Re: [CentOS] How will fragmentation help Red Hat

2023-07-23 Thread Steven Rosenberg
On Thu, Jul 13, 2023 at 4:21 AM Josh Boyer wrote: > > Competition in the Enterprise Linux space is a good thing. If a > company or community other than Red Hat starts serving a market that > RHEL can't, it forces Red Hat to evaluate and adjust. It keeps > everyone pushing and developing solutio

Re: [CentOS] Centos Stream 9 module list

2023-01-14 Thread Steven Rosenberg
My "use case" for modules was getting a newer version of Ruby, but now I notice that EPEL also ships newer Ruby versions. On Sat, Jan 14, 2023 at 12:09 PM Steven Rosenberg wrote: > > > On Thu, Jan 12, 2023 at 2:02 PM Josh Boyer wrote: > > Ultimately, the Red Hat t

Re: [CentOS] Centos Stream 9 module list

2023-01-14 Thread Steven Rosenberg
On Thu, Jan 12, 2023 at 2:02 PM Josh Boyer wrote: Ultimately, the Red Hat teams are using modularity where they believe > it makes sense and using regular packaging to reduce complexity for > customers where it doesn't provide much benefit. > Thanks for the explanation. For those who want to kn

Re: [CentOS] centos 8-Streams kernel?

2023-01-09 Thread Steven Rosenberg
On Mon, Jan 9, 2023 at 7:34 AM Johnny Hughes wrote: > > One thing to note is, we are currently working on moving the c8s process > to use the same workflow as the c9s process. That will happen later > this year. Right now, I only build what releases to git.centos.org for > the c8s branch for th

Re: [CentOS] centos 8-Streams kernel?

2023-01-07 Thread Steven Rosenberg
If you want to follow CentOS Stream development, I have two websites that grab CentOS-supplied XML and publish blog entries of updated packages whenever that happens: https://centos.passthejoe.net/ https://passthejoe.tilde.institute/centos/ Both websites have the same content. Frustration with C

Re: [CentOS] Ruby on Cent OS 8

2021-11-17 Thread Steven Rosenberg
On Tue, 2021-11-16 at 02:15 +0100, Markus Falb wrote: > Rocky 8.5 has gained support for secure boot > https://rockylinux.org/news/rocky-linux-8-5-ga-release/ > > Big step for Rocky. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/

Re: [CentOS] Ruby on Cent OS 8

2021-11-08 Thread Steven Rosenberg
On Mon, 2021-11-08 at 09:25 +0300, Benson Muite wrote: > Hi, > > Will Ruby on Cent OS 8 be upgraded, the current version 2.5.9 has > reached EOL. I remember being told that while the older version of Ruby is EOL as far as the Ruby project goes, Red Hat developers still backport security fixes fo

Re: [CentOS] How do I install the "right" python3-tkinter in CentOS Stream 8?

2021-09-21 Thread Steven Rosenberg
On Tue, 2021-09-21 at 17:09 -0400, Jonathan Billings wrote: > The python3-tkinter package is a sub package of the python3 source > package, which includes platform-python. They are versioned > together, so you can’t upgrade one without needing the updates for > the other. > > Since python3-tkinte

Re: [CentOS] How do I install the "right" python3-tkinter in CentOS Stream 8?

2021-09-21 Thread Steven Rosenberg
On Tue, 2021-09-21 at 11:49 -0700, Steven Rosenberg wrote: > In CentOS Stream 8, A yum upgrade just upgraded platform-python to > platform-python-3.6.8-41.el8.x86_64.rpm. The upgrade wouldn't go > through until I removed python3-tkinter-3.6.8-40.el8.x86_64. > > Now I want

[CentOS] How do I install the "right" python3-tkinter in CentOS Stream 8?

2021-09-21 Thread Steven Rosenberg
In CentOS Stream 8, A yum upgrade just upgraded platform-python to platform-python-3.6.8-41.el8.x86_64.rpm. The upgrade wouldn't go through until I removed python3-tkinter-3.6.8-40.el8.x86_64. Now I want to reinstall python3-tkinter, and the only version yum is offering is 3.6.8-40, and it offers

Re: [CentOS] Minimising a CentOS installation

2021-08-21 Thread Steven Rosenberg
On Sat, 2021-08-21 at 20:24 +0200, Leon Fauster via CentOS wrote: > > https://linuxconfig.org/how-to-remove-orphaned-packages-on-centos-linux > > > > It worked for me: > > > > Get a list of orphaned packages: > > > > $ package-cleanup --leaves > > > > Remove them: > > > > # yum remove `packag

Re: [CentOS] Minimising a CentOS installation

2021-08-21 Thread Steven Rosenberg
On Fri, 2021-08-20 at 22:10 -0600, James Szinger wrote: > My typical approach is to run `package-cleanup --leaves --all` or > `yum > leaves` (might need software not on CentOS 8) and justify everything > that is there. I have about 85 leaf packages on a CentOS 7 web > server, so a minimal package

Re: [CentOS] It's been six days since CVD-2021-33909 was patched in RHEL, what's the holdup for Stream 8?

