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30 views

Proper way to start application servers

I'm not a server admin by any means...but run a few small apps and need to learn how things should work... I start all my stuff manually; mostly rails with puma/thin. When I reboot, I need to start ...
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1answer
93 views

HW Raid controller error

On one of my old servers when i was randomly checking for system messages /var/log/messages in this Redhat case. I came across this message Mar 9 12:11:46 app-prod kernel: 3w-9xxx: scsi0: ERROR: ...
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1answer
244 views

Redhat Satellite 5.5.0 Remote Command Setup issue

I have setup Remote Commands on Redhat Satellite version 5.5.0 and trying to understand how the schedule works. The Remote Commands are already working on the clients but it appears that when we try ...
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1answer
125 views

Can I use RHEL Virtual Datacenter License with vCenter Server Essentials (Essentials Kit) [duplicate]

Does somebody use RHEL Virtual Datacenter License with vCenter Server Essentials? I cannot get a clear answer from our RHEL Partner, as well as I cannot find it clearly stated somewhere on the WEB. ...
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1answer
112 views

DB2 crash on production redhat server

We have a redhat virtual machine (vmware vsphere) that is hosting the database for our application. The application runs normally, until at some point it crashes with the error below seen on db2diag: ...
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2answers
582 views

Red Hat installation on HP ProLiant does not detect hard drive

I have an HP ProLiant BL460C Gen8 having real hardware RAID. I am trying to install Red Hat Enterprise x86_64 bit on an HP ProLiant (iLO 4) server with an Array of 2 hard drives configured as RAID1. ...
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1answer
57 views

fedora packages for enterprise linux

There are a number of packages available on fedora that I would like to install on RHEL v6.x. These packages do not appear to be available from RHEL (release, release-optional, or supplementary ...
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0answers
175 views

ldapsearch - Get all members of a CN (nisNetgroupTriple)

I'm a bit new to using LDAP, especially non AD LDAP. We use RedHat Directory Server and was trying to do an LDAP query (filter specifically) that would retrieve all the users (and their attributes) ...
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1answer
144 views

How do you install the optional channel on RHEL version 7?

To install Puppet Master on RedHat Linux version 7, you need to install an optional channel. Can someone provide directions on how to do this? I want to install Puppet Master. I tried to install ...
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2answers
113 views

Restrict user changing xscreensaver settings

I would like to know any solutions people came up with restricting a user from changing a system wide configuration of xscreensaver. Part of my job is managing systems which have a requirement that ...
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0answers
51 views

How to work whit socket_file httpd (nginx-uwsgi)

I am trying to run Nginx/uWSGI/Django, the last remaining step is to run the socket_file all I get is a 502 Bad Gateway. Route my django application. #/home/deploy/webapps/myapp Configuration ...
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1answer
95 views

Selinux “Add context Rule to Semanage” [closed]

As you add or change a new rule to fcontext semanage to any directory and apply, egg: # How to add this rule for apply changes whit restoreconf -Rv /var/www/html(/.*)?/media(/.*)? ...
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1answer
453 views

How to maximize AWS Default Partition Size? (NOT a duplicate) [duplicate]

Hello Ladies and Gents, I apologize if the question isn't phrased as well as it should be; it's getting late and I've been staring at this screen for way too many hours after work. My core ...
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0answers
38 views

Openshift: war file disappears

I deployed war-file to openshift via rhc and wildfly administrative console. It works fine. But after few days (approximately one week) war disappears. The administrative tool on openshift and wildfly ...
0
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1answer
35 views

Nginx location redirecting improperly

My nginx.conf: http { include mime.types; default_type application/octet-stream; # click tracking! access_log /var/log/nginx/nginx.access.log combined; sendfile on; tcp_nopush on; # ...
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1answer
82 views

Apache Solr in openshift redhat application [closed]

I have a drupal application on openshift redhat server and I would like to install apache solr for my search_api_solr module. Any ideas how to do this ?
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0answers
48 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 ...
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1answer
102 views

LVM module from puppet forge randomly breaks applying manifest

When using the lvm module, we get an "Invalid parameter size_is_minsize" randomly. If we restart puppet master, the error goes away for a while but then comes back. This is on Scientific Linux 6.6 ...
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1answer
55 views

