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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2answers
896 views

RHEL 6 Having issues forwarding port 80 to port 8080

I am trying to set up a JBoss app server on an RHEL build. Jboss is bound to 127.0.0.1:8080, and I am trying to setup iptables to redirect all traffic from port 80 to port 8080. This is my config ...
1
vote
1answer
175 views

How to customize the default set of apps launched with gnome desktop on CentOS 6.*

Background We run a series of CentOS 6.5 servers which each host multiple users (~100s) coming in via X-Window XDMP from their MS Windows desktops. These users don't need the host of default ...
0
votes
2answers
973 views

Running 'show process list' simultaneously

I have two scripts put into a cron that runs every single minute. Both the scripts connect to the same database and runs a show full processlist. Is it okay if two show full processlist commands are ...
1
vote
2answers
234 views

RHEL 6.6: redis-package for php54

Redhat Enterprise Linux Server 6 contains php54 packages, in addition to the normal php packages that ship version 5.3. Unfortunately for me, a php-redis package exists, but no php54-redis package. ...
4
votes
1answer
229 views

Practical ulimits

One of the projects I'm working on is moving certain puppet-applied ulimit settings away from "that sounds about right" to dynamically allocated based on the environment. This is for ...
0
votes
1answer
214 views

rcp files from windows 2008 server to linux box? (Running rcp on linux)

I am trying to run rcp command on rhel6 server to copy over files from a windows 2008 server but see this error message. /usr/bin/rcp administrator@10.225.185.112:"C:\nfsqa-rhel62-vm01.root.keytab" ...
0
votes
2answers
3k views

Unable to load dynamic library '/usr/lib64/php/modules/ssh2.so' [closed]

When I try to run any php script with my user within shell, I get the following warning: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/ssh2.so' - ...
0
votes
1answer
2k views

RHEL 6.6: [Errno 14] PYCURL ERROR 22 - “The requested URL returned error: 403 Forbidden”

First of all, it's the first time I setup RHEL machines, I'm more used to Debian. We're installing many machine at the same time. We've upgraded from RHEL 6.3 to RHEL 6.6 and we're now trying to ...
1
vote
1answer
473 views

No package php5-intl available RHEL

I'm trying to install php5-intl on Red Hat but cannot seem to find the package. I run yum install php5-install and get the error No package php5-intl available. Is there a different repository I need? ...
1
vote
1answer
988 views

make PHP curl use openssl instead of NSS

Does anyone know how could I force php to use curl with openssl instead of NSS on RHEL 6? I've installed curl-openssl-7.30.0-1.1.el6.x86_64.rpm but how can I tell php to use it? Actually is there a ...
5
votes
2answers
2k views

Is PHP 5.3.3 on RHEL 6.5 receiving security fixes?

I notice that the latest PHP available on RHEL 6.5 is PHP 5.3.3. See Distrowatch and also my own check: $ php -v PHP 5.3.3 (cli) (built: Jul 15 2014 08:48:08) However, the PHP website claims that ...
2
votes
1answer
125 views

Puppet's issue: Configure WAN interface, reload network in the process result in broken agent's run

A little background: I want to use puppet to fully configure RHEL6 servers freshly after they have been installed with kickstart, the kickstart itself is fully automatic and provide dhcp-enabled ...
5
votes
2answers
10k views

Generating an SHA256 SSL CSR on CentOS/RHEL using genkey

The officially recommended method of generating a web server SSL certificate CSR (according to RHEL6 and CentOS 6 documentation) is to use the genkey utility. When used according to the docs, this ...
1
vote
0answers
282 views

Java Spring application working on one system, dying on almost identical one

Introduction I'm running a third party Java Spring application on RHEL, that refuses to run on machines cloned from a certain RHEL 6.5 template. It just dies on startup with a bogus exception (see ...
0
votes
1answer
57 views

Disk usage spiked, now normal, how to track files?