2021-07-29 Thread Steven Rosenberg via CentOS
Thanks to everybody involved. I did the update this morning. Jul 28, 2021, 8:18 PM by c...@redhat.com: > kernel-4.18.0-326.el8 is being pushed to the mirrors now. > > On Wed, Jul 28, 2021 at 2:42 PM Brian Stinson wrote: > >> >> Carl summarized really well how code moves through RHEL and CentO

Re: [CentOS] It's been six days since CVD-2021-33909 was patched in RHEL, what's the holdup for Stream 8?

2021-07-28 Thread Steven Rosenberg via CentOS
Linux 8 > and CentOS Stream 8. No one is happy about how much longer this > particular update is taking. The Stream model brings massive changes > to the RHEL workflows, so no one should be surprised that there are > growing pains. > > On Mon, Jul 26, 2021 at 4:02 PM Stev

[CentOS] It's been six days since CVD-2021-33909 was patched in RHEL, what's the holdup for Stream 8?

2021-07-26 Thread Steven Rosenberg via CentOS
This bug in the kernel was patched in RHEL on 7/20. Every other mainstream Linux distro patched it that day or the day after. That includes Rocky and Alma. https://access.redhat.com/security/cve/CVE-2021-33909 It's still not patched six days later in CentOS Stream 8. This Bugzilla entry makes i

Re: [CentOS] How to organize your VMs

2021-04-12 Thread Steven Tardy
On Sat, Apr 10, 2021 at 12:13 PM Nicolas Kovacs wrote: > I'd be curious to have your input, since I'm fairly new to this sort of > approach. > This is the whole pets VS cattle choice. IMO each VM should have a singular use/purpose/app. VMs are effectively free. And also prevents unintended nega

Re: [CentOS] new observations: Re: Centos 7 installer alert! message

2021-03-18 Thread Steven Tardy
On Wed, Mar 17, 2021 at 2:15 PM R C wrote: > Hello, > > > I installed 72G ram in a Dell (it canhandle 72G according to Dell). The > BIOS says there are 9 8G DIMMs install (BIOS test shows no errors). > dmidecode says there are indeed 9 DIMMs, and they show all fine, no > errors etc. However, fre

Re: [CentOS] Infiniband special ops?

2021-01-21 Thread Steven Tardy
On Thu, Jan 21, 2021 at 6:34 PM lejeczek via CentOS wrote: > Hi guys. > > Hoping some net experts my stumble upon this message, I have > an IPoIB direct host to host connection and: > > -> $ ethtool ib1 > Settings for ib1: > Supported ports: [ ] > Supported link modes: Not reported >

Re: [CentOS] Postfix restrictions

2020-06-08 Thread Steven Tardy
On Tue, Jun 9, 2020 at 12:10 AM Peter wrote: > On 9/06/20 2:56 pm, Jon LaBadie wrote: > > Don't use a backup MX, they are a relic of the 90s when mail servers > were often times not always online. a sending mail server will > generally retry the message for up to five days if your MTA is down

Re: [CentOS] External Array Data Migration

2020-05-22 Thread Steven Tardy
On Thu, May 21, 2020 at 8:31 AM Xinhuan Zheng wrote: > can I detach external array from old hardware, and attach it to new > hardware, then re-configure LVM, so new operating system can recognize the > external array file system? If only there existed a documentation project, for Linux which i

Re: [CentOS] Centos 7 32 Bits install. Answer to Johnny Hughes.

2020-01-26 Thread Steven Tardy
On Thu, Jan 23, 2020 at 8:54 AM Ger van Dijck wrote: > But when trying to do a fresh install or a netinstall (both Centos 7) I > get the following message : > > [ 0.123604] ACPI:SCI(ACPI GSI 9) not registered > [28.595238] systemd[1] Caught , dump core as pid 75 > [28.595814] systemd[1] : Freezi

Re: [CentOS] Performance issues/difference of two servers running same task (one is quicker)

2019-07-04 Thread Steven Tardy
On Thu, Jul 4, 2019 at 2:43 AM Jobst Schmalenbach wrote: > the development and life server in question run the same software setup: > - CentOS Linux release 7.6.1810 > - bind 32:9.9.4-74.el7_6.1 > - Apache/2.4.6 (CentOS) > - PHP 7.1.29 > - mysqld Ver 5.7.26 > - wordpress, woocommerce

Re: [CentOS] HPE ProLiant - support Linux Vendor Firmware Service ?

2019-07-01 Thread Steven Tardy
On Mon, Jul 1, 2019 at 4:37 PM Jonathan Billings wrote: > I never was able to find a bootable FreeDOS image that could run it from a > USB boot disk. https://lists.centos.org/pipermail/centos/2013-May/134512.html ___ CentOS mailing list CentOS@centos.