How to correct the time on a Red Hat EL6 server? Clock is almost 3 hours behind

This did not work: [~]: sudo /usr/sbin/ntpdate pool.ntp.org 19 Feb 08:03:26 ntpdate[6939]: the NTP socket is in use, exiting So, I'm not sure how to proceed... also tried this to no avail: [~]: ...
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1answer
106 views

How to insulate apps from underlying OS changes using Docker

I'm not a docker user, just want to know if this is an accurate use case for docker. Current State We deploy custom Java apps on RHEL/VMware. To function properly, the apps depend on local Java ...
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0answers
327 views

Powershell execute Queries using SQLPLUS

I have a RHEL server with Oracle 10G installed. I need to write a powershell script to query my database and get the output. I have imported Posh-SSH module and am able to connect to my RHEL server ...
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1answer
32 views

Configure External domain to Openshift

I have Bronze package , http://jbosswildfly-hybridacumen.rhcloud.com/ i have 3 domain names hybridacumen.ie, hybridacumen.com, hybridacumen.eu I set up my cname record for all three Domains to ...
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0answers
46 views

PCI says port 36141:TCP is blocked. But 36141:TCP open on iptables

PCI compliant scan fails due to port 36141:TCP is being blocked on website. I verified I cannot connection via 36141 on same server to itself: # nc -zv 127.0.0.1 36141 nc: connect to 127.0.0.1 port ...
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1answer
138 views

Installing GraphicsMagick on RedHat Enterprise Linux

Is there a way to install GraphicsMagick without any X dependency being installed? We are trying to use GraphicsMagick via nodejs like here so we don't need X really. These are the dependencies if we ...
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1answer
165 views

New linux with old kernel in chroot [closed]

I have access to enterprise level server, but it have kernel version Description: Red Hat Enterprise Linux Server release 6.4 (Santiago) Release: 6.4 Codename: Santiago ...
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2answers
588 views

Zabbix server SELinux policy

I have a Zabbix server running on a RHEL 7 box and when I use the web front end (on the same box) it says Zabbix server is not running. If I disable SELinux and change nothing else, the web front end ...
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1answer
334 views

Default kernel boot parameter on Red Hat 6 / CentOS 6

I would like to understand if, and how, it is possible to configure default kernel boot parameters on Red Hat 6 / CentOS 6 (grub legacy bootloader). I very well understand how to manually configure ...
2
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1answer
93 views

Skip user input when using anaconda with kickstart

When I boot up the first time it always requests user input, in the case of text mode it asks me to press B to continue the installation. I would like to provision the system with no user input. ...
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2answers
47 views

Why is this server generating outbound IRC connections? [duplicate]

I noticed last night whilst checking our active sessions list on our firewall for something else, that a server was generating outbound IRC connections. Last night there was around 60 connections but ...
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2answers
83 views

grant full privliges on opt directory to another users without ownership

I am trying to provide full privileges to multiple users to do anything they want on a specific directory, and make sure no one can take ownership on any file or folder inside that directory. for ...
3
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2answers
1k views

Join Red Hat Linux 6 to a Windows Active Directory Domain

I am using Red Hat 6 (for testing purpose) and configure samba with active directory.Red Hat 6 has successfully join with my windows server 2003 domain. By typing the command [root@mainserver /] # ...
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0answers
253 views

Not Able to Mount USB HDD in Linux

I'm having a problem with a server that I just installed kernel 2.6.18-371.el5 on. It's an old kernel for Red Hat 5, I know, but due to certain "restrictions" I am forced into using that for the time ...
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2answers
460 views

Cannot install PHP iUS 5.6 on RHEL 6.4 - conflicts/dependencies [duplicate]

When trying to install PHP 5.6 from the iUS repo, I get this error: --> Processing Conflict: php56u-common-5.6.5-1.ius.el6.x86_64 conflicts php-common < 5.6 --> Finished Dependency ...
0
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1answer
175 views

Postfix - 5.7.1 relay access denied

I'm running postfix on RHEL6: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.6 (Santiago) # rpm -q postfix postfix-2.6.6-6.el6_5.x86_64 # I'm trying to implement following: ...
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8answers
3k views

