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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3answers
946 views

php-snmp php-devel php-mbstring Dependency Issues RHEL 6

I apologize if this is answered, I may just not know what exactly to search for. I am attempting to install Cacti on RHEL6 and have hit a wall trying to install these three package: php-snmp ...
0
votes
0answers
529 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 ...
2
votes
2answers
665 views

Hyper-V 'standalone' (on baremetal) with RHEL/CentOS 6.x guest VM

My exposure to virtualization has been limited to Virtualbox &VMware-player on Desktops, and to VMWare ESXi &KVM on Linux server, and exclusively with Linux guests (RHEL/CentOS). So please ...
-1
votes
1answer
78 views

migrate to centos vs. add centos repository [closed]

I have installed Redhat Enterprise Linux 6.2, and I don't want to buy its subscription, I want to use the centos's repository. I found an article that teach me how to migrate to centos 6 from rhel 6, ...
0
votes
1answer
697 views

brctl addbr and bonding not working for CentOS6 if IPv6 is disabled

I set up a CentOS6-XEN4-Server according to these instructions. Now I want to set up bridges - first manually: brctl addbr test - but this fails with: "add Bridge failed: Package not installed" ...
1
vote
1answer
480 views

Foreman-Installer change certificate

Looking to install Foreman for a puppet deployment in my environment. I ran foreman-installer with defaults at first and didn't care for the SSL certificates and URLs being server01.example.com I ...
2
votes
1answer
483 views

RHEL SELinux context differs between matchpathcon and restorecon

I am using RHEL 6.3 and I experiment a strange behavior with matchpathcon and restorecon SELinux commands. For a specific file, I have defined a context with semanage fcontext. Then, matchpathcon ...
1
vote
1answer
756 views

RHEL6 Upstart: Flow of Events During Reboot

I have a situation where a RHEL 6.4 server is sending TERM and KILL signals too quickly, before applications and databases have had a chance to gracefully stop. It seems that Upstart is handing ...
2
votes
4answers
3k views

Nagios NRPE: Command “my_command” not defined

I have installed Nagios® Core™ 3.5.1 and NRPE v2.14 on my client which running RHEL 6.3 I have this error message on my Nagios NRPE: Command 'check_mysql_connections' not defined On my nrpe.cfg I ...
2
votes
1answer
3k views

How to configure the bridge over bonding in RHEL 6.4 Server?

Has installed a system (rhel-server-6.4-x86_64-dvd.iso). KVM over which set. The host machine and the guest-machine assigned its own IP-address, configured for this bridge br0. Everything works. Now ...
1
vote
2answers
779 views

How to configure ssh tunneling with Putty between two RHEL servers?

I'm trying to allow ssh access from a remote RHEL server to a local RHEL box via Win/Putty gateway. Basically, I'd like to be able to do 'ssh localhost -p 512' on a remote server so that it would ...
3
votes
2answers
230 views

Managing Python versions with environment-modules

I'm trying to configure a RHEL6 server to allow multiple users to run multiple versions of Python, multiple versions of various python modules, and multiple versions of various other programs (e.g. ...
-1
votes
1answer
123 views

Redirect all incoming traffic

I have a RHEL6.4 httpd VirtualHost that I want to use to forward inbound traffic like so: Any incorrect host names in requests will redirected correctly to my SERVER_NAME AND Any non-port-443 ...
1
vote
5answers
20k views

How do I install the main repositories for RHEL6

We've setup RHEL6 on a new server. As far as we can tell, our subscription is all setup properly. However, when I run yum repolist, it doesn't show any repositories. /etc/yum.repos.d/redhat.repo is ...
3
votes
1answer
237 views

Can't make SELinux context types permanent with semanage

I created a new folder at /modevasive to hold my mod_evasive scripts and for the Log Directory. I'm trying to change the context type to httpd_sys_content_t so Apache can write to the folder. I did ...
7
votes
1answer
6k views

“power limit notification” clobbering on 12G Dell servers with RHEL6

Server: Poweredge r620 OS: RHEL 6.4 Kernel: 2.6.32-358.18.1.el6.x86_64 I'm experiencing application alarms in my production environment. Critical CPU hungry processes are being starved of resources ...
0
votes
1answer
85 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 ...
1
vote
0answers
74 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 ...
3
votes
2answers
911 views

How to detect if mount point exists from init.d script?

