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56 views

Trying to understand correct operating levels of my server

I'm trying to establish what thresholds my dedicated server should be operating in. The server is an Intel(R) Xeon(R)CPU L5420 @ 2.50GHz with 16GB RAM running RedHat with Apache 2 and MySQL. It has ...
-1
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4answers
15k views

How to check HDD health in Linux

I am facing issue with my HDD and I need to know what is the command or application to check the Health of the HDD in LINUX REDHAT
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1answer
537 views

How to solve Critical Logical Driver Error

I was checking the logs in server when i came across this message. Nov 4 12:52:05 SERVERNAME ServeRAID Manager Agent:[338] Periodic scan found one or more critical logical drives: controller 1. ...
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votes
3answers
224 views

super user ssh login

Im using redhat 6.0, As I need one more super user access other than root user and named it as "master" , so I created a user and assigned uid 0 to that user then I have restricted ssh login for ...
0
votes
1answer
19k views

How do you enable a graphical interface for the Red Hat Enterprise Linux Client download? [closed]

I downloaded Red Hat Enterprise Linux Client 6.3 onto virtual box but it's only bring forth a command line interface when I login in using root. There is no graphical interface attached with the ...
4
votes
1answer
1k views

chkconfig creating service symlinks with the wrong order

On RHEL 6.3, I have a system service that should be starting after postgresql and httpd (order 64 and 85, respectively), but chkconfig always places it at order 50. I tried an experiment on a CentOS ...
0
votes
1answer
216 views

yum update with shared cache

We've got a big batch of RHEL6 machines that are due for patching, and for some reason the process here does not involve a local repo. I'm new here, I've asked why, ["it just didn't work"] and I don't ...
2
votes
1answer
1k views

RHEL6 kick start fails with kernel panic - not syncing error

On a brand new (just unboxed) Dell Precision 7500 computer, I began a kickstart using a red hat boot disk and a kickstart file hosted at an http address. There is a picture of the full error below ...
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2answers
310 views

How can I measure actual memory usage from my running processes? [duplicate]

Possible Duplicate: Meaning of the buffers/cache line in the output of free I have two servers, server1 and server2. Both of them are identical HP blades, running the exact same OS (RHEL ...
5
votes
5answers
1k views

Linux - How to manage the password of root?

We have just deployed a couple of Linux server. Each sysadmin will have his own account on the server (i.e.: jsmith), and will connect using SSH with a certificate which will be put into the ...
2
votes
2answers
1k views

MySQL not releasing temp file descriptors

Since a few days ago, we’ve been experiencing some serious problems with our MySQL installation: MySQL keeps opening temporal files (normal behaviour) but these files are never released. The ...
0
votes
1answer
149 views

RedHat 6 VM with 8 GB RAM - who uses the memory? [duplicate]

Possible Duplicate: Why does Red Hat Linux report less free memory on the system than is actually available? after freshly rebooting the VM "top" indicates about 0.5 GB out of 8 GB RAM are ...
1
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0answers
427 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] ...
1
vote
3answers
186 views

How to know what changes YUM UPDATE is going to apply?

How to know what changes YUM UPDATE is going to apply? I know you can see the list of packages that are going to be updated, but I'd like to know what detailed changes are going to be aplied in ...
2
votes
1answer
100 views

SNMP configuration - black list external hard drives

Is there a way on a RHEL server to blacklist external hard drives from SNMP configuration so that if and external HD fills up, SNMP doesn't 'detect' it.
1
vote
2answers
287 views

Strange enduser experience with Liferay, Glassfish and Apache on RedHat

Tried multiple forums to get to the bottom of this. I hope I can get some direction here: Here is the stack I am working with: Red Hat Enterprise Linux Server release 5.6 (Tikanga) Liferay 6.0.6 on ...
3
votes
1answer
154 views

Migrating GNU Mailman server to new hardware

We have a GNU Mailman server running on some old hardware that is due to be retired soon. I have been trying to figure out where the list/archive data stored so I can just rsync it over to the new ...
3
votes
2answers
3k views

Windows 7 Samba issue

We have a strange samba issue affecting only one user. Our samba setup is as follow : Red Hat Enterprise Linux Server release 5.4 (Tikanga) - Samba Server Samba version 3.0.33-3.14.el5 ...
2
votes
3answers
1k views

How to configure 2 NICs with 2 different gateways?

