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How to register RH 6.5 in order to use yum (behind http proxy)

I registered my RH 6.5 machines using subscription-manager. Yum is not working. I'm behind http proxy so I added proxy=http://x.x.x.x:3128 into /etc/yum.conf. But still yum installations fail: yum ...
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1answer
44 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 ...
2
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1answer
86 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 ...
13
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2answers
27k views

Upgrade CentOS 5.x to CentOS 6.x - tips and techniques

Now that CentOS 6.0 is making its way to the various mirror sites, I wanted to solicit opinions on the upgrade process. In working with the commercial RedHat 5.6 and 6.x distributions for the past few ...
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2answers
3k views

how to enable ipv6 in redhat

hi i have installed snort with ipv6 supprt Version 2.9.0.2 IPv6 (Build 92) in RHEL. can anyone tell me how to enable ipv6 support in linux i tried sysctl -w net.ipv6.conf.all.forwarding=1 and ...
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3answers
10k views

Where is the sshd log file on Red Hat Linux stored?

Can someone please tell me where to find the SSHD log on RedHat and SELinux.... I would like to view the log to see who is logging into my account..
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0answers
161 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 ...
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1answer
137 views

How to enable memberOf attribute in OpenLDAP?

How can I enable the memberOf layer on a Red Hat 6.5 (Santiago)? So far I tried to create a config file dn: cn=module,cn=config cn: module objectclass: olcModuleList objectclass: top olcmoduleload: ...
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2answers
1k views

Linux containers (LXC) on Red Hat/CentOS EL6 - lxc-create versus libvirt?

It's tricky trying to stay within the good graces of Red Hat and still plan for system longevity... I've been a proponent of Linux Containers (LXC) for over a year. My initial installations were ...
2
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4answers
1k views

Install Fedora Source package on RHEL / CentOS

I'm attempting to upgrade curl on RHEL / CentOS machines. I've found what seems to be the appropriate source packages in a number of repos. (ie, ...
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0answers
23 views

Redhat quitting process never works always have to kill it

I am working on a RedHat server creating a unicorn process. I have two sets of these processes being created. I am able to QUIT one of the process fine and do so over and over again create it and QUIT ...
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1answer
29 views

Why don't RedHat 5.x compiled Ruby-binaries work on Fedora 17?

I have compiled Ruby 2.0.0p247-binaries on a RedHat Enterprise Linux 5-system. When I require 'net/https' on this same system, everything is fine. The binaries have been installed on a common ...
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4answers
4k views

login as rsh in rhel 6 without entering password

I need to be able to login to a RHEL 6 server using rsh (please don't flame me about security, it's irrelevant in this particular instance) as root without having to enter a password. My procedure ...
0
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1answer
53 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 ...
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5answers
1k views

Unable to ping Redhat 5.6 instance on vmware esx 5.1

I am running vmware esx 5.1 and I've created an instance of red hat 5.6 Desktop with a static ip address. When I restart the red hat guest I am able to ping it from another system but then as soon as ...
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2answers
1k views

NTPD issue - syncs then slowly loses ground

RHEL 5 workstation. Has been running smoothly for years. I did a 'pup' recently and followed with a nice, cleansing reboot. Afterwards the system had some startup issues: namely MySQL refused to ...
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4answers
3k views

How to uninstall mysql on redhat linux version 5

I have identified the rpm to uninstall which is the following: mysql-5.0.77-4.el5_6.6 I run the following rpm command to uninstall it: rpm -e mysql-5.0.77-4.el5_6.6 Then I receive a dependency ...
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2answers
43 views

process works under strace but not normally

I have a process - a perl script - that does: while true check a POP account on a server on the lan process any email found write logs - messages found, actions taken, errors sleep ...
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0answers
108 views

RHEL7 RC, why isnt /etc/sysconfig/static-routes active after reboot? But it is after 'service network restart'?

I just started to port our auto provision system (chef scripts etc) on RHEL 7RC. But something isnt working as expected, I suspect systemd is the culprit. So we have some default static routes in ...
0
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5answers
85 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
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1answer
123 views

Account Lockout with pam_faillock in RHEL6

Previously, I asked about using pam_tally2 under RHEL6. I would like to pose this question and answer to document the recommended use of pam_faillock over pam_tally2 for the same function; What is ...
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0answers
39 views

Implementing and testing a Subversion hook

Background I'm trying to implement a number of commit hooks for Subversion. I have done a lot of research to try and get a simple test hook to work, however I have had no luck. For reference I have ...
0
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1answer
20 views

PTR entry is setting my hostname. How do I stop it?

