Discuss October 2021

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39 participants
28 discussions

NFS Share fails to mount at boot time
by Felix Natter 15 Jan '22

15 Jan '22

hello fellow CentOS Users, on Scientific Linux 7 (_very_ similar to CentOS7), I get this when trying to mount NFS Shares (exported from Synology NAS) automatically at boot time: [root@HOST ~]# journalctl -b 0 | grep NAS[20] Jul 01 13:32:09 HOST systemd[1]: Mounting /mnt/NAS0... Jul 01 13:32:09 HOST systemd[1]: Mounting /mnt/NAS2... Jul 01 13:32:09 HOST systemd[1]: mnt-NAS0.mount mount process exited, code=exited status=32 Jul 01 13:32:09 HOST systemd[1]: Failed to mount /mnt/NAS0. Jul 01 13:32:09 HOST systemd[1]: Unit mnt-NAS0.mount entered failed state. Jul 01 13:32:09 HOST systemd[1]: mnt-NAS2.mount mount process exited, code=exited status=32 Jul 01 13:32:09 HOST systemd[1]: Failed to mount /mnt/NAS2. Jul 01 13:32:09 HOST systemd[1]: Unit mnt-NAS2.mount entered failed state. I read that enabling NetworkManager-wait-online.service can mitigate that, but it's already enabled: [root@HOST ~]# systemctl list-unit-files|grep wait chrony-wait.service disabled NetworkManager-wait-online.service enabled plymouth-quit-wait.service disabled /mnt/NAS2 is defined in /etc/fstab (/mnt/NAS0 is mounted analogously): NAS2HOST:/volume1/export/ /mnt/NAS2 nfs rw,vers=3,soft,bg,intr 0 0 This does not always occur, and it seems to be a race condition, because it did not occur a few months ago, before we moved offices (when only the networking changed slightly). Of course, once the computer is booted, I can always mount the shares without problems. Does someone have an idea? Many Thanks and Best Regards, -- Felix Natter

3 4

Microsoft Teams on CentOS 7. Does the latest version work?
by Toralf Lund 03 Dec '21

03 Dec '21

Does anyone else run Microsoft Teams on CentOS 7? I've used it for a while now, and it's generally worked reasonably well. However, after upgrading to the latest version from the Microsoft repos, it doesn't start up properly. Processes start and remain active until I give up and kill them, but I can't see a window or a tray icon or anything. Has anyone else seen this? Is there anything I can do to make the GUI appear? This is not a big deal as everything just works fine if I revert to the previous release, but it would be interesting to know if this is a general problem with the software, or I have some weird issue with my system. The release that doesn't work is 1.4.00.13653. The one that does is 1.4.00.7556. - Toralf

14 31

FYI, Chrome no longer supported on Centos7.
by me＠tdiehl.org 04 Nov '21

04 Nov '21

Hi, FYI, it looks like Google has decided to drop support for Chrome on Centos 7. (tigger pts9) # yum install google-chrome-stable Loaded plugins: changelog, fastestmirror, langpacks, nvidia, priorities Loading mirror speeds from cached hostfile * elrepo: mirror.pit.teraswitch.com 10 packages excluded due to repository priority protections Resolving Dependencies --> Running transaction check ---> Package google-chrome-stable.x86_64 0:95.0.4638.54-1 will be installed --> Processing Dependency: libc.so.6(GLIBC_2.18)(64bit) for package: google-chrome-stable-95.0.4638.54-1.x86_64 --> Finished Dependency Resolution Error: Package: google-chrome-stable-95.0.4638.54-1.x86_64 (google-chrome) Requires: libc.so.6(GLIBC_2.18)(64bit) You could try using --skip-broken to work around the problem (tigger pts9) # Anyone know where to get previous rpm versions of chrome? Regards, -- Tom me(a)tdiehl.org

5 8

Announcing centos-plus repo for 8-stream
by Fabian Arrotin 29 Oct '21

29 Oct '21

We used to have a "plus" repository for CentOS 7 and 8, that contained packages from OS, but rebuilt differently. Most known examples in CentOS 8 plus repository are the kernel-plus and thunderbird (with openpgp support). As CentOS 8 is going EOL end of this year, and that some us still need to rely on that specific thunderbird package, we agreed to just use the SIG process for the plus repository, instead of having such packages being built through the distro builders. So if you're already on CentOS Stream 8 , you can just install (like for other SIGs) a specific package containing both the .repo file *and* needed gpg key used to sign the packages. How to enable/use it ? : sudo dnf install centos-release-plus -y As stated in /etc/yum.repos.d/CentOS-Stream-Plus.repo, you can now enable it (remember that it can overwrite base packages, reason why we also ship it as disabled) sudo dnf config-manager --enable centos-stream-plus You can now install pkg from it, like thunderbird : sudo dnf install thunderbird Tip: if you want to just use some pkgs from one specific repo, you can also just use excludepkgs/includepkgs statements in your .repo configuration (see https://dnf.readthedocs.io/en/latest/conf_ref.html#options-for-both-main-an…) -- Fabian Arrotin The CentOS Project | https://www.centos.org gpg key: 17F3B7A1 | twitter: @arrfab