I have a server with 3 NICs running RHEL6. eth0 is connected to the intranet. eth1 is connected to the Operations and Maintenance Network eth2 is connected to an automated backup network (doesnt ...
1
vote
2answers
402 views

Making sense of the RHEL release string when looking at yum info output?

I am trying to understand how interpret the release field displayed by yum info on RHEL 6. for example the commands below give wildly different values for Relase, what exactly is release refering to, ...
6
votes
3answers
6k views

How to free up space on RHEL6 /boot safely?

I am trying to do yum update on RHEL 6 box and I am getting this error message Transaction Check Error: installing package kernel-2.6.32-279.9.1.el6.x86_64 needs 10MB on the /boot filesystem ...
1
vote
1answer
348 views

MegaCli newly created disk doesn't appear under /dev/sdX

After having successfully added 2 new disks in a new RAID virtual drive (background initialization done), I would have exepected it to appear under /dev/sdh but it's not there (so, unusable). The ...
3
votes
2answers
6k views

How to install java-1.7.0-openjdk-devel on RHEL Server 6.3?

I have need of installing a Java 7 development environment on a RHEL 6.3 (system details are below). Following the official OpenJDK directions I tried yum install java-1.7.0-openjdk-devel (as root). ...
0
votes
1answer
267 views

Web application access different between Domain Name and IP

in our office, we have a web application running. When we access the application by the domain name, http://server.domain.com/application/name it will display the current version of application. ...
1
vote
1answer
38 views

Can I use Veritias Storage Manager to provide HA storage using server-local storage?

I have a need to provide an high-availability ftp/http file repository. Upload will happne to one server, but the uploaded file must be immediately visisble on all other servers I can handle the ...
0
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1answer
733 views

How to see why my server is restarted without user action

My server is restarted by itself tonight. How can I determine waht caused this? I checked in /var/log/messages but I can't understand from there. Is there any other way/option ? I use Red Hat ...
4
votes
3answers
2k views

Yum: What is the @shortname for a Package Group?

I am creating a kickstart file, and I want to install certain Package Groups in the %packages section. I prefer to install Package Groups, and therefore use the @packagegroup syntax: %packages @Base ...
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votes
1answer
863 views

redhat linux 6 / disk space at 100% after delete and reboot

Using df -h and du my disk space show 100% all the time. I have deleted at least 2GB of files and I rebooted the server. I thought that will fix the issue as the server came up just fine. However, it ...
3
votes
3answers
772 views

Why doesn't NFS recognize a new UID?

I have two servers running RHEL6. I have root access to both. The main server, which I will refer to as server, is a database server. The application server, which I will refer to as client, mounts a ...
0
votes
1answer
429 views

RHEL6 - Fips140-2 - Apache fails when trying to start with SSLFIPS on directive

Hello server warriors! I have a situation where I need to make my RHEL6 system FIPS140-2 compliant...which includes apache and mod_ssl. However, after I make the server run in "fips 140 mode" Apache ...
1
vote
1answer
394 views

Error while installing phabricator using http://www.phabricator.com/rsrc/install/install_rhel-derivs.sh

The command thats run is yum install httpd git php php-cli php-mysql php-process php-devel php-gd php-pecl-apc php-pecl-json mysql-server I get these errors. How do I fix these? Error: Package: ...
1
vote
1answer
2k views

Incorrect MIME type - pulling my hair out

I have a problem with CSS files being incorrectly marked text/html by Apache. The file type is mismatched in the browser, and is ignored causing display failures. I'm using Apache 2.2.3 on a RHEL 5 ...
2
votes
2answers
12k views

How can I remount an NFS volume on Red Hat Linux?

I changed the user id of a user on an NFS client that mounts a volume from another server. My goal is to get the 2 users to have the same id, so that both servers can read and write to the volume. I ...
12
votes
1answer
2k views

Linux - if I change the hostname, which services need to be restarted?

