Questions tagged [centos]
CentOS is a free (as in beer and speech) GNU/Linux distribution that is community driven and based on source code released from RedHat.
10,680
questions
0
votes
0
answers
4
views
Config a CwPanel local server to read local domains
I have the following situation: I have a local test server where I use Almalinux 8 with CWPanel. I have several test domains configured on it: 192.168.1.50/~virtual 192.168.1.50/~cliente 192.168.1.50/~...
0
votes
0
answers
31
views
OS seems to be unchanged after issuing `dnf system-upgrade reboot`
I'm hoping to upgrade from CentOS Stream 8 to CentOS Stream 9.
I've issued these commands
dnf install dnf-plugin-system-upgrade
dnf system-upgrade download --releasever=9 --allowerasing --skip-...
- 1,148
0
votes
1
answer
32
views
How can I upgrade from Centos Stream 8 to 9, now that 8 is EOL?
When I google for this, the walkthroughs I find tend to start with
dnf install dnf-plugin-system-upgrade
Unfortunately, now that CS8 is EOL, that returns
CentOS Stream 8 - AppStream ...
- 1,148
0
votes
0
answers
44
views
+50
kex_exchange_identification: read: Connection reset by peer when deploying to Centos 9 stream
I'm using Deployer PHP v7 to deploy my project to my server into multiple folders (although this isn't specific to Deplyoer)
My server is Centos 9 Stream. I need to deploy my project into multiple ...
- 49
0
votes
2
answers
44
views
PHP Unable To Write To Cache Directory
I'm getting the below error on a CentOS 9 Stream server when a request comes in from PHP. It looks like the phpFastCache module can't write to the cache directory.
2024/06/19 10:06:34 [error] 4789#...
- 211
0
votes
0
answers
27
views
Restore a FreeIPA DNS system
I use FreeIPA on a server, a Centos Server 8 (a main and replica).
This is used to authenticate system users, for logon purposes by using SSH key authentication, and also hosting DNS name records.
A ...
1
vote
1
answer
118
views
kubectl explain Subsequent entries cannot be automatically completed
kubectl explain Subsequent entries cannot be automatically completed.
System: Centos 7 2009
Executed commands
yum install bash-completion -y
echo "source <(kubectl completion bash)" &...
- 21
0
votes
0
answers
191
views
Extract option missing from Files (Nautilus) after upgrade/conversion to AlmaLinux
I recently upgraded and converted my server from Centos 7 to AlmaLinux 8 via leapp, and after upgrading, I noticed that in the default Gnome3 file manager (nautilus), under Centos 7 I could right lick ...
- 99
0
votes
1
answer
140
views
Apache reverse proxy 503 custom page not working properly
I am trying to setup a custom 503 error page on my website. I am using this apache configuration.
# Exclude the Maintenance directory from being proxied
ProxyPass /Maintenance !
# ProxyPass other ...
- 263
3
votes
3
answers
4k
views
Is upgrading from CentOS Stream 8 to CentOS Stream 9 now straightforward?
I looked into this a while back, and lots of people were saying it wasn't supported, and talking about "hacky" ways of doing it. That was 2 years ago though.
Some googling now suggests it ...
- 1,148
1
vote
1
answer
38
views
Regarding the issue of degraded query performance after upgrading bind9
I would like to ask if anyone has encountered a problem where query performance deteriorates after upgrading the bind version. Here are the performance test results for versions 9.16.49, 9.18.25, and ...
- 11
0
votes
0
answers
22
views
Disconnect NIS authentication on SVN server
I have SVN configured to authenticate against NIS, also not sure how it authenticates against NIS.
I want to disconnect the server from NIS and convert it to local authentication.
How this can be ...
- 21
0
votes
0
answers
106
views
Docker renders server inaccessible when starting
Docker on Centos 7, using Portainer to manage containers. I created a sonarqube container from YML. When I deployed the "stack" I never had and answer.
Starting docker from console with: ...
- 1
0
votes
0
answers
56
views
SSH tunel on Linux
I am creating an SSH tunnel with this command:
ssh -L 0.0.0.0:9944:localhost:9922 localhost -N -p 8844
It works great, no problems. But, for some reason, when I execute this command above in my ...
- 316
1
vote
0
answers
40
views
Nasty character encoding issue
I have been using a FOSS software written in perl (sql-ledger) for many many years. Currently self hosted on CentOS 7. For some reasons, I need to update OS to a higher version (preferably Rocky/Alma ...
- 11
0
votes
3
answers
128
views
How to copy file from /opt directory in local system to remote system in /opt directory with sudo user
I have redhat machine in this machine having some file under the /opt directory. I want to copy those file in remote machine /opt directory using rsync command. The condition is i'm using admin user ...
