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64 views

CentOS 6 ELRepo kernel bridge issues

I'm currently running the following Kernel on CentOS 6.6 from ELRepo [root@de14 ~]# uname -r 4.0.4-1.el6.elrepo.x86_64 Anything related to a bridge doesn't work, what I've come to ...
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0answers
12 views

Can't remove lvm after creating snapshot

I have script to backup logical volume. It create *_snapchot of img, then dd, zipped and load to another server. After that script remove lvm volume by lvremove -f. But now i have problem, snapshot in ...
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0answers
36 views

Changing login-formats for Linux and Active Directory

On CentOS, I run realm list and see login-formats: %U@mydomain.local I'd like to change login-formats: %U@mydomain.local to login-formats: %U How would I go about doing this? I'm assuming there is a ...
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1answer
29 views

Amazon AWS with CentOS 6 HVM: password required with SSH

I am having some strange authentication issues when trying to spin up an Amazon instance using CentOS 6 HVM. For some reason, whenever I spin one up using a security group and a key / pem pair, I ...
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0answers
41 views

When does “Determining if ip address x.x.x.y is already in use” apply

I've just setup a couple of C-Class IPs on different servers and I noticed after adding the ifcfg-eth0-range0 script and restarting the network interface I always get messages like Determining if ip ...
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1answer
29 views

Downgrade centos version

I currently have CentOS 5.10 installed in my server. Is it possible to downgrade it to CentOS 5.5 with out re installing ?
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2answers
61 views

No Space left on device after Jenkins installation

Is there any reason i would get a 'No space left on device" error on mkdir. I have confirmed that i have enough space left. around 68% is free. and also i have 1% iNodes consumed. This is CentOS 7 ...
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46 views

Is there a way to redirect HTTP to HTTPS using mod_proxy_ajp or this could be done only at mod_rewrite side?

What is the easiest way to redirect http to https when mod_proxy_ajp is used? I have the configuration below for mod_proxy_ajp: ProxyPass /home ajp://localhost:8080/home ProxyPassReverse /home ...
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1answer
98 views

Installing VM on CentOS 6.6 with virt-install hangs

I'm trying to install a Centos 6.6 VM on a CentOS 6.6 host with the following command. virt-install \ --name vm-queue \ --description "Queue Server" \ --ram 2048 \ --disk ...
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13 views

EXIM4 Multiples google app

I've several sites which are hosted on my dedicated server (CENTOS 6). I need to configure exim to use gmail as relay server with an authentication per host. If someone use the contact form on ...
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1answer
58 views

Unable to import Ubuntu virtual machine on Centos 7 kvm host

[root@kvm ~]# virsh create /root/ns1.jesse64.xml error: Failed to create domain from /root/ns1.jesse64.xml error: internal error: process exited while connecting to monitor: qemu-kvm: -machine ...
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22 views

Can't start service zimbra on heartbeat

i want to start zimbra service with heartbeat on haresource file. but it cant start zimbra service after boot. im using centOs, this is my haresource file: node1.lol.net ...
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47 views

Postgresql Connection Timed out

when I am connecting to psql on remote server >psql -h {hostname} psql: could not connect to server: Connection timed out (0x0000274C/10060). Is the server running on host "{hostname}" ...
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2answers
43 views

InnoDB: mmap(68878336 bytes) failed; errno 12

The screenshots explain everything, first I try to start it, and it won't, so I check the status, then I check the logs. After following a number of previous suggestions that I founder around ...
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1answer
54 views

Bare Metal Provisioning [closed]

For bare metal provisioning of: VMWare ESXi Ubuntu CentOS Are Ubuntu MAAS and Spacewalk the only Open Source options for bare metal provisioning or are there other non-proprietary options? The ...
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0answers
15 views

External Access to Plesk - Diverting to Default Page [closed]

I am currently unable to access the Plesk control panel except from the web server itself. When I try any of the following options, all work on the server itself but externally all I get is the ...
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2answers
35 views

Send Email to Admin when Message size limit exceeded

How to trigger an email to admin, when someone tried to send an email exceeding the message size limit? I couldn't find any such configuration to tweak. Note : I use exim MTA
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1answer
44 views

Apache server crashes due to bandwidth spike issue [closed]

The problem I am facing is that my Website (hosted on a dedicated VPS) was working fine for last 6 months. However from last two days, it gets huge spikes of DATA coming in and this causes server to ...
0
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1answer
41 views

How to Migrate RabbitMQ server to new CentOS 7 server

Does anyone here have any experience with the migration of RabbitMQ(v3.5.3) to new servers? I currently have two RMQ servers in a cluster on old systems and I want to migrate them to new virtual ...
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1answer
28 views

possible for all outbound smtp to run through proxy?

