# Latest **URL:** https://linux-community.web.cern.ch/latest.md [Latest](https://linux-community.web.cern.ch/latest.md) · [Categories](https://linux-community.web.cern.ch/categories.md) · [Tags](https://linux-community.web.cern.ch/tags.md) --- ## [Welcome to the Linux Community Channel](https://linux-community.web.cern.ch/t/welcome-to-the-linux-community-channel/7)
**Author:** [@system](https://linux-community.web.cern.ch/u/system)\ **Replies:** 0\ **Last updated:** [September 17, 2019, 12:57pm UTC](https://linux-community.web.cern.ch/t/welcome-to-the-linux-community-channel/7 "2019-09-17T12:57:38Z")
You’ll find here answers to CERN specific linux questions such as: How to configure AFS client at CERN, How to use CERN time servers, How to print at CERN, etc Please ask questions (and/or provide solutions) about using… --- ## [Connection issues](https://linux-community.web.cern.ch/t/connection-issues/248)
**Author:** [@palexaki](https://linux-community.web.cern.ch/u/palexaki)\ **Replies:** 0\ **Last updated:** [November 13, 2025, 2:59pm UTC](https://linux-community.web.cern.ch/t/connection-issues/248 "2025-11-13T14:59:51Z")
Hi, I am trying to connect to lxplus using MobaXterm, and I get the message “Remote side unexpectedly closed network connection” as seen in the screenshot. I would appreciate any help on how to connect. Thank you in adv… --- ## [HP screen-integrated camera and speakers don't work on my desktop Alma Linux 9](https://linux-community.web.cern.ch/t/hp-screen-integrated-camera-and-speakers-dont-work-on-my-desktop-alma-linux-9/247)
**Author:** [@massi](https://linux-community.web.cern.ch/u/massi)\ **Replies:** 0\ **Last updated:** [November 12, 2025, 5:02pm UTC](https://linux-community.web.cern.ch/t/hp-screen-integrated-camera-and-speakers-dont-work-on-my-desktop-alma-linux-9/247 "2025-11-12T17:02:04Z")
hello I have a brand new HP 34" display Model E34m G4 WQHD Curved, bought from the official Cern-supported IT hardware, and I am trying to use the cute display-integrated camera and speakers on my PC Alma Linux 9 (massi… --- ## [DFS on Ubuntu 22.04?](https://linux-community.web.cern.ch/t/dfs-on-ubuntu-22-04/242)
**Author:** [@lakshit](https://linux-community.web.cern.ch/u/lakshit)\ **Replies:** 2\ **Last updated:** [September 24, 2024, 9:22am UTC](https://linux-community.web.cern.ch/t/dfs-on-ubuntu-22-04/242 "2024-09-24T09:22:51Z")
We have already configured Cernbox on an Ubuntu system but wanted to save some files directly to our DFS folder, is there any direct way to have DFS on our Linux Machine?? --- ## [Hint for migration from CentOS Stream 9 to Alma 9](https://linux-community.web.cern.ch/t/hint-for-migration-from-centos-stream-9-to-alma-9/238)
**Author:** [@deile](https://linux-community.web.cern.ch/u/deile)\ **Replies:** 0\ **Last updated:** [June 10, 2024, 9:37am UTC](https://linux-community.web.cern.ch/t/hint-for-migration-from-centos-stream-9-to-alma-9/238 "2024-06-10T09:37:10Z")
In the generally good recipe given in Migration - Linux @ CERN there is one step missing, leading to an error that made me very nervous because it was not mentioned in the troubleshooting: If you have the AFS client r… --- ## [Phonebook on Ubuntu](https://linux-community.web.cern.ch/t/phonebook-on-ubuntu/147)
