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.
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God Process Monitoring - CentOS - Event System Not Found
I have god installed on at least a dozen (or more) servers running CentOS 5.5 in both i386 and x86_64 flavors that work perfectly. I just setup two new CentOS 5.5 x86_64 servers and installed God, but ...
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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/~...
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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 ...
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How to configure nDPI for iptables
I am new to nDPI, I have installed nDPI but when I add rules like;
iptables -I OUTPUT -m ndpi --http -j REJECT
It shows this error
iptables v1.4.7: Couldn't load match 'ndpi':/lib64/xtables/...
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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-...
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Nginx 404's all static content in reverse proxy setup
Whats strange is that this exact configuration used to work fine, but now all static files will 404 on direct link i.e
domain.com/test.html
domain.com/test/test.html
domain.com/ and domain.com/test/...
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1
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Authenticate users with Zimbra LDAP Server from other CentOS clients
I'am wondering that how can integrate my database,web,backup etc.. centos servers with Zimbra LDAP Server. Does it require more advanced configuration than standart ldap authentication ?
My zimbra ...
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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 ...
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how to solve NT_STATUS_HOST_UNREACHABLE in CentOS when connecting to (windows) file server via SAMBA
I am using CentOS and I need to connect to a file server running on windows. My friend told me that I need to install SAMBA to be able to do that. and so I installed samba and when I try to check if ...
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how to install OS remotly using Supermicro IPMI?
I have detected server that I can access using supermicro IPMI. I need to reinstall the OS (linux centos 5) because the current OS cannot boot (kernel panic problems). how can I do that?
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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#...
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CentOS 7 NAT routing & IPTABLES
I have the CentOS instance like NAT for my local net. There are some subnets in my local net. There is a PPTP VPN server inside one. I have to need to publish this server to Internet.
So. My problem ...
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how to add tomcat to tomcat.service for systemctl startup
I want to write a systemctl deamon for my tomcat installation so I can start tomcat using below command
systemctl start tomcat.
Right now I am using the startup.sh script to start the Tomcat server. ...
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1
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Testlink stop working when configuring it to use LDAP
I have a TestLink webservice running on a server, and OpenLDAP running on other server. There are no firewall problems between them (I managed to configure Redmine, on the same server as TestLink, to ...
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Leapp always fails upgrade: more space needed
I'm trying to upgrade a SL/Centos 7.9 to AlmaLinux with Leap. I followed the instructions here but it always fails with
At least 3178MB more space needed on the / filesystem.
I'm increased the disk ...
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2
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kvm: 23090: cpu0 unhandled wrmsr 0x391 data 2000000f
I installed kvm on CentOS 6.4. I created virtual server CentOS_test on it. When I start CEntOS_test I have message:
kvm: 23090: cpu0 unhandled wrmsr 0x391 data 2000000f
What is it mean? CentOS_test ...
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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 ...
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ngx_http_geoip_module module version is wrong after updating nginx on CentOS and nginx won't start
I would very much like to update my nginx but every time I do, it just breaks and when restarted/started it gives me an error. Status is this:
● nginx.service - nginx - high performance web server
...
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1
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mysql binlog error "ERROR: Error in Log_event::read_log_event(): 'Found invalid event in binary log', data_len: 341, event_type: 2 **"
I am new in mysql binary log and replication .Please help me sort this issue.
I am using mysql version 5.0.95 and now facing errors in binlogs. Some of querries in binary log as unknown event and ...
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3
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Some program is making connections to an unknown subnet, but couldn't find the process that initiates the connection
We have a server that is making a lot of outbound connections to a particular subnet, I am not able to find out what process is making it.
I could see the connections in tcdump -
[root@something ~]# ...
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1
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What is the difference between init 6 and reboot on Red Hat / RHEL / CentOS?
In Linux, the init 6 command gracefully reboots the system running all
the K* shutdown scripts first, before rebooting. The reboot command
does a very quick reboot. It doesn’t execute any kill ...
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where are the default ulimit values set? (linux, centos)
I have two CentOS 5 servers with nearly identical specs. When I login and do ulimit -u, on one machine I get unlimited, and on the other I get 77824.
When I run a cron like:
* * * * * ulimit -u &...
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Linux special device does not exist when I mount
I am using Centos8 with standard specs like 8GB ram and 4CPU and 250 GB Space.
When I finished the installation I get automatically 2 folders, 1 70GB and 1 with 160GB.
I want to merge them both to one....
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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)" &...
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RTNETLINK: Device or resource busy - DELL 2950
I cant start second NIC on Dell Poweredge 2950, OMSA installed, the NIC cards is BCM5708C ,version of Operating System Centos 6.7.
The first card worling correctly
[root@alfa ~]# ifup eth1
RTNETLINK ...
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2
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Nginx error: "Primary script unknown" while reading response header from upstream
I have installed Nginx 1.6.2 with PHP-FPM (PHP 5.5.18) under CentOS 6.6 server. I didn't touch nothing else but /etc/nginx/conf.d/default.conf file where I made some changes (see below):
server {
...
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3
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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 ...
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3
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Prevent sleep mode/shutdown on CentOS 5.6
I have a question about the best practice with a home linux box.
