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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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318 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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275 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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57 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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226 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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113 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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279 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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91 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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142 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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228 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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164 views

Red Hat Enterprise Linux 4 - free -m shows high memory used in second line but no process actually uses memory

I have a Red Hat Enterprise Linux. I understand that top can show high memory usage, which is fine. free -m shows below output: $ free -m total used free shared ...
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117 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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165 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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180 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 ...
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452 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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501 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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321 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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76 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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153 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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392 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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168 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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442 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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470 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] ...
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56 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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520 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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471 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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115 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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435 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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623 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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526 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 ...
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886 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] ...
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478 views

Large Number of ACPI Interrupts

I'm wondering if anyone has seen this before, and could perhaps shed some light on a solution. I'm running Red Hat Enterprise Linux 6.1, fully updated in a text-only server configuration, and the ...
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745 views

Likewise fails to create Home Directory in RedHat 6

It could be that I am missing something simple. But I can’t determine why users authenticated via AD are not getting home directories. I’ve looked at the documentation and tried to discover an error ...
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783 views

Multicast Default Interface - upgrade to RH5.5

I have upgraded a server from RH4 -> RH5.5 and we have an interesting issue with multicast. we have multiple NICS on the server, we want the bond0 to default as the default interface. adding route ...
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141 views

Reset Active Directory Passwords Using RHEL6

Does anyone know of a way to reset Active Directory Passwords through RHEL6 or Ubuntu 10.04LTS so that the Active Directory user can still access network resources with their AD account. Also, is ...
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194 views

Why would a diskless boot linux box stop seeing local hard drives?

A little background... I work on a system that uses PXE booting for the majority of the nodes. Several of these nodes have local hard drives that are used for persistent storage of data needed for ...
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7 views

localuser.sh hanging in RHEL

As per my need i want to do the following on startup of RHEL. a) add route to path b) start an application name myapp stored in /root/Desktop/app for this i made a shell script named startMyApp in ...
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16 views

fcoemon: error response from lldpad: error

I have created and configured the red hat cluster and as I was just going through logs to see if every thing is fine, thats when I saw these errors. Not sure whats with these errors. Please advise. ...
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13 views

What is the Red Hat equivalent of the windows “Register this connections Address in DNS”

Hi I have a collection of RHEL6 server each has 3 static IPS and interfaces Currently when we nslookup the hostname from another server it returns all 3 interfaces from the DNS server (windows) We ...
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19 views

Use of PTPd on RedHat/CentOS

I need to create a reliable and accurate synchronization between two CentOS 6 machines connected through a direct Ethernet connection. I've seen that on Linux several implementation of the IEEE 1588 ...
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8 views

Preventing privileged users from running “udevadm trigger”

My situation is this: we run Red Hat 6.x for some Oracle database servers, and use udev rules to maintain ownership and permissions of raw volumes (LUNs from SAN) so that Oracle can use them as ASM ...
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18 views

How to I diagnose downloads slowing over time?

I am trying to track down a strange networking problem. Basically, a http download from a tomcat server is slowing down over time. For example, the download speed starts at 700kb, then slows to 650, ...
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20 views

rsyslog working differently when started as service

I have configured rsyslog to read from a file /root/test.log and forward what it reads on TCP If I start rsyslog directly: [root@servername ~]# rsyslogd it works as I expect (yay). However it does ...
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34 views

Unmask permissions on Linux RHEL (AWS EC2)?

I've installed a AWS Linux EC2 instance. I have multiple users who should be able to edit each others files, including new ones that are uploaded. The Linux default is RHEL. I understand that I can ...
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18 views

Script from RPM %post does not interact with user

I'm building an RPM which needs to run a bash script as root. Below, in the spec's %post stanza the script %{installscript} does not interact with the user (as it does when run from the shell), but ...
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19 views

how to create persistent route on a RHEL 6 machine to a gateway on a different VLAN?

I'm trying to create a persistent route on a RHEL server to an IPSEC tunnel gateway that's on a different VLAN. This was no problem on another RHEL server that is on the same VLAN as the IPSEC tunnel ...
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38 views

iptables user-defined chain not working

I am testing rate limiting to outbound IP's using iptables with user defined chains. So far I have only been able to get this to work with inbound traffic to my server. I cant seem to rate limit ...