**Author:** [@schwicke](https://linux-community.web.cern.ch/u/schwicke)\ **Replies:** 1\ **Last updated:** [March 19, 2024, 2:35pm UTC](https://linux-community.web.cern.ch/t/phonebook-on-ubuntu/147 "2024-03-19T14:35:25Z")
For those interested have a look at pyphonebook. This is based on the work done by Sara Zanzottera . The (unsupported) Debian build instructions and the resulting package work fine for me on both 20.04 and 21.04. --- ## [How to configure your local Linux system to use a valid domain when sending mails from root](https://linux-community.web.cern.ch/t/how-to-configure-your-local-linux-system-to-use-a-valid-domain-when-sending-mails-from-root/220)
**Author:** [@manuel](https://linux-community.web.cern.ch/u/manuel)\ **Replies:** 0\ **Last updated:** [February 16, 2024, 1:53pm UTC](https://linux-community.web.cern.ch/t/how-to-configure-your-local-linux-system-to-use-a-valid-domain-when-sending-mails-from-root/220 "2024-02-16T13:53:55Z")
Please note that there is a SNOW KB article that describes how to configure Sendmail and Postfix in non-supported Linux distributions to use a valid domain when sending mails from root: https://cern.service-now.com/ser… --- ## [Taskbar/Topbar in Almalinux](https://linux-community.web.cern.ch/t/taskbar-topbar-in-almalinux/211)
**Author:** [@bargassa](https://linux-community.web.cern.ch/u/bargassa)\ **Replies:** 1\ **Last updated:** [October 3, 2023, 1:42pm UTC](https://linux-community.web.cern.ch/t/taskbar-topbar-in-almalinux/211 "2023-10-03T13:42:26Z")
Does someone know how to install a taskbar/topbar in AlmaLinux, which is one of the OS installed at CERN ? The problems with AlmaLinux in this regard are the following: The “hot corner” of AlmaLinux is really not prac… --- ## [SC8 to RHEL8 migration "Transaction test error"](https://linux-community.web.cern.ch/t/sc8-to-rhel8-migration-transaction-test-error/212)
**Author:** [@grancher](https://linux-community.web.cern.ch/u/grancher)\ **Replies:** 1\ **Last updated:** [August 28, 2023, 2:52pm UTC](https://linux-community.web.cern.ch/t/sc8-to-rhel8-migration-transaction-test-error/212 "2023-08-28T14:52:07Z")
Good afternoon, following Linux migration page, I would like to migrate my CS8 workstation to RHEL8. I get this error (full description below) "Error: Transaction test error: file /etc/pki/rpm-gpg/RPM-GPG-KEY-redhat… --- ## [Wifi connection at cern](https://linux-community.web.cern.ch/t/wifi-connection-at-cern/208)
**Author:** [@bonam](https://linux-community.web.cern.ch/u/bonam)\ **Replies:** 2\ **Last updated:** [August 1, 2023, 3:23pm UTC](https://linux-community.web.cern.ch/t/wifi-connection-at-cern/208 "2023-08-01T15:23:55Z")
dear all, every time I stay away from CERN for more than some days (don’t know exactly), my first connection to the CERN network (CERN or eduroam) hangs forever (oh well until I reboot) as seen in the two screenshots at… --- ## [Copying files from other user /eos folder](https://linux-community.web.cern.ch/t/copying-files-from-other-user-eos-folder/206)
**Author:** [@volodymy](https://linux-community.web.cern.ch/u/volodymy)\ **Replies:** 0\ **Last updated:** [June 26, 2023, 8:35am UTC](https://linux-community.web.cern.ch/t/copying-files-from-other-user-eos-folder/206 "2023-06-26T08:35:05Z")
Hello, I frequently exchange large simulation data with my colleagues. Before we used AFS personal /public, /work and /share folders. There is possible to copy files with the usual ‘cp -r’. What will be equivalent us… --- ## [Installing AlmaLinux9.1 from network boot: 'Local' users created, not LDAP (afs,eos)](https://linux-community.web.cern.ch/t/installing-almalinux9-1-from-network-boot-local-users-created-not-ldap-afs-eos/204)
