CentOS is a Linux distribution standing for "Community ENTerprise Operating System" and is a rebuild of "Red Hat Enterprise Linux" (RHEL), belonging to the same company that distributes RHEL (Red Hat, Inc.). The "CentOS7" tag refers to versions 7.x-xxxx of CentOS, working only on 64-bit hardware. Maintenance updates for CentOS/RHEL 7 will stop on June 30, 2024, with full updates ceasing in winter of 2019.
Questions tagged [centos7]
2960 questions
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AD group membership isn't always reflected
I have a problem regarding AD group membership not being always reflected on a Linux machine.
I have joined several CentOS 7.8 machines in my AD, based on Samba and Winbind. After the join, those machines are successfully added to the domain and…
Frantz
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Installing pgAdmin4 on CentOs - issue with conflicts
I'm a newbie regarding configuration and all stuff related to servers. But I just want to install postgresql and pgAdmin4 on my server.
So installing postgresql went quite well without any issues. But unforutnately I faced an issue during…
Restir
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LXC routing container subnet routing
I have a CentOS 7 box with 2 NICs - one ethernet port, and one wireless.
I would like to create an lxc container that acts as a router that meets the following requirements:
When running hostapd, client's which are connected to the access point…
Zane
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CentOS disable IPv6 SLAAC EUI-64 Address Generation
While manually assigning a static IPv6 address on CentOS release 7.9.2009 works. I noticed that another (second) IPv6 address is being generated the so called EUI-64 containing ff::fe in the middle of the host part of the address. I want to remove…
Tito
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dovecot: can't open pid file
im new here :) after 2 days of googling and trying whatever i could I can't get rid of this:
systemd[1]: Can't open PID file /var/run/dovecot/master.pid (yet?) no such file or directory
i found info to change ownership of /var/run/dovecot/…
slowpoke
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cron takes UTC time instead of local time
I've a script set in cronjob to run at 00 hours but it runs 5 hours earlier ie at 7PM local of earlier day. I mean it was supposed to run at local 00 hours of local time but it ran at 00 hours of UTC/GMT.
timedatectl output
…
arun kushwaha
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How to fix embedded videos slow buffering speed on CentOS 7 server?
The video bufferings when embedded on other websites are so low on speed. It waits a lot of time to buffer the video. When they are playing on own server without embed its okay to buffer.
Tried installing mod streaming:
$ wget…
Fixiywp
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multisite in apache/httpd in centos 8 : out of three sites, two sites pointing same folder
I am trying configure multisite in centos 8 in Digital Ocean in Apache server, also called httpd for centos. I am following this tutorial. but skipped the permission and SELniux part.
The three sites i have…
Black Swan
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How to read binary contents of free disk space in CentOS
Is there a way I can use dd or another tool to view the binary contents of free disk space in CentOS? In case it matters, it's a Linux logical volume with XFS format, holding data only (not a common system volume such as / or /var).
Some process…
frazierjason
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How to use rsyslog templates to write log files based on a wildcard syslog facility?
My systemd target/service design has multiple sub-services all uniquely identified. My test.target requires 10 test-@.service instances. The result is target runs and there are 10 identified services. e.g. test-@0.service, test-@1.service, etc...…
dubmojo
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nginx serving wrong certificate for vitual hosts with own conf file
I've got a few virtual hosts set up through nginx on my centos7 server. I'm getting certs by using letsencrypt certbot. By default certbot writes the vhost info to the /etc/nginx/nginx.conf file. This isn't the behavior I want. I use the…
LoneWolfPR
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Swap being used when not necessary
I have: vm.swappiness = 1 as suggested here to prevent using Swap when there is plenty of available memory.
(0 would completely disable swap, as far as I understand)
In frequent cases, I end up with, say, 5GB swap used (total 16GB),
while I have 9GB…
Nuno
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Certwatch Falsely Reporting an Expired Cert
This is a bit of a weird one.
Every morning I get an email telling me one of my certificates is expired.
################# SSL Certificate Warning ################
Certificate for hostname '*.floodtrack.com', in file (or by nickname):
…
scarville
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Systemd permission denied on creating a folder
I am trying to install InfluxDB 2.0 and followed the instruction here in Centos 7.
So, my service files is: /lib/systemd/system/influxdb.service and its content:
[Unit]
Description=InfluxDB 2.0 service…
Dilshad Abduwali
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CentOS7 GPU cluster, expanding partition volume
I have a question. I'm trying to increase the disk partition to more than 50G, which I recall was the default given by CentOS7 during installation. I'm wondering how to go about doing so, since I have this as a raid0 setup. And I obviously don't…
Ming Lee
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