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17 views

CentOS 7 with Red Hat Satellite 6

We're using Satellite 6 to manage our RHEL servers. For some side projects, we'll be using CentOS 7 to limit the costs. Of course we'd like to use Satellite 6 as well to centrally manage these CentOS ...
-3
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0answers
10 views

In RHEL7 / CentOS 7, how can I add a banner text to display on the GUI at the login prompt using Gnome Display Manager (GDM)? [on hold]

Following RedHat's instructions do not work! https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/Desktop_Migration_and_Administration_Guide/customizing-login-screen.html ...
1
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1answer
38 views

Increase tmpfs size more than available RAM Is that a good option?

Is it advisable to increase the size of tmpfs [/dev/shm] more than available RAM. Will it crash the Machine ? The reason for the excercise is to optimize the perfromance of the SAP application. please ...
1
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1answer
34 views

AWS fails to resize an RHEL64 instance upon launch

I'm using AWS to boot up a RHEL64 instance but the disk is failing to resize to fit the volume I've selected. Here's the scenario: I Launch a running instance from the Marketplace AMI ami-517eec6b ...
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0answers
14 views

Installing latest wireshark impossible? [migrated]

It looks like installing a later version of wireshark is near impossible on redhat 6. I've searched the web extensively and can't find any questions where someone has said their issue was resolved. ...
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0answers
18 views

Configuring CSF/LFD to send email alerts for Port Flooding [closed]

I'm currently receiving emails about failed SSH and FTP login attempts, so I know email and alerts are configured and working, but not for Port Floods. So I'm curious, has anyone successfully ...
0
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1answer
35 views

RPM or YUM equivalent of apt-get install libgraphicsmagick1-dev

I was using Ubuntu for development and one of the dependencies needs apt-get libgraphicsmagick1-dev now I need to deploy to a AWS EC2 which runs AMI and only support YUM or RPM, what the the ...
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0answers
16 views

Mongodb + Kerberos BadValue SASL mechanism GSSAPI is not supported

I am trying to run an instance of mongodb with the authentication mechanism GSS-API. This is the command: mongod --dbpath /home/ec2-user/db/node2/data --auth --setParameter ...
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0answers
20 views

XFS increase size [migrated]

How to increase data size at the expense of the other disk. xfs_growfs without param [from,to] increase. /dev/sda8 45695376 36341884 9353492 80% /data Disk /dev/sda: 128 GB Disk /dev/sdb: ...
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0answers
28 views

How to install httpd-mmn on RHEL 6.5? [closed]

Input such a command: rpm -q --provides httpd | grep httpd-mmn it outputs: httpd-mmn = 20120211 if I install php55w with rpm -ivh php55w-5.5.22-1.w6.x86_64.rpm It shows this: error: Failed ...
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0answers
14 views

what caused the low IO performence in redhat enterprise Linux5.7 [closed]

serverboard is Intel 1200V3RPS,the harddisk is Seagate SV35.5 ST3000VX000*24.when i used hdparm -t /dev/sd?,it just 100MB/Sec.but when i install RedHat Enterprise Linux 6.0,it just up to ...
14
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2answers
1k views

How to prevent users from extending their window of valid login

Been working on some security hardening procedures for a RedHat box, and I wanted to know if would be possible to prevent a user from changing his password, once it's expired. For one of our clients ...
1
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1answer
32 views

Check if account is allowed when using pam_access

I'm using pam_access and /etc/security/access.conf to restrict who can login to my Rhel 6.5 hosts. I have an LDAP server with a diverse user base, and the security people would like a list of who can ...
1
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1answer
21 views

Locally runnable VM to simulate Amazon EC2 host

I'm currently managing an application hosted on the Amazon EC2 cloud. I'm curious whether it's possible to get hold of a VM that would most closely mimic the Red Hat environments that one deploys to ...
0
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0answers
25 views