0
votes
0
answers
41
views
Deploying Openstack without internet access on CentOS Server
I want to deploy openstack on a CentOS server without internet access. I am really confused please help me if you know how I can do it.
These are a few options:
create a vm on another system with ...
- 1
0
votes
0
answers
162
views
Centos Network Manager -nmcli How to revert to previous status of network or remove properties of network?
I'm a newbie in network, so please understand me.
I have a bond network, but I added a bridge network to the bond as master using
nmcli con modify bond0 master br0
but after that, I lost IP address ...
- 1
0
votes
1
answer
333
views
imagick extension php loaded in command line but not load in httpd
I have installed imagick extension for php by command: pecl install imagick
After that, I restart httpd and restart php-fpm.
I checked imagick loaded in php command line but when use phpinfo() for ...
- 1
0
votes
1
answer
497
views
Cannot ssh into my vps ipv6 ip : Network is unreachable
The dashboard of my hosting company regxa provides me with a root password and ipv6 address to my CentOS server, no ipv4
I have tried using both putty and ssh cmd in my linux machine to connect to the ...
- 13
0
votes
0
answers
149
views
java.net.SocketException: Too many open files error in java 8 and wildfly
We are using wildfly 8 with jdk version 1.8 in centos stream 8 for our application. Recently we have been facing like application stop responding and on same time we found "Caused by: java.net....
- 1
0
votes
2
answers
149
views
Debian 12 higher disk activity than CentOS 7
We are in process of replacing our CentOS 7 boxes to run using Debian 12 and have noticed that the overall disk activity on the same server with the same processes running is significantly higher with ...
0
votes
0
answers
80
views
getting an error that my dnsl has no records
here is my code im so lost any help is greatly appreciated
$ORIGIN centos.local.
$TTL 86400
@ SOA dnsl.centos.local. hostmaster.centos.local. (
2001062501 ; serial
...
- 1
0
votes
2
answers
398
views
Unable to SSH VM instance after OS upgrade & reboot of VM instance in GCP
My VM instance was on CentOS 7
I recently attempted upgrading that to Almalinux 8 using below link
https://wiki.almalinux.org/elevate/ELevating-CentOS7-to-AlmaLinux-9.html#migrate-centos-7-to-...
google-cloud-platform
1
vote
4
answers
297
views
OpenSSH Requires Password AND Public Key!
I've inherited an old CentOS-6 system with OpenSSH 5.3 installed. And OpenSSH is behaving oddly: Currently the daemon requires the use of a public key and a password in order to login. (It's been this ...
0
votes
1
answer
63
views
Centos 7 - where else to look for a difference in network setup
I have 2 Hetzner dedicated machines with public ip4/28 address ranges.
Both were working with Centos 7.8, vagrant and Virtualbox - I could create vms with public IP addresses.
I wiped one and set it ...
- 149
0
votes
0
answers
13
views
Screen recording with gst-launch-0.10 on CentOS 6.7 + Gnome 2.28
I need to make short videos (1-2 minutes long) capturing the screen. Unfortunately I cannot install new software on this machine, so all I have is gst-launch and gst-launch-0.10 (of course, together ...
- 1
0
votes
4
answers
491
views
NGINX Reverse Proxy configuration not working
i have a Nginx Front End Server running on Centos9 on 10.0.100.6 and different docker Containers in the backend.
The docker container working fine i can acess them ez via port number BUT my nginx ...
- 1
1
vote
1
answer
97
views
Dual Xeon E5-2683v4 128GB 2x1TB SSD with 10 Wordpress Sites So Slow
I have 10 wordpress sites that is joined into a dedicated server. The main problem it gets slower than before. I have no idea why. I am trying to use top
top - 04:05:52 up 123 days, 2:38, 1 user, ...
- 113
0
votes
1
answer
185
views
Convert IPv6 from the compressed/short format to expanded format
When I execute the command ip address show my server shows hundreds of IPv6 that I have assigned to it. It works great, however the leading and trailing zeros are omitted from the IP addresses, and ...
- 316
0
votes
1
answer
136
views
Use `nmcli` to add `IPV6ADDR_SECONDARIES`
In my CentOS server, for compliance reason, I cant directly access the file /etc/sysconfig/network-scripts/ifcfg-eth0 but I can use nmcli to configure that file.
My problem is that I need to add this ...
- 316
0
votes
1
answer
52
views
I keep receiving login attempt to my server until it gets down
I have a Centos7 server and after years of correctly working, yesterday it started to being unreachable (The server apps I have there were not rechable, the SSH connection gave timeout, etc but the ...
- 103
-1
votes
1
answer
181
views
how to sync /home directory in Linux (centos)
How can I keep in sync my /home directory on two different systems?
I found something like unison, but it is no longer in the repositories of centos9.