1 0

Measure http request and response time using curl command
by Kaushal Shriyan 29 Oct '21

29 Oct '21

Hi, Is there a way to measure http request and response time including network latency using any utility of a specific website? For example https://about.gitlab.com Best Regards, Kaushal

2 1

Version of curl does not support session resumption
by Joscha Knobloch 28 Oct '21

28 Oct '21

Hi, we have a CentOS7 Server running that pushes some Backups via FTP onto another server. We switches the FTP-Server for a new one that works very well. One new thing is that FTPS session resumption is now mandetory and cannot be turned off since it is an important security feature. Unfortunately the version of curl on the system does not yet support it. This is the version installed on the system: curl 7.29.0 (x86_64-redhat-linux-gnu) libcurl/7.29.0 NSS/3.53.1 zlib/1.2.7 libidn/1.28 libssh2/1.8.0 I have discussed this on the curl mailing list and they said the version is from 2013 and we should update to a new version of curl. Is curl going to be updated to support ftps session resumption in the near future? If not: What would be the best way to get a newer version onto the system? Kind Regards Joscha

3 2

grepmail
by Jon LaBadie 28 Oct '21

28 Oct '21

On my Fedora box I occasionally use grepmail. Recently I went to use it on my CentOS 7 mail server and found I had not installed it. Surprisingly (to me) I did not find it in the repositories. Grepmail is a perl script and uses several perl modules. I copied the executable from the Fedora box and installed a missing module from the CentOS 7 repos. Seems to work. However the CentOS perl modules are older versions than the executable uses on Fedora. I'd prefer the executable and modules were tested together. Have I missed grepmail in any CentOS 7 repos? -- Jon H. LaBadie jcu(a)labadie.us

2 1

IPv6 mailing list?
by Kenneth Porter 27 Oct '21

27 Oct '21

Can anyone recommend an end-user IPv6 mailing list? (A web forum would also be acceptable.) I've been looking at available lists and they all seem targeted at backbone players and ISPs. I'm looking for something where we can report and resolve problems with our ISPs. For example, I just got an AT&T business connection and the Edgemark fiber gateway doesn't provide RA or prefix delegation. It assumes the customer equipment is all leaf nodes that are statically-configured. It doesn't recognize RA from the customer, either. So I'm using ndppd (added to EPEL7 this morning!) to proxy neighbor announcements through my CentOS7 gateway/firewall. I have a backup/secondary C7 gateway and it got confused when the primary sent RA for the LAN-side subnet upstream to the common WAN link (via the radvd package) and the secondary added a default routing table entry pointing to the primary gateway instead of using its own statically-configured default gateway setting. That was a head-scratcher until I noticed my firewall logs on the main gateway showing dropped DNS packets from the secondary that should have been going to the ISP gateway. IPv6 DNS was failing on the secondary with timeouts (10 seconds!) and I couldn't figure out what was eating the packets. So I'm wondering how multiple gateways sharing a link are supposed to cooperate and inform each other without confusing each other about the desired topology.

2 2

anyone her using nexus 3 as a repo-mirror for centos
by Ralf Prengel 27 Oct '21

27 Oct '21

Hallo anyone her using nexus 3 as a repo-mirror for centos. My problem: yum update ends with error 404 and I ve no idea what is going wrong. The nexus repo is empty so it is clear why 404 appears but I thought that the nexus fetches the files immdeatly from outside. Thanks for hints Ralf

1 0

ifconfig not showing virtual IP when using NetworkManager
by Jerry Geis 26 Oct '21

26 Oct '21

When using NetworkManager instead of the ifcfg-eth1/eth0 files - I make a nmcli connection and modify "Wired connection 1" +ipv4.addr IP/22 kind of command - it works - which is great. It "adds" the virtual IP. However - when doing ifconfig that "virtual" IP does not show up. When using NetworkManager - to add the virtual IP - how do I get that to show using ifconfig also ? it used to show as eth1:0 Thanks, jerry

2 1

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Discuss October 2021