Re: [CentOS] system unresponsive

2019-05-22 Thread Steven Tardy
On Wed, May 22, 2019 at 10:22 AM mark wrote: > It seems unlikely. It's a 4U server, with 36 disks (and the dual root > disks), in a machine room, and ipmitool sel list shows nada, nor are there > any warnings, as I've seen on other systems occasionally, that the CPU is > overheating, and is being

Re: [CentOS] Who is responsible to load NIC driver when boot up

2019-04-27 Thread Steven Tardy
On Sat, Apr 27, 2019 at 11:44 PM wuzhouhui wrote: > I have a small question about NIC driver (e.g. i40e) loading. Who is > responsible to load i40e driver? And how does he knows we should load > i40e, instead of ixgbe? `depmod` may put hardware/driver lists into initramfs when `mkinitrd` is cal

Re: [CentOS] UEFI and PXE

2019-04-25 Thread Steven Tardy
On Thu, Apr 25, 2019 at 8:46 PM Chris Adams wrote: > Once upon a time, Steven Tardy said: > > The “ICMP unreachable” should be a dead giveaway. . . > > You cut out the part of the email where the OP said that the UEFI system > was ignoring the next-server part of the DHCP r

Re: [CentOS] UEFI and PXE

2019-04-25 Thread Steven Tardy
On Thu, Apr 25, 2019 at 5:25 AM isdtor wrote: > 09:02:02.911381 IP client.cisco-ipsla > dhcp-server.tftp: 56 RRQ > "linux-install/bootx64.efi" octet tsize 0 blksize 32768 > 09:02:02.911403 IP dhcp-server > client: ICMP dhcp-server udp port tftp > unreachable, length 92 > The “ICMP unreachable”

Re: [CentOS] Does devtmps and tmpfs use underlying hard disk storage or Physical Memory (RAM)

2019-04-20 Thread Steven Tardy
On Fri, Apr 19, 2019 at 8:51 PM Kaushal Shriyan wrote: > Does devtmpfs and tmpfs use underlying hard disk storage or does it uses > Physical Memory (RAM). What is the purpose of devtmpfs which is mounted on > /dev, tmpfs mounted on /dev/shm and so on and so forth. What is the > difference between

Re: [CentOS] centos dfcp send hostname to microsoft dhcp/dns

2019-01-29 Thread Steven Tardy
Try to check the “dynamic update” checkbox in the AD DHCP confit like the 5th image on this blog: https://blog.royso.me/integrate-linux-desktop-to-microsoft-active-directory-and-dns-c86554bcf123 ___ CentOS mailing list CentOS@centos.org https://lists.cen

Re: [CentOS] Fedora Server - as an alternative ?

2018-12-22 Thread Steven Tardy
On Thu, Dec 20, 2018 at 8:12 AM lejeczek via CentOS wrote: > any Centosian here have done something different than only > contemplated using Fedora Server, actually worked on it in > test/production envs. > > If here are some folks who have done it I want to ask if you deem it to > be a viable o

Re: [CentOS] A question about why the function "recv" return 0

2018-12-20 Thread Steven Tardy
> after the ssl handshake, the client side reset the tcp connection. Client doesn’t like TLS cypher list. Client doesn’t have intermediate certificate. Server needs intermediate certificate configured. Client needs remote certificate “installed”. Many more TLS issues. > _

Re: [CentOS] KVM Bridge Problem

2018-12-04 Thread Steven Tardy
> Am 04.12.2018 um 21:30 schrieb Günther J. Niederwimmer: > > Hello, > > is this only my mistake,or can help any from the list? > > > > I have 3 host computer on different places, but all have the Problem when > > starting a client "KVM" to connect to the bridge from the host. > > > > It is near no

Re: [CentOS] rescue - UEFI revert to BIOS boot - how?

2018-11-20 Thread Steven Tardy
On Tue, Nov 20, 2018 at 7:40 AM lejeczek via CentOS wrote: > hi guys > > I have a box on which UEFI boot has gone haywire and instead > of boot it power the box down, that is before even going to > grub2. (displays some error message) > I if change to BIOS boot then I can start Centos' rescue - >

Re: [CentOS] C7, NetworkMangler, and IPv6

2018-10-17 Thread Steven Tardy
On Wed, Oct 17, 2018 at 3:55 PM mark wrote: >Freshly built box... but does not get its IPv6 address. Is network properly giving out IPv6 Router Advertisements (RAs)? What flags (M and/or O) are being given out? > ___ CentOS mailing list CentOS@ce

Re: [CentOS] Seagate - experience/opinion on vendor?