On a Linux server (RHEL 6.2) with a 50GB drive, disk usage which is normally around 57% spiked for about an hour to 100%. It has returned to normal again. Is there some way to find out what files ...
0
votes
0answers
1k views

RHEL 6: packages from server-source repository are invisible/unavailable

There are some RHEL (6) official repositories with source-rpms. E.g. rhel-6-server-source-rpms: # subscription-manager repos | grep -A 4 rhel-6-server-source-rpms Repo ID: rhel-6-server-source-rpms ...
1
vote
2answers
126 views

NTPD slews time when it doesn't need to

I have some odd behaviour running ntpd on a rhel 6.5 machine. This machine runs as a virtual machine on a kvm host (also rhel) and this host has the correct time (within a few ms), and an ntpd that ...
1
vote
1answer
1k views

redhat cluster failover not working (corosync [TOTEM ] Retransmit List)

I'm using following: [root@kpdbm01 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 6.5 (Santiago) [root@kpdbm01 ~]# uname -a Linux kpdbm01 2.6.32-431.20.3.el6.x86_64 #1 SMP Fri ...
1
vote
1answer
1k views

keepalived failover virtual ip parameters

I have two servers (A-master and B-backup) with one virtual ip. I need to assign the virtual ip to server B in case server A fails. For this I'm trying to configure keepalived. server A virtual ip ...
0
votes
1answer
125 views

Puppet master receiving a YAML error after upgrade to 2.7.25-2

Our puppetmaster server was upgraded to the latest available on RHEL6 (puppet-2.7.25-2.el6.noarch). We are now receiving errors such as this on the master: Aug 26 11:36:59 master1 ...
0
votes
0answers
553 views

RHEL6: bonding NICs with DHCP reservation problems

I am using a 4 NIC bond with Bonding Mode: transmit load balancing and a port channel is configured on the switch. I have a DHCP reservation for the IP address being used for the bond. I configured ...
2
votes
0answers
357 views

Why “scope link” ipv6 address can be pinged via interfaces which they are not active on

[root@2_01 ~]# /sbin/ip -6 addr show pubeth0 inet6 2001:1::6/64 scope global inet6 2001:1::1/64 scope global inet6 fe80::20c:29ff:fe69:f9e8/64 scope link [root@v2_01 ~]# /sbin/ip -6 addr show ...
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votes
2answers
217 views

RHEL 6.5 and LDAP

I am trying to connect our Active directory server to brand new RHEL 6.5 server. I want to authenticate users using AD credentials, but I want to restrict that only certain users can login, I don't ...
2
votes
1answer
690 views

RHEL Java Application returns “No space left on device” but only 3% used [duplicate]

My Java Application returns following Exception when saving a new file in /opt/wso2 on a CentOS 6.4: Caused by java.io.FileNotFoundException: ... (No space left on device) Caused by: ...
0
votes
1answer
157 views

How can I start X server ons boot?

In most case I login to the server as a root and start the X server manually by calling the startx function. After the I can use X11 forwarding. However I would like to know how can I start X11 as a ...
0
votes
2answers
17k views

How to install SVN client version 1.8 on CentOS/RHEL 6?

I'm trying to install the SVN client version 1.8 on CentOS 6. I'm using the description on http://tecadmin.net/install-subversion-1-8-on-centos-rhel/ All activities are running successful without ...
2
votes
3answers
2k views

Unable to install X11 server on RHEL6

I am tring to install X11 server on a RHEL6 server yum groupinstall "X Window System" "Desktop" "Fonts" but I am getting the following error: Error Downloading Packages: ...
3
votes
1answer
920 views

munin requires perl(RRDs)

I'm in RHEL6.3 and I'm installing munin from epel http://download.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm I already solved all dependencies except this one : Error: Package: ...
-1
votes
2answers
502 views

How can I scan a IP & Port range to get information about all SSL certificates in use

From a Linux system, for a given IP range I need to check each open port to see if an SSL certificate is in use. For example, I would like to check ports 1 - 9999 on the address range ...
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votes
3answers
538 views

Enable Passwordless Sudo with Arguments

I am trying to enable passwordless sudo for updating yum on a RHEL box. I have the following line in sudo visudo. myuser ALL=(ALL) NOPASSWD: /usr/bin/yum update After doing this under myuser I am ...
0
votes
0answers
1k views

squid authentication error kerberos - windows active directory

I use squid on RHEL6 and I want that authentication is via AD windows 2008, I already joined the server to the windows domain and all users is already seen by wbinfo -u wbinfo -g but wbmin -t show ...
1
vote
2answers
3k views

Nagios CHECK_NRPE: Error receiving data from daemon. RHEL 6

So I'm trying to set up a Nagios check_load service on a Red Hat server. I followed the documentation from Red Hat to install the NRPE client: ...
0
votes
0answers
35 views

What is the relationship between iproute2 and distro config files?

