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52 views

Active Directory: Server 2008 and RHEL 5.10

Apologies if this is a re-post. I've been googling and researching the topic for over three weeks now and I've come up against the same problem over and over again and I haven't managed to get around ...
3
votes
0answers
129 views

Unusually high nfs_inode_cache

My server is experiencing a high usage of nfs_inode_cache = 11G , im trying to figure out what's consuming all this , i know already that directories with large numbers of entries and deep directory ...
3
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385 views

Broadcom BCM57810 iSCSI offload performance

Anyone out there doing iSCSI offloading using Broadcom BCM57810 10 gigabit ethernet cards? My test scenario Network.... 2 x Dell Force 10 S4810 switches Client.... Dell R620 24 core 128gb memory ...
2
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0answers
275 views

RHEL 6.5 web application PAM AUTH pam_oddjob_mkhomedir

I've got a RHEL 6.5 that authenicates against an AD server, that side is working fine. The machine is also running a web application that uses a PAM module to authenticate. I copied login to make a ...
2
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0answers
27 views

PIV authentication on redhat

I'm looking for a solution, or set of technologies, (etc) - for setting up a mixed (win 7, rhel 6.5) network with centralized login using smart cards (PIV). I know that this is possible using a ...
2
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82 views

Lots and lots of kernel log entries: iint_free: readcount: -1, iint_free: writecount: 1

I am getting tons of log entries of the form Mar 2 00:44:10 SRV123 kernel: iint_free: readcount: -1 Mar 2 00:44:10 SRV123 kernel: iint_free: writecount: 1 Mar 2 00:44:10 SRV123 kernel: iint_free: ...
2
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0answers
39 views

Does the LVM DM UUID contain any metadata?

For example within the name listed below is there any metadata within the name, eg based on server serial number or date created or such: ...
2
votes
0answers
24 views

Specialized access control for directories in RedHat 6?

I have a requirement where I want to set permissions for a directory so that the directory owner (user/group) would be able to create files inside the directory and modify them, but won't be able to ...
2
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227 views

ZFS on RedHat configuration

I have to set up a ZFS storage appliance (Oracle ZFS Storage ZS3-2) with NFSv4. The NFS is mounted on a Redhat 6.5 cluster, where the linux users are created (they don`t exist on the appliance). ...
2
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186 views

Set Linux GID based on LDAP OU in ldap.conf

In our company we have a given LDAP Server, which represents the Users of our Windows Active Directory. Unfortunately the gidNumber sent to the LDAP client is always containing the Value "1001" for ...
2
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0answers
604 views

Completely remove and reinstall Foreman RHEL 6

I have a RHEL 6 host I inherited on which I need to install Foreman stable. It previously had Red Hat's OpenStack "Technology Preview", which relied on Puppet 2.5 and was not useful for permanent use. ...
2
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139 views

Redhat 6.4 configured to log Martian packets but is not logging ll header

I am trying to investigate the source of martian packets I have been seeing on several servers connected to the same subnet. The logging of martian packets has been enabled in /etc/sysctl.conf. ...
2
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0answers
204 views

Phusion Passenger setting PassengerPreStart does not activate using service httpd start

I'm running Phusion Passenger on RHEL, hosting a Rails application. I can successfully start up a passenger instance on Apache startup using the Passenger setting PassengerPreStart, but only if I ...
2
votes
0answers
448 views

Setting priority to NICs for iSCSI initiator connectivity to EqualLogic SAN

So we purchased an Dell Equallogic 4100 SAN and I have the privilege of connecting our 2 RHEL 5.1 R3 Oracle Financial servers to it with Multipath. I have 3 NICs on the server: ETH0 = 60.60.60.88/24 ...
1
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42 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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42 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 ...
1
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0answers
42 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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182 views

CentOS kickstart automated setup with parted / RAID

I'm trying to use parted to partition my entire drives automatically during the CentOS kickstart install, however, I'm getting two issues with my install. I want to kickstart my installs across ...
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76 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 ...
1
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0answers
78 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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0answers
26 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 ...
1
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0answers
87 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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0answers
91 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 ...
1
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35 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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94 views

Implementing and testing a Subversion hook

Background I'm trying to implement a number of commit hooks for Subversion. I have done a lot of research to try and get a simple test hook to work, however I have had no luck. For reference I have ...
1
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0answers
177 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 ) , ...
1
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0answers
71 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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0answers
46 views

SNMPget and bash gives strange results (gauge32 values incorrect)

Reallly strange to me but here is the problem. If I use an SNMP client such as ManageEngineMibBrowser to query the appliance I get what look like reasonable Numbers: dpStatusMemoryStatusUsage.0 97 ...
1
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0answers
2k views

Samba Configuration issue

I have been looking around to no avail. RHEL 6.4 I can run the following from a remote server, and successfully authenticates against LDAP: smbclient -L //tric4t/share -U username Once I run ...
1
vote
0answers
916 views

Connecting to MSSQL server using sqlcmd and odbc driver on RHEL 6 fails

I spent the last hour trying to connect to a mssql server using sqlcmd through odbc driver. I was talking to the db guy but he doesn't seem to have a clue what is going on.. Maybe you can help me out ...
1
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0answers
102 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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142 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 ...
1
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0answers
99 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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0answers
92 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 ...
1
vote
0answers
99 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 ...
1
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0answers
111 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 ...
1
vote
0answers
350 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 ...
1
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0answers
332 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 \ ...
1
vote
0answers
208 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 ...
1
vote
0answers
56 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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vote
0answers
134 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 ...
1
vote
0answers
301 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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vote
0answers
161 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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0answers
239 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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0answers
2k views

NERR_DCNotFound when attempting to join Windows Server 2010 domain using PBIS

I have a RHEL 6.3 Amazon Web Service instance I'm trying to join to a Windows Server 2012 AD domain through PowerBroker Identity Services Open (ie: not enterprise). The Server 2012 instance is in the ...
1
vote
0answers
237 views

setup static route via dhcp

I try to push static routes over dhcp in a redhat enviroment. I have already activatet the option rfc3442-classless-static-routes. The dhcp client is also configured to request this optien as ...
1
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0answers
360 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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0answers
45 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 ...
1
vote
0answers
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 ...
1
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0answers
430 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 ...