2018-09-26 Thread Steven Tardy
On Wed, Sep 26, 2018 at 2:17 PM lejeczek via CentOS wrote: > hi guys > > I have rather a large set of Seagate's SAS ST32000444SS, over a hundred > - experience I'm having from those in conjunction with their tech > support is abysmal. > > I'm trying to update firmware of these drives and nothing

Re: [CentOS] Vmware - Slightly off topic

2018-04-24 Thread Steven Tardy
On Tue, Apr 24, 2018 at 1:27 PM Jerry Geis wrote: > What is the correct way to provide a CentOS 7 - WMware image for ESX ? You are probably looking for VMware Converter which can p2v or v2v. IMO: if you are creating a VM image which is a binary blob or image then you are doing it wrong. Have t

Re: [CentOS] tftpd server S not responding

2018-04-19 Thread Steven Tardy
Early in this thread you mentioned these are on different network subnets. . . Just thought about a similar issue. . . sysctl -a | grep rp_filter If a packet comes in to Linux and the path BACK to the remote IP is NOT out that same interface (asymmetric routing) the Linux kernel will drop the p

Re: [CentOS] Wich is best for backup? nfs of iscsi?

2018-04-12 Thread Steven Tardy
On Thu, Apr 12, 2018 at 5:00 PM marcos sr wrote: > I have a CentOS VM with a lots of inodes, and 500GB +/-, running under > hyper-v . Which is best for backup them? What is the pros and cons? Not enough details. Are you backing up the VM from hyper-v? Are you backing up the VM from within the V

Re: [CentOS] tftpd server S not responding

2018-04-12 Thread Steven Tardy
Reading back through prior emails. . . TFTP client requests packets *are* making it to the TFTP server. So it seems like something on the TFTP server itself. Like previously mentioned server side firewall/iptables/tcp-wrappers/selinux are all possible culprits. Hmmm just thought of something else

Re: [CentOS] tftpd server S not responding

2018-03-29 Thread Steven Tardy
A STATEFUL firewall with “ip any any” can and will still block asymmetric communications due to the firewall keeping track of state (hence tha name stateful firewall). Tcpdump on your servers /other/ NICs and you’ll see the tftp traffic leaving your server on some other NIC (probably on with the d

Re: [CentOS] tftpd server S not responding

2018-03-28 Thread Steven Tardy
On Wed, Mar 28, 2018 at 3:16 PM Asif Iqbal wrote: > It is not respoding to A server which is sending the tftp read request RRQ. > > I do see the RRQ packets coming from A to S, but S never responds back from > a different port Y to A > > So this part is working fine > > > > https://en.wikipedia.o

Re: [CentOS] RADIUS

2018-03-07 Thread Steven Tardy
On Wed, Mar 7, 2018 at 11:57 AM hw wrote: > Apparently Cisco can do it: > > > https://www.cisco.com/c/en/us/products/collateral/wireless/wireless-location-appliance/product_data_sheet0900aecd80293728.html I was going to mention Cisco WCS which uses wireless “controllers” and “lightweight” acces

Re: [CentOS] How to update modules in iniramfs fastly

2018-02-25 Thread Steven Tardy
On Sun, Feb 25, 2018 at 8:29 PM wuzhouhui wrote: > I know dracut can update modules in initramfs, but I think it is too > slow. So I'm wondering what is the fastest way to update modules in > initramfs of CentOS 7? `dracut` calls `mkinitrd` which rebuilds the initrd file. . . you could do it ma

Re: [CentOS] CentOS 7 1708 won't boot after grub2 update

2018-02-21 Thread Steven Tardy
00:1f.2 SATA controller: Intel Corporation C600/X79 series chipset 6-Port SATA AHCI Controller (rev 06) While I don’t have experience with this exact controller, I have seen some LSI controllers get removed from RHEL post GA which causes similar issues. “It worked when I installed, but after `yum

Re: [CentOS] CentOS 7 1708 won't boot after grub2 update

2018-02-19 Thread Steven Tardy
On Mon, Feb 19, 2018 at 7:01 AM Sorin Srbu wrote: > Hi all, > > This is the third fresh install of CentOS 7 1708 the last two months that > won't boot after a regular "yum update" just after the fresh install has > finished. Not nearly enough details given. . . What disk controller? `lspci` Le

Re: [CentOS] Admins supporting both RHEL and CentOS

2017-11-28 Thread Steven Tardy
On Tue, Nov 28, 2017 at 8:06 AM Joseph L. Casale wrote: > On the other hand I see the > opposite with RHEL where admins constrain installations to the > point release. This is most commonly due to 3rd party support stipulations (I’m looking at you Oracle/SAP) who haven’t/won’t/lag test a fully

Re: [CentOS] What free memory range is safe to operate?

2017-10-27 Thread Steven Tardy
> On Oct 27, 2017, at 11:39 AM, marcos valentine wrote: > > percent of free memory is indicated to operate? Free memory as in unused or free memory as in available (unused + disk buffers)? Google: Linux ate my RAM Output of `free` from your system may provide some context. Now-a-days as long

Re: [CentOS] delay in establishing network connectivity

2017-10-18 Thread Steven Tardy
> On Oct 17, 2017, at 5:07 PM, FHDATA wrote: > > can not establish a network connectivity > for some time: 7 to 15 minutes and then > everything network wise is fine... Over 5 minutes makes it sound like a ARP time-out somewhere(default gateway). Does ifconfig show the interface as “UP”? Does t

Re: [CentOS] Lock-up during boot when Logitech unifying receiver is connected (UEFI problem?)