I'm making some system hostname changes across a few environments and this got me thinking... When I change a server's hostname (live), what needs to be modified and which system services require a ...
3
votes
2answers
2k views

RedHat Linux: server paging, sum of RES/RSS + buffers + cached < TOTAL. Who is using my memory?

We have a server with 8GB, running mysql, 4 java applications and a small postgres db. We're having some issues with the system paging when running some mysql queries, so in order to see what's going ...
1
vote
2answers
2k views

How to configure RHEL so users can access an app GUI remotely

I have an application installed in my RHEL6 box that has a GUI (AppGui.sh). My problem is that a few non-tech users would like to access this GUI remotely. I've tried several guides over the internet ...
1
vote
1answer
103 views

Sendmail's maillog polluted by dkim-filter

I just added domain keys to my sendmail configuration and everything appears to be working. However, upon reviewing the maillog I get a ton of these when an email gets sent or received: Oct 4 ...
1
vote
2answers
208 views

How to open http for linux server

I am a Windows (IIS) software engineer, but recently I've been thrown into a Linux server admin role until we can find someone to fill the position. I am not ashamed to admit I have no idea what I am ...
2
votes
2answers
548 views

Testing a production hard hard / debugging high I/O Load

I've been getting a lot of high load lately on this server more so then it should for what little is on this system. Seems like just the simplest stuff using the disk like a YUM update will spike the ...
1
vote
1answer
7k views

YUM Update Failed - Error in POSTIN scriptlet in rpm package

Running "yum update" and it gets to installing and then breaks. Not sure what the problem is. Google shows nothing. Error in POSTIN scriptlet in rpm package gtk2-2.18.9-10.el6.x86_64 error: error ...
2
votes
2answers
413 views

Configure DB2 LDAP authentication

I want to configure LDAP auth in DB2. From IBM docs I learned that first I need to configure LDAP authentication in operating system. But in documentation described old way of configuring LDAP for ...
2
votes
1answer
2k views

Linux static route configuration via DHCP

I have a bunch of RedHat VMs that I need to set a static IPv4 routing table. I want to centralize this configuration and it came to my mind the DHCP service that could provide this information (see ...
1
vote
1answer
703 views

Migrating WebLogic 10.3.0 to new host. Slow managed server startup times

We are migrating our Blue Martini Commerce application (only supported on WebLogic 10.3.0) to a new host (Redhat 6.3 on a VMWare ESX vm). We are seeing extremely slow start up times for our managed ...
1
vote
2answers
98 views

Iptables blocking all my traffic for some reasson

I've installed stock Red Hat Linux 6 and I've installed lighttpd, it seems that my website loads only when i stop iptables (service iptables stop), I'm not sure what's going on, because I haven't done ...
0
votes
1answer
352 views

Redirecting HTTP to HTTPS for multiple subdomains with Apache on Red Hat

I recently added a wildcard SSL certificate to my sites. How can I get it so when a user goes the sites, it forces them to https? The SSL covers sites in the form of *.staging.domain.com, I need it ...
1
vote
0answers
51 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
1answer
607 views

Start TLS and 389 Directory

I'm trying to configure Start TLS on 389 Directory server, but I'm having all sorts of issues. I've been following this doc: ...
1
vote
1answer
192 views

Linux Startup Script + add one command

I need one command line to run at startup. I've tested the command (it re-assosiates an Amazon IP to a Linux Server) and the command run successfully. Just need to know the best method to execute ...
4
votes
3answers
4k views

Methods for analyzing Red Hat sosreport output?

For some time (since EL 4.6), Red Hat has embedded a system report and troubleshooting tool into the operating system. The tool, sosreport, collects system information and settings and bundles it into ...
-2
votes
5answers
2k views

Unable to ping Redhat 5.6 instance on vmware esx 5.1

I am running vmware esx 5.1 and I've created an instance of red hat 5.6 Desktop with a static ip address. When I restart the red hat guest I am able to ping it from another system but then as soon as ...