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799 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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93 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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341 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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584 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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447 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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706 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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390 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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611 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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638 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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133 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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191 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

ldapsearch - Get all members of a CN (nisNetgroupTriple)

I'm a bit new to using LDAP, especially non AD LDAP. We use RedHat Directory Server and was trying to do an LDAP query (filter specifically) that would retrieve all the users (and their attributes) ...
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11 views

Restrict user changing xscreensaver settings

I would like to know any solutions people came up with restricting a user from changing a system wide configuration of xscreensaver. Part of my job is managing systems which have a requirement that ...
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9 views

How to work whit socket_file httpd (nginx-uwsgi)

I am trying to run Nginx/uWSGI/Django, the last remaining step is to run the socket_file all I get is a 502 Bad Gateway. Route my django application. #/home/deploy/webapps/myapp Configuration ...
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11 views

Openshift: war file disappears

I deployed war-file to openshift via rhc and wildfly administrative console. It works fine. But after few days (approximately one week) war disappears. The administrative tool on openshift and wildfly ...
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16 views

Apache doesnt start after mod_wsgi re compile

I recently had to rebuild python and mod_wsgi in order to get a django site working. The problem is now apache doesnt start. I'm running RHEL6, and Apache 2.2 This guide is what I followed ...
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28 views

PCI says port 36141:TCP is blocked. But 36141:TCP open on iptables

PCI compliant scan fails due to port 36141:TCP is being blocked on website. I verified I cannot connection via 36141 on same server to itself: # nc -zv 127.0.0.1 36141 nc: connect to 127.0.0.1 port ...
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22 views

RHEL6 yum 'ascii' codec can't decode

I went to upgrade my RHEL5 to RHEL6, without problem. I've got just a little cosmetic warning as : # yum update Modules complémentaires chargés : product-id, security, subscription-manager 'ascii' ...
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32 views

RHEL6.4 server did not send a SYN/ACK packet in response to a SYN packet from AppDirector intermittent

In my case, client access this RHEL6.4 server thought AppDirector, so the TCP connection is from AppDirector to the server. According to wireshark, sometimes, RHEL server didn't respond for the first ...
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47 views

Linux Redhat inbound NIC routing

I am running a SIP application on a Redhat Linux server with 4 nics on separate LANs. SIP runs on UDP port 5060. When I send a inbound packet to port 5060 NIC0, the packet gets delivered to the ...
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57 views

RHEL hang on boot - first on sendmail, then on iiimf

I can't figure out what this box is doing. Running RHEL 4.8 - it was rebooted and now it won't come back up. Diagnostic with Seatools shows the drives as good, fsck checks out as well. I can get into ...
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27 views

cron job time managment

I have cron job A and B (both jobs run every minute) from 9.00AM to 6.00PM I like to make the second one run after the first one in 30 second.both cron job should be run by root user. for example if ...
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96 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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69 views

Utility to list and modify kernel modules loaded during system startup

How do I list all kernel modules loaded while system startup? Is there a user space utility to list and modify the modules loaded during system startup? I am working on RHEL6 Desktop and RHEL6 ...
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70 views

Openswan malfunction since update

For security reasons i performed and update from a previous version of openswan to U2.6.32/K2.6.18-194.el5 (netkey) Since that moment i've been experiencing constant tunnel drops, i've checked the ...
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61 views

Yum Cache Service

I have a LAN where I currently use an instance of Sonatype Nexus to proxy several yum repositories. All the clients on the LAN are configured to install packages only from this service. The only ...
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64 views

E5-2667V3 or E5-2640V3 for HP BL460c Gen9 and Oracle Linux 6 + Oracle 12c

We are currently designing a new shared environment (2-4 nodes cluster) which will have: HP BL460c Gen9; OEL 6.6; Oracle 12c database on Oracle Grid infrastructure (with ASM). The plan is to have 8-10 ...
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92 views

install Bootstrap redhat linux

I am trying to install Bootstrap on my redhat linux box on AWS. First I installed node following this tutorial git clone https://github.com/joyent/node.git cd node #Try checking nodejs.org for ...
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13 views

winetricks donet20 installing frozen

I try to install Microsoft .NET Framework 2.0 with the winetricks tools on RHEL 5.11 Each times I've this log PasteBin I'm using this command: env WINEARCH=win32 WINEPREFIX=~/.wine32 ./winetricks ...
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54 views

Execute a script while boot up in RHEL7

One of my server reboots every sunday and monday morning, whenever the server is up I need to do a service restart. Actually I call a script to execute itself (everytime manually). What I want to ...
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71 views

(OpenShift) Permission denied when installing my own cartridge from my github repository