2017-10-10 Thread Steven Tardy
> On Oct 10, 2017, at 5:39 AM, Toralf Lund wrote: > > If this unit (a small USB thingummy) is connected when I try to boot the > system, it locks up completely. I’ve seen USB power draw be an issue similar to this previously. Does the same problem occur if connected through a powered USB hub?

Re: [CentOS] System shutdown on OOM

2017-09-25 Thread Steven Tardy
> On Sep 25, 2017, at 2:56 AM, Thomas Plant wrote: > > OOM situation Do you have `sar` installed and activated? Does sar output show high memory leading up to the outage? ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listi

Re: [CentOS] Corosync on a home network

2017-09-10 Thread Steven Tardy
> On Sep 10, 2017, at 11:33 AM, J Martin Rushton > wrote: > > #mcastport: 5405 Does tcpdump see this traffic leaving each VM? Yes then the app is working. Does tcpdump see this traffic making it to each VM? Yes then the switching is working. Is the port opened in firewall/iptables? Yes

Re: [CentOS] cyrus spool on btrfs?

2017-09-09 Thread Steven Tardy
> On Sep 9, 2017, at 12:47 PM, hw wrote: > > Isn´t it easier for SSDs to write small chunks of data at a time? SSDs read/write in large-ish (256k-4M) blocks/pages. Seems to me that drive blocks and hardware RAID strip size and file system block/cluster/extents sizes and etc and etc and etc sh

Re: [CentOS] Kernel:[Hardware Error]:

2017-08-12 Thread Steven Tardy
> On Aug 12, 2017, at 3:50 PM, Fred Smith wrote: > > I had a series of kernel hardware error reports today while I was away > from my computer: > > Message from syslogd@fcshome at Aug 12 10:12:24 ... > kernel:[Hardware Error]: MC2 Error: VB Data ECC or parity error. > > Message from syslogd@f

Re: [CentOS] IPv6 addresses order (CentOS6)

2017-05-30 Thread Steven Tardy
> On May 30, 2017, at 3:26 AM, Walter H. wrote: > > is there a way to influence the order? Not sure what your use of multiple IPs is. . . but I'd probably use an interface alias instead of secondary. https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Deployment_Guid

Re: [CentOS] CentOS 7 on HP DL160 G6

2017-05-02 Thread Steven Tardy
> On May 1, 2017, at 8:49 PM, H wrote: > > the computer locks up at random intervals Anything in /var/log/mcelog? Is the "edac" module running? Does that model support bundle include any Intel MCA files? ___ CentOS mailing list CentOS@centos.org https

Re: [CentOS] SCSI drives and Centos 7

2017-04-29 Thread Steven Tardy
> On Apr 29, 2017, at 9:50 AM, Gregory P. Ennis wrote: > > find a way to make the installation disc of Centos 6 identify the SCSI > drives. What model LSI card? Is that card on the RHEL hardware support list? Does LSI/Dell have drivers on their site? Have you tried drivers from LSI/Dell and usi

Re: [CentOS] Apache + SSL: default configuration rated "C" by Qualys Labs

2017-04-26 Thread Steven Tardy
> On Apr 26, 2017, at 2:58 AM, Nicolas Kovacs wrote: > > The site is rated "C" The RHEL/CentOS out-of-the-box apache tls is a little old but operational. This Mozilla resource is excellent for getting apache tls config up-to-date. https://wiki.mozilla.org/Security/Server_Side_TLS

Re: [CentOS] Timezone and date

2017-04-04 Thread Steven Tardy
> On Apr 4, 2017, at 9:22 PM, Jerry Geis wrote: > > sending information to another system What does this mean? Syslog? ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] SNMP oddity

2017-03-25 Thread Steven Tardy
> On Mar 24, 2017, at 1:20 AM, Digimer wrote: > > STRING: 0:c0:b7:5f:8a:85 I'd guess this is the raw string transported over the wire. The MIB likely translates to proper MAC formatting. `tcpdump' should uncover this. ___ CentOS mailing list CentOS@c

Re: [CentOS] Centos 7 force reverse dns lookup for none registered addr

2017-01-12 Thread Steven Tardy
> On Jan 10, 2017, at 4:17 PM, Itschak Mugzach wrote: > > after reviewing TCPDUMP Did you `tcpdump` with the -nn option? If not than tcpdump was probably doing the reverse DNS lookup. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org

Re: [CentOS] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK

2017-01-04 Thread Steven Tardy
> On Jan 3, 2017, at 2:59 PM, lakhera2017 wrote: > > |- 1:0:0:15 sdq 65:0 failed ready running > - 3:0:0:15 sdai 66:32 failed ready running Does the same SAN target fail each time? What brand/model/firmware SAN switch is between initiator and target? Does the HBA show any SCSI aborts?

