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

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Can RHEL5/CentOS5 be run on Intel Haswell-EP (E5-26XX V3) CPUs?

We need to upgrade the hardware on some of our CentOS 5.11 servers. From Redhat's Intel CPUs and Supported RHEL Versions page, I see that the E5-26XX V2 CPUs are supported. However, the E5-26XX V3 ...
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1answer
47 views

Diagnose what is causing Linux system load

I understand that system load is kernel usage such as IO or network. If you don't believe you have high load of either of those two items, what would be some recommended steps to track down what is ...
2
votes
1answer
35 views

How do I specify what PVs are used for mirroring when adding a mirror in LVM to an existing LV?

I've got an existing VG containing a single LV on a RHEL server that consists of a handful of SAN disks. In an effort to migrate the server to a newer SAN, I'd like to mirror the existing storage to ...
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2answers
34 views

Accessing a Samba server from a new Windows system

I have had a samba server running on a linux (RHEL5) box for a while and I have mounted a shared directory on a Windows PC. I just got a new Windows 7 laptop and trying to access the same server, but ...
1
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1answer
119 views

Drive faults not logged in HP IML on RHEL-based ProLiant server

Today I have had disks on two separate HP ProLiant servers go into Predictive Failure. One of these servers runs Windows Server 2008 R2 and one runs Oracle Enterprise Linux 5 (a RHEL5-based distro). ...
0
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1answer
188 views

How do I update bash on RHEL5 servers with expired contracts? [duplicate]

I have two servers with expired contracts that are both vulnerable to shellshock. I am in the process of migrating both to new servers with RHEL6 or greater depending when I get this done. That ...
0
votes
1answer
57 views

Can we force dhclient to not renew ip rules?

I've overridden the ip routing rules on my RHEL machine by adding custom logic in a new script ifup-local that is run immediately after a new interface is attached. ...
2
votes
1answer
42 views

facing issue while installing oracle Database 11g on rhel5 And SOA

While installing required rpms for both SOA and Oracle the below rpms are conflicting with each other glibc-devel-2.5-49.x86_64.rpm and glibc-devel-2.5-24.i386.rpm How can I fix it? one package gets ...
0
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1answer
48 views

How do I find out what RPMs make up a “yum group install”?

I am trying to install the Gnome Desktop Environment on a RHEL 5 system. I am NOT connected to the internet and do NOT have any local repo or the install disks. Under normal circumstances, where a ...
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0answers
44 views

Single TCP-CLOSE_WAIT connection brings down application till restart

Recently found a behaviour where my application had a connection in TCP Close_wait state till the app was restarted (after about 5 hours). But during this period the SUnreclaim space was also ...
0
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1answer
40 views

vncserver auto start display for root

In my rhel5 system there are cronjob scripts that are running as root which requires export DISPLAY. I have added below lines in /etc/sysconfig/vncservers to start vncserver on certain displays for ...
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1answer
166 views

Can not register with RHEL

# yum -v repolist Loading "rhnplugin" plugin Loading "security" plugin Config time: 0.105 There was an error parsing the RHN proxy settings. RHN support will be disabled. Yum Version: 3.2.22 repolist: ...
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1answer
468 views

EXT3-fs error (device dm-10)

I got this log error below: Aug 1 20:44:01 TDBP24LV kernel: EXT3-fs error (device dm-10): ext3_free_blocks_sb: bit already cleared for block 8159746 Aug 1 20:44:01 TDBP24LV kernel: EXT3-fs error ...
1
vote
0answers
202 views

Missing NICs in a HP ProLiant DL380 G6 running RHEL 5.5 64-bit

I have 2 twin boxes HP ProLiant DL3680 G6 running RHEL 5.5 64-bit. In one of them, two network interfaces (eth2 and eth7) are missing, i.e., they are not available: # ifconfig eth2 eth2: error ...
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2answers
128 views

All terminal windows suddenly disappear in Linux [closed]

Sorry in advance for the wall of text. I'm having a problem which is leaving me with very few clues as to what might be going on. Also, I apologize if ServerFault isn't the ideal place for this ...
3
votes
2answers
68 views

