Discuss June 2018

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93 participants
86 discussions

Re: [CentOS] Semi-OT: ipmitool or ipmicfg: set BMC to use NIC 2
by mark 30 Jun '18

30 Jun '18

Date: Wed, 27 Jun 2018 20:45:44 -0400 From: Jonathan Billings <billings(a)negate.org> > On Wed, Jun 27, 2018 at 05:14:06PM -0400, mark wrote: > >> I do see one option of "defgw macaddr" - is that supposed to be a MAC >> external to the server, or can I use the MAC of eth1 (or whatever the >> stupid, unrememberable name is)? > > As mentioned earlier, the BMC is a different MAC from any interface > you might see from the OS side. Think of it as a separate computer that > shares a physical network port (assuming it doesnt have a dedicated port). > Imagine what would happen if you put two devices on the network with > the same MAC. You don't want to do that. defgw macaddr is for setting > what it thnks the Default Gateway's MAC address is. > > You will need to set the IP, netmask and gateway using the appropriate > tool (I prefer ipmitool). keep in mind that because the device shares a > port you most likely wont be able to use IPMI to talk over the LAN to the > device from the OS on the same box. It's the end of the week, and maybe I'm being dense, but I still don't get it: how do I tell the BMC to use eth1? Do I give it eth1's MAC address as a gateway? mark

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Replacement web server time - catalog CPAN and PEAR installs
by Gary Stainburn 29 Jun '18

29 Jun '18

I'm looking to replace an OLD Fedora web server with a Centos 7 one. I'm currentlly in the process of documenting what is on the server ready to install the new one. While most things have been done with RPMs, some installs have had to be done via CPAN for Perl and PEAR for PHP. Is there a way of getting a list of everything that has been installed using these tools?

3 3

VMWare Workstation 14 on CentOS7
by wwp 29 Jun '18

29 Jun '18

Hello there, I'm encountering blocking issues with VMWare Workstation v14/v12 on CentOS 7. The issue is that any Linux guestsystem will get network-disconnected after a short while. I tried w/ brand new guest installs, guests coming from a v12 WS. Tried different guest network settings, I always get disconnected. I found several cases like this on the Web, but couldn't see any working solution yet. My CentOS7 runs 4.9.75-204.el7.centos.x86_64 kernel. On my previous CentOS 6, still alive, v12 works like a charm. Does anyone have experience with this? Regards, -- wwp

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No DEV for USB to mount
by vadud3＠gmail.com 28 Jun '18

28 Jun '18

I do not see /dev/sd* for this USB Jun 27 17:53:54 host.example.net kernel: : usb 4-9: new high speed USB device number 3 using xhci_hcd Jun 27 17:53:54 host.example.net kernel: : usb 4-9: New USB device found, idVendor=0781, idProduct=5567 Jun 27 17:53:54 host.example.net kernel: : usb 4-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jun 27 17:53:54 host.example.net kernel: : usb 4-9: Product: Cruzer Blade Jun 27 17:53:54 host.example.net kernel: : usb 4-9: Manufacturer: SanDisk Jun 27 17:53:54 host.example.net kernel: : usb 4-9: SerialNumber: 4C531001540830113153 Jun 27 17:53:54 host.example.net kernel: : usb 4-9: configuration #1 chosen from 1 choice Jun 27 17:54:09 host.example.net kernel: : usb 4-9: USB disconnect, device number 3 Jun 27 17:54:32 host.example.net kernel: : usb 4-12: new high speed USB device number 4 using xhci_hcd Jun 27 17:54:32 host.example.net kernel: : usb 4-12: New USB device found, idVendor=0781, idProduct=5567 Jun 27 17:54:32 host.example.net kernel: : usb 4-12: New USB device strings: Mfr=1, Product=2, SerialNumber=3 Jun 27 17:54:32 host.example.net kernel: : usb 4-12: Product: Cruzer Blade Jun 27 17:54:32 host.example.net kernel: : usb 4-12: Manufacturer: SanDisk Jun 27 17:54:32 host.example.net kernel: : usb 4-12: SerialNumber: 4C531001540830113153 Jun 27 17:54:32 host.example.net kernel: : usb 4-12: configuration #1 chosen from 1 choice Looking for a suggestion on how do mount this USB -- Asif Iqbal PGP Key: 0xE62693C5 KeyServer: pgp.mit.edu A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing?