After a reboot, I'm executing an application from a mounted network share (autofs) using an init.d script. The script starts by waiting 30 seconds before attempting to execute the command, in order to ...
2
votes
3answers
330 views

Why is RAM usage so high on an idle server? [duplicate]

I'm investigating a server used for scientific data analysis. It's running RHEL 6.4 It has almost 200GB of RAM. It's been running very slowly for users via SSH, and after some poking around I quickly ...
1
vote
1answer
195 views

RHEL Apache: 403 Forbidden on VirtualHost

My files are all owned by apache:apache. All directories have 770 permissions and files have 660 permissions. My original virtualhost seems to be fine but the second one is getting 403 errors on all ...
3
votes
2answers
116 views

Later versions of RPMs not available through custom yum repo

I've created a custom repository following this guide. Files are being served via http (nginx). I've cd'd into the directory to create the metadata with createrepo .. I can install a package through ...
3
votes
1answer
3k views

What are the disadvantages of disabling tinker panic 0 in NTP?

We sometimes have the problem that new servers have the wrong time in the bios, so there time can be off by a month. When you suspend a VM in VMware and then unsuspend it, the time will be off too. ...
6
votes
3answers
2k views

How to make NTP work despite a high offset?

Recently I have kickstarted some servers that had their time off by a month in the bios. The time in the bios said it was a random time/date in May, while it was June. This caused NTP not to work, ...
4
votes
2answers
886 views

Dangers to giving Apache user a shell

tl;dr - What are the dangers of giving Apache a shell in /etc/passwd? I'm working on getting mod_evasive set up with Apache to fight DOS attempts. I use the DOSSystemCommand to run a script that ...
2
votes
1answer
670 views

Is there an equivalent to Debian's cli/php.ini on Redhat?

How do you configure the command line version of PHP to have different settings on a Redhat system? On Debian based systems, php has a separate command-line version config file: /etc/php5/cli. On ...
0
votes
0answers
106 views

Why does git remote repo only work as root?

I followed this description setting up a git remote git repo. This worked pretty well so far, but only when I use root@mygitserver.com:/gituserhomedir/someproject.git. When I switch to user git@... ...
1
vote
2answers
140 views

How do I allow my server to ftp to itself?

I'm on RHEL6 and I'm trying to do an auto update on wordpress but the ftp and sftp connections fail. I suspect it's at least testing the connection from within the server which is not allowed by my ...
2
votes
1answer
204 views

How to make Puppet fix SELinux types for home directories?

We are using pam_mkhomedir.so to automatically create the home directories of users logging in with SSH. There is a bug in pam_mkhomedir that sets the SELinux contexts to home_root_t instead of ...
0
votes
0answers
45 views

rubygems unavailable after optional rpms enabled

I'm using RHEL6. This morning I had a machine registered with RHN, and now I'm moving forward with a Puppet installation. I've run yum-config-manager --enable rhel-6-server-optional-rpms however, ...
10
votes
2answers
4k views

Do I need a RHEL subscription to install packages?

I'm new to RHEL. Trying to install software this morning and running into road blocks. Is it required to have a subscription to download packages via yum on RHEL? I'm coming across different sources ...
1
vote
1answer
623 views

PXE booting server in VirtualBox network configuration

I have a host machine(windows) which has a rhel6 guest running in virtual box. I want to boot my laptop through PXE server configured in this guest machine. I have configured all the necessary ...
0
votes
1answer
242 views

Can I use Puppetmaster 3.2.x with Puppet 2.7 clients?

We are using RHEL 6.2 with Puppet 2.7 on about 100 servers. I am planning to update the puppetmaster to RHEL 6.2 with Puppet 3.2. I understand that I have to rewrite a few manifests in order for the ...
-1
votes
1answer
307 views

What are the dependencies of sssd/nscd to function?

What are the dependencies of sssd to function as an LDAP-client? What are the dependencies of nscd to function as an LDAP-client? Does sssd need openldap to function as an LDAP-client? Does nscd?
0
votes
1answer
212 views

What are disadvantages of using nsswitch compat?