Changing GRUB configuration to “single” not working in RHEL

I am using RHEL 5.10. I have mistakenly deleted /etc/passwd file in my server (though I have the backup). I'm just trying to get into single user mode by typing single at the end of the kernel line ...
0
votes
1answer
50 views

“sock_sendmsg-error 22” error in RHEL

I am using RHEL 5.10 servers ( which are in cluster using some shared services). When I restart them using "init 6" or "reboot". the servers hang while shutting down, continuously showing the below ...
0
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1answer
46 views

Is there a max length to java_opts arguments on a tomcat process

We have a tomcat startup script with a java_opts that contains a fairly lengthy (around 14 hosts) entry for -Dhttp.nonProxyHosts, I've noticed that although tomcat appears to start properly, entries ...
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3answers
699 views

Chef Server 11.4 SSL certificate failure when bootstrapping a node

I'm trying to bootstrap a RHEL 5 server with Chef 11 Chef-Client using my Chef 11 Work station through a Chef Server 11.4. However, I am receiving the error below. ...
2
votes
2answers
935 views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
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2answers
126 views

RHEL5: htop shows empty command-column

When issue the command htop on my RHEL5 box I get a normal view, however when I scroll down I have several "blank" command ranges as can be seen here: Can someone explain me how this ...
0
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1answer
74 views

RHEL 5 createrepo hangs

I've got a RHEL 5 server that I want to create a mirror repo on. I've specified a new file system mounted at /repos. I have run reposync -p /repos --repoid=rhel-x86_64-server-5 -l which completed OK. ...
2
votes
1answer
261 views

What could cause *every* command in RHEL to be executed by root?

Recently I was asked to look at a system for a "friend" that left me completely stumped. Their original problem stated to me: They have a RHEL 5.10, gnome desktop fairly typical install They are ...
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votes
1answer
182 views

Using a single APC UPS via network switch to gracefully shutdown many servers

Here is my situation. I have 10 Dell servers in my rack with 8 1500VA battery backups. I would like to take 1 of those battery backups and connect it to my network switch and use a software solution ...
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0answers
13 views

How to extract single day Munin graphs

We have one monitoring server and on that I install Munin. Now i need to extract Feb 1 Graphs. Is it possible to extract the graph and will it effect the latest graphs
0
votes
1answer
389 views

I have servers that keep becoming inactive in RHEL Satellite 5.3

I have lots of RHEL 5 servers subscribed to a Satellite 5.3 server (I know it's all old, not my choice). After I register servers, many of them seem to fall out and become inactive and require ...
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0answers
52 views

Which files are updated when I use gdmsetup to configure remote XDMCP?

I am configuring my RHEL 5.6 box to use XDMCP and following some pretty straightforward instructions to do this using gdmsetup. XDMCP seems to be working just fine but my problem is I need to be able ...
2
votes
0answers
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 ...
4
votes
1answer
127 views

How is “kernel.*” syslog spoofing prevented?

I'm finding instances of syslog-ng writing out garbage followed by a blank kernel.emerg line in one of our production environments. Example of one: Dec 21 00:14:56 someserver [syslog-ng.err] Error ...
1
vote
1answer
198 views

NFS mount still connected even after box is disconnected from network

I have a mount between a RHEL 5.6 and a Solaris 6 box acting as the NFS server. My mount options are simply rw,intr. When I disconnect the RHEL linux box from the network I am still able to write ...
3
votes
1answer
901 views

How to monitor NFS load from userland?

Apologies if I'm not using the proper jargon (although I'm a longtime linux user, I'm not an admin) or if this is a FAQ (though searching SE got lots of hits, I didn't see anything quite like this ...
2
votes
1answer
104 views

How to programmatically umount filesystems mounted by autofs?

I have some RHEL systems where I need to disable autofs. What I typically do is run a script on each of these hosts that executes something like this: # /etc/init.d/autofs stop ... # /sbin/chkconfig ...
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0answers
204 views

Clean RHEL5 build from kickstart adds Public IP to /etc/hosts

Our infrastructure has a Kickstart server which can serve up RHEL6 builds with some post-installation scripting that handles customization and configuration. I'm currently in the process of updating ...
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0answers
116 views

Built in chroot jail RHEL 5 returns No such file or directory

I need to create a chroot jail on my RHEL5 production server to allow a specific user to work with the less right possible, but with GIT. Here is my system configuration : RHEL 5 : Release 5.10 ...
0
votes
1answer
212 views

Kerberos authentication of Windows clients and Redhat 5.5 with Samba PDC?

