0
votes
1answer
16 views

Issues configuring IPv6 on Red Hat 5.8

I'm new at linux and i'm trying to configure IPv6 on a Red Hat 5.8 due a specific application I'm working on. This Linux is installed in a VMWare 8 and the IPv4 is working fine! I can ping the host ...
1
vote
1answer
26 views

Historical CPU Utilization by Service Name In RHEL 6.2

I need to implement historical CPU Utilization by service name in Linux Red Hat 6.2. Is there any software or command which can provide such details ?
-2
votes
3answers
29 views

How to install interdependent repository? [on hold]

I am installing libjpeg-turbo. To install this library I need to install libjpeg-turbo-devel and vice versa. How to solve interdependency issue? Command: yum install ...
4
votes
4answers
216 views

How do I Control the Ordering of Network Interfaces?

I'm attempting to configure a machine with 3 NICs, the first two are built-in GbE controllers, the third is a 10GbE controller. Via NetworkManager, I've configured the 'first' GbE NIC (which at the ...
3
votes
2answers
89 views

Use of rpm and yum for application installation in large installation environment

Our very large organization has developed a standard for hosting of applications which dictates that the application and all components on which it relies must reside in a dedicated application volume ...
0
votes
0answers
21 views

network trouble with hp bl465c g7 and rhel6.5

I have an HP BL465c g7 that worked fine with RHEL6.3. After upgrading to 6.5 the network stopped working. Can ping itself but no the gateway or anywhere else. IPtables are clear, eth-tool reports a ...
0
votes
0answers
16 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 ...
-1
votes
1answer
37 views

Message while using YUM

I alwasy get message while using yum "Couldn't use REST" root@localhost pgsql_devel]# yum repolist enabled Loaded plugins: refresh-packagekit, replace, security ...
6
votes
1answer
128 views

How to handle security updates within Docker containers?

When deploying applications onto servers, there is typically a separation between what the application bundles with itself and what it expects from the platform (operating system and installed ...
2
votes
1answer
53 views

How to run HTTPD as specific user(s) and not by nobody?

Currently, top shows me that almost all httpd processes are run by nobody. "Almost" because 2 of them are run by root. How can i make it in such a way that given i have users say: dartagnan, porthos, ...
-1
votes
1answer
50 views

SSL certificate installation problems [closed]

I have been following a set of steps provided here comodo Step 2 advises me to place my .crt and .bundle files inside directory etc/ssl/ In my server with FTP it shows I have a empty etc/ directory, ...
1
vote
0answers
368 views

Issue with RHEL7 and disabling NetworkManager

Okay community, let's see if we can figure this one out, cause I'm out of answers. Where I work I am setting up a bunch of RedHat Enterprise Linux servers. There is a collection of RHEL6 and RHEL7 ...
0
votes
0answers
7 views

lvm mirror doesn't resync the logical volulme

I trying to restore one lvm mirror using the old metadata, for restore the config i'm using the command vgcfgrestore -f redhat vgmirror but after the restore of the old metadata, the resync ...
1
vote
2answers
75 views

What is the difference between RHEL and GA release?

Can someone explain the difference between the RHEL and GA releases available on AWS? RHEL costs are about double those of the GA release and I'm wondering what that extra cost includes.
0
votes
1answer
19 views

Fixing Apache Struts XSS vulnerability

A recent network scan revealed the following vulnerability: Apache Struts s:a / s:url Tag href Element XSS. Here is a link with more info about this vulnerability: http://osvdb.org/show/osvdb/54122 I ...
-2
votes
1answer
52 views

Upgrade vmware tools issue

I try to upgrade vmware tools on a VM (Red hat Enterprise Linux Server 6.1) the package I try to install is VMwareTools-8.6.10-913593.tar.gz. In a step of installation I get this error : No X ...
2
votes
3answers
36 views

Is it possible to get any kind of unique identifier for the Infiniband switch that a particular Linux box is connected to?

