Red Hat Enterprise Linux version 6 is a Linux distribution sold by Red Hat, Inc. for the enterprise market. It is used for both servers and desktops. Although the binaries are not freely available, the sources are, and so there are numerous projects which provide compatible rebuilds of RHEL, such as ...

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282 views

Why “scope link” ipv6 address can be pinged via interfaces which they are not active on

[root@2_01 ~]# /sbin/ip -6 addr show pubeth0 inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root@v2_01 ~]# /sbin/ip -6 addr show ...
2
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0answers
942 views

kickstart unattended install of OEL 6.5 always asks to check media

My configuration is as follows: Hyper-V 2012 R2 Host Oracle Enterprise Linux 6.5 VM Guest being installed from an iso attached to the VM. I created a kickstart file that I have on a NFS share and ...
1
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0answers
26 views

ISCSI intiator displaying the ISCSI target even after its removal on ISCSI target server

I am running a ISCSI target server on RHEL 6.7 and sharing the storage for the ISCSI initiator server which is running on RHEL 6.5. I configured the below code in the /etc/tgt/targets.conf file of ...
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0answers
49 views

How to manage virtual ip addresses in RHEL 7

We currently have an alias assigned to our NIC for the purposes of managing a HA Proxy pair. # cat /etc/sysconfig/network-scripts/ifcfg-eth0:proxy DEVICE=eth0:proxy BOOTPROTO=none ONPARENT=no ...
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175 views

net-snmp change default port 161 to something else

Ports 161/162 are in use by a java software, so the requirement is to use 163 for net-snmp [root@testSRV snmp]# netstat -apn | grep 162 udp 0 0 ::ffff:10.145.1.10:162 :::* ...
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0answers
97 views

ls hangs on NAS mount point

Frequently we are running into this problem. our NAS mount points works perfectly and all of sudden it hangs. when we go and do ls hangs the terminal. strace ls /srv/git hangs here ...
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0answers
126 views

NUMA - all CPU's bound to node 0

I am running Dell PE 815 servers with two 16-core Opteron's, with four memory modules on each, OS - RHEL6, when I've started optimizing it for NUMA operation, found, that all cores are shown as bound ...
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249 views

Java Spring application working on one system, dying on almost identical one

Introduction I'm running a third party Java Spring application on RHEL, that refuses to run on machines cloned from a certain RHEL 6.5 template. It just dies on startup with a bogus exception (see ...
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0answers
524 views

rhel 6.4 pip with proxy error : name or service not known

the pip command pip search statsd --proxy=http://anadi.misra:XXXXXXXXX@192.168.200.77:8080 Now my password contains an @ too so I give the encoded form in password; i.e. some@pass is supplied as ...
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0answers
91 views

Unable to access disks in rhel 6.5

I work for a biology lab. We recently bought a new microscope that produces an enormous amount of data - it is simply not feasible to store it on a desktop. So, we bought a storage server - the idea ...
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0answers
352 views

VSFTPD won't allow upload to mounted (Shared) Directory. RHEL6

I'm trying to configure VSFTPD, for each user to have a PublicFTP directory, since all users are chrooted, but they still need a central FTP dir. I've created this directory in each of the local ...
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0answers
1k views

Install libxml2.8 on RHEL 6

I want to install the software TinyOWS on a RHEL 6 server. I followed the instructions: $ wget http://download.osgeo.org/mapserver/tinyows-1.1.0.tar.bz2 $ tar xvjf tinyows-1.1.0.tar.bz2 $ cd ...
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0answers
114 views

How can I get auditd on RHEL6 to dispatch forwarded messages?

Using RHEL6, I currently have audispd setup to send logs to a remote server. The remote server successfully receives the messages, and writes them to the remote audit log. My problem is, I can't seem ...
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0answers
2k views

Mount updates /proc/mount but not /etc/mtab, making partition not show up in df, mount listing

I'm on RHEL 6. I created some partitions using parted, formatted them using mke2fs, and mounted them using mount. I also added them to /etc/fstab. However, they do not show up in the mount or df ...
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0answers
153 views

Xvfb on RHEL6 - can't find the package

This looks like an already discussed subject, but, I can't find any solution for it, so, I gonna try it again. I look some questions and try all the given solutions, with no success. I tried to ...
1
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0answers
616 views