I already realize that configure Redhat 5.5 as PDC (Primary Domain Controller), and the clients (Windows XP and Windows 2003) can join the realm. The realm name of Linux server is EXAMPLE.COM. ...
0
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1answer
69 views

cron to anacron migration process

I have a script that I want to run nightly on my lab's RHEL 5 and 6 workstations, so I'm deploying the script to each system's /etc/cron.daily/ directory and making it executable there. But some ...
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0answers
256 views

Username/password for Oracle Linux 5.8 VirtualMachine

I have the Oracle Linux 5 ova (converted to VirtualBox). The documentation I have seen mentions using either root/oracle or oracle/oracle to login. However that is not working. Any ...
1
vote
1answer
87 views

Wireshark not found after installing RHEL 5.5 [closed]

After installing Wireshark in RHEL 5.5 (32bit) with following command: yum install wireshark Wireshark not found: [root@localhost ~]# wireshark bash: wireshark: command not found What ...
2
votes
1answer
55 views

Multipath path groups

For native RHEL multipathing, what is the difference between having 2 paths in a single path group as opposed to 2 path groups (with same priority) containing 1 path each? Is one preferable to the ...
0
votes
4answers
251 views

Unable to change default route-Rhel 5.9

am trying to change default to route to eth2 my present rout -n o/p-- Destination Gateway Genmask Flags Metric Ref Use Iface 10.235.4.0 * 255.255.255.0 U ...
1
vote
1answer
502 views

Installing and running apache2.2 and apache2.4 concurrently on same server

We have a need to run Apache 2.2 and Apache 2.4 web servers on the same VM. The need is created by: A requirement to host an Oracle WebGate module, which doesn't support Apache 2.4 (we use the Red ...
1
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0answers
141 views

Default owner and setting sticky bit by default

I have a RHEL 5.5 server and want to set up some specific security for a directory: Please note that I am not asking how to do this one time... that has already been done. I want all new ...
1
vote
1answer
71 views

How to increase deletion speed of several folder

I have a script containing about 420k lines of "rm -rf" command like which where generated using a "find" statement. Each pdf's folder is containing between 1 and 30 files (no subfolder). rm -rf ...
2
votes
1answer
145 views

Linux device names: What other non-standard storage device names are there apart from /dev/cciss

This is a question about Linux storage device names on RHEL5 and RHEL6 Most storage devices are accessible using device names /dev/sda, /dev/sdb, etc. By storage device I mean a device that could be ...
3
votes
2answers
57 views

Finding home directory of all users

I'm a software dev suddenly finding myself having to play SysAdmin. Recently, I was given a box previously administered by somebody else, and this SysAdmin kind of just did what he wanted. My ...
2
votes
2answers
582 views

svnserve seems to write files as root. How can I give access to the same repository via svnserve and apache?

The aim is to set up subversion with both svnserve and apache/webdav access. When users commit via http/apache, files are written to the filesystem and belong to apache user. When users commit via ...
1
vote
1answer
123 views

What hardware profile tool exists for RHEL 5.x similar to `lscfg` or `system_profiler`?

I am looking for an equivalent tool or command to dump connected hardware (and optionally software) to a text or XML file for documenting system configuration on RHEL 5.8 specifically. I am used to ...
0
votes
1answer
106 views

Cannot perform smartctl self-test after migrating servers from SLES to Scientific Linux

I maintain several Linux servers, that we are in the process of migrating from SUSE Linux Enterprise Server (version 10.4) to Scientific Linux (version 5.9). The six SAS hard drives on each machine ...
3
votes
3answers
233 views

finding kernel space programs [duplicate]

how can we determine %sy process that is Consuming CPU. In the following case there is no netfilter and traffic is under 1 mbps.but still system process are taking too much cpu and cpu usage for ...
7
votes
1answer
481 views

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 ...