I froked MySQL cartridge from official github repo and I added some modifications to support utf8mb4 encoding. this is my cartiridge on github : ...
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63 views

Emails stopped being sent by server all of a sudden

I am not really a Linux admin (mostly focused on Windows) but we do have one WebServer that runs Red Hat 6. This server has a web app that runs on ColdFusion 10 (Update 14). I generally just login to ...
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41 views

Check Filesystem of Root Volume (Amazon Linux / RHEL)

How can I check the file system (and repair potential errors) of the root EBS volume (/dev/xvda1) of an Amazon AWS T2 instance? The instance runs the latest version of Amazon Linux (RHEL). Is it ...
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63 views

RedHat ntp offset becomes bigger over time

I have a strange issue with a server. It is configured to use 2 servers, just like all the other server (the config is the same for a couple of server and they are all working except this one) and it ...
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0answers
139 views

systemd-journald: Received request to flush runtime journal from PID 1

I'm using RHEL7 on Amazon EC2 and I'm experiencing issue while booting it up. last few entries from log are: [ 93.000775] systemd-journald[413]: Received request to flush runtime journal from PID ...
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145 views

Starting a second tomcat instance with a user other than root on redhat linux

I am running RHEL Server 6.1 After intalling tomcat6 using yum install tomcat6, I needed a different tomcat instance on the same server. Following instructions on ...
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0answers
121 views

RedHat Yum Install Errors (PHP Module)

All, I am trying to use yum to install a PHP module which I expected to take all of five minutes... After quite a bit more than that I am stumped. Yum is throwing an error about a dependency missing ...
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23 views

What is the default behavior when a RHEL 6.x DHCP client fails to renew its address?

I have had experience with some RHEL 6 servers that were found unreachable, and investigation of the console revealed that they had failed to renew their IP address, and eth0 was without an IP. There ...
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0answers
46 views

RHEL 5 with PHP 5.1.6 VS RHEL 6 with PHP 5.3.3: Security implications

Using only the RHEL Repositories, RHEL 5 considers PHP 5.1.6 to be up to date, and RHEL 6 considers PHP 5.3.3 to be up to date. My question is: Are security updates/patches backported so that 5.1.6 ...
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68 views

GDM PostLogin Scripting from GDM Session

Does anyone know a way to determine what session has been selected at the GDM window in the PostLogin script section of the GDM login process? The situation I'm dealing with - some of my users want ...
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0answers
68 views

Is there a way to alter default mount options for the xfs filesystem?

Q1. Is there a way to alter default mount options for the xfs filesystem? E.g. for ext2/3/4 it is done in /etc/mke2fs.conf file. Q2. Also is there a way to see default mount option on the mounted xfs ...
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127 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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0answers
87 views

network trouble with hp bl465c g7 and rhel6.5

I have an HP BL465c g7 that worked fine with RHEL6.3. After upgrading to 6.5 the network stopped working. Can ping itself but no the gateway or anywhere else. IPtables are clear, eth-tool reports a ...
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0answers
79 views

emails are coming from localhost instead of php sendmail_from

I'm trying to understand what I'm missing here. I have following PHP script: <?php ini_set('sendmail_from','XXX@XXX.TLD'); mail('YYY@YYY.TLD',rand(),rand()); ?> ... and even though I set ...
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105 views

NFS clients seeing stale state

I have a server exporting partition as: /data/foo *.example.com(rw,sync,all_squash,anonuid=502,anongid=502,subtree_check) ... and client mounting it as: myhost:/data/foo /home/myuser/foo ...
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67 views

Why can't some user accounts access certain remote ports?

I am trying to troubleshoot a couple issues on RHEL 6.5 that seem related. In both cases, a user on a machine (seperate machines) cannot access a service (seperate services) on a remote machine. In ...
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489 views

Yum does not install specific RPM version with custom repo

We use RPMS for our packaging and yum to update our environments. We have an rpm package-5.1.1-3 installed in our production server and in our yum repository we have 2 newer versions such as ...
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85 views

Red Hat Network API connection

I'm creating a perl script that connects to the RHN, however I seem to be struggling. The code I have is this: #!/usr/bin/perl use Frontier::Client; my $HOST = 'xmlrpc.rhn.redhat.com'; my $client ...
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268 views

Advertising security type 18 (VNC)

I am connecting to a Red Hat Miapo via VNC (well at least trying to) and I am getting some weird errors. From the VNC Viewer (Windows) I receive the error: "unable to connect to VNC server using your ...
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0answers
47 views

VNC with RedHat 7.0

I am having troubles with VNC for connection to RH 7.0 from W7. My connection cannot be established as the connection times out every time. I am unfamiliar with the RH 7 GUI and cannot seem to find ...