Re: [CentOS] Avago (LSI) SAS-3 controller, poor performance on CentOS 7

2016-11-05 Thread Steven Tardy
> On Nov 4, 2016, at 11:08 PM, Gordon Messmer wrote: > > LSI Logic / Symbios Logic SAS3008 What firmware is/are on the cards? The driver version difference between C6 and C7 could interact badly with old firmware. What firmware does $vendor suggest? Does C7 in BIOS mode work any better? Run

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

2016-10-30 Thread Steven Tardy
> On Oct 30, 2016, at 7:31 PM, Paul R. Ganci wrote: > > Now the question is how did this happen. I've seen something similar when installing a kernel if /etc/fstab didn't match df. Mkinitrd bombs out leaving the system unbootable. The rescue .iso/mkinitrd path you followed was the fastest way

Re: [CentOS] Cannot boot CentOS 7 VM after updating Host CentOS 7 Kernel

2016-10-30 Thread Steven Tardy
> On Oct 30, 2016, at 3:27 AM, Paul R. Ganci wrote: > > grub> set root=(hd0,msdos2) > grub> linux (hd0,1)/vmlinuz-3.10.0-327.36.2.el7.x86_64 root=(hd0,msdos2)/ > grub> initrd initrd-plymouth.img > grub> boot Try the initrd matching the kernel? ___ Cen

Re: [CentOS] gigE -> 100Mb problems

2016-10-13 Thread Steven Tardy
> On Oct 12, 2016, at 12:26 AM, John R Pierce wrote: > > the switch ports kept going offline on us. Not finding anything exactly like this... Closest I could find is CSCuu81949 Open a Cisco TAC case and upload a Nexus 9000 tech support (`tac-pac`) to investigate further. Is "port security" e

Re: [CentOS] Strange behaviour when using sudo+sh+executable.

2016-09-06 Thread Steven Tardy
> On Sep 6, 2016, at 6:18 AM, Rafał Radecki wrote: > > # sudo -H -E -u postgres /bin/bash -c /usr/bin/python2.7 Works for me. *shrug* Is your postgres user a service account or something else strange about it? Does 'passwd --status postgres' hint at anything? ___

Re: [CentOS] mounting lvm2

2016-09-03 Thread Steven Tardy
> On Sep 3, 2016, at 9:22 AM, Alice Wonder wrote: > > Where do I go from here to mount that volume? vgdisplay to find the UUID, vgrename takes UUID as a source. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] systemd not restarting daemon

2016-08-25 Thread Steven Tardy
> On Aug 25, 2016, at 1:43 PM, Chris Adams wrote: > > named-sdb (pulling domain > records from MySQL), which is segfaulting randomly named-sdb used to be(~7+ years ago) single threaded only and would crash if threads were enabled. Did you change named to NOT thread? Does named-sdb still do si

Re: [CentOS] tcpdump loses lots of packets

2016-08-15 Thread Steven Tardy
> On Aug 14, 2016, at 6:20 AM, Anand Buddhdev wrote: > > Any ideas why tcpdump loses so many packets? Saw your nanog posts... How many RX queues are configured? What does 'ethtool -S p1p1' show? Any discarded packets in the RX queue(s)? ___ CentOS m

Re: [CentOS] bad iscsi performance after upgrade to CentOS 7.2

2016-06-21 Thread Steven Tardy
> On Jun 20, 2016, at 5:15 AM, Ulrich Leodolter > wrote: > > has anyone an idea why iSCSI read performance degraded in CentOS 7.2 ? I'm not sure about those versions of centos, but iSCSI throughput being TCP is dependent on TCP receive window and packet loss. Tcpdump to see if the TCP window

Re: [CentOS] c6, drbd and file systems

2016-05-04 Thread Steven Ford
If you manage your server with something like Puppet, you could configure it to ensure the file system is mounted. Or use cron to check periodically. On 5/4/2016 5:02 AM, Steven Ford wrote: > You could also use pacemaker to manage promoting the drbd device and > mounting it with a dead

Re: [CentOS] c6, drbd and file systems

2016-05-04 Thread Steven Ford
That is a DRBD master role, not dead master. Good ol' auto correct. On Wed, May 4, 2016 at 8:02 AM, Steven Ford wrote: > You could also use pacemaker to manage promoting the drbd device and > mounting it with a dead master role as a dependency. Are you using anything > to automat

Re: [CentOS] c6, drbd and file systems

2016-05-04 Thread Steven Ford
You could also use pacemaker to manage promoting the drbd device and mounting it with a dead master role as a dependency. Are you using anything to automatically promote the send slave already? ___ CentOS mailing list CentOS@centos.org https://lists.cento