I am trying to identify which Infiniband NIC's are connected to which switches, in a manner that is very similar to this question. However, the solution proposed there is not working for Mellanox ...
1
vote
0answers
40 views

Unusually high nfs_inode_cache

My server is experiencing a high usage of nfs_inode_cache = 11G , im trying to figure out what's consuming all this , i know already that directories with large numbers of entries and deep directory ...
0
votes
1answer
33 views

How do I force sftp user to start in their home directory

I am using RHEL6 and I set up an sftp server through sshd. Here is the relevant sshd config: Match Group sftpusers ChrootDirectory /sftp/%u ForceCommand internal-sftp X11Forwarding no ...
3
votes
2answers
37 views

Changing GRUB configuration to “single” not working in RHEL

I am using RHEL 5.10. I have mistakenly deleted /etc/passwd file in my server (though I have the backup). I'm just trying to get into single user mode by typing single at the end of the kernel line ...
1
vote
4answers
84 views

How to restore a backup from a tgz file in linux

How can i restore from a backup.tgz file generated from another linux server on my own server? I tried the command the following command: tar xvpfz backup.tgz -C / The above command worked, but it ...
0
votes
1answer
140 views

relay to external network smtp server using sendmail as mta

I am banging my head on desk for this. My linux system is on local network where as my smtp server is on different network. Is there any way that I can relay mails from my local machine to this remote ...
0
votes
1answer
26 views

lvresize: command not found - RedHat

No search results on google for this. So i am really confused now. I am trying to increase the swap space and lvresize says command not found. Please Help !! using RedHat 64bit
0
votes
1answer
49 views

CentOS default never fsck root partition on start up?

Most documentation or sites will say use "tune2fs -l " to check if the system will do fsck on the system partitions on next boot, in particular, should look at "Mount count" and "Maximum mount count" ...
0
votes
1answer
43 views

VNC server installed or not in redhat linux - please read the lines below

[root@cpsc-server VNCInstallable]# ls VNC-Server-5.1.1-Linux-x64.rpm VNC-Viewer-5.1.1-Linux-x64.rpm [root@cpsc-server VNCInstallable]# rpm -e VNC-Server-5.1.1-Linux-x64.rpm **error: package ...
4
votes
2answers
166 views

Resizing of volumes used as VMWare NFS datastores causes Linux VM issues

We had to perform a live volume resize of an NFS datastores VMWare uses on our Netapp. All of our Windows VMs were fine after the resize. However, some of our Linux VMs had issues. Some Linux VMs ...
0
votes
1answer
38 views

dovecot rhel 5 installation fails because of newer libraries

to whom it may respond to, we are trying to install dovecot (dovecot-2.2.10-1_14.el5.x86_64) on a RHEL 5.4 server and we get the error : [root@asgfkm /]# rpm -i dovecot-2.1.17-0_136.el5.x86_64.rpm ...
0
votes
1answer
67 views

Resizing Partitions on Live RHEL/cPanel Server

I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server ...
2
votes
1answer
37 views

pam_tally2 causing unwanted lockouts with SCOM or Nervecenter

We use pam_tally2 in our system-auth config file which works fine for users. With services such as SCOM or Nervecenter it causes lockouts. Same behavior on RHEL5 and RHEL6 This is ...
2
votes
1answer
397 views

RHEL 6.5 to 6.4 downgrade error

I was following a RHEL solution about the downgrade, which went as follows: Check version and releases search for the available packages yum list kernel-2.6.32-358* Install the rhel 6.4 kernel ...
1
vote
1answer
46 views

Difference between “crontab -e” & editing crontab file manually? [duplicate]

I noticed some people use "crontab -l" to view cronjobs and "crontab -e" to edit them. However there are also times where people manually modify "/etc/crontab" to view/add/remove cronjobs. Both ...
0
votes
0answers
201 views

SSH hangs after authentication

When logging in to one of my servers over ssh, it just hangs after authentication. This is the output on the client with -v. OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading ...
2
votes
1answer
88 views

Linux IP forwarding trouble

In my environment most of the servers have 2 network cards. A primary/user network card used by the application, and a secondary/backup adapter used for backups, bulk copies etc. I just set up a ...
0
votes
1answer
55 views

Untrusted SSL certificates on CentOS VPS

I'm currently in the process of becoming PCI compliant and I have 6 warnings remaining. The one I'm particularly struggling with is "SSL Certificate Cannot Be Trusted IMAP (143/TCP)". I'm using ...
0
votes
5answers
86 views