Apache died; Suspect is ulimit but cannot reproduce

Apache died last night. Error log shows this [alert] (11)Resource temporarily unavailable: setuid: unable to change to uid: 48 Browsing around the Internet, everyone seems to say this is is an issue ...
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0answers
470 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] ...
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0answers
886 views

init 5 kdump fail

Whenever I do a init 5 runlevel. The System goes like this.. Starting portreserve: [ ok ] Starting irqbalance: [ ok ] Starting kdump: [FAILED] ...
0
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0answers
7 views

localuser.sh hanging in RHEL

As per my need i want to do the following on startup of RHEL. a) add route to path b) start an application name myapp stored in /root/Desktop/app for this i made a shell script named startMyApp in ...
0
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0answers
13 views

What is the Red Hat equivalent of the windows “Register this connections Address in DNS”

Hi I have a collection of RHEL6 server each has 3 static IPS and interfaces Currently when we nslookup the hostname from another server it returns all 3 interfaces from the DNS server (windows) We ...
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0answers
11 views

Unable to see the iscsi luns given from a second target server to the same initiator on RHEL

I configured a target server on RHEL 6.7 and provided the LUNs for a machine running on RHEL 5.4. After few days, the storage on the target server is completed and I configured another target server ...
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0answers
9 views

Use rsyslog to forward but not write to local log

I'm using rsyslog on RHEL6 (ie rsyslog 5.8.10) and forwarding to a central syslog server is already set up. Now I'm wanting to track an extra file that will be forwarded to the syslog server. I used: ...
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0answers
18 views

Script from RPM %post does not interact with user

I'm building an RPM which needs to run a bash script as root. Below, in the spec's %post stanza the script %{installscript} does not interact with the user (as it does when run from the shell), but ...
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0answers
19 views

RSYSLOG v3 vs v5 config for property base filtering

I'm trying to set up a property base filtering for audispd log, this is what I have currently SLES11 RSYSLOG v5 RHEL6 RSYSLOG v5 RHEL5 RSYSLOG v3 rsyslogd: [origin software="rsyslogd" ...
0
votes
0answers
9 views

Disable showing drives that are mulitpathed

We have servers(RHEL 6.7) that have multipath SAN attached disks assigned to them. The multipathing is setup and all works great in that aspect. The issue comes in when you view the Computer within ...
0
votes
0answers
26 views

RHEL 6 DVD/CD mounting for all user

How can I mount a DVD for all user in a group in my system? When I mount a cd/dvd using the command sudo mount -t iso9660 -o ro,uid=[uid],gid=[gid] /dev/sr0 /media/DVD and try ls -al, it gives ...
0
votes
0answers
68 views

RHEL6 No package yum-plugin-fastestmirror available

ELRepo : HomePage - Get started says following: To make use of our mirror system, please also install yum-plugin-fastestmirror. So, I'm trying to install fastestmirror plugin for yum and ...
0
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0answers
45 views

tc add delay by specific port

Am trying to simulate WAN latency between an application server and an Oracle database server. The database server itself runs several instances, one of which is my applications 'local' instance, ...
0
votes
0answers
56 views

Error when connecting to a server with

I have a web server (RHEL 6.5) with not enough disk space for one of our user database, so his website (php/html/etc.) is on our server but his database (mysql) on his. He created the necessary ...
0
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0answers
33 views

File system size different from LV size

I try to build a highly available Red Hat 6.6 cluster. Following is the procedure I followed to create each of 6 shared gfs2 file systems: I first created physical volumes using multipath friendly ...
0
votes
0answers
20 views

can't permanently delete automatic MAC-based inet6 address

Although I never explicitly configured ipv6 on my rhel servers and only have static ipv4 configuration in /etc/sysconfig/network-scripts/ifcfg-eth0, an automatic ipv6 address based on MAC address ...
0
votes
0answers
97 views

RHEL 6.6 pip after python upgrade “ImportError: /usr/local/lib/python2.7/lib-dynload/array.so: undefined symbol: PyUnicodeUCS2_FromUnicode”

I originally have python 2.6 and installed 2.7 and want to use pip to install some libraries like futures (with an s :)). Unfortunately, it seems like pip's libraries has been messed up. When type pip ...
0
votes
0answers
66 views

Multi Path VRRP with keepalived

I'm migrating from an old heartbeat setup to using keepalived at the moment and currently I can't find how to replicate the heartbeat capability of using multiple links as cluster interconnects in ...
0
votes
0answers
17 views