Is it possible to setup my centos 6.5 so all outgoing port 25 is run through a proxy. I have incoming smtp/port 25 coming to my mail server through HAproxy but i would like the outgoing to do the same ...
0
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1answer
22 views

Adding new physical volume in encrypted volume group (LUKS)

I have a CentOS 6.6 desktop and chose the encrypt option upon installation. This created a LUKS volume group. Everything works fine, but I want to add an additional drive to the volume group. From ...
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25 views

Windows IIS hosting on VM using CentOS 6

Like this fellow here, I also have a 1&1 server, which requires me to use only NAT forwarding. I have installed using the CentOS6 / Xen server (I forgot which command line command it is) and ...
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1answer
19 views

postfix cannot send emails [duplicate]

I recently migrated some sites from my old server to a new one with the same configuration on DigitalOcean. The sites working great except for the php mail() function that isn't sending emails. The ...
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0answers
16 views

ogr2ogr failing to open/convert GML, probably due to compiling issues?

I'm trying to convert a GML file into GeoJSON using ogr2ogr, I've compiled GDAL, Expat and Xerces from source, but when I run my command I get an error on CentOS 6. My convert command ./ogr2ogr -f ...
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1answer
38 views

Intentionally stop a process from responding

Is there any way to intentionally prevent a process from responding - ie. not close or kill it, but stop it dead in it's track, so it immediately stops processing anything? I've often found myself ...
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0answers
21 views

Unusual Behavior with NIC Interrupt Moderation Disabled

OS: Centos7 I disabled interrupt moderation, ethtool -C eno2 rx-usecs 0, and then started capturing on that interface using tcpdump. The dump file was growing as expected. Maybe an hour later the ...
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1answer
101 views

Server unexpectedly closed network connection (sftp + putty) [closed]

I am running CloudLinux 6.6 with Cpanel/WHM. We had disabled default port 22, but a client required it, so ever since I switched back to port 22, we have experienced "Server unexpectedly closed ...
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1answer
99 views

Error installing php-devel 5.5 CentOS 6

I am trying to run pecl install couchbase but am having trouble with php-devel and its dependencies. When I try to run yum --enablerepo=remi-php55 install php-devel I get the following error. My ...
0
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1answer
26 views

Intercept incoming emails via Dovecot

I'm looking for a way to intercept emails received via a dovecot server. Our intent is to somehow capture the header and body of the email, store it in the database (as useable data) which we can ...
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2answers
48 views

CentOS root user crontab for mysqldump

I am using CentOS 6.6. I am trying to set up a crontab. I made an .sh script which runs perfectly when executed manually. The command is following: mysqldump --skip-lock-tables --single-transaction ...
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0answers
50 views

MySQL frequently starts returning empty results on SELECT and throws no errors. After restart it starts working as expected

MySQL started frequently returning empty results to all queries on all databases until I restart it after which it again works as expected. No errors are thrown or logged and the MySQL server keeps ...
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1answer
46 views

vsftpd login error: 530

I'm running the vsftpd ftp-server on Fedora Server 22. The problem is, if a user try to login with a correct password, the following error occurs: "530 Login incorrect." vsftpd.conf : listen=YES ...
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1answer
110 views

nginx on fedora fastcgi not working

I'm running nginx on Fedora Server 22 and fastcgi scripts are not working. Under http://panel.minefight.org/ enter any login data, it doesn't load the password fail or success site. The same thing ...
0
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1answer
112 views

Boot time log: 'Failed to start Postfix Mail Transport Agent'

centos 7.1 postfix 2.10.1 After restarting server in /var/log/messages during boot time Postfix noted only in these 4 lines (all actions during 1 second): systemd: Starting Postfix Mail Transport ...
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1answer
83 views