I'm running RHEL 6.5. My machine is getting it's IP address from our DHCP server. I'm getting this strange behavior where the machine will apparently query the DNS server for a PTR entry for the IP ...
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2answers
110 views

IPtables - opening ports not working

I am writing a script to open ports based on a textfile, and am having problems opening these ports. For instance, I have tried opening port 18819 by entering the command /sbin/iptables -A INPUT -m ...
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2answers
255 views

Red Hat Software Collections 1 Beta channel has 0 packages?

I want to install PHP 5.4 on a RHEL 6.x box as described in this Red Hat blog post. I have a valid subscription and have added the channel, but a yum repolist shows a status of 0 for the channel. ...
0
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1answer
90 views

mysql 5.6 doesn't start automatically on redhat 6.4 server start-up but do start when manually run “service mysql start”

I'm trying without success to set mysql to start automatically (mysql 5.6 on RHEL6.4) When I run "service --status-all" after server (redhat) restart it always shows "MySQL is not running, but lock ...
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0answers
99 views

GlusterFS issues - volume heal static info split-brain : FAILED

I have been having these GlusteFS problems ever since I started monitoring this. Any idea how this can be fixed? [2014-05-07 09:50:02.511879] : volume heal static info split-brain : FAILED : ...
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votes
1answer
579 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 ...
2
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3answers
710 views

Yum: What is the @shortname for a Package Group?

I am creating a kickstart file, and I want to install certain Package Groups in the %packages section. I prefer to install Package Groups, and therefore use the @packagegroup syntax: %packages @Base ...
0
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1answer
55 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 ...
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2answers
113 views

Any good yum repository management dashboards?

I'm currently managing hundreds of CentOS/Amazon Linux servers, and our homegrown tools for managing the myriad package versions seems inadequate and unnecessary. What I'm looking for is a tool that ...
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0answers
42 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
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2answers
47 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 ...
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2answers
167 views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
2
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2answers
127 views

httpd service is not starting automatically

I compiled Apache and PHP from source on a RedHat server, but in doing that, I forget to install the httpd as service. Files used to compile Apache 2.4.7 Command used to compile Apache 2.4.7 ...
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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
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1answer
466 views

Install WAS 7.0 on RHEL 6

I am trying to install Websphere 7 x64 on RHEL 6 x64. I am using Developer edition. When I try to execute ./install on the command prompt, it waits for few seconds and then returns to prompt without ...
1
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0answers
80 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
1answer
32 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. ...
7
votes
2answers
248 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/ ...
3
votes
1answer
124 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 ...
2
votes
1answer
108 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 ...
0
votes
1answer
515 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 ...
2
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2answers
131 views

RHEV Manager best practises

I've been playing around with RHEV. I was wondering what is the best practise for the RHEV Manager in terms of installation. In a big production environment is it best for the Manager to be installed ...
0
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1answer
181 views

JBoss EAP 6.2 on RHEL 6: ./bin/init.d/jboss-as-standalone.sh hangs while calling via SSH

I'm using jboss-as-standalone.sh to manage JBoss EAP standalone as a service. I can start/stop the service with "service jboss-as-standalone.sh start/stop" while I'm on a terminal. But I would like ...
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2answers
2k views

How to set hostname.domainname from dhcp

Running Centos 6.x using dhcp, we want to set the hostname to be FQDN that's obtained from a combination of dhcp options. As an example if I have two dhcp options option host-name "foobar"; option ...
0
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1answer
20 views

redhat-idm-console removing or adding accounts takes a longtime to take effect

Using the redhat-idm-console tool often takes a long time to allow the changes to be reflected in directory services. Closing Firefox and clearing the cache does not seem to have any noticeable ...
1
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1answer
44 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 ...
0
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3answers
134 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 ...
1
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1answer
78 views

After upgrading openssl, unable to bind to server: Can't contact LDAP server

It was working like this, in /etc/openldap/ldap.conf URI ldap://127.0.0.1/ BASE dc=example,dc=com TLS_REQUEST never TLS_CACERTDIR /etc/pki/tls/certs I was able to connect our secured ldap server. ...