Discuss February 2020

discuss@lists.centos.org

85 participants
65 discussions

MATE 1.20 test build for CentOS 7 available
by Greg Bailey 14 Oct '21

14 Oct '21

Hi everyone, There's been discussions in the past about updating MATE RPMs in EPEL-7: https://bugzilla.redhat.com/show_bug.cgi?id=1436260 https://lists.centos.org/pipermail/centos/2019-August/173154.html (and lots of others...) As a proof-of-concept, I've written some scripts that clone specific commits from the Fedora master branches, and then runs a tool to re-apply RPM scriptlets that are required by EL7 but removed from the Fedora .spec files. The scripts are available at: https://github.com/gebailey/mate-rpms/tree/master/1.20/el7 There's also instructions there if you want to try upgrading to MATE 1.20 w/o rebuilding them yourself. If these packages work for others, perhaps we can revisit the idea of updating the epel7 branches of the Fedora git repos and submitting an official update. There's nothing here (yet) about building MATE 1.22 (which might require a newer gcc for EL7), or building anything on CentOS 8, but thought the CentOS 7 users might find this helpful. -Greg

6 17

Brother HL-L2360DW printing quality
by H 23 Jul '20

23 Jul '20

I have the above printer but have not been able to resolve issues with the printing quality in CentOS 7. The test page prints fine but when I print PDF-documents, most recently using Chinese fonts, it is lacking and the pages very hard to read. The settings in the Mate Cups configuration panel are fine and set to 600 dpi, the settings in the printer menu are all OK yet it prints more like maybe 150 or even 75 dpi. Any suggestion what might be wrong?

3 7

bcc tools and bpftrace packages misbuilt?
by Eric Zuck 15 Apr '20

15 Apr '20

After upgrading to 8.1.1911, bcc-tools and bpftrace seem to be broken. Current package versions I have: bpftrace-0.9-3.el8.x86_64 and bcc-tools-0.8.0-4.el8.x86_64 Both of these seem to be pulling in LLVM version 7, rather than the version 8 that is in 8.1.1911: [root@localhost ~]# bpftrace bpftrace: error while loading shared libraries: libclangFrontend.so.7: cannot open shared object file: No such file or directory [root@localhost ~]# /usr/share/bcc/tools/opensnoop Traceback (most recent call last): File "/usr/share/bcc/tools/opensnoop", line 19, in <module> from bcc import ArgString, BPF File "/usr/lib/python3.6/site-packages/bcc/__init__.py", line 27, in <module> from .libbcc import lib, bcc_symbol, bcc_symbol_option, _SYM_CB_TYPE File "/usr/lib/python3.6/site-packages/bcc/libbcc.py", line 17, in <module> lib = ct.CDLL("libbcc.so.0", use_errno=True) File "/usr/lib64/python3.6/ctypes/__init__.py", line 343, in __init__ self._handle = _dlopen(self._name, mode) OSError: libclangFrontend.so.7: cannot open shared object file: No such file or directory Looking through the CentosBug tracker, I see https://bugs.centos.org/view.php?id=16922: qt5-doctools-5.11.1-9.el8 from CentOS CR/8-stream is misbuilt https://bugs.centos.org/view.php?id=16930: rust-1.37.0-1.module_el8.1.0+246+1f1fd47e built against old libLLVM-7.so So, I gather that bcc-tools and bpftrace are not the only packages affected by an LLVM mismatch. Short of downloading and rebuilding the packages, does anyone have any suggestions about workarounds? Regards, -EricZ

1 1

CentOS 8.1 cron does not send mail
by Tobias Kirchhofer 06 Apr '20

06 Apr '20

Hi, we experience difficulties with crond behaviour sending mail since CentOS 8.1. The cron job is the same like we used in CentOS 7. crontab -l /usr/bin/python3 -c 'import random; import time; time.sleep(random.random() * 3600)' && /usr/local/bin/backup.sh backup.sh writes the backup to the remote backup server. There are around 30 machines with the same cron job. The python part spreads the jobs over an hour so that the backup server is not struck at once from about 30 machines. The change in behaviour is that crond sends no mail anymore. It is because of the logical and (&&). Without this crond sends mails. What has changed in CentOS 8 and does anyone has an idea how we could fix it? Thank you! Tobias -- collect(a)shift.agency

5 12

SQL modeling tool for CentOS 7
by H 04 Mar '20

04 Mar '20

I am looking for an open-source SQL modeling tool to use with MySQL, MariaDB and PostgreSQL. Does anyone have a favorite?

