface names were wrongly assigned since recreating the domU after an upgrade to bookworm. If over 10 network interfaces are configured the mapping (dom0) vifX.10 <-> eth10 (domU) does not apply anymore. Instead the interfaces on dom0 are

I have read a few ways to do this, but not 100% sure. I need the interfaces reliably associated to the hardware (there are more than one), so the ifcfg-ethn has the mac address in it. I need to match the mac address of an old router that is about to be removed so I need not change any dns related config. Thanks! jlc

...TX packets:70 errors:0 dropped:0 overruns:0 carrier:0 collisions:0 txqueuelen:1000 RX bytes:26575 (25.9 KiB) TX bytes:6104 (5.9 KiB) Interrupt:87 Base address:0x6000 The assigned MAC addr for eth0 is: 02:c3:04:01:77:c3 The tutorials that I have found on ifcfg-ethN say not to use both hwaddr and macaddr in the same cfg file, but it almost seems that is what is needed? thanks

...3.4 this is no longer the default configuration. I created a simple ''network-script'' with: #!/bin/sh dir=$(dirname "$0") "$dir/network-bridge" "$@" vifnum=0 netdev=eth0 bridge=xenbr0 ... "$dir/network-bridge" "$@" vifnum=N netdev=ethN bridge=xenbrN What else do I need to do to get the virtual copies of ''ethX'' back on my dom0? Thanks! -- Digimer E-Mail: linux@alteeve.com AN!Whitepapers: http://alteeve.com Node Assassin: http://nodeassassin.org _______________________________________________ Xen-u...

Hello, We encountered a problem while testing SRIOV on kubevirt [1]: We are currently using the Device "hostdev" generic options to pass-through the VF to the guest. It is not done through the "interface" (with type hostdev) because that option requires access to the PF which is not available in our case (the VF is moved to the container namespace where libvirt runs, but not

...one motherboard, but as enp3s0 and > enp4s0 on the other! So, one network config wasn?t being applied, and the > second was being applied to the wrong NIC. > > And here I thought the point of [CNDN][1] was to make such replacements > more reliable than the plug-and-pray logic behind ethN. One of the reasons why I hate the new naming scheme. It was also easy in the past to always monitor eth0, eth1 on a server, now you always have to first find out how the devices are named. I don't see progress here, I see a step back only. Maybe that's only me :-) Regards, Simon

We had a complaint recently from a customer that received a server we shipped out that their monitor just showed a black screen. It turns out that they?d hooked it up to an ancient POS with 800x600 as its best resolution, and gdm in CentOS 7 apparently assumes at least 1024x768. It was apparently a major hassle for them to hunt down a reasonable monitor for us. Since we almost never use the GUI

> Hi. what creates veth0 and vifu.0, when? what''s the > underlying architecture behind them? Just trying to > understand the internals. netback/loopback.c creates them. It''s effectively a point to point link, allowing domain 0 to connect on to the bridge in the same manner that other domains do. (before, packets to domain 0 were short-cutted and came off the

I just added 802.1Q VLAN support to redhat initscripts. And after support was ready, I tried to restart shorewall. Well it blew into pieces. Seems like shorewall can''t handle device names like: eth0.3 very properly. That''s default naming of vlan devices. eth1 is master device and 3 is id of my test vlan. So when I added to interfaces line: home eth0.3 detect seems like

Hello, I use Julian Anastasov ''routes'' (to be more specific: static_routes, alt_routes and nf_reroute) patches on a 2.4.32 kernel. On the same host I run IPSec. I have discovered after a few hours of networking problems that, when IPSec is enabled on that patched kernel, inspecting packets with tcpdump while arping-ing a host from a network physically connected to this

Hey all I''m new to Linux and Virtualizing. I''m trying to dedicate my nic''s to each virtual server. For instance, virt server A would use nic1 and virt server B would use nic2 and so on. I''ve been reading some stuff for this list and to tell you the truth I''m a bit overwhelmed. We are going to run SLES10.1 and Xen. I would appreciate any assistance.

...CHANGE): eth0: link becomes ready ADDRCONF(NETDEV_CHANGE): eth0.543: link becomes ready ADDRCONF(NETDEV_CHANGE): eth0.820: link becomes ready e1000e: eth1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: None ADDRCONF(NETDEV_CHANGE): eth1: link becomes ready The MTU is set as usual in the ifcfg-ethN files as 'MTU=1576', e.g. I tried with kernel 2.6.18-194.8.1.el5.028stab070.2 (OpenVZ) as well as the vanilla CentOS kernels 2.6.18-194.8.1.el5 and 2.6.18-194.11.1.el5 -- same problem. Has anybody an idea what goes wrong here? Thanks, Timo - --- 0d:00.0 Ethernet controller: Intel Corp...

...the second as enp3s0 on one motherboard, but as enp3s0 and enp4s0 on the other! So, one network config wasn?t being applied, and the second was being applied to the wrong NIC. And here I thought the point of [CNDN][1] was to make such replacements more reliable than the plug-and-pray logic behind ethN. This is the sort of reason why I need non-Linux sysadmin types to be able to change IPs in the field. [1]: https://en.wikipedia.org/wiki/Consistent_Network_Device_Naming

On 21/02/06, Bráulio Gergull <gergull@getnet.com.br> wrote: > Hi, > > I''ve had a similar problem. I found it to be due to crc checksum errors. > > I solved that with "ethtool -K ethN tx off" on all domU''s. > > I found some related info on the following thread: > > http://lists.xensource.com/archives/html/xen-users/2006-01/msg00088.html Interesting. I wonder if this checksum issue is causing the similar problem with NFS in domU. This whole issue: htt...

I stood up a samba 4 (4.0.10) Active Directory domain controller on a Debian Wheezy server, configured in accordance with the SambaAD DC HOWTO <https://wiki.samba.org/index.php/Samba_AD_DC_HOWTO> . I'm trying to join a Windows 7 Enterprise Edition client to the domain. Windows responds with: Error while attempting to join the domain "MYDOMAIN": Fails when trying to resolve