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Red Hat cluster: Failure of one of two services sharing the same virtual IP tears down IP

I'm creating a 2+1 failover cluster under Red Hat 5.5 with 4 services of which 2 have to run on the same node, sharing the same virtual IP address. One of the services on each node (called disk1 and ...
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1answer
1k views

mrepo and grouplist/groupinstall?, mrepo not working as expected with group

All, I'm trying to set up mrepo so we can have internal repositories. After quite the slog, things seem to be working as expected EXCEPT for groups. From man createrepo: EXAMPLES Here is an ...
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186 views

PHP potential issues with compiling 5.3.8 extensions against RHEL 6 / CentOS 6 PHP 5.3.3 package

I'm working on getting a Red Hat 6 LAMP server going and while the PHP that comes with it has many extensions we use, it doesn't have all of them. To solve this, I was thinking about either ...
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2answers
541 views

Is it possible to kickstart Redhat 5.5 x64 rescue?

I'm trying to kickstart a system over the network into rescue using ILO/DRAC. Through the DRAC, I can virtually mount Redhat's boot.img ISO. Is there an easy way to do this? I created a kickstart ...
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1answer
163 views

Installing PGAdmin 3

How can I install pgAdmin3 on RHEL 4? I've install it but I can't access it. After ./configure, I don't know what I should do. I want access to the postgresql with a GUI, because from i don't ...
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1answer
3k views

How do I install the pdo_mysql driver on Red Hat Enterprise Linux 6.1?

I have a RHEL box running PHP 5.3.3, which was installed using the binary packages provided by yum. I have installed the php-pdo package: # yum info php-pdo Loaded plugins: product-id, rhnplugin, ...
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1answer
300 views

Setting up a kickstart boot-dvd

I'm not sure if this is the right stackexchange site to ask this on. But I'm trying to set up a kickstart boot dvd for RHEL5.5. I also want to add some RPM's on it to install after with the %post ...
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329 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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1answer
248 views

Configuring LDAP configuration on RHEL-based OS with configurable DN container

I am trying to configure LDAP configuration the same way we configure it for our web applications: The server binds using the administrator account provided The server searches for uid=$login where ...
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2answers
465 views

Reasoning behind RHEL's use of LVM even on a single disk install

When doing a default install of RHEL5 and higher (at least - don't recall if it has done it longer), Anaconda will setup your drives into a logical volume group - even if there is only one drive. ...
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2answers
225 views

Any repercussions from not using default primary groups for Linux users?

We were thinking of not using the default primary group for our RHEL users. What I mean by default: User: melbin Primary group: melbin We will instead do something like: User: melbin Primary ...
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1answer
489 views

Poor NFS performance when sequentially reading large files

I have an NFS3 server with multiple clients. Each client is sequentially reading a different large file, and performance is very poor. Here is what I am observing in iostat on the server for the disk ...
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1answer
2k views

ptp time synchronization on centos6/rhel

I need to setup time synchronization using PTP (precision time protocol). I'll get server address. I found ptpd server (version 2.1). I created startup files in /etc/init.d. But wondering what options ...
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1answer
249 views

Strange files in /tmp/

I have never seen this files in RedHat before. /tmp/orbit-root /tmp/ssh-KEskO14981/agent.14981 /tmp/keyring-OuVrZn/sock What could it be?
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2answers
309 views

Tuning MySQL and Linux to reduce maximum response time specifically

We have a MySQL-based application that is very response time sensitive. A MySQL stored procedure needs to respond on average in less than 10 milliseconds and the maximum acceptable response time is 50 ...
4
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1answer
465 views

Disable colour output from /etc/init.d scripts?

On RedHat/CentOS systems, all of the service management scripts in /etc/init.d (and also run by the "service" command) produce color output. (i.e. the "[ OK ]" and "[FAILED]" strings.) How do I ...
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3answers
5k views

Putting a Red Hat Enterprise Linux installation image on a bootable USB mass storage

I need to install Red Hat Enterprise Linux Server 5 on a non-networked server, and I'm out of CD/DVDs. However, I do have a USB mass storage, but I can not figure out how to use it instead of a blank ...
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1answer
109 views

How to find active FTP users in the last 60 days?