**Author:** [@jpthomas](https://linux-community.web.cern.ch/u/jpthomas)\ **Replies:** 0\ **Last updated:** [May 15, 2023, 10:49am UTC](https://linux-community.web.cern.ch/t/installing-almalinux9-1-from-network-boot-local-users-created-not-ldap-afs-eos/204 "2023-05-15T10:49:47Z")
When installing AlmaLinux9.1 from the network boot on a PC at CERN, I’ve noticed that the accounts for the ‘responsible’ and the ‘main user’ are created as local accounts, not their LDAP home directory. I presume this is… --- ## [CERNBOX Stability Ubuntu 22.04](https://linux-community.web.cern.ch/t/cernbox-stability-ubuntu-22-04/201)
**Author:** [@salbrigh](https://linux-community.web.cern.ch/u/salbrigh)\ **Replies:** 2\ **Last updated:** [May 3, 2023, 8:50am UTC](https://linux-community.web.cern.ch/t/cernbox-stability-ubuntu-22-04/201 "2023-05-03T08:50:31Z")
Hi, I’m using Ubuntu 22.04 LTS with CERNBox client version 2.11.1. It mostly works, but is horribly unstable. I find that the synch freezes and it crashes multiple times a day. Has anyone come across anything like th… --- ## [Adding a cern user account on an linux PC](https://linux-community.web.cern.ch/t/adding-a-cern-user-account-on-an-linux-pc/200)
**Author:** [@massi](https://linux-community.web.cern.ch/u/massi)\ **Replies:** 0\ **Last updated:** [April 4, 2023, 8:14am UTC](https://linux-community.web.cern.ch/t/adding-a-cern-user-account-on-an-linux-pc/200 "2023-04-04T08:14:42Z")
Is there a procedure to add a cern user account on a linux PC ? (a cern non-supported linux version, Ubuntu 22 in my case) (I suppose it would be something equivalent to what useraddcern does for you on Centos) --- ## [Problem with AFS mount on Ubuntu 22](https://linux-community.web.cern.ch/t/problem-with-afs-mount-on-ubuntu-22/198)
**Author:** [@elwaagaa](https://linux-community.web.cern.ch/u/elwaagaa)\ **Replies:** 9\ **Last updated:** [March 31, 2023, 9:43am UTC](https://linux-community.web.cern.ch/t/problem-with-afs-mount-on-ubuntu-22/198 "2023-03-31T09:43:10Z")
Previously I could simply run aklog and mount AFS to my local workstation, but since a few weeks ago it says that my connection times out when I try to connect to my AFS directory. I run kinit successfully, and I can con… --- ## [CERN Recipes for Ubuntu users](https://linux-community.web.cern.ch/t/cern-recipes-for-ubuntu-users/26)
**Author:** [@manuel](https://linux-community.web.cern.ch/u/manuel)\ **Replies:** 9\ **Last updated:** [March 21, 2023, 4:15pm UTC](https://linux-community.web.cern.ch/t/cern-recipes-for-ubuntu-users/26 "2023-03-21T16:15:54Z")
There is a set of recipes on how to use Ubuntu at CERN in the internet. You can find guidelines on: How to print from Ubuntu at CERN at: https://twiki.cern.ch/Main/UbuntuPrinting How to configure the AFS client at: h… --- ## [Add printers with lpadmincern script](https://linux-community.web.cern.ch/t/add-printers-with-lpadmincern-script/81)
**Author:** [@plfernan](https://linux-community.web.cern.ch/u/plfernan)\ **Replies:** 0\ **Last updated:** [March 5, 2020, 10:18am UTC](https://linux-community.web.cern.ch/t/add-printers-with-lpadmincern-script/81 "2020-03-05T10:18:43Z")
Download the RPM package: http://ftp.riken.jp/Linux/cern/slc60beta/x86\_64/updates/SRPMS/lpadmincern-1.3.18-1.slc6.src.rpm. Ref: https://aur.archlinux.org/packages/lpadmincern/ Install perl ldap: sudo dnf install per… --- ## [OAuth2 broken in thunderbird 107.2.1](https://linux-community.web.cern.ch/t/oauth2-broken-in-thunderbird-107-2-1/192)
