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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RAID1 array always degraded when rebooted after changing SATA controller
My software RAID1 arrays (/boot, /) always become degraded when restarted after adding SATA controller.
It's CentOS 7.
Here is what happening and what had been done:
I made 4-disks RAID1 arrays with following setup: SATA Controller A (-HDD1 /…

NON
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`fio` does not timeout even specified?
# fio --name=random-write --directory=/mnt/test/ --ioengine=posixaio --rw=randwrite -bs=4k --numjobs=1 --size=4g -iodepth=1 -runtime=600 --time_based --end_fsync=1
random-write: (g=0): rw=randwrite, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T)…

HCSF
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How can I block all traffic to PlayStation network?
Guys I have multiple servers with OpenVPN installed on them and they are all getting suspended left and right due to abuse reports from PlayStation network . Now , I'm assuming that my VPN clients are trying to crack PlayStation accounts , right ?…

master lfc6
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How can I share the SSH keyes between two users on a CentOs 7 machine?
I am not a sysadmin\network specialist (I am s software developer) and I am finding the following difficulty working on a Linux CentOS 7 remote machine of a customer.
I am using MobaxTerm to connect to this machine. they provided me a .ppk file and…

AndreaNobili
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1 answer
Installed xinetd, started it but said 'removing' on several services including one I configured in /etc/xinetd.d/
I am new to xinetd, but trying to mimic an old machine on site that is using it. So I copied the configs on that machine (changing names where appropriate) and then tried to start xinetd. Then realizd, it is not installed on my fresh centos7…

Codejoy
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Mistake with DKIM 9936A801ED08: no signing table match for using wildcard
I have configured DKIM to be used with wildcards in SigningTable (Centos7)
But it gives me an error, and I am not able to see it.
Feb 15 08:46:56 monitor01 postfix/submission/smtpd[3374]: connect from localhost[127.0.0.1]
Feb 15 08:46:56 monitor01…

abkrim
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Set default Php in CentOS 7
I have a centos server 7 with php 7.2 default installation. So, if I run php-v I get as output :
PHP 7.2.34 (cli) (built: Feb 3 2021 09:23:21) ( NTS )
Copyright (c) 1997-2018 The PHP Group
Zend Engine v3.2.0, Copyright (c) 1998-2018 Zend…

user1356820
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2 answers
Unable to start services in Centos 7 with error "Authorization not available" even as root user
I am not able to start services for the following Centos 7 server
[root@myserver home]# uname -r
3.10.0-1160.11.1.el7.x86_64
[root@myserver home]# cat /etc/centos-release
CentOS Linux release 7.9.2009 (Core)
I first realised there was a problem…

rnoodle
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Grub2-install: warning: Couldn't find physical volume in Centos 7
After replacing the disk with raid 1, I have this problem:
grub2-install --recheck /dev/nvme0n1
Installing for i386-pc platform.
grub2-install: warning: Couldn't find physical volume `(null)'. Some modules may
be missing from core…

Infoposter
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1 answer
RPM Spec files: Set %config files from a list of files
Example snippet of a SPEC file:
...
%install
unzip $RPM_SOURCE_DIR/APPLICATION-%{version}.zip -d %{buildroot}/
find %{buildroot} -type f ! -name "*.conf" | awk -F %{buildroot} '{print $2}' > filelist.txt
find %{buildroot} -type f -name "*.conf"…

gspoosi
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pcs running but status shows resources stopped
My first time setting up pcs. I have two CentOS 7 VM's on which I installed pcs and Pacemaker. I defined a virtual IP and Apache HTTP cluster.
The two VM's have IP's 192.168.56.121 and 192.168.56.122. The VIP is configured for 192.168.56.199. I can…

Hussain Akbar
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logrotate not rotating file, but is running
Running CentOS 7 and have several logrotate scripts. For the past several days I've noticed it hasn't rotated my files. When I check logrotate.status it says it ran, but my logs are indeed not rotated. Forcing them to run manually it works as…

Phaelax z
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1 answer
How to apply updates downloaded by yum-cron?
I have yum-cron running on a new Centos 7 server. I noticed in the daily emails that it sent me that the same packages were appearing every day. On further inspection, I found that this is because I had the following setting in my…

Daniel Howard
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2 answers
Process that adds hosts as unreachable
I have been troubleshooting an issue where users could not connect to a CentOS 7 server from a particular host. I eventually determined that the system considered the requesting host to be unreachable, and so was unable to send any response.
Running…

Brett38
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1 answer
Munin server can't connect to node
I want to add a new node running CentOS 7 to be monitored by my munin server (CentOS 7), but it cannot connect to it. It connects to my other nodes (also CentOS 7) just fine, and is able to ping the new node in question:
[root@australium ~]# ping…

Energya
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