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109 views

Apache virtual host loads wrong page when a path is used

I have a number of virtual hosts setup on my Apache server (RedHat) that all work fine until a path is used. To explain. I have: https: //myserver1.com (default site) https: //myserver2.com https: /...
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55 views

Spacewalk: How to create system groups in new Orginization?

I am building a new Spacewalk server (running on CentOS7) based on the configuration of our current one. The current one is far out of date and the pxe boot is broken so I want to start fresh. That ...
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197 views

Symfony No Access to Cache - Red Hat 7

I'm running amazon EC2 VPC, normaly use Centos and I have no problem with it, but I have tried Red Hat Enterprise Linux Server release 7.1, and I have installed everything from scratch. I'm using ...
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622 views

Centos AD Authentication with SSSD, How to add Samba Shares

I've been trying to get this to work reliable for some time. Heres the breakdown: Centos 7 with SSSD auth to Active Directory (fully functional) here is the sssd.conf file: [sssd] domains = example ...
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150 views

RHEL yum broken

I have RHEL which is deployed from Amazon AMI, and yum is somehow broken. I must use that AMI because of corporate software installed on it. There is no way to rollback to previous state. This is the ...
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736 views

Change Nginx document root from /usr/share/nginx to /etc/nginx

I've tried many things, STFW, RTFM but I still have this problem. The thing is: I have a Nnginx installed in an AWS machine (other fella installed it, not me) and I MUST serve several virtual hosts (...
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101 views

mail send format issue in different linux servers

I have created a send mail script which will run on couple of my client servers. The mail was sent correctly in couple of servers but in some servers the format we receive is not what what we expected....
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115 views

Can't connect to Windows Server 2012 Virtual Machine in Red Hat 6

I have installed a WS2012R2 virtual machine using KVM on Red Hat, It has a bridge connection, Both (Host and Guest) have public IP addresses, both have internet access, both can ping any ip address or ...
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58 views

Is there any way to run cloud-init on a Redhat 5 instance in AWS?

Redhat 6 includes cloud-init hooks, which means in AWS you can install cfn-init and use CloudFormation. Redhat 5 doesn't appear to have cloud-init. Is there any way to get this working?
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34 views

Clarify directory quota and volume quota on RedHat

I'm following this guide: Managing Disk Quota But I really don't understand how to enable quota for every sub-directory inside a directory, when the containing directory doesn't have any limit. For ...
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168 views

Cannot install mysql server - Error in PREIN scriptlet in rpm package mysql55-mysql-server-5.5.32-3.el5.x86_64

I am trying to install mysql server 5.5 (or any 5.x versions) on Redhat 5.5 and am having some trouble. I can install the other mysql components but when I try to install mysql-server (or mysql51-...
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41 views

Is it possible to add support for additional OIDs in SNMPD (RHEL)

I am trying to have my monitor poll the number of ESTABLISHED TCP sessions on a Linux server that is running snmpd. The OID information I am trying to poll can be found Here . The OID is ...
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51 views

Kerberized root user on RHEL 5/6

I'm currently involved with getting NFSv4 and Kerberos. We've decided to bite the bullet and try and make the transition. Our environment is: Windows AD LDAP auth on Linux against said AD. RHEL5/...
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224 views

What can cause an entire Red Hat server to “hang”?

We've got two Red Hat servers which "hangs" at regular intervals. The systems become unresponsive for 20 - 30 seconds, and then return back to "normal". The systems are not virtualized, and runs on ...
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479 views

Firewalld - allowing ICMP in custom zone (centos 7 / redhat 7)

I want to enable ICMP echo-reply in a zone defined by source. I have a zone MONITORING where I want to permit some services like mysql and echo-reply. Permiting services like mysql is simple, but I ...
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428 views

Copying from NFS mount crashes Linux client machine

I have NFS share mounted on CLIENT in /etc/fstab: SERVER:/share on /mnt/share type nfs (rw,users,noexec,nosuid,nodev,timeo=14,hard,intr,addr=1.2.3.4) Intensive use on client like copying a lot of ...
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455 views