Re: [CentOS] cron

2016-04-22 Thread Steven Ford
Seemed strange is all. Can the nobody user read down into /var/www/html/osticket/api? If it works in tmp, maybe permissions are the issue. On Apr 22, 2016 7:57 PM, "Marcin Trendota" wrote: > On Friday 22 of April 2016 5:58:39 PM Steven Ford wrote: > > Why bother with */1? W

Re: [CentOS] cron

2016-04-22 Thread Steven Ford
Why bother with */1? Wouldn't that be the same as just *? On Apr 22, 2016 5:48 PM, "Marcin Trendota" wrote: > On Friday 22 of April 2016 11:40:33 PM Marcin Trendota wrote: > > What the heck is wrong with cron? > > > > */1 * * * * nobody /usr/bin/php /var/www/html/osticket/api/cron.php > > > > in

Re: [CentOS] Badlock bad luck

2016-04-13 Thread Steven Ford
Did you update your Windows clients? On Wed, Apr 13, 2016 at 1:51 AM, Mogens Kjaer wrote: > Hello, > > I run a CentOS 6 machine with samba, serving approx. 150 Windows users > with samba running as an NT-like PDC. > > After today's samba update (samba-3.6.23-30.el6_7.x86_64 etc.), nobody can >

Re: [CentOS] hi

2016-04-08 Thread Steven Ford
Hey Bill, Hello to you too! ~Steve On Fri, Apr 8, 2016 at 2:28 PM, Bill Baso wrote: > hi > ___ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos > ___ CentOS mai

Re: [CentOS] Where did network setup goes under setup utility in CentOS 7?

2016-01-29 Thread Steven Tardy
Run: nmtui > On Jan 29, 2016, at 11:42 AM, "reynie...@gmail.com" > wrote: > > Should I install any other package ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] CentOS 7.2 - Fast TSC calibration failed.

2015-12-18 Thread Steven Tardy
> On Dec 17, 2015, at 11:58 PM, Earl A Ramirez wrote: > I get > the following error: > > [ 0.00] tsc: Fast TSC calibration failed TSC is a high accuracy CPU clock. TSC can fail due to motherboard hardware fault on multi processor servers. But the kernel usually fails back to the less accu

Re: [CentOS] Networking Question

2015-11-26 Thread Steven Tardy
> On Nov 26, 2015, at 3:51 PM, Alice Wonder wrote: > > How do they deal with guaranteeing there is not IP address and MAC address > spoofing? VLANs simply provide the same thing you are doing in the physical world (creating distinct broadcast domains), but does so logically/virtually. IP/MAC

Re: [CentOS] Networking Question

2015-11-26 Thread Steven Tardy
> On Nov 26, 2015, at 10:43 AM, Alice Wonder wrote: > > Is this sane ? No. Use VLANs instead of physical cables and physical switches. https://en.m.wikipedia.org/wiki/VLAN ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listi

Re: [CentOS] centos 6 and super jumbo frames

2015-11-10 Thread Steven Tardy
> On Nov 9, 2015, at 11:34 AM, Steve Clark wrote: > > IP 10.79.4.53.64327 > 10.79.2.53.24294: Flags [.], seq 16060:29200, ack 1, > win 32767, length 13140 Do you have RSS enabled? With RSS the software/tcpdump sees larger "packets" but the physical NIC chunks down to the wire MTU. What does

Re: [CentOS] filesystem mounting fails at boot

2015-10-10 Thread Steven Tardy
> On Oct 10, 2015, at 9:34 AM, Imre Gergely wrote: > _netdev > The filesystem resides on a device that requires network > access (used to prevent the system from attempting to mount these > filesystems until the network has been enabled on the system). _netdev in fstab was a workarou

Re: [CentOS] httpd userdir problem

2015-09-25 Thread Steven Tardy
> On Sep 25, 2015, at 12:33 PM, Timothy Murphy wrote: > > when I try to access localhost/Menloe Try: http://localhost/~Menloe ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] Problems with Samba-based Home-Directory

2015-07-07 Thread Steven Tardy
> On Jul 7, 2015, at 12:42 AM, Meikel wrote: > > It's a D-Link DGS-1210-16 Switch. http://www.dlink.com/-/media/Business_Products/DGS/DGS%201210%2048/Manual/DGS_1210_Series_Manual_v4_00_EN.pdf What are the current settings on the switch for: Loopback Detection page 35 STP Global Settings pa

Re: [CentOS] Problems with Samba-based Home-Directory

2015-07-05 Thread Steven Tardy
> > Jul 5 16:36:08 meikel-pc kernel: ADDRCONF(NETDEV_UP): eth0: link is not > ready > Jul 5 16:36:23 meikel-pc kernel: ADDRCONF(NETDEV_CHANGE): eth0: link > becomes ready > > It takes 15 seconds between the two messages until it becomes ready. I > have no idea why it first says that the link is n