Are there other possible solutions?
The ...
- 99
0
votes
1
answer
355
views
Syslog-ng Syslog Format to JSON Format are there pre-requisite?
My first time posting to Stack Overflow. I apologize if I am re-asking a question. I tried to search but nothing is really clear about what I'm trying to understand.
Do I need to configure additional ...
0
votes
0
answers
32
views
which Linux operating system will go for long term usage [duplicate]
Looking replacement of centos7
centos7 will expire on 30Th June 2024. so I am looking alternative like RHEL9. I dont know why, but rhel usage is low?
-1
votes
1
answer
173
views
Start ssh tunnel on server startup
I am running Centos stream and everytime after I start my server I have to run this command line:
ssh -L 0.0.0.0:9944:localhost:9922 localhost -N
After running this command, the OS will ask me to ...
- 316
0
votes
1
answer
177
views
Need Assistance: XCP-NG Fails to Boot Up After Disk Error
I am seeking assistance with an issue I am facing in my XCP-NG configuration on an HPE DL360 G7 server. Despite using this server for about a year without any problems, I recently encountered an issue ...
- 1
-2
votes
1
answer
77
views
Set a specific IP per program in CentOS
I have a VPS with multiple IPs assigned. In this VPS I run some programs that make requests on the network and, for some reason, all the requests use one specific IPv4 of my VPS.
However I have many ...
- 316
0
votes
1
answer
417
views
openssl can be found by yum but can't be found by pkg-config
I found openssl is already installed on my server
# yum list installed | grep openssl
openssl.x86_64 1:1.0.2k-26.el7_9 @updates
openssl-libs.x86_64 ...
- 103
0
votes
1
answer
540
views
peer closed connection in SSL handshake while SSL handshaking to upstream
I have the below flow
jmeter concurrent api request -> magento-host-server -> magento-container
The below error occurs only during the concurrent requests from apache jmeter of testing team are ...
0
votes
0
answers
499
views
"none of the providers can be installed" when I ran "sudo yum -y install nvidia-driver-latest-dkms"
I want to install NVIDIA Driver. I ran sudo yum -y install nvidia-driver-latest-dkms, but I got the following problem:
Error: Problem: package
nvidia-driver-latest-dkms-3:545.23.08-1.el7.x86_64 ...
- 29
-2
votes
2
answers
61
views
List the top 10 io usage
How can I print/capture the top 10 io usage? I'm using the iotop -o | head -n 11 but the output keeps changing. I wanted to capture the first output after running it.
Thank you,
0
votes
0
answers
54
views
Linux server management debian 10 and centos dhcp service host-name based Client Classing
I want to allocate a client's IP address based on the host-name provided by the client, but the results are often unpredictable.
I have tried to imitate the Client Classing in dhcpd.conf(5) by ...
0
votes
0
answers
796
views
Centos Stream 9 dnf yum upgrade error
When trying to upgrade Centos Stream 9 from terminal I get the error about weak SSL certificate, below is the output from terminal
$dnf check-update
CentOS Stream 9 - BaseOS ...
- 1
0
votes
0
answers
32
views
Configure a server to act as an internet gateway [duplicate]
I have two virtual servers hosted in Hetzner Cloud. The first server (let's call it Access Server) has a Public IP assigned and has internet access. The second server does not has a public IP assigned ...
2
votes
0
answers
127
views
Fix kickstart drift between CentOS 8 Stream behavior and CentOS 9 Stream behavior
I'm facing a weird situation on one of my server on the provisioning process.
Here is the machine HW Model:
HPE Proliant DL365 Gen 10 Plus with 6x 1.9TB SATA 6GBps SSD disks.
What's going on:
When I'm ...
- 975
0
votes
0
answers
73
views
What is the equivalent of /etc/apache2/envvars in EL-based systems?
In Debian-based systems, it's possible to source a bash script in /etc/apache2/envvars to dynamically set an environment variable. Here is an example:
Create a file (/etc/profile.d/myenv.sh) with the ...
- 1
0
votes
0
answers
374
views
CentOS - Apache MaxRequestWorkers issue
I've had a problem with Apache since this morning, I can no longer access the websites.
I get the error: server reached MaxRequestWorkers setting, consider raising the MaxRequestWorkers setting
I'm ...
0
votes
0
answers
33
views
Installing CentOS and Windows Server on the Hypervisor [duplicate]
Hello Server Fault community,
In our company, we are planning to install an ERP system, and the system provider has specified the following server requirements of the application:
CPU: 1x CPU Intel ...
0
votes
0
answers
83
views
session logging on CentOS stream
I had a Centos 8 installation with a working session logging setup (sssd, tlog). On any ssh login to the server the session was logged and sent to a syslog server. All the logins are local logins (/...
