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
1
vote
1 answer
Can't password-connect with SSH to CentOS7 machine we sent a password packet, error
I'm trying to reach a machine (CentOS7) over SSH with password authentication.
The machine is on a private network off the internet.
I tried to connect from a Windows 10 host and from another CentOS7 server (and from VSCode SSH Remote Extension).…
NeitoFR
- 121
- 4
1
vote
1 answer
Apache remains on PHP 7 while server versions is php 8
I've just installed php 8 (following https://rpms.remirepo.net/wizard/) on my VPS running CentOS 7. While in the CLI it shows that PHP 8 is available, when I serve a webpage with phpinfo() it still shows php 7.
PHP 8.0.7 (cli) (built: Jun 1 2021…
Robert Bouten
- 113
- 1
- 5
1
vote
2 answers
Urgent help needed with GRUB centos
Today I had an email of OVH saying my server was hacked (it was nothing more than a wordpress plugin of a client messing around) but it ended with my server forced to Rescue Mode and I'm not able to boot normally anymore.
My server has 2 disks:
Disk…
Jorge O.H.
- 19
- 1
1
vote
1 answer
Openldap and nfserver, both work although /home/user cannot be created unless I log into the nfserver first with new ldapusers
I have an openldap server I set up on cent os 7. I blended it to work with all my other VMs that mount a nfs mount from a nfs server for their /home.
I just figured out that if I create a new ldap user, and try to log into some VM it lets me login…
Codejoy
- 107
- 5
- 17
1
vote
1 answer
Openstack not able to connect port 5000
I recently started working on openstack-train(centos7). I created 2 nodes on virtualbox which are on subnet 192.168.56.0/24. I read and followed the official train docs and encountered issue when i was installing keystone module. When i run any…
Gaaki
- 13
- 6
1
vote
1 answer
Incorrect # of Hugepages in `numstat`
I asked a similar question years ago.
Now, my machine has four 1G hugepages and 256 2MB hugepages:
# cat /sys/devices/system/node/node0/hugepages/hugepages-1048576kB/nr_hugepages
4
# cat…
HCSF
- 245
- 3
- 14
1
vote
1 answer
acpi package has zero elements CentOS 7 boot error
I hope I asked this in the right StackExchange site, didn't knew where to post.
I have this boot error (attached), I can't understand much from it, acpi package has zero elements , etc.
I had Centos 7.9 clean installed on a computer with AMD Ryzen 5…
adrianTNT
- 1,077
- 6
- 22
- 43
1
vote
0 answers
yaml.parser.ParserError: while parsing a block mapping
I followed this document while configuring patroni and I have a problem with patroni.service file like this
https://snapshooter.com/learn/postgresql/postgresql-cluster-patroni
[Unit]
Description=Runners to orchestrate a high-availability…
Tùng Nguyễn
- 51
- 1
- 5
1
vote
2 answers
munin-node worked fine, now "start operation timed out"
I have had munin-node running successfully on my machine for a while, but since recently it won't start anymore. There is no munin-node log for me to check, and systemctl status munin-node does not give a lot of helpful information…
Energya
- 121
- 3
1
vote
0 answers
Removing firewalld passthrough rules
This one is causing me confusion. Add a permanent passthrough rule: -
# firewall-cmd --permanent --direct --add-passthrough ipv4 -I INPUT -p TCP --dport 65533 -j DROP
success
Issue a reload so the rule takes effect
# firewall-cmd --reload
Verify…
AlanG
- 21
- 1
1
vote
0 answers
Packet Loss with NIC Teaming and Independent Switches
I've got several Linux hosts (CentOS 7, x86_64) configured with NIC teaming for redundancy and load balancing. Two 10 GBit ports on the host are connected to two 10 GBit switches and configured to listen to the same IP. The problem we have is that…
Thomas J. Girsch
- 51
- 1
- 7
1
vote
0 answers
Tracking TCP Connection in background
I am looking for a daemon utility to track all non local TCP connections and which binaries establish the TCP connections (actively and passively) with which IPs and ports.
auditd seems like a great tool.
Following this post, I notice that the…
HCSF
- 245
- 3
- 14
1
vote
1 answer
rkhunter update failed, cannot find dat files
I have a CentOs 7.6 up and running with rkhunter for a long time now. After all my os updates, I run rkhunter --update --propupd but it fails since recently.
[ Rootkit Hunter version 1.4.6 ]
File updated: searched for 175 files, found 133
Checking…
Zian
- 113
- 1
- 5
1
vote
1 answer
Reusing a disk which was in the RAID array
My DC has added a new hard disk. It appears as md124 inactive sdc1. When I try to mount, the error is unknown filesystem type 'linux_raid_member',
I need to use this disk for backup VM. Can I just do a fdisk /dev/sdc1?
Or I do have to break the raid…
Christoper lim
- 11
- 1
1
vote
0 answers
Gzip compression or Mod_deflate not working
Our wordpress website we need to enable gzip compression we followed below instruction to enabled.
we have wp rocket plugin this plugin automatically added compression mode_deflate lines in .htaccess
We try to enable from server side so we…
user623197
- 11
- 2