**Author:** [@claforge](https://linux-community.web.cern.ch/u/claforge)\ **Replies:** 0\ **Last updated:** [February 15, 2023, 8:31am UTC](https://linux-community.web.cern.ch/t/oauth2-broken-in-thunderbird-107-2-1/192 "2023-02-15T08:31:40Z")
It seems that OAuth2 in thunderbird is broken with 107.2.0 and 107.2.1 for some users, including myself: What would be the correct way to request a package update to the IT team? --- ## [CC7: Problem with yum: Hack required to make it update again](https://linux-community.web.cern.ch/t/cc7-problem-with-yum-hack-required-to-make-it-update-again/138)
**Author:** [@jpthomas](https://linux-community.web.cern.ch/u/jpthomas)\ **Replies:** 1\ **Last updated:** [December 10, 2022, 5:16am UTC](https://linux-community.web.cern.ch/t/cc7-problem-with-yum-hack-required-to-make-it-update-again/138 "2022-12-10T05:16:59Z")
Just wondering if this is of use to some: On our CERN-CentOS7 machines, the ‘yum update’ today failed ie just exited with this last message: (…) Running transaction Warning: RPMDB altered outside of yum. Invalid ver… --- ## [CERNbox client with ubuntu 22.04](https://linux-community.web.cern.ch/t/cernbox-client-with-ubuntu-22-04/177)
**Author:** [@rmadar](https://linux-community.web.cern.ch/u/rmadar)\ **Replies:** 4\ **Last updated:** [October 25, 2022, 7:31am UTC](https://linux-community.web.cern.ch/t/cernbox-client-with-ubuntu-22-04/177 "2022-10-25T07:31:45Z")
Hello, I am trying to install the cernbox client on the very last ubuntu distribution 22.04 and I encounterd some issues. I have followed the instructions of Install Linux Packages | CERNBox: CERN Cloud Storage Hub and … --- ## [Cernbox on ubuntu 22.04](https://linux-community.web.cern.ch/t/cernbox-on-ubuntu-22-04/182)
**Author:** [@hesketh](https://linux-community.web.cern.ch/u/hesketh)\ **Replies:** 4\ **Last updated:** [August 18, 2022, 8:19am UTC](https://linux-community.web.cern.ch/t/cernbox-on-ubuntu-22-04/182 "2022-08-18T08:19:14Z")
Hi, I’m using kubuntu 22.04, and have installed cernbox from repo.2.10.1, but can’t seem to connect to my folders. Upon launching, I get the connection wizard. First it request a server address, and I use https://cernb… --- ## [CERNBOX for Ubuntu 20.04](https://linux-community.web.cern.ch/t/cernbox-for-ubuntu-20-04/96)
**Author:** [@dcressat](https://linux-community.web.cern.ch/u/dcressat)\ **Replies:** 4\ **Last updated:** [March 11, 2022, 9:19am UTC](https://linux-community.web.cern.ch/t/cernbox-for-ubuntu-20-04/96 "2022-03-11T09:19:28Z")
I’ve been dealing with ticket RQF1615983, a request for CERNBOX for Ubuntu 20.04. The guy Fabrice le Goff, has created a deb package and I’m posting the steps he took: I compiled cernbox client from the source availabl… --- ## [CERN Certificates for influxdb on RPI](https://linux-community.web.cern.ch/t/cern-certificates-for-influxdb-on-rpi/168)
**Author:** [@maakrawc](https://linux-community.web.cern.ch/u/maakrawc)\ **Replies:** 0\ **Last updated:** [March 3, 2022, 5:43pm UTC](https://linux-community.web.cern.ch/t/cern-certificates-for-influxdb-on-rpi/168 "2022-03-03T17:43:55Z")
As I try to connect to the influxdb instance I get the following warning: /usr/lib/python3/dist-packages/urllib3/connectionpool.py:1015: InsecureRequestWarning: Unverified HTTPS request is being made to host ‘dbod-hgcal… --- ## [BOOT PXE for HP EliteBOOK](https://linux-community.web.cern.ch/t/boot-pxe-for-hp-elitebook/166)
