Questions tagged [centos7]
CentOS 7 is [end of life](https://www.redhat.com/en/topics/linux/centos-linux-eol).
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"Could not prepare Boot variable: No such file or directory" when cobbler imaging server
We've been successfully imaging Dell R350 servers using cobbler in a production environment. The target OS is CentOS7.9. We're now trying to image the new Dell R360 using the same cobbler and same ...
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How to store rsyslog client logs separately from server local messages logs
Fams. I have a rsyslog server. The logs sent from the rsyslog client are stored in a separate file, but are also entered into the local messages file on the rsyslog server. I want the client logs not ...
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Dnsmasq: exclude certain subdomains from custom routing
I'm using Dnsmasq to route the names of services hosted on a server to localhost, so it doesn't reach out through the internet to them. I had done so like this:
address=/.sub.ourdomain.com/127.0.0.1
...
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Call to php mail() are not queued in postfix
I'm running CentOS7, PHP 8.0.30, postfix 2.10.1-9.el7
Sometimes emails we try to send through php mail() function are not sent and after enabling verbose logging for postfix's pickup, cleanup, qmgr, ...
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How to automatically retrieving full version in CentOS Repo Files [closed]
Encountered an error with yum update, so I manually modified the repo file located at /etc/yum.repos.d/CentOS-Base.repo
File content:
[base]
name=CentOS-$releasever - Base
#mirrorlist=http://...
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1
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Error installing newer version of Git after CentOS 7 end of life in 2024 [closed]
After CentOS 7 end of life, the yum update command results in an error.
I deleted the files:
CentOS-Base.repo
CentOS-CR. repo
CentOS-Debuginfo.repo
CentOS-fasttrack.repo
CentOS-Media.repo
CentOS-...
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how to open 3389 TCP on CSF for Remote Desktop Connection in CentOS 7?
Recently I installed CSF and disabled firewalld on centos 7
when it was on firewalld there was no problem with remote connection
but now I'm not able to connect throught remote desktop because of CSF ...
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Wireguard Error: RTNETLINK answers: Operation not supported on CentOS 7
Our server is still on CentOS 7 and I am trying to use Wireguard on it.
While starting it, it gives:
$ sudo wg-quick up wg0
[#] ip link add wg0 type wireguard
RTNETLINK answers: Operation not ...
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How to temporarily disable a primary IP without losing other IPs on the same interface
Context
I am working on Centos 7 and I have a network interface eth0 configured with multiple fixed IP addresses (I am only concerned about the IPv4 addresses here, I do not care what happens to the ...
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CentOS 7 no LVM how to expand disk
I have this situation:
root{1}$ lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
fd0 2:0 1 4K 0 disk
sda 8:0 0 200G 0 disk
├─sda1 8:1 0 1000M 0 part /boot
├─sda2 8:2 ...
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Apache crashes causing 504s
I have a Centos 7 server on which I installed apache 2.4.58, it has been crashing for 2 days after a short time that it is online, I keep stopping the apache service (systemctl stop httpd.service) and ...
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Can't start MariaDB after replacing 5.6 with 10.4
I have an old VM I use for dev testing - it runs CentOS 7.9 with nginx, PHP, and MariaDB. The MariaDB version was really old (5.6), but it was working well enough for me until today when I wanted to ...
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How to prevent automatic kernel subnet routing in Centos 7?
I'm using Centos 7 as a firewall by iptables and iproute2 routing rules.
My server has:
Three VLAN interfaces: VLAN10, VLAN20, VLAN30
Two custom routing tables: 100 and 200 in /etc/iproute2/rt_tables
...
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Why OOM killer doesn't catch the obvious misbehaving process?
On a CentOS 7 (with a 3.10 kernel) server I was surprised to find out that mysqld process was "oom killed". The reason was obvious, I sometimes run a very memory hungry process (WebTorrent), ...
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Upgrade pacemaker corosync drbd Cluster from centos7 to almalinux
I have an active passive pacemaker Cluster for vms running with drbd 84 and corosync in centos7.
AS centos7 eol is coming soon I am in the need of upgrading the cluster to a newer distribution. ...
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