No success when trying to upgrade glibc on RHEL4 due to GHOST

Due to the recent GHOST vulnerability I was trying to upgrade the glibc version on our RHEL4. The command I tried using was: rpm -Uvh glibc-2.3.4-2.57.x86_64.rpm Result was: [root@rhel4-test ~]# ...
0
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1answer
73 views

Only one IP Rule Being Implemented

I have server that has a 10g card in it. I need to configure that server so that for a particular IP address (172.16.2.180) traffic goes over two 10g Ports, the second needed for failover . The ...
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0answers
124 views

RHEL6 yum 'ascii' codec can't decode

I went to upgrade my RHEL5 to RHEL6, without problem. I've got just a little cosmetic warning as : # yum update Modules complémentaires chargés : product-id, security, subscription-manager 'ascii' ...
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2answers
4k views

Java on Linux insufficient memory even though there is plenty of available memory being used for caching

I’m trying to start a process on Red Hat Enterprise Linux Server release 6.5 (Santiago), which is failing because it is not able to allocate sufficient memory. # There is insufficient memory for the ...
0
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1answer
79 views

RHEL6 autofs maps with subdirectories and LDAP

All the documentation I see shows, even for file based, mounts that will show up on the client computer like /test/mymount and you can have as many /test/mymount2 /test/mymountN as you want. What I ...
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0answers
62 views

RHEL6.4 server did not send a SYN/ACK packet in response to a SYN packet from AppDirector intermittent

In my case, client access this RHEL6.4 server thought AppDirector, so the TCP connection is from AppDirector to the server. According to wireshark, sometimes, RHEL server didn't respond for the first ...
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0answers
31 views

Is it possible to add support for additional OIDs in SNMPD (RHEL)

I am trying to have my monitor poll the number of ESTABLISHED TCP sessions on a Linux server that is running snmpd. The OID information I am trying to poll can be found Here . The OID is ...
0
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1answer
646 views

Installing RHEL 5.8 on > 2TB drive

I'm trying to install RHEL 5.8 x64 on Cisco UCS C240 server with 4TB OS Drive. The drive is behind LSI MegaSAS. Before installing RHEL, I booted off from an Ububtu 14.04 Live DVD. Using gparted, ...
0
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1answer
72 views

Script adding an NISMap object in Active Directory from Windows and RHEL6

I am working on using Server 2008R2 Forest to house AutoFS maps in the existing schema using NISMap and NisObject class objects. I can manually create them (and it works) with ADSIedit. I have ...
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1answer
1k views

Installing CentOS7 / RHEL 7 on Proliant DL360e Gen8 [closed]

I found a fix for this after hours of digging on line. Here is the main article i am using for a reference: https://access.redhat.com/articles/118133 The RAID card which comes with this system ...
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1answer
20 views

deletion of tmp directory content on RHEL

we have installed Web logic server 10.3.6 in RHEL 5.8.There also a "tmp" folder inside "domains/servers/tmp" folder..this is the path of tmp folder in my case.Now My query is "Is it Mandatory to ...
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2answers
113 views

Disk Partitioning and Layout with LVM

I am trying to determine the best disk configuration/disk layout/partitioning scheme for a large, virtualized, multi tenanted environment. Our current scheme is very similar to rhel/centos defaults, ...
0
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1answer
95 views

Move space from one volume to other

I have one setup where / has 50G space. I want to increase space for /. [root@testsyst ~]# df -h Filesystem Size Used Avail Use% Mounted on /dev/mapper/vg_testsyst-lv_root ...
0
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1answer
158 views

RedHat iptables forwarding to VirtualBox Windows Server 20120 VM for RDP

I have a server with RedHat 6.5, this has the NIC eth2 connected to the internet at address 1.2.3.4. On this server I have installed VirtualBox 4.3.2 and created a VM with Windows Server 2012 SR2, the ...
4
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2answers
1k views

Which CentOS Version Should I Use?

I have some used rackmount servers (Dell R610, HP DL180 G6, HP DL360 G5) that I intend to use for on demand video streaming in a colocation environment. I would like to have them all on the same OS to ...
0
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0answers
64 views

Linux Redhat inbound NIC routing

I am running a SIP application on a Redhat Linux server with 4 nics on separate LANs. SIP runs on UDP port 5060. When I send a inbound packet to port 5060 NIC0, the packet gets delivered to the ...