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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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28 views

“Masquerade” mail sender on a multi-domain shared hosting

I've a single host with CentOS 6.3. I manage that host via SSH. The server itself is uname -n: servername.foo.com. On this host I've multiple, unrelated httpd vhosts. The problm is: when one vhost ...
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123 views

Unusual load average for an idle workstation

I have a new workstation with an unusual high load average. The machine specs are: Xeon CPUs 256 GB of RAM 4 x 512 GB SSD connected to a LSI2108 RAID controller (in raid 5) I have installed ...
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135 views

Getting errors from local CPAN configuration on server with no internet

I've been wrestling with getting a local CPAN installed and configured on a CentOS server with no internet access. What I've done so far is this: 1) Made a full rsync of a CPAN directory onto an ...
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37 views

Settings for php to solve empty session?

I have my php running on Centos 6.5 (Final). I have problem where one of my potential customer who is sitting remotely having upon login and redirect the sessions gets empty.He even tried on other ...
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455 views

CentOS 6.5 Xen Virtual Machine Issue 'this function is not supported by the connection driver'

I am trying to segment my system into a number of virtual machines but just cant seem to get this to work. I think I am close but not quite there. I have install xen, virsh, xl etc and I am using ...
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50 views

incoming mail with low score, but count as spam?

my Centos server currently running spamassassin to filter spam email, it work together with mailscanner, it work fine before but suddently got a problem: Nov 15 16:12:02 main MailScanner[4079]: ...
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225 views

postfix opendkim DKIM-Signature and Domainkey-Signature

Running postfix on CentOS 6 as an edge relay for a while now, so all our outgoing mail is routed through one point with opendkim signing the mail. This works great. I was originally using ...
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202 views

Hostname via Cloud-Init on CentOS running on EC2 do not work

I setup the cloud-config on the user-data for a CentOS 6.4's EC2 instance, and it looks like do not apply. #cloud-config manage_etc_hosts: true preserve_hostname: false hostname: ...
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250 views

dhcping “no answer” on CentOS 6.4

I installed a DHCP server (yum install dhcp) and this is my conf: # create new # specify domain name option domain-name "mydomain.name"; # specify DNS's hostname or IP address option ...
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59 views

Mod Pagespeed installed, sends headers, but does not filter or cache

Server: CentOS, Apache, WHM/Cpanel, Hostgator dedicated. I had mod_pagespeed installed and working. Someone at HG ran a script that killed mod-pagespeed and they had to re-install it. Now, it is ...
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88 views

SNMPD timeout yet netcat shows port as open

SNMPD config (I have this config working on a different server): com2sec readonly default public group MyROGroup v1 readonly group MyROGroup v2c readonly group MyROGroup usm ...
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40 views

CentOS time jumps every microsecond

It's a very strange thing. If I run this shell script on the server CentOS 5 (32 bits). time.sh #!/bin/bash for i in {1..10} do NOW=$(date +"%M:%S") echo "$i $NOW" done ...
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71 views

Bad RPM Signatures

I'm trying to set up a repo that contains both CentOS 6.4 and 5.9 packages. The machine itself is 6.4. I've created a GPG key and have been able to sign my 6.4 packages no problem. When I create them ...
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364 views

Can't write to other users “you have write permission turned off”

For some reason I'm not able to write to other users on my system. [root@hostname ~]# write write: you have write permission turned off. [root@hostname ~]# mesg y [root@hostname ~]# mesg is y ...
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146 views

CentOS - Why is NY/EST Timezone being considered MST?

It seems as if the server thinks New York is MST, despite all my efforts of trying to set it to EST. Just what is going on here? The time in New York is actually 2:22PM EST, but my server is stuck 3 ...
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25 views

Keeping a local mirror lean and mean for what our application needs

We have a local mirror RPM repositorythat lives where our virtual servers live on Amazon Web Services. This setup could conserve some network bandwidth, but my predecessor probably set it up as place ...
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103 views

Linux CentOS php-cgi and Apache issues, possible issue with Wordpress?