In my current LDAP set-up "getent passwd" shows all 600+ users that exist in the LDAP, not enumerating only the 20 LDAP-users that have permission to access this netgroup/server. This can be solved ...
0
votes
2answers
601 views

MySQL won't start: “Can't start server : Bind on unix socket: Operation not permitted”

Running a minimal Centos 6.0 build as a vagrant box, with SELINUX=permissive. Right off the bat, performing a "yum install mysql-server" and then "service mysqld start" it fails. Inside ...
0
votes
1answer
472 views

nginx repomd.xml 404 Not Found

I set up the nginx repository as specified at http://wiki.nginx.org/Install [nginx] name=nginx repo baseurl=http://nginx.org/packages/rhel/$releasever/$basearch/ gpgcheck=0 enabled=1 When I try to ...
0
votes
1answer
84 views

Users seeing all other LDAP users on RHEL default behavior?

We are using an LDAP server with both Solaris and RHEL servers and planning to migrate more servers over to RHEL. However we have an issue with LDAP on all Red Hat servers. When we type "getent ...
4
votes
4answers
2k views

PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/gd.so' undefined symbol: gdImageWebpCtx in Unknown

We're running RHEL6 and just started getting this error when restarting php-fpm. PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/gd.so' - /usr/lib64/php/modules/gd.so: ...
2
votes
1answer
169 views

Linux device names: What other non-standard storage device names are there apart from /dev/cciss

This is a question about Linux storage device names on RHEL5 and RHEL6 Most storage devices are accessible using device names /dev/sda, /dev/sdb, etc. By storage device I mean a device that could be ...
0
votes
0answers
67 views

Assistance required configuring /server-status on apache — keeps getting caught in redirects

Good Morning, I'm trying to configure server-status on my servers, so that I can connect them to Solar Winds monitoring. (No jokes, it's not my choice!) I thought that I could just drop a new .conf ...
0
votes
2answers
607 views

Should rp_filter sysctl parameter be set on bonding master or member slaves?

I have a server running RHEL6.4. I need to configure .rp_filter sysctl parameter for my server's private interconnect. This server has 2 NICs bonded together. I looked through the documentation and ...
0
votes
1answer
943 views

Moving from nslcd to sssd on Red Hat to solve NSS MD5 issue

I have a problem with the latest version of Red Hat, nss/nscd does not accept MD5 certificates. Because of recommendations I am replacing nscd with sssd with this howto ...
6
votes
3answers
7k views

How come all LDAP users are shown with getent passwd?

We are using an LDAP server with both Solaris and RHEL servers and planning to migrate more servers over to RHEL. However we have an issue with LDAP on all Red Hat servers. When I type "getent ...
0
votes
2answers
149 views

how to configure default gateway

On a RHEL6 server I added a 2nd nic and have configured it to use a static ip on a different subnet. $ route -n Kernel IP routing table Destination Gateway Genmask Flags Metric ...
0
votes
1answer
1k views

NFS not working on bonded NFS interface - mount.nfs: No such device

We have an error message when trying to mount NFS on a RHEL server. NFS works fine on all our other servers, but not on 2 freshly kickstarted servers with the error "mount.nfs: No such device". ...
0
votes
2answers
553 views

I'm unable to use rpmbuild to build nagios-3.5.0 RPM @RHEL6

I'm unable to build RPM w/ nagios 3.5.0 (last one that worked for me was 3.2.3): # md5sum nagios-3.5.0.tar.gz aeef195d2033cc362bf6cb972bcc8f07 nagios-3.5.0.tar.gz # rpmbuild -tb nagios-3.5.0.tar.gz ...
-4
votes
1answer
137 views

Linux File that lost it's attribute displaying only “??????” [closed]

In my Redhat Linux 6 I have a very strange file that doesn't leave the system no matter how I delete it "web.process" CANNOT BE DELETED. It's in /opt/folder/web/tmp/default/web.process This ...
2
votes
2answers
218 views

Best practices in keeping older versions of RHEL secure?

We are running RHN Satellite and RHEL 6.3 servers with a frozen RHEL 6.3-channel. What are the best practices in keeping older RHEL 6.3-servers secure? It is important that: We do not get new ...
2
votes
1answer
244 views

Find out limits of other user

On CentOS 6.4 / 64 bit - how to find the limits of the user "nobody"? Because I can not just su - nobody and call ulimit -a: # id nobody uid=99(nobody) gid=99(nobody) groups=99(nobody) # su - ...