**Author:** [@joel](https://linux-community.web.cern.ch/u/joel)\ **Replies:** 0\ **Last updated:** [January 11, 2022, 8:46am UTC](https://linux-community.web.cern.ch/t/boot-pxe-for-hp-elitebook/166 "2022-01-11T08:46:24Z")
Hi, How I can force to boot on PXE an HP elitebook x360 ? I force the PXE boot on the bios and I have set the OS in landb but I am still boot on the current windows installation. Thanks in advance. joel. --- ## [Afs on Manjaro - cannot start the service](https://linux-community.web.cern.ch/t/afs-on-manjaro-cannot-start-the-service/150)
**Author:** [@bjlindst](https://linux-community.web.cern.ch/u/bjlindst)\ **Replies:** 0\ **Last updated:** [September 17, 2021, 10:17pm UTC](https://linux-community.web.cern.ch/t/afs-on-manjaro-cannot-start-the-service/150 "2021-09-17T22:17:38Z")
I am trying to get access to afs on Manjaro, but I am unable to start the openafs-client. I get the following error: × openafs-client.service - OpenAFS Client Service Loaded: loaded (/usr/lib/systemd/system/openafs-cl… --- ## [About Asus Pro WS WRX80E-SAGE SE WIFI motherbiard](https://linux-community.web.cern.ch/t/about-asus-pro-ws-wrx80e-sage-se-wifi-motherbiard/145)
**Author:** [@gantchev](https://linux-community.web.cern.ch/u/gantchev)\ **Replies:** 0\ **Last updated:** [August 11, 2021, 2:04pm UTC](https://linux-community.web.cern.ch/t/about-asus-pro-ws-wrx80e-sage-se-wifi-motherbiard/145 "2021-08-11T14:04:35Z")
Is this MB: Asus Pro WS WRX80E-SAGE SE WIFI compatible with CentOS? --- ## [Kinit: krb5\_get\_init\_creds: Clock skew too great](https://linux-community.web.cern.ch/t/kinit-krb5-get-init-creds-clock-skew-too-great/134)
**Author:** [@vveckaln](https://linux-community.web.cern.ch/u/vveckaln)\ **Replies:** 3\ **Last updated:** [May 3, 2021, 2:05pm UTC](https://linux-community.web.cern.ch/t/kinit-krb5-get-init-creds-clock-skew-too-great/134 "2021-05-03T14:05:15Z")
When running kinit I experience this problem: v@v-VirtualBox:~$ kinit -f vveckaln@CERN.CH vveckaln@CERN.CH's Password: kinit: krb5\_get\_init\_creds: Clock skew too great Also the NTP service is not supported: v@v-Virtu… --- ## [CentOS 8 retirement - where next?](https://linux-community.web.cern.ch/t/centos-8-retirement-where-next/116)
**Author:** [@piperov](https://linux-community.web.cern.ch/u/piperov)\ **Replies:** 4\ **Last updated:** [May 3, 2021, 9:41am UTC](https://linux-community.web.cern.ch/t/centos-8-retirement-where-next/116 "2021-05-03T09:41:17Z")
In the context of the recent announcement that IBM will terminate CentOS8 prematurely, and not provide a free ‘Enterprise’ releases anymore, I was just curious if CERN, Fermilab, ETH, DESY will consider reviving the Scie… --- ## [Search button not working](https://linux-community.web.cern.ch/t/search-button-not-working/135)
**Author:** [@vveckaln](https://linux-community.web.cern.ch/u/vveckaln)\ **Replies:** 0\ **Last updated:** [May 1, 2021, 7:53am UTC](https://linux-community.web.cern.ch/t/search-button-not-working/135 "2021-05-01T07:53:11Z")
After entering the search term and pressing enter or clicking the search button nothing happens. --- ## [How can I mount EOS folders in my Ubuntu machine?](https://linux-community.web.cern.ch/t/how-can-i-mount-eos-folders-in-my-ubuntu-machine/128)
**Author:** [@efthymio](https://linux-community.web.cern.ch/u/efthymio)\ **Replies:** 3\ **Last updated:** [March 3, 2021, 9:19am UTC](https://linux-community.web.cern.ch/t/how-can-i-mount-eos-folders-in-my-ubuntu-machine/128 "2021-03-03T09:19:26Z")
Hello, I have a new installation in a desktop pc in my office with the latest Ubuntu release. I tried to follow the instructions in : https://cern.service-now.com/service-portal?id=kb\_article&n=KB0006614 but failed. I … [Next page](https://linux-community.web.cern.ch/latest.md?page=1)