So I'm fairly new to Linux and web servers but we moved our sites from a shared hosting environment to a Linux Virtual Server about 8 months ago, much faster and has ran bullet proof until we re-build ...
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81 views

Robustness of installing from deb on RHEL

How robust is the method of converting .deb packages to RPM using alien and then installing on RHEL/CentOS with yum? What are best practices to manage the process? I have used Debian for several ...
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238 views

Synology cifs mount wont allow execution

I have a synology NAS. I am able to mount a cifs directory fine on linux (tried both centos 6 and Ubuntu 12). I can do everything fine except I can't execute anything on it. If I try tab to complete, ...
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76 views

GRE tunnel not allowing Internet

I'm starting with GRE tunneling and I got two machines connected between them-self: tun0 Link encap:UNSPEC HWaddr 00-00-00-00-00-00-00-00-00-00-00-00-00-00-00-00 inet ...
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40 views

Unkillable process after connection loss to samba share

Using this manual I've mounted samba share. I'm copying files to it using python script. Everything is working fine until some problem with network occurs. After that I get unkillable process in "D" ...
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20 views

certwatch NSS_Init failure

Ever since I set up my CentOS 6 web server and created my own certificates, daily cron has been sending an email to root: /etc/cron.daily/certwatch: NSS_Init("/etc/pki/nssdb") failed I found ...
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128 views

Updating Upstart on Centos 6.3

I have a Centos 6.3 server -- alone among all my Ubuntu servers for historical reasons -- with Upstart 0.6.5. I need to update that upstart to at least 1.4, and I'd prefer to do it through yum instead ...
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74 views

Bidirectional mirroring of 2 directories

Does anyone know of a bi directional mirroring tool to sync 2 different directories? Here is the scenario: NFS mount under /data/nfs Document root under /data/www Obviously we don't want to use ...
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298 views

Samba + LDAP: user authentication works for one but not another server

I have a very frustrating problem I'm trying to solve for a few days now, maybe one of you can help me. I have two (standalone) samba servers which should authenticate the users using an LDAP server. ...
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73 views

Kerberos Single Sign On

I am trying to implement Single Sign On using kerberos with ssh. I changed the below files and restarted the ssh daemon. /etc/ssh_config GSSAPIAuthentication yes GSSAPIDelegateCredentials yes ...
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478 views

Postfix not receiving external mail. Sending mail OK

I am having some issues setting up Postfix to receive mail on Centos. This is a web server that I'm setting up to only pipe mail to a php application so the server hostname is hostname.mydomain.com. ...
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392 views

Timzone incorrect for log files only?

I have a small server running centos 6.4 and it is working quite nicely for some time. One thing that still bugs me is that the time in my log files is different then the time the 'date' command ...
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234 views

CentOS 6 IPTables commands not responsive, firewall is down

We have had this issue before but we thought it was due to installing CSF. This has now happend again where none of the commands for IPTables return anything. 'iptables -L' doesn't display anything, ...
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236 views

How can I confirm what specific MX priorities SendMail saw when delivering a message?

CentOS 5.x | SendMail 8.14 I've got a sendmail server that is configured to be the last hop out. It performs DNS lookup for outbound messages and attempts to deliver them to the recipient mail host. ...
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65 views

Pass / forward 8080 port on server with masquerade

There is server machine wich is connected to ISP only with modem, no router. Server got apache on 80port. Now on other ethernet card in my server i have cable going to my router, router serve ...
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313 views

Mongrel failing to start after an OS update

So there's this installation on a virtual server, administered by Plesk, running CentOS. The OS has been automatically updated recently - this broke a custom ruby installation. I haven't set up the ...
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112 views

How do I fix status: Unknown job: php-fpm?