Cannot connect two different networks on rhel6 on 2 virtual NIC's

I have a RHEL6 machine on VMware with 2 Virtual NIC's. The output of the ip's and networks are as below: $ ip a|grep "inet" inet 192.168.17.128/24 brd 192.168.17.255 scope global eth0 inet ...
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votes
0answers
53 views

MongoDB 3.0 on RHEL 6.5 - Startup fails with WT storageengine

I have MongoDB 3.0 installed on RHEL 6.5. The initial setup was done using MMAPv1 storage engine and works fine. i'm currently trying to switch this installation to a WiredTiger storage engine and ...
0
votes
0answers
89 views

policy based routing on multiple interfaces and default route

I have a server with multiple interfaces connected to different networks. I have eth2 wih ip (10.1.1.1). I have the following routing set: # ip rule list 0: from all lookup local 32765: ...
0
votes
0answers
307 views

AWS Linux RHEL instance unable to format and load new storage partition

I have an AWS RHEL instance. Following are the storage devices on it: $lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT xvda 202:0 0 20G 0 disk xvda1 202:1 0 6G 0 part / I ...
0
votes
0answers
61 views

Apache doesnt start after mod_wsgi re compile

I recently had to rebuild python and mod_wsgi in order to get a django site working. The problem is now apache doesnt start. I'm running RHEL6, and Apache 2.2 This guide is what I followed ...
0
votes
0answers
157 views

What causes ntpq refid CRYP when authentication is successful?

I have five servers that I'm configuring for production use based on a configuration we've recently tested. The servers are RHEL6 with NTP version 4.2.4p8@1.1612-o. Right now, though, I'm trying to ...
0
votes
0answers
76 views

Local MySQL connection using eth0 rather than lo loopback

We've installed MySQL 5.6.22 on RHEL6.6 and noticed terrible performance compared to a previous install on RHEL6.5 and MySQL 5.6.20 The main thing that we've noticed is that all the traffic appears ...
0
votes
0answers
1k views

RHEL 6: packages from server-source repository are invisible/unavailable

There are some RHEL (6) official repositories with source-rpms. E.g. rhel-6-server-source-rpms: # subscription-manager repos | grep -A 4 rhel-6-server-source-rpms Repo ID: rhel-6-server-source-rpms ...
0
votes
0answers
503 views

RHEL6: bonding NICs with DHCP reservation problems

I am using a 4 NIC bond with Bonding Mode: transmit load balancing and a port channel is configured on the switch. I have a DHCP reservation for the IP address being used for the bond. I configured ...
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0answers
1k views

squid authentication error kerberos - windows active directory

I use squid on RHEL6 and I want that authentication is via AD windows 2008, I already joined the server to the windows domain and all users is already seen by wbinfo -u wbinfo -g but wbmin -t show ...
0
votes
0answers
35 views

What is the relationship between iproute2 and distro config files?

For various ip manipulation activities, what is the difference/relationship between iproute2 and modifying the distro's config files? For instance, some sources recommend ip address del for deleting ...
0
votes
0answers
241 views

NFS clients seeing stale state

I have a server exporting partition as: /data/foo *.example.com(rw,sync,all_squash,anonuid=502,anongid=502,subtree_check) ... and client mounting it as: myhost:/data/foo /home/myuser/foo ...
0
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0answers
437 views

RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation ...
0
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0answers
190 views

Pure-ftpd 0 bytes Upload

hopefully someone will be able to shed some light on this one. We currently have a Pure-ftpd service installed on a RHEL6.5 server accepting connection from a client who drops files ever X hours. ...
0
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0answers
183 views

Red Hat Network API connection

I'm creating a perl script that connects to the RHN, however I seem to be struggling. The code I have is this: #!/usr/bin/perl use Frontier::Client; my $HOST = 'xmlrpc.rhn.redhat.com'; my $client ...
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0answers
464 views

cifs mount not working using fstab on RHEL6

I had a line in my fstab file that until this morning allowed me to read and write to a windows share (dummy IP address is shown below) //111.111.1.111/ecc /mnt/nas2 cifs ...
0
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0answers
230 views

uploadprogress.so is installed, but does not appear in phpinfo

I'm on RHEL6 (Red Hat Enterprise Linux Server release 6.5 (Santiago)), but I've upgraded PHP to version 5.4.16. I've downloaded and installed the PECL uploadprogress library version 1.0.3.1 that is ...