Redhat configure sftp

I would like to give someone in a different dept read only sftp access to a certain dir on a redhat 6 server. Easier said than done I've found. I've followed a guide like this one to setup the user to ...
0
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0answers
29 views

Apache URL Rewrite On the same Virtual Host works in one case but fails in another

I have an odd problem, where I am rewriting a URL to proxy to two different URL destinations, based on digits that are passed in the URL and a particular string, in the same virtualhost definition, ...
0
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0answers
27 views

Hidden network after cloning Red Hat

I have a bizarre network problem with Red Hat. I have a virtual RHEL6 guest machine running on a ESXi 5.5 hypervisor. The VM is a clone of a base 'template' I created. The problem is there seems to ...
1
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1answer
23 views

saslauthd on Red Hat 6.5 NO “authentication failed”

I'm trying to authorize an user of an active directory in a red hat linux 6.5. To do that I am using saslauthd. This is its configuration: /etc/saslauthd.conf: ldap_servers: ...
0
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0answers
38 views

Read-only access to a dir for a user in the shell, but allow git to write to that dir

The Environment: At work we have a shared web hosting account which allows us shell access to our server, but not root privileges. This means we have a single user in a single group and cannot create ...
0
votes
1answer
22 views

Root Volume Expansion AWS

We need to instantiate an ec2-instance(RHEL) which has 10 GB of space mounted on root, we tried several time but usable disk always show 6 GB. Please see the screenshot. Can somebody tell how to use ...
0
votes
1answer
19 views

Install two gcc compiler on the same machine

My question is simple, is it possible to install two different version of gcc on the same red hat machine. For example : gcc3.4 and gcc4, on red hat 6 ?
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1answer
29 views

IPv4 ICMP Codes/Errors for WAN transmissions

Can someone tell me which IPv4 ICMP Codes/Errors i have to unlock as Best Practise for WAN transmission (RedHat und Cisco)?
0
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1answer
24 views

Granting sudo access for specific command and any flags set (RedHat)

How can you grant sudo access for a specific command with flags. Ex. I requested sudo access for this command below: sudo /usr/bin/su - wassa /usr/was7/profiles/dmgr/bin/wsadmin.sh I can run the ...
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votes
1answer
16 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 w/ puma/thin. When I reboot, I need to start my ...
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0answers
12 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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votes
1answer
26 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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votes
1answer
28 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. ...
0
votes
1answer
40 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: ...
0
votes
1answer
25 views

Red hat installation does not detect hard drive

I have an HP BL460C Gen 8 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. The ...
1
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1answer
25 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 ...
0
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0answers
24 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) ...
0
votes
1answer
20 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 ...
0
votes
2answers
53 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 ...
0
votes
0answers
18 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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0answers
42 views

Impossible write into the AJXP_DATA_PATH folder

I have installed ajaxplorer in my centos. Iam trying to open through website its showing error " Impossible write into the AJXP_DATA_PATH folder: Make sure to grant write access to this folder for ...
0
votes
1answer
31 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(/.*)? ...
-1
votes
1answer
98 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
52 views

Error while installing PostgreSQL PHP PDO driver, at running ./configure

I have found a tutorial, installing PostgreSQL's PDO driver on PHP. I couldn't do without a tutorial, because yum and other repo's couldn't find required pdo packages. It starts with wget ...
0
votes
0answers
17 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
votes
1answer
19 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; # ...
-2
votes
1answer
31 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 ?
0
votes
0answers
25 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 ...
4
votes
0answers
91 views

it's good idea truncate a file while is in use? [migrated]

Around the web many people say you can truncate a file using > filename or truncate -s0 filename while file begin used I know everytime a process write in a file, the process uses a offset for ...
1
vote
1answer
44 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 ...
0
votes
1answer
33 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: [~]: ...
1
vote
1answer
77 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 ...
1
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0answers
123 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 ...
-1
votes
1answer
12 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 ...
0
votes
0answers
30 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 ...
-1
votes
1answer
54 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 ...