Hi I'm not really a sysadmin, but I inherited a webserver running Red Hat 3. I'm going to replace the server with a newer OS, but I want to find out which users are still using it. My users don't ...
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0answers
44 views

Can I delete my configuration files after submitting a job?

If I submit a set of jobs using PBS in this way: for f in configfiles do qsub [options] ./script.sh $f done Can I remove the config files as soon as the job has been submitted, e.g.: for f in ...
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3answers
215 views

Disable, not unisntall, perl on Red Hat Enterprise 5.X?

So we found that some trojan has been the cause of our two web servers crashing once a week as we found that perl was executing dozens of malicious "gif" files spiking the memory and eventually ...
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1answer
121 views

How to determine the date a package was installed or updated?

Is there a way to determine the date a package was installed or updated? What's the proper syntax for both rpm and dpkg?
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2answers
122 views

Does the model name agree with the architecture of this server via /proc/cpuinfo?

Ignoring the model name, it appears this cloud server has 4 single core processors without hyperthreading. However the model name indicates that it's quad core. I'm not the system admin so I didn't ...
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1answer
172 views

Why are Chinese Traditional (Big 5) fonts served up by Apache garbled?

In migrating an Apache web site from RHEL 5 to CentOS 5 I noticed Chinese Traditional (Big 5) fonts look fine on the old site, but are garbled on the new site. In Firefox, I can get the fonts to ...
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3answers
189 views

What is the red hat service, “pand?”

This is for RHEL 5.6. I am trying to search through the documentation from Red Hat's site and nothing is coming up about what this service is or what it does. Does anyone know what "pand" is? The ...
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1answer
3k views

What's the difference between /etc/cron.d and /var/spool/cron?

The crontabs on RHEL seem to be duplicated in two places, /etc/cron.d, and /var/spool/cron. I've checked, and neither of these are simlinks to the other, and neither are any of the crons contained in ...
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2answers
2k views

Redirecting Syslog events from RHEL 6 to RHEL 5: is it possible to provide with the same event format?

For some reasons, we redirect syslog events from RHEL 6 (with rsyslog) to RHEL 5 (with syslogd). On RHEL 6 in rsyslog.conf: *.* @10.30.46.211 On RHEL 5 in /etc/sysconfig/syslog: ...
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1answer
169 views

Ricci timeout issue

I'm just playing around with Conga and it looks very neat... if only it worked well enough! It was working great when I was setting up the cluster. I could click around all over the Luci interface ...
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1answer
754 views

rhel6 repsitories gives broken dependencies

i tried several repositories for rhel 6 like epel,freshrpms,etc and all the repositories give broken dependency while installing pakages(eg:vlc,exaile).From where i get a repository without broken ...
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1answer
340 views

How to configure cron to run jobs using specific timezone times

We have a system configured in local UK time - so its currently in BST and will be switching to GMT this coming weekend. There are some reports scheduled with cron that are for users in Hong Kong. ...
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2answers
589 views

After applying patches and rebooting, RHEL 5.3 hangs on udev

I suspect that one of the packages in the last system updated is causing problems with the system rebooting. When I reboot, the server hangs on udev. Here are a list of the updates that preceeded ...
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3answers
418 views

How to install or upgrade to PostgreSQL 8.1 in RHEL 4?

I'm using RHEL 4 with the default database installed in there (PostgreSQL 7.4), but I want to have PostgreSQL 8.1 installed. What is best, upgrade it or install a new one?
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1answer
304 views

Linux kernel module file size

I'm trying to update the kernel on a CentOS 6 machine with a vanilla 3.1.0-rc10 kernel. It seems to work, except the modules that get created are significantly larger in size than those that come ...
0
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1answer
480 views

Install Lamp & Perl on Redhat 5.5

I need to install LAMP (including Perl) on a Redhat 5.5 machine. (Note: I am fairly new to Linux, but did do a similar project with ubuntu.) A good tutorial might suffice. Clients need to access a ...
4
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3answers
1k views

Kickstart: Serve dynamic kickstart images via a CGI or PHP script?

