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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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320 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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400 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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48 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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458 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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368 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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859 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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95 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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373 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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594 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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470 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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752 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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405 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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647 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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678 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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134 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

Understanding SAR output for historical memory usage

As we know with free -m were suposed to look at the buffers\cache: free -m total used free shared buffers cached Mem: 3919 3398 521 ...
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9 views

landscape-sysinfo for CentOS?

I've been using /usr/bin/landscape-sysinfo on Ubuntu, and I'm now looking for a good alternative to use on a CentOS machine. Is there anyway to install the requirements to make this work on ...
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18 views

Why c app is not writing to nohup.out

I wrote a simple master-slave failover setup for my two servers using c, running redhat6 which using udp heartbeats to monitor one another. In my app I'm printing out some information like, heartbeat ...
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4 views

CIFS samba autofs with spaces

I think that I'm having issues with autofs mounting a Windows share because it contains a space. As a matter of education, I don't want to remove the space. I want to get this working. I can mount ...
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20 views

qemu-img VHD to raw image convert results in bad geometry:

Is anyone else able to reproduce this? Using StarWind V2V Image Converter on Windows, I'm able to get a valid disk.img file, so the source image.vhd is clean (pulled down from rackspace). Is this a ...
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26 views

Building a stack of SRPMs in build-dependency order

If I have a stack of SRPMs that I'd like to build, leading to a final product binary RPM. Many of the SRPMs require the built RPMs of other SRPMs to build. These requirements are expressed in the ...
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7 views

Lighttpd ldap auth issue, massive performance loss (lighttpd 1.4.35-1.el6.x86_64 + RHEL 6.6)

I installed lighttpd for the first time from epel repo. I changed user and group for the webserver and ran the lighttpd server. I can download a page with 200 small images in about a second. If I ...
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8 views

Using instance storage for swap on Redhat 5 running in AWS?

I'm running a Redhat 5.11 server in AWS. I can configure swap to use instance storage (/dev/sdc), but every time the server restarts I have to reconfigure the swap. Adding an entry to fstab doesn't ...
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34 views

Usermod -aG vs gpasswd -a as a best practice

I am aware that usermod -g is not best practice from many posts like this however they normally explain the usermod should not be used as it changes the primary group of a user. These posts dont seem ...
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40 views

can't create volume on disk-based libvirt storage pool

I followed Red Hat's doc (to the letter) on adding a disk-based storage pool for my libvirt/kvm server. Here's what I see: [root@kvm ~]# virsh pool-info guest_image_disk Name: ...
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26 views

failed ssh logins DOS: pam_systemd Failed to connect to system bus

After a couple of weeks of script kiddies attempting to login via SSH to my CentOS 7 box on EC2, it eventually stops responding on that port (and to http on port 80), and I have to reboot it. The ...
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22 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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14 views

How to add a certificate authority (CA) to redhat 5.6

I have Imported a Trusted Root Certification Authority(CA.cer) into Windows,It's working fine on window.Same certificate how to import the redhat 5.6?
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35 views

yum list available - not showing all packages

I have a strange problem with yum, working on one server and not working on another server that should be identical. The symptom is that after running createrepo on a directory containing RPMs (and ...
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78 views

RedHat 6.6, Apache 2.2.15 and Varnish 4.0.3: Status Code 403 Forbidden on HTTPS/SSL configuration

I'm trying to configure Varnish to work with my SSL Apache configuration. Here's an extract of my httpd.conf file: Listen 8080 ExtendedStatus On NameVirtualHost 192.168.xxx.123:8080 Then I have ...
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31 views

Can't read PID file on OpenLdap using RedHat 6/ Centos

When I try to execute command "service slapd debug", I receive this message [root@elara ~]# service slapd debug slapd: [INFO] Using /etc/default/slapd for configuration slapd: [INFO] Halting ...
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26 views

Can FPM make one RPM package that acts differently if systemd is being used?

I build an RPM using fpm for EL6 hosts. It installs a /etc/init.d script. However if that package is installed on an EL7 host, I want it to install a file in /usr/lib/systemd/system instead. Is ...
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30 views

Mongodb + Kerberos BadValue SASL mechanism GSSAPI is not supported

I am trying to run an instance of mongodb with the authentication mechanism GSS-API. This is the command: mongod --dbpath /home/ec2-user/db/node2/data --auth --setParameter ...
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0answers
30 views

Redhat configure sftp

I would like to give someone in a different dept read only sftp access to a certain dir on a redhat 6 server. Easier said than done I've found. I've followed a guide like this one to setup the user to ...
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38 views

Apache URL Rewrite On the same Virtual Host works in one case but fails in another

I have an odd problem, where I am rewriting a URL to proxy to two different URL destinations, based on digits that are passed in the URL and a particular string, in the same virtualhost definition, ...
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42 views

Hidden network after cloning Red Hat

I have a bizarre network problem with Red Hat. I have a virtual RHEL6 guest machine running on a ESXi 5.5 hypervisor. The VM is a clone of a base 'template' I created. The problem is there seems to ...
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59 views

Read-only access to a dir for a user in the shell, but allow git to write to that dir

The Environment: At work we have a shared web hosting account which allows us shell access to our server, but not root privileges. This means we have a single user in a single group and cannot create ...
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0answers
101 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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31 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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0answers
27 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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0answers
32 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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35 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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74 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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48 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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56 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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77 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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30 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 ...