Ansible shell command fails under sudo when it should succeed

I have an Ansible task based on https://github.com/al3x/sovereign/blob/master/roles/tarsnap/tasks/tarsnap.yml#L2 that keeps failing when it should succeed. I used to run the role with ...
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1answer
58 views

Server crashing daily at 3:40am

I have a cloud server with rackspace. It is CentOS release 5.10 (Final). 40GB storage, 1gb ram, 2gb swap. I am running the kloxo control panel to manage the virtual hosts. Every day it eats up all ...
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1answer
63 views

OpenDKIM milter with Postfix

I just configured opendkim and postfix and it is supossed to be signing my emails but it doesn't. I used /usr/sbin/opendkim-testkey to test the keys and it seems to be ok with them but the mails I ...
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3answers
53 views

iptables actively refused everything despite exceptions

I was following the centos wiki page on iptables but no mater what I change only port 22 opens. Using various port scanning websites they all say the server is actively refusing connections on all ...
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1answer
28 views

Increase of Virtual Memory after update of CentOS7

I have made system updates on CentOS7 and now my Virtual Memory is full used. Before the updates the virtual memory was completely empty/swap Why? Is it a problem? How can I decrease the virtual ...
0
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1answer
23 views

Command will run in shell but throws unexpected EOF error in cron [duplicate]

I am trying to run the following in cron to back up a server every morning at 4am: 0 4 * * * dump -0uan -f - / | gzip -2 | ssh -c blowfish user@server dd of=/backups/`hostname`_`date ...
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2answers
39 views

How to run 5 php processes, which uses different eth interfaces?

I'm using cron to run everyday script, which has to run 5 php-cli processes. I need them to use separate interfaces. I have 5 devices, eth0, eth1, eth2, eth3, eth4. How can I call php to make sure ...
0
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1answer
29 views

yum should error when a package is not available

I recently ran into a bug in a script where I tried to do the following: yum -y install another_package.x86_64 some_package.x86_64 && run_my_script The script ran well on a newer CentOS, ...
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1answer
18 views

Pacemaker continously logging “Changed active directory”

I have a newly installed CentOS 6.6 two-node cluster using Pacemaker. Every 10 seconds /var/log/pacemaker.log shows this "Changed active directory to /var/lib/pacemaker/cores/root" message (and ...
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3answers
48 views

Wildcard SSL cert warning of insecure content across sub domains [closed]

I have a wildcard SSL certificate installed on various servers for different sub-domains. When looking at any pages or other content directly all browsers are happy with the certificate. But if I ...
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1answer
56 views

Installing Java 32bit rpm on 64bit CentOS

Downloaded the - jre-8u45-linux-i586.rpm Opened console - su mkdir /usr/bin/java [No java was installed before] cd /usr/bin/java rpm -ivh jre-8u45-linux-i586.rpm [Tried installing] error: ...
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1answer
40 views

Kerberos SSO virtualhost different domain

I have a running centos6.6 server who authenticates against a windows 2008 AD with realm EXAMPLE.LOCAL. I have successfully configured an apache webserver for authentication through kerberos keytab ...
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0answers
51 views

ProFTPd + MySQL + Apache

I am trying to set up a LAMP server with ProFTPd using MySQL authentication This is a dedicated server with a single website under /var/hitr/public. I'd like to use proftpd to for user's configured ...
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0answers
65 views

Add Disclaimer using alterMIME and Postfix on CentOS Linux [duplicate]

I need to configure Postfix to add a .JPG signature on all outgoing mail. I run postfix on CentOS Linux 7. I followed the document on ...
0
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1answer
119 views

ntpd error: unable to bind to wildcard address 0.0.0.0 - another process may be running - EXITING

I have a problem. Time on server not synchronized. And it seems that this problem was appear after I set my rules for iptables, which I described here May be I'm wrong and these two events are not ...
1
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1answer
121 views

Centos Squid Proxy Server for Windows Updates

I'm running Centos 7 as my OS and have installed squid to cache windows updates for my company. Going through the log file, it shows that everything is tcp_miss, including when it's accessing the ...