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

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1answer
737 views

Getting HAPROXY to redirect http to https in users browser session

We are currently using a Internet cloud provider to host our SaaS platform. The platform consists of a Firewall -> Cloud Provider SLB -> -> Apache Web Server -> HAPROXY SLB -> Liferay Platform We ...
0
votes
1answer
721 views

NFS mount drops to read-only during intermittent network failure

I have an NFS mount (say to /opt/foo) on a RHEL5 install that occasionally drops to a read-only filesystem after a short network failure...I have control over this box but not over the network, so I ...
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2answers
2k views

MultiPath configuration on RHEL5 and Clariion CX-300

I have problem with discovering my FC-connected CX-300 storage. Frankly speaking I'm complete novice in FibreChannel, so step by step explanation would be appreciated. My configuration consist of two ...
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4answers
440 views

cron clock problem

I have noticed on my RHEL 5.5 that cron daily starts an hour later (at 1AM instead of midnight). System and hardware clock are the same. How can i set it so it will start at midnight? date [root@a ...
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3answers
1k views

setting up Ubuntu 10.10 as paravirtualized guest in Xen on RHEL5 host - what kernel?

I've discovered the tool ubuntu-vm-builder, which I've installed and then invoked on an Ubuntu workstation as: sudo vmbuilder xen ubuntu --suite maverick --flavour virtual --arch amd64 --mem=512 ...
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2answers
903 views

RHEL 5.3 Kickstart - How specify location of individual package in Workstation folder?

I keep getting "package does not exist" errors during the install. I made a kickstart ISO to create an unattended install of a RHEL 5.3 build machine for C++ software releases. It pulls the ...
2
votes
1answer
917 views

why does my lvm2 volume group only work with multipath device mapper and not powerpath

my server is Oracle Enterprise Linux 5.4 (RHEL5) on an hp blade (x64) with qlogic HBAs connected to an EMC clariion SAN. we are migrating from multipath to powerpath because emc and the company ...
2
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2answers
942 views

How can I configure permanent arp entries on Red Hat Enterprise Linux?

I'm configuring a Red Hat Linux server which will be sending UDP packets out but never receiving ARP responses. So a static ARP entry is required. The obvious way to do this is. arp -s 10.0.0.1 ...
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2answers
34 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 ...
1
vote
3answers
943 views

Time is off in Zabbix graphs

I have two instances of zabbix running on two different RHEL servers. Data presented in web user interface on one are off by 2 hours and on the other by 3 hours (ahead). For example instead of 15:00 ...
0
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1answer
14 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
25 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 ...
13
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2answers
27k views

Upgrade CentOS 5.x to CentOS 6.x - tips and techniques

Now that CentOS 6.0 is making its way to the various mirror sites, I wanted to solicit opinions on the upgrade process. In working with the commercial RedHat 5.6 and 6.x distributions for the past few ...
0
votes
1answer
100 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
3answers
540 views

Unable to start SNMP in RHEL5 64-bit

I have installed net-snmp, net-snmp-utils and net-snmp-devel in my 64-bit Centos5 using yum. The following are the packages I've installed: net-snmp-devel-5.3.2.2-14.el5_7.1 ...
0
votes
1answer
55 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 ...
1
vote
2answers
159 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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0answers
32 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. ...
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votes
5answers
761 views

MySQL Server Not Starting on Boot

I have installed MySQL on a RHEL 5 server and I want to set it up so that the server starts on boot. I've ran the chkconfig --list mysqld command and it's currently running on levels 3, 4 and 5. ...
2
votes
2answers
1k views

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: ...
2
votes
4answers
4k views

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 ...
2
votes
1answer
250 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 ...
0
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1answer
757 views

OpenLDAP fails to stop ,but starts Ok but then status shows as slapd stopped

We are running openldap 2.3.43 on RHel 5.3.,Our LDAP server has been behaving erratically lately 1.It fails to stop when you issue command service ldap restart but it "seems" to starts OK ...
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votes
4answers
4k views

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 ...
5
votes
3answers
8k views

The difference between /etc/pam.d/login and /etc/pam.d/system-auth?

I want to configure securetty to limit root directly access. Now I am clear if I add: auth required pam_securetty.so into /etc/pam.d/system-auth, and keep only "console" in ...
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votes
1answer
90 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 ...
1
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1answer
288 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 ...
2
votes
4answers
3k views

Apache throwing 403 on serving images from an NFS share

I'm repeatedly getting 403 Permission Denied errors on trying to serve images from apache running on Machine A. The images are in a directory which is an NFS share from Machine B. The entry on ...
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0answers
11 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
92 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
26 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
113 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
84 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
93 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
327 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
64 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
134 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 ...
0
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0answers
36 views

Keepalived process not listening to advertisement

I have a keeplived setup working on RHEL 5.5 working file. Below is strace of keepalived master, which is reading advertisements off the network and sends its advertisement to the network. ...
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0answers
92 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
118 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. ...
1
vote
3answers
838 views

Backing up audit data with growisofs

We've had a problem occur when writing to DVD+Rs and DVD-Rs using growisofs on Redhat Enterprise Linux 5.0. What we’re trying to do is backup audit data that we've stored, which is basically one .zip ...
0
votes
1answer
37 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
75 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 ...
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3answers
6k views

How to clear all cache files in linux server ( RHEL 5) [duplicate]

How can i clear all cache and buffered files in linux server (RHEL 5) ?
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3answers
7k views

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, ...
1
vote
1answer
57 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
45 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 ...
3
votes
4answers
8k views

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 ...
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votes
4answers
155 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 ...
2
votes
3answers
6k views

How to create RPM for 32-bit arch from a 64-bit arch server?

Our production server is running CentOS5 64-bit arch. Because there are no RPM available currently for SQLite latest version (v3.7.3), I created RPM using rpmbuild the very first time by following ...