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message

Unable to Configure Quotas in RHEL6 & CentOS6- quotecheck returns error message I've created new partition(/dev/sda6) and mounted it(on /hulk). Edited /etc/fstab file to give quotas on the ...
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378 views

SSH hangs on remote command execution after prompting for password

I am able to execute remote commands as the root user, but not unprivileged user "admin": [user@jump01 ~]$ ssh admin@10.50.11.1 'ls' admin@10.50.1.1's password: ^CKilled by signal 2. [user@jump01 ~]$...
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315 views

Naming convention for /var/lock/subsys on sysvinit with multiple pids

In this Tips and Tricks article from Red Hat, it is said: When a service is started through an init script, a file is touched in the /var/lock/subsys/ directory with the same name as the init ...
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59 views

Apache Internal RE-WRITE to replace 301 redirect

I need to internally rewrite (due to partial CMS content restructure) as I currently have a permanent 301 redirect and it is killing SEO. I do not want the users browser to redirect or know about the ...
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277 views

RHEL Equivalent of AIX's chuser login=false rlogin=false

On AIX, I can disable login/remote login by setting the attributes listed to false, but I will still be able to su from other users, and sudo as the user. Is there an equivilant in RHEL to the ...
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341 views

Kerberos and SSH login

I've just configured a RHEL 7 for windows authentication (idmap_ad). Every check works but if i try to ssh with a domain user i get the error: Connection closed by ::1 Here follows the ssh log in ...
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117 views

Red Hat 6.5- sysctl -w net.ipv6.conf.default.accept_redirects=0

I am in the process of writing a Red Hat 6.5 Kickstart disc with hardened security. I have run a program to determine where the weaknesses are in my system, and apparently there is a medium severity ...
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42 views

Redhat quitting process never works always have to kill it

I am working on a RedHat server creating a unicorn process. I have two sets of these processes being created. I am able to QUIT one of the process fine and do so over and over again create it and QUIT ...
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336 views

VPNC cisco + quick mode response rejected error

I installed a vpnc on my Linux red-hat machine version 6.3 Most of the cases vpnc work well ( connecting to gateway customers by vpnc ) But against some particular customers ( Cisco gateways ) , ...
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93 views

Unable to access disks in rhel 6.5

I work for a biology lab. We recently bought a new microscope that produces an enormous amount of data - it is simply not feasible to store it on a desktop. So, we bought a storage server - the idea ...
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167 views

Red Hat Virtualization, slow DB writes or network from virtual machine

I am running JBoss on both a physical machine, and a VM that runs within that same physical machine. The JBoss instance on physical machine is operating fast, but the JBoss on VM is slow (several ...
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233 views

Backup RHEL 5 Web Server Disk and DB Data to USB Drive, Best Way to do this?

We are using a dedicated web server with Redhat Enterprise Linux 5 installed, we are using this to host a couple of our websites. We asked our host to attach an external USB hard drive to our server ...
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123 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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173 views

BIND caches ENUM NAPTR records irrespective of TTL 0

I am using BIND 9.6 to enable my application to act as a ENUM server. The ENUM server performs routing and responds to ENUM NAPTR records. The NAPTR responses are sent with a TTL zero without any ...
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194 views

Best way to bind multiple RHEL 6 Systems to AD and use NFS?

I am currently migrating systems to an AD domain using winbind. This works fine but I have discovered that NFS mounts don't have proper permissions because users and groups end up with different uid/...
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472 views

MySql/RedHat, High I/O Wait … for a few hours… then disappears

I've got a RH server as a VMWare instance logging GPS fixes 24x7. The transaction volume hasn't changed over the months (in fact I am pruning the transaction table more aggressively now) with only ...
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541 views

Spacewalk/Satellite Server - spacewalk-create-channel

I have a Spacewalk installation and I have mirrored the RHEL6 base repo on my server using mrepo. I created a channel using spacewalk-create-channel --user=me --server=localhost --version=6 \ --...
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346 views