3 6

Installing a single rpm package from desktop/browser on CentOS 7
by Toralf Lund 02 Mar '20

02 Mar '20

If I want to install a software package from a simple rpm file "the GUI way" on a CentOS 7 system, what am I supposed to do? If I open the file in the desktop, or alternatively, click on a link to a package in the browser and tell it to use the default app, gnome-software (I think) opens, but it just displays the message Sorry, something went wrong I mean, really? Isn't this something that should just work? It certainly did in past releases... If I quite simply remove gnome-software, which I don't much like anyway, it looks like the handling reverts to the archive extract tool (whatever it's called these days), which is actually an improvement, but still not very helpful. So, what's everyone else doing in these situations? Is there a "standard" alternative application? I know this was handle by gnome-packagekit for a while, but its component for installation from file seems to be gone. And, yeah, I know about rpm command line and yum and all, but shouldn't there be a "more user-friendly" way? Thanks. - Toralf

6 8

Encrypted container on CentOS VPS
by H 29 Feb '20

29 Feb '20

I wonder if it is possible to set up an encrypted "file container" on a CentOS VPS? I am the root user of the VPS but the hosting company also has access to the VPS and thus all files. Is it possible to create a LUKS-container on the VPS and those files only be accessible by me? IOW, most of the file system on the VPS would be regular file system but the container could be used by me as needed. This would allow the VPS to reboot normally, I could ssh in normally etc etc. I would rsync files as needed to this LUKS-container though.

10 20

Script to monitor websites and generate RSS feed when they change
by H 29 Feb '20

29 Feb '20

Looking for the above. I have found sites where you can register the sites you are interested in - as well as yourself - but I would rather run something myself on my server to monitor websites etc which do not have RSS-feeds. Does anyone use something like this?

2 3

CentOS 7 : SELinux trouble with Fail2ban
by Nicolas Kovacs 28 Feb '20

28 Feb '20

Hi, Some time ago I had SELinux problems with Fail2ban. One of the users on this list suggested that it might be due to the fact that I'm using a bone-headed iptables script instead of FirewallD. I've spent the past few weeks getting up to date with doing things in a more orthodox manner. So currently my internet-facing CentOS server has a nicely configured NetworkManager, and FirewallD has replaced the iptables script. Unfortunately when I install FirewallD from EPEL, I still get the same error. SELinux is preventing /usr/bin/python2.7 from read access on the file disable. ***** Plugin catchall (100. confidence) suggests ***** If you believe that python2.7 should be allowed read access on the disable file by default. Then you should report this as a bug. You can generate a local policy module to allow this access. Do allow this access for now by executing: # ausearch -c 'f2b/server' --raw | audit2allow -M my-f2bserver # semodule -i my-f2bserver.pp Weirdly enough, when I follow this suggestion and then empty audit.log and restart my server, I still get the exact same error again. Which makes Fail2ban unusable with SELinux in enforcing mode in the current state. Any suggestions ? Niki -- Microlinux - Solutions informatiques durables 7, place de l'église - 30730 Montpezat Site : https://www.microlinux.fr Mail : info(a)microlinux.fr Tél. : 04 66 63 10 32 Mob. : 06 51 80 12 12

7 8

vmware tools do not start on EL6 / upstart init
by Leon Fauster 28 Feb '20

28 Feb '20

Hi all, I got two CentOS6 guest vms handed over that run under VMware ESX. After installing the missing last updates and reboots I noticed that the vmware-tools got not started while booting (/etc/init/vmware-tools.conf), while manually starting works (/etc/vmware-tools/services.sh start). Does someone has the same behaviour. Any ideas about the cause? Thanks, Leon

1 0

2024

2023

2022

2021

2020

2019

2018

2017

2016

2015

2014

2013

2012

2011

2010

2009

2008

2007

2006

2005

2004

Discuss February 2020