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multipath recipe for an enclosure ?
by lejeczek 28 Jun '18

28 Jun '18

hi guys, In hope that some experts roam around I post this one question - how do you multipath disks(all disks) that sit in one specific SAS enclosure? Blacklist everything else. And I'm hoping for something like "globing", so you do not want to go through it on by single disk/wwin basis. some experts?(or maybe even not, it could be that I do not get it) many thanks, L.

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Re: [CentOS] Semi-OT: ipmitool or ipmicfg: set BMC to use NIC 2
by mark 28 Jun '18

28 Jun '18

> Date: Tue, 26 Jun 2018 16:50:55 -0500 > From: Jon Pruente <jpruente(a)riskanalytics.com> > > On Tue, Jun 26, 2018 at 4:10 PM, mark <m.roth(a)5-cent.us> wrote: >> So you're saying I should set the MAC address for the lan channel 1 to >> the MAC address of the second NIC? > > No, you don't do anything to the MAC addresses on the BMC/IPMI. They > already have their own preset values. You decide which port you want to > use for IPMI from the ones it supports and set it up with various commands > (or use the BIOS/UEFI). The gist of what you are doing is just > setting up an > IP address on an embedded computer. It just so happens > that that embedded computer can simultaneously communicate over the same > ports as the host computer and may also/instead have its own > dedicated port. > > If you give ipmitool an incomplete command it will print out the list of > further options. <snip> > For a static IP on the second port you'd use > > lan set 2 ipaddr 10.0.0.15 (whatever your desired IP is) lan set 2 netmask > 255.255.255.0 (or whatever your matching netmask should > be) lan set 2 defgw ipaddr 10.0.0.1 (or whatever your gateway is) Well, that didn't work - Channel 2 is not a LAN channel! > > If you want to use DHCP then find the MAC with NO!!! I do not want this ever asking for an IP. There's no management port, dunno why, but the only thing where it should be is a couple of pieces of thin, bent metal, and nothing, apparently, damaged. I do see one option of "defgw macaddr" - is that supposed to be a MAC external to the server, or can I use the MAC of eth1 (or whatever the stupid, unrememberable name is)? mark

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Postfix, system notifications and local servers
by Nicolas Kovacs 28 Jun '18

28 Jun '18

Hi, I have CentOS 7 running on half a dozen public servers. For some stuff like automatic updates using yum-cron, I have Postfix installed with a relatively basic configuration. This allows me to send important notifications to my mail address info(a)microlinux.fr. When there's a batch of updates, I get one mail per machine, so I can check quickly if everything went OK without having to connect to the server. Now I'd also like to use this setup on machines that aren't in a datacenter and facing the Internet. For example, servers that have "dummy" hostnames like nestor.microlinux.lan or sauvegarde.scholae.lan. Is there a way I can setup Postfix so this machine can send an e-mail to info(a)microlinux.fr, even if 'hostname --fqdn' returns a "dummy" hostname? Cheers, Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Blog : https://blog.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32

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Install C7 on HP DL360e G8
by Jerry Geis 27 Jun '18

27 Jun '18

HI All - I am trying to install the above... The BIOS reports 1 virtual drive, but when C7 is installing there are 0 disks found. >From the hardware it says the raid card is a P420 ... I did a little searching and saw it talking about B320i card - which does not seem to be my card. I'm stuck. Any thoughts? Thanks, Jerry

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Semi-OT: ipmitool or ipmicfg: set BMC to use NIC 2
by mark 26 Jun '18

26 Jun '18

The man page isn't helping, nor have I been able to find examples that work. For example, the man page claims I can do ipmitool lan get active, and I try, and it says, "invaling lan command, get". Do I set the MAC address for the lan to NIC 2? Anyone have a clue - I do *not* want martians on the real network. mark

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Re: [CentOS] Semi-OT: ipmitool or ipmicfg: set BMC to use NIC 2
by mark 26 Jun '18

26 Jun '18

Michael C. Tiernan wrote: > ipmitool -I open lan get *NUMBER* > Description: CentOS Linux release 7.5.1804 (Core) Release: 7.5.1804 ipmitool -I open lan get 1 Invalid LAN command: get I'm saying that the get command with lan DOES NOT WORK. ipmitool doesn't understand it.... <SNIP> mark

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Discuss June 2018