Cobbler import of RHEL6 DVD doesn't seem to create yum repo

I setup cobbler (2.4.0) and imported the RHEL6.4 DVD. It copies all of the packages over to /var/www/cobbler/ks_mirror/RHEL6.4-x86_64. It even runs createrepo and loads the metadata, etc. So you ...
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85 views

multipath -l vs -ll

What system information is multipath -ll reading that multipath -l does not? From the RHEL DM Multipath Guide -l Display the current multipath configuration gathered from sysfs and the device ...
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159 views

Xvfb on RHEL6 - can't find the package

This looks like an already discussed subject, but, I can't find any solution for it, so, I gonna try it again. I look some questions and try all the given solutions, with no success. I tried to ...
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409 views

UDP socket receive buffer size change on RHEL6.3

Our system used to work on RHEL5.3 And the socket receive buffer size is 64k. And that works fine. We can get message size up to 64k on UDP socket. But after system upgrade, it is running on RHEL6.3 ...
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170 views

Processes getting stuck on 2 servers that have just updated

Just last night, ran a yum update on a couple of RHEL servers, I did manage to get a list of the packages but at least one of them seems to have caused a big problem. The issue is that SSH to both ...
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498 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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521 views

mysqld service crashes on restart, after importing mysqldump #innodb

I have 2 mysql servers. Let's call them server01 & server02. Both have the same configuration: mysqladmin Ver 8.42 Distrib 5.1.61, for redhat-linux-gnu on x86_64 [client] default-character-set=...
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59 views

Can I specify a bundle deployment order in RedHat JON Server?

RedHat's Jboss ON Server is a way of managing "bundles" of software and web applications. Can one specify the order in which bundles must be deployed? We have a set of bundles which bootstrap a ...
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35 views

Does redhat have any jdk configuration tools?

Red Hat seems like a very inconvenient environment for java. On other distributions like debian and gentoo there have been system wide config tool for many years. On red hat there's seems to be ...
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538 views

Deciphering IPSEC errors

I have a host I am trying to setup for ipsec. But I am finding some errors in the log that don't make much sense to me. The system are Rhel 5.5 boxes. I followed RHEL's IPSec deployment directions ...
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580 views

USER_LOGIN audit log with incorrect auid value?

We have a CentOS 6.2 x86_64 system that's logging what looks to be erroneous audit information. We were receiving alerts for failed logins by a user who wasn't actually trying to log in. After some ...
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1k views

Fence device for RHEL cluster node on vmware workstation

I have a host with Windows 7. I installed VMware Workstation where I have installed two virtual machines. Each virtual machine is a rhel 6.2 node running clustersuite. Do you know which fence device ...
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125 views

Coldfusion installer succeeds, but with no /bin/ directory

I've just tried reinstalling a CF9 server, but the installer finishes with "11 NonFatalErrors", and there is no /cf-root/bin directory. This means I can't run /cf-root/bin/coldfusion start so I can't ...
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475 views

WERR_ACCESS_DENIED - While rebooting Windows with Linux over LAN

We recently lost one of our Windows 2K8 servers while switching from Static to DHCP after a DHCP release command was inadvertently called. The server was still active but we were no longer aware of ...
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632 views

Apache randomly fails to restart (port 80 in use) .. Probably cron related?

So this started happening for no apparent reason on a RHEL5 server running Plesk 10. I woke up one morning to find all the sites hosted on this box were offline. I SSH'd in and restarted httpd - ...
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548 views

Kickstart PXE Boot Installation not working

I tried installing PXE Boot Installation Server on RHEL 6.0. I seem to have done everything according to the page: http://www.linux-sxs.org/internet_serving/pxeboot.html. In my case, the client boots,...
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934 views

init 5 kdump fail

Whenever I do a init 5 runlevel. The System goes like this.. Starting portreserve: [ ok ] Starting irqbalance: [ ok ] Starting kdump: [FAILED] ...