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Questions tagged [rhel5]

Red Hat Enterprise Linux version 5 is a Linux distribution sold by Red Hat, Inc. for the enterprise market.

379 questions
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How can I move a process to a core or dedicate a process to a processor?

I have an Intel E5620 processor. I have used cat /proc/[pid]/stat to determine what processor the process was last run on (39th field). How can I ensure that a process is dedicated to a processor (I have 8 available) or better yet, how can I…
Engineer2021
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How to start / stop proftpd

I can't seem to find a way to stop / re-start proftpd. My server IP address is xx.yy.zz.ww and connecting from external devices via FTP gives me the prompt: Connected to xx.yy.zz.ww 220 ProFTPD 1.3.1 Server (ProFTPD) It then asks me for…
Stewie
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Override DHCP hostname on RHEL5/CentOS/Amazon Linux

I'm running Amazon Linux (based on RHEL5) on EC2. I have my own domain name pointing to the instance's elastic IP. Amazon auto-assigns the instance a generic (and not visible on the Internet) hostname via DHCP. This internal-only hostname breaks…
Havoc P
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LSI RAID controller errors on DB import - How to troubleshoot?

We're running an import of a database dump on an Oracle system - (RHEL 5.9, 2.6.18-348.6.1.el5). The import does not complete, eventually erroring-out with: ORA-15080: synchronous I/O operation to a disk failed WARNING: failed to write mirror side 1…
ewwhite
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Anyone know how to fix issues with omsa on red hat 5.1 that reports "No Controllers found"?

I've got a Red Hat 5.1 server 64-bit Dell 2950 with a PERC 5/i controller that until recently was working fine. On it I have an NRPE command check_openmange that started returning errors: /usr/local/nagios/libexec/check_openmanage Storage Error! No…
Gray Race
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How to handle large numbers of connections from an IP address?

Every couple of weeks we have an issue whereby a single IP address opens a huge number of of Apache processes at the same time. It seems to connect to similar pages each time, but our Apache processes goes from the normal ~20-25 busy slots to our…
Jon M
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CentOS 5 - realtime patch

Where can I download precompiled CentOS 5 kernel including realtime patch? Or I need to compile it myself (if yes, how to do that)?
Dima
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How to specify the log file for memcached on RHEL / CentOS

I'm running memcached 1.4.5 on RHEL5.5. I installed this using yum which has installed the standard memcached script in /etc/init.d and the configuration file in…
Olly
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Restarting the httpd service in RHEL returns "Stopping httpd: [FAILED]" - How do I fix this?

This is my first indication of an issue: $ sudo /sbin/service httpd restart Stopping httpd: [FAILED] Starting httpd: no listening sockets available, shutting down Unable to open logs …
ghbarratt
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How to fix the entropy pool issue with RHEL 5.x

RHEL 5.x has an entropy-generation problem (held-over from kernel 2.4). Following directions from here has produced little-to-no results: How to increase entropy pool on a 2.6 kernel RHEL/Fedora system without keyboard/mouse. A good source of…
warren
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MySQL connection spike out of nowhere

We're running a website spread across three severs. Two of them are load-balanced web servers, and the last is a dedicated mysql server. The mysql server is running RHEL5 64-bit using a 2.6.18-92.1.6.el5 #1 SMP kernel and MySQL 5.0.45. It's a…
AlexMax
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Chrooting a users login

I want to limit certain users on my system to a subset of commands and have absolutely no access to the rest of the system. I figure chrooting is the way to solve this but I only know how to chroot a ftp user. Can this be done for normal shell users…
Garry Harthill
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Does using LVM cause you to lose filesystem space twice? Lot's of missing space after lvextend

We have several Dl360 G6's in the field. They had 2x 146G disks in a raid 1. After LVM, this shows up as a 136G volume (7% loss to filesystem). This was carved into 100M /boot, and the remainder an LVM PV. The volgroup contained 2 logical volumes,…
Matthew
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yum update to specific kernel version

On rhel 5.3 I want to update to kernel version "2.6.18-128.8.1.el5" due to a security patch. When performing: yum check-update | grep kernel kernel.x86_64 2.6.18-164.2.1.el5 rhel-x86_64-server-5 kernel-devel.x86_64 …
CarlosH
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ntpdate works, but ntpd can't synchronize

This is in RHEL 5.5. First, ntpdate to the remote host works: $ ntpdate XXX.YYY.4.21 24 Oct 16:01:17 ntpdate[5276]: adjust time server XXX.YYY.4.21 offset 0.027291 sec Second, here are the server lines in my /etc/ntp.conf. All restrict lines have…
dafydd
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