I'd like to Kickstart a couple dozen RHEL6/SL6 servers. However, some of these servers are different and I don't want to create a new ks.cfg file for each class of server. Is there any way I can ...
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2answers
2k views

Mysql Service won't start [ERROR] /usr/libexec/mysqld: unknown variable 'set-variable=local-infile=0'

I'm unable to get mysql to run on Redhat, basically parallels power panel attempted an update and sent me an email stating that it failed, stopped the service and can not start it. mysqld.log states ...
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1answer
310 views

How to find out the log file name that a currently running process is writing to?

We've setup a cron-based invocation of a Java program every minute. This Java program invocation is written in a shell script and is setup as cron job. Each invoked Java program is directed to its ...
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2answers
3k views

Kickstart virtual console: No 'Shell prompt' at Alt-F2

I am installing Scientific Linux 6.1 via kickstart, and I am trying to debug a problem. According to Tips and tricks for anaconda and kickstart, I should have several virtual consoles available: ...
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1answer
774 views

Where do I find USEFUL official documentation for LDAP authentication on Centos/RHEL 6?

Does it exist any official installation documentation about how to setup an LDAP server that I can connect my clients to with authconfig. I'm will be Centos 6 and RHEL 6.1. What I can find is this. ...
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1answer
712 views

RHEL package containing JCE (Java) Unlimited Strength Jurisdiction Policy Files to support higher level encryption?

Are there packages for RHEL and distros based on it (CentOS, Scientific Linux, etc.) that contain the Java Cryptography Extension (JCE) Unlimited Strength Jurisdiction Policy Files so that higher ...
2
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3answers
890 views

Install Fedora Source package on RHEL / CentOS

I'm attempting to upgrade curl on RHEL / CentOS machines. I've found what seems to be the appropriate source packages in a number of repos. (ie, ...
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3answers
9k views

How do I get PHP 5.3 working on Red Hat Enterprise Linux, with PDO enabled? PHP53 was installed with yum

This problem is complicated, and I'm not an expert at all, so bear with me. My server admin team set me up with a standard RHEL box. It had PHP preinstalled, as well as apache. I am now trying to ...
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2answers
332 views

What format are the files in /usr/share/doc/ in?

I found a nice wealth of information on some commands that I use in /usr/share/doc. Some are in a weird format though with tags such as: \verbatim and \endverbatim \section and \endsection Any ...
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1answer
81 views

Redirecting a non-existent file in cgi-bin

We are using RHLE 5.6. I am fairly new with linux and apache. We currently have a website using an archaic exe file in the cgi-bin directory for a shopping cart (on Windows). We are migrating this ...
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1answer
135 views

Install Mono in RedHat

I installed successfully Mono in my ubuntu 11, and now I have to do it in Redhat. The problem is I don't have access to this machine (and haven't done it before). And the one who is going to do it ...
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2answers
217 views

Can read/write jobs be put in a queue?

I share a server with HAL. The server has 32 GB of memory. I rarely use more than 1GB of memory, and when I do, it is for a few minutes at a time, and I don't mind sending such jobs to the back of ...
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4answers
704 views

Red Hat, Open-Source Server?

I am looking into a networking project and need to install a linux-based server. I was told an option could be RedHat. I have been looking around the RedHat site for a while and am having trouble ...
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1answer
133 views

EC2 CentOS 5.0 does not upgrade

Recently I grabbed some preconfigured CentOS 5.0 instance from EC2 and installed our stuff on it from rightscale. The instance was a little old, but I assumed that it would be up to date after a ...
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808 views

rsync permission denied

I've inherited two red hat 5 systems which are to be synchronized via an rsync script which runs as a cronjob. This is not happening and I've been tasked with finding out why. The cronjob(currently ...
2
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2answers
175 views

Redhat Apache 2.2.3 Not Loading

I have Apache 2.2.3 installed on this server, and when I try loading its webpage, it does not load. I just get a loading sign that it is trying to connect but no connection has been made. I check the ...
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2answers
2k views

How can I install packages from the RHEL6's Optional Channel via Kickstart?

I typically install puppet via kickstart. Apparently, puppet now requires a package (libselinux-ruby) that is included in the Red Hat's Optional Channel. I was under the impression I could only use ...