Signal Root to Execute a Program

I have a program that must be run as root, and needs to be triggered by an outside process to start (it is triggered by a build process completion). It is not on a schedule, so cron is not an option. ...
-1
votes
1answer
822 views

Linux Red Hat Resize VM resize2fs - Couldn't find valid filesystem superblock

I'm trying to increase the size of a Linux Red Hat Virtual Machine by 10Gig. This is just on a Test Server I created that I'm trying to figure out. I increased the VM by 10 gig with this command ...
1
vote
0answers
54 views

How can I run a CentOS (Red Hat) cluster in degraded mode?

I've installed Red Hat's cluster software on an install of CentOS 6.5, and use it to provide redundant routing from one network to another. This works fine, and I have a pair of boxes providing the ...
0
votes
2answers
55 views

Sendmail Keeps Listening Local IP

I'm running RHEL 6 and already done the following modifications : [root@ark mail]# grep 0.0.0.0 sendmail.mc DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl [root@ark mail]# make sendmail.cf ...
1
vote
0answers
88 views

VPNC cisco + quick mode response rejected error

I installed a vpnc on my Linux red-hat machine version 6.3 Most of the cases vpnc work well ( connecting to gateway customers by vpnc ) But against some particular customers ( Cisco gateways ) , ...
-1
votes
2answers
64 views

my master dns is running on Debian, can i configure rhel as slave DNS

I need to configure a slave dns on RHEL 3 , but my master DNS is Debian 7, is it possible to configure dns on such manner if possible kindly help me on this
0
votes
1answer
61 views

RHEL5: htop shows empty command-column

When issue the command htop on my RHEL5 box I get a normal view, however when I scroll down I have several "blank" command ranges as can be seen here: Can someone explain me how this ...
-1
votes
1answer
33 views

vsftpd anonymous directory shows nothing

I'm using vsftpd on Red Hat Linux. I want to enable anonymous user login. After all the configurations, I can login without username and password. However I see nothing in the user's home directory. ...
3
votes
1answer
154 views

Can we set ulimit in /etc/sysconfig/init file to apply the value at boot time

I need to have the ulimit value set at the boot time to all my services. I have values set in /etc/sysconfig/limits.conf but these values are not applicable during the boot time and it takes 1024 as ...
7
votes
2answers
287 views

How can I mirror a yum repository but download only the newest versions of each package?

I would like to mirror the following Yum/RPM repositories at http://yum.puppetlabs.com/ : http://yum.puppetlabs.com/el/6/products/ http://yum.puppetlabs.com/el/6/dependencies/ ...
2
votes
1answer
118 views

Installing multiple mongoDB versions on the same server

I have installed a 2.4 mongoDB version and I'd like to compare against the recently released 2.6 version. I want to know if possible to do a clean new install rather en an update to see if those two ...
1
vote
1answer
50 views

How to compile sources into rpmbuild BUILDROOT?

All the information I can find about building RPMs seems to pre-date CentOS 6, and as a complete package-building novice running CentOS 6.5, I'm rather stuck. All the tutorials I've read mention one ...
14
votes
4answers
951 views

Common wisdom about Active Directory authentication for Linux Servers?

What is the common wisdom in 2014 about Active Directory authentication/integration for Linux servers and modern Windows Server operating systems (CentOS/RHEL-focused)? Over the years since my first ...
0
votes
0answers
583 views

Stuck at grub prompt after a default CentOS 6 installation

I am having a very strange problem installing CentOS 6 that I've never encountered before. I've followed these same steps thousands of times before, but within the past couple weeks I've had two ...
0
votes
3answers
154 views

Yum update problems on AWS with missing requirements and duplicate sendmail

I am running an AWS VM and tried: sudo yum update Result: Error: Protected multilib versions: sendmail-8.14.4-8.12.amzn1.x86_64 != sendmail-8.14.4-7.9.amzn1.i386 You could try using ...
0
votes
1answer
144 views

How to troubleshoot an unexpected Linux shutdown

I have two RHEL6.3 servers that just shutdown at the same exact time (25 seconds apart) for no apparent reason. They're on conditioned power, along with a number of other servers that didn't shut ...