On CentOS 6.4 status php-fpm returns status: Unknown job: php-fpm. Simply, how can I fix this? Note: PHP 5.4 was built from source.
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153 views

market place EBS volume as secondary device

I managed to lock myself out on AWS marketplace centos 6.3 server. It seems to be a permission issue (SELinux) and needs some reconfiguration. I was going to mount the root drive of the problematic ...
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145 views

Deploying a Linux RDS VDI on hyper-v. Is it possible?

I am currently running CentOS 6.3 with Linux integration services 3.4 on a Hyper-V VM inside Windows Server 2012. I am trying to deploy this desktop as a VDI Collection in Remote Desktop Services, ...
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143 views

Performance issues with small dedicated plesk centos5 server

I am getting some fairly sever performance issues with my plesk 11 dedicated box, it has 8 gigs of ram, static pages load very fast, a firstbyte time of less then 0.5 seconds, however dynamic php ...
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62 views

How do I get gsub on my centos box?

I have a centos box and when I try gsub, it doesn't work: -bash: gsub: command not found For the life of me, I can't figure out how to get gsub on my box. Trying to get a script working that checks ...
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306 views

Yum History and History Undo in Centos 6

I have a Centos 6 server and I have upgraded several packages. I can, supposedly, downgrade them with yum history undo <packageName> but all I get is downgrade failed for every single package. ...
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92 views

Zend Server using only 1 of 8 cpu cores

My understanding is that Apache (and hence Zend Server) should automatically send requests to all available cores. However, on our client's virtualized CentOS server, only one core is fielding ...
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253 views

Copying cause big iowait

I have dedicated server with 3 HDD. System disk, backup disk (same as system disk) and data disk. When I copy lot of data with cp (say, between backup disk and data disk) load average goes sky high. ...
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53 views

Domus Memory Used Issue With Xen On CentOS

Anyone know why I'm receiving this error? I compiled latest libvirt from source, I also tried with various rpm. I would like to get memory used by domus and it looks like it's not working with Xen 3 ...
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306 views

OpenVPN server won't start (CentOS 5)

I am trying to setup a VPN server on 1&1 VPS. I was able to install OpenVPN-AS more or less as instructed; separately, I have checked and cat /dev/net/tun/ yields cat: /dev/net/tun: File ...
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317 views

Unable to mount samba share

I'm using CentOS 5 and I'm trying to mount a share, but I continuously receive the same error. mount error: cifs filesystem not supported by the system mount error(19): No such device I have samba ...
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504 views

L2TP & IPSec (OpenSwan) on Centos time out when connecting

I'm having big trouble setting up a very simple VPN. Using Centos 6. My Server Address : 61.34.26.32 (fictive) Whenever I try to connect (from iPhone5 or MacOS X) i get a connection timeout. I ...
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176 views

Enable bcrypt hashes for /etc/shadow in RHEL, CentOS, or Amazon Linux

Is it possible to add bcrypt support for system accounts (e.g., in /etc/shadow) in Amazon Linux? (Which is in turn binary compatible with RHEL5 and CentOS 5) This only looks like a duplicate of this ...
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153 views

YSlow - Giving Fs for Expire and Compression, but response headers appear correct

I just moved a moderately busy wordpress site from shared hosting to a VPS server with 512MB ram and attempting to performance tune before I break down and buy another VPS to lighten the load. As such ...
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852 views

Logrotate doesn't work from cron on CentOS

I have lograotate configured on CentOS 6. It works fine when I run it manually, but with CRON it doesn't work. Cron says in its logs: "All fine, I run you command" but nothing happens. Details: cat ...
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341 views

PPTP won't connect error 628

vim /etc/ppp/chap-secrets # Secrets for authentication using CHAP # client server secret IP addresses #* pptpd 34fg3g93jgij3g * and vim /etc/radiusclient/servers ...
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62 views

Apache VirtualHost options with ePages e-commerce solution

I have a Centos server running ePages (which runs on Apache). Now I want to use the same server to host a couple of other sites as well, but I can't seem to get my configs working correctly. I'm not ...