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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78 views

RHEL 6.7 cache causing out of memory errors

I have a (large) system that has cache behavior that I don't understand. It seems that the cache ran the system out of memory. How is this possible? Doesn't the kernel clean up the cache when there'...
2
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0answers
411 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
1k 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
35 views

Openldap configuration on RHEL 6.6 client

We have a shell script which runs perl program to connect to LDAP server and make entries. This is the only script which uses ldap. This server is hosting all batch related files and run batch jobs ...
1
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0answers
22 views

Mount a Windows share on Linux boot without storing the password

Is there a way to do this? Most examples store the credentials in an external file to fstab e.g. - fstab: \\server\share /media/windowsmount cifs credentials=/root/secret.txt,_netdev,uid=root,gid=...
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0answers
42 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
143 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 TYPE=...
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0answers
267 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
143 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 unmap(...
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0answers
170 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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293 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
248 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. ...
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0answers
598 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
93 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
404 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 ...
1
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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 tinyows-...
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0answers
128 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
159 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 ...
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0answers
635 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
521 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] default-character-set=...
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0answers
934 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] ...
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0answers
28 views

Troubleshooting network errors, possibly DNS issues

Yesterday we had some server (or possibly network issues) that escalated into real issues with connectivity (via ssh) and also dns problems. During this nothing (apart from the above) seemed to be ...
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0answers
23 views

redhat satellite + rhn_check + ssh bind_address

we want to run the rhn_check on remote machine - 172.23.21.23 (this is redhat linux version 6 ) , we use the ssh -R to Specifies that the given port on the remote machine - 172.23.21.23 is to be ...
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0answers
13 views

What makes NGINX change the value of the Accept-Encoding header?

If I install a default version of NGINX (1.10.0) on Ubuntu 16.04 and use it to proxy a random website, the value of the request Accept-Encoding, is what the browser set (i.e.: gzip, deflate, sdch). I ...
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0answers
6 views

Prohibit yum from extracting a file

On RHEL6, the package nginx from EPEL installs these two files into /etc/nginx/conf.d: /etc/nginx/conf.d/default.conf /etc/nginx/conf.d/ssl.conf I can remove these files, however when upgrading ...
0
votes
0answers
131 views

How to add a certificate to the keystore

As part of some changes required by PayPal I need to discontinue using the VeriSign G2 Root Certificate and use the G5 Root Certificate. The server is running Red Hat Enterprise Linux Server 6.6. I ...
0
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0answers
24 views

How to share /Volumes from a mac on nfs

I need to share the "/Volumes" directory and all it's mounted point to a linux client but it doesn't seems to work. I don't want to share every mount point on this mac because it's a workstation with ...
0
votes
0answers
29 views

yum-cron emails going to root instead of specified user

I have several RHEL 6 servers that I have configured yum-cron to run on. I have configured them to send email output to my address. The problem is that all but one of the servers are still ...
0
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0answers
24 views

completely remove chef off my server

I am trying to install chef onto my RHEL6 machine. I have followed a old guide that is not relevant and I am getting some errors now and I want to fully wipe chef off this server. I tried following ...
0
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0answers
47 views

Trust a Self-Signed SSL Cert (RHEL) for LDAP over TLS

My Setup Mac OS X Server (El Capitan) as the OpenDirectory Server RHEL 6.5 connected via LDAP for authentication I have set /etc/sysconfig/authconfig on the RHEL server to "FORCELEGACY=yes" just ...
0
votes
0answers
30 views

Best way to limit size of named.stats file - RHEL 6.7/BIND 9

We have a RHEL 6.7 server running Bind 9.8.2. The statistics dump file is growing extremely large and bind, at least this version of bind, does not allow or have a directive to limit the size of the ...
0
votes
0answers
44 views

Configuring tacacs privilege levels and permissions on RHEL 6 server

I am setting up tac_plus on RHEL 6 and I would like some feedback on what I have configured so far, as I am still a bit confused on whether or not assigning privilege levels still means that I need to ...
0
votes
0answers
29 views

do not allow multiple sessions if user have different IPs

I am running Red Hat Enterprise Linux 6.6 and for authentication we use LDAP authentication. We have running application on a server (doesn't really matter which one it is) and the way application ...
0
votes
0answers
13 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
votes
0answers
15 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 ...
0
votes
0answers
20 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 ...
0
votes
0answers
20 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: ...
0
votes
0answers
94 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 ...
0
votes
0answers
32 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" swVersion="3....
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
41 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 ...
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0answers
113 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 ...
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0answers
158 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
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0answers
57 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
votes
0answers
21 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
128 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
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0answers
23 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 192.168....
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400 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 ...
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votes
0answers
100 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 ...