Re: [CentOS] Thunderbird question

2015-06-14 Thread Steven Stern
On 06/14/2015 04:53 PM, jd1008 wrote: > I was looking at the output of > thunderbird --help > > and I see there is no cli arg that makes it > start with a specific profile (which can be any > one of n profiles) - unless I am not reading > the output properly :) > > I am trying to avoid having to

Re: [CentOS] mod_suPHP

2015-05-24 Thread Steven Stern
On 05/24/2015 12:20 PM, Bob Puff wrote: > I have been trying to get mod_suPHP working on Centos 7's httpd, just as I've > done with versions 5 and 6. I found a couple RPMs that others have built, and > I even compiled suPHP from source, and got a successful compile. Each time, I > can see with ph

Re: [CentOS] NFS performance on CentOS 7

2015-05-12 Thread Steven Tardy
s 5972 (6000 is a very odd MTU) I'd start by getting the latest/validated driver from $NICVendor. What IO throughput does the local file system give? Test with hdparm / dd / iometer / sqlio / cp -a /path /dev/null Test sever to server with iperf as others suggested. Hope that points you in the

Re: [CentOS] Modifying files of NFS

2015-04-15 Thread Steven Tardy
> I have an NFS storage system and want to run jpegoptim on several GB's > of jpeg images and I'm wondering what the best approach is. > Is it ok to run this operation on the Server itself while the clients > have it mounted or will this lead to problems like e.g. the dreaded > "stale filehandle"?

Re: [CentOS] Locked version repos

2015-04-13 Thread Steven Barre
make secondary repos and copy from the main into them to make my locked repos. https://pulp.readthedocs.org/en/2.6-release/user-guide/admin-client/repositories.html#copy-between-repositories Is there any way to diff two repos to see whats new? = S

Re: [CentOS] Locked version repos

2015-04-13 Thread Steven Barre
Thanks, but those seem to only be related to making a local mirror and keeping it in sync, not with handling separate repos for different systems, or helping you promote new packages through devel and production. = Steven Barre, RHCE ste

[CentOS] Locked version repos

2015-04-10 Thread Steven Barre
web server and manually adding packages? I'd probably want a way to symlink packages to prevent disk bloat. What are other people doing out there? -- ===== Steven Barre, RHCE ste...@realestatewebmasters.com Systems A

Re: [CentOS] emailing plain text to exchange/outlook

2015-04-02 Thread Steven Tardy
> On Mar 31, 2015, at 2:06 PM, Les Mikesell wrote: > > outlook will remove line breaks. > > Is there something you can do to make a plain text list show up > correctly short of converting it to html with 's? Prefix every line in the list with a like: thing1 thing2

Re: [CentOS] mysql can't connect from localhost -strange behavior

2015-03-29 Thread Steven Tardy
> mysql> grant all privileges on ftp.* to 'proftpd'@'localhost' identified by > 'testpattern'; > Query OK, 0 rows affected (0.35 sec) mysql> FLUSH PRIVILEGES; ___ CentOS mailing list CentOS@centos.org http://lists.centos.org/mailman/listinfo/centos

Re: [CentOS] snmpwalk Mixed Fail

2015-03-26 Thread Steven Tardy
On Thu, Mar 26, 2015 at 5:27 PM, Peter Brady wrote: > FWITW the switches I've lost contact with are Netgear Layer 2 and 3 > managed switches, not that brand should make a difference. Some other > Netgear WAPs are fine and all CISCO devices are fine. With a machine on > the same VLAN all is happ

[CentOS] C7 http ITK

2015-03-20 Thread Steven Stern
I've been trying to get the mod_itk module installed on Centos 7. The package is in epel, but there's an error once it's installed "mod_access_compat.so undefined symbol ap_hook_check_access". Can anyone point me to a set of RPMs that will let me run itk or another C7 ready tool that will easily

Re: [CentOS] C7, igb and DCB support for pause frame ?

2015-02-26 Thread Steven Tardy
On Thu, Feb 26, 2015 at 9:18 AM, Laurent Wandrebeck < l.wandreb...@quelquesmots.fr> wrote: > Hi there, > > I’m working on deploying our new cluster. > Masters have 5×1gbps (i210 and i350, thus using igb.ko), configured with > mtu 9000, 802.3ad. Works fine *but* I can’t get DCB working (pause frame

Re: [CentOS] Kickstart with multiple eth devices

2015-02-23 Thread Steven Tardy
> On Feb 23, 2015, at 6:34 PM, Ashley M. Kirchner wrote: > > I have a Dell server that has two built-in ethernet devices. When I > kickstart the machine, they are correctly identified as eth0 and eth1 > (correctly meaning they correspond to the physical device ports 1 and 2). I > need a third on

Re: [CentOS] iostat a partition

2015-02-19 Thread Steven Tardy
On Thu, Feb 19, 2015 at 12:27 PM, Tim Dunphy wrote: > And I want to correlate that to the output of fdisk -l, so that I can feed > the disk partition I want to iostat, how would I go about that? > lsblk ___ CentOS mailing list CentOS@centos.org http://

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