I recently install CentOS 5.6 on a machine I had lying around, and now I am using it by sshing into it from another machine. All that ...
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2
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CentOS cifs mount point fails after reboot. permission denied error 13
I'm using CentOS release 5.10
I have a mount point setup in /etc/fstab that was working, but now it doesn't. After a reboot the mount point doesn't exist and running sudo mount -a results in:
mount ...
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1
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Error renaming ethernet device: 'Error either dev is a duplicate or "enp96s0f0" is a garbage'
I received these new computers that use the "eno" network naming convention. But the application I am working with is expecting the "enp96s0f0" naming convention. I am trying to ...
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Dovecot Authentication failed if trying login with @domain
When I try to test my IMAP server functionality using telnet I encounter the following error.
If during the test i omit the @domain.ex everything works fine(as you can see below);
a login user ...
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7
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Nginx displaying failed (13: Permission denied) when trying to access new site
I am trying to set up my own web server to learn a bit more about server admin.
I have decided that I want to serve each sites files from a public_html folder inside the users /home directory.
I ...
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Apache can't connect to remote MySQL, but mysql command line from same server can
Symptoms:
I am running CentOS 6.
I can connect to the remote MySQL from the command line: mysql -h a.b.c.d -u user -p -D db.
Laravel artisan commands run on the local command line can also connect: ...
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1
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CentOS 7 rpc_pipefs mount options not persistent after reboot
I'm trying to mount rpc_pipefs with a nodev option. Initially, I tried doing this by editing the /etc/fstab file and adding an entry for it.
Tried:
sunrpc /var/lib/nfs/rpc_pipefs rpc_pipefs ...
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votes
6
answers
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tell yum to ignore a single dependency
I'm trying to install winswitch on CentOs 6. It requires nxagent. But in centos, the package name is nx. Is there a way to tell yum to skip checking the nxagent dependency (I installed nx already)? ...
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How can I see the contents of the mail whose ID I get from postfix's mailq command?
I used mailq command and I got a line like for example:
A705238B4C 603953 Wed May 23 11:09:58 [email protected]
So, now I'm wondering is there a way where I can "read" an actual content of the ...
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3
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Redis: Error moving temp DB file on the final destination: Operation not permitted
I have a nodeBB install which relies on Redis as the data store. Its just a test install at the moment while I iron out any problems. The Redis instance stayed up for a few days but then fell over ...
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1
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Is this a memory failure being logged (CentOS web server)
$ sudo tail /var/log/messages
Jan 30 13:47:58 www kernel: EDAC MC0: CE row 3, channel 0, label "": Corrected error (Socket=0 channel=1 dimm=1)
Jan 30 13:47:58 www kernel: EDAC MC0: CE row 3, channel 0,...
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Rsyslog keeps writing to /var/log/messages and subfolders
I have a rsyslog on CentOS 8 where I configured several systems to subfolders with this part of config
$template RemoteLogs,"/var/log/hosts/%HOSTNAME%/%$YEAR%/%$MONTH%/%$DAY%/syslog.log"
*.* ...
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How to configure rsyslog to send multiple logs to a remote server and save them as individual files?
I have some log files inside a directory called log
ls -l /var/log/
org1_app.log org2_app.log org1_perf.log org2_perf.log ...
Now I set up an rsyslog client on the host server. Here is the ...
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2
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cannot read clients from nas table in freeradius only from clients.conf
I have installed freeradius on Centos.
The MySQL database is populated with some data for testing, and the freeradiusd.conf and sql.conf are configured.
The RADIUS server is able to connect with the ...
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1
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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 ...
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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 ...
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Postfix : Rate limit outgoing mail by mx of recipient and sender
Been learning Postfix and trying to setup my own mail queue server for newsletters (no mailchimp or sendgrid).
I'm stuck on the last thing I wanted to implement, which is delays/queue. I found a ...
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0
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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 ...
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2
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Centos logrotate found error, skipping
One of our servers has a access_log which is nearly 5GB in size - there is currently no log rotation so I enabled it yesterday for httpd
The contents of /etc/logrotate.d/httpd is
/var/log/*.log {
...
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1
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how to fix the npm install fails with 'An unknown git error occurred' in one folder but works in a another folder
My Server runs on Centos 8 and I installed nodejs latest (v14.17.5) and NPM (v7.21.0), both dont have a .git folder in there.
I have a very very strange issue, If I goto folder example1.com, and run ...
github
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2
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id not yet working after adcli for Active Directory join on rhel6/7
Having done winbind joins but no sssd yet, I'm asked today to use adcli and sssd to join an EL7 box to a windows AD service.
the software, an updated minimal el7 install with adcli, sssd and some ...
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1
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packets transmitted, 0 received (no internet connection) on centos 6.6 vps
I have centos 6.6 vps server.
When I use command: yum update get error:
Error: Cannot find a valid baseurl for repo: base
when I check for ping and use command: ping -c4 google.com get error:
ping: ...
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2
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zfs module not found on centos after restart
After I rebooted a CentOS server, ZFS does not work:
$ sudo zfs list
The ZFS modules are not loaded.
Try running '/sbin/modprobe zfs' as root to load them.
$ sudo modprobe zfs
modprobe: FATAL: ...
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