For various ip manipulation activities, what is the difference/relationship between iproute2 and modifying the distro's config files? For instance, some sources recommend ip address del for deleting ...
0
votes
0answers
253 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 ...
0
votes
0answers
467 views

RHEL/Centos 6 Cluster multi-site configuration with Pacemaker and split brain situation

I would configure a 4-nodes cluster using RHEL 6.5 and Pacemaker as reported in the official documentation ...
1
vote
1answer
569 views

SELinux for RHEL not persistant after reboot

So in the Red Hat exam they want you to use SELinux. If for example you install vsftp, then do setsebool -P ftp_home_dir=1 or setsebool -P ftp_home_dir on to allow the users on the server to access ...
3
votes
1answer
132 views

RHEL6 httpd Root CA configuration

I'm setting up SSL on a RHEL6 box and I'm having problems finding information about configuring the Root CAs. I've got four files: cert.crt - My SSL certificate my_key.key - The key used to ...
0
votes
1answer
478 views

Anonymous User Can't Delete file from ftp

I've created a new directory in /var/ftp with the name uploads the owner and group of this directory is ftp the permissions are set to 777. Content of my vsftpd.conf file anonymous_enable=YES ...
1
vote
0answers
223 views

Pure-ftpd 0 bytes Upload

hopefully someone will be able to shed some light on this one. We currently have a Pure-ftpd service installed on a RHEL6.5 server accepting connection from a client who drops files ever X hours. ...
1
vote
0answers
565 views

rhel 6.4 pip with proxy error : name or service not known

the pip command pip search statsd --proxy=http://anadi.misra:XXXXXXXXX@192.168.200.77:8080 Now my password contains an @ too so I give the encoded form in password; i.e. some@pass is supplied as ...
0
votes
0answers
197 views

Red Hat Network API connection

I'm creating a perl script that connects to the RHN, however I seem to be struggling. The code I have is this: #!/usr/bin/perl use Frontier::Client; my $HOST = 'xmlrpc.rhn.redhat.com'; my $client ...
1
vote
2answers
3k views

Redhat resize Partition

First off, I'm an absolute newbie in Linux, but I've been tasked to automate the process of resizing a partition on RHEL 6.5. The server resides as a virtual machine in VMWare, and we are trying to ...
0
votes
2answers
705 views

What is the alternate command for “kudzu” in RHEL6?

I used "kudzu" command in RHEL5 for scanning new devices connected to the server. But i am getting "command not found" error when I try the same in RHEL6. What is the alternative command for scanning ...
5
votes
2answers
6k views

Why is Linux kdump not writing to /var/crash?

It's happened again! I have 4 servers which are crashing periodically, and there is no information printed to the system logs or the serial console. In addition, the Linux kdump service isn't writing ...
3
votes
2answers
2k views

What is the difference between “su --command” and “su --session-command”?

Running # su - oliver --command bash gives a shell but also prints the warning bash: no job control in this shell, and indeed Ctrl+Z and fg/bg don't work in that shell. Running # su - oliver ...
0
votes
1answer
763 views

Permissions denied on apache rewrite module virtual host configuration

All of a sudden I keep getting "Permissions denied" on apache 2 virtualhost once we moved it to its own conf file. I have tried all the suggestions I have found here but none work. Please can someone ...
0
votes
1answer
186 views

Linux/RHEL6: Sending output to console and returning to a prompt

I'm disabling Ctrl-Alt-Del on a RHEL6 server and enabling Alt-SysRq. In the /etc/init/control-alt-delete.conf file I have commented out the exec /sbin/shutdown -r now "Control-Alt-Delete pressed" ...
2
votes
2answers
269 views

Is it possible to persist selinux port statements across reboots?

Currently we need to run something like this every time we start up: /usr/sbin/semanage port -a -t memcache_port_t -p tcp ${special-snowflake-port} It would be great if we could persist this across ...
1
vote
2answers
4k 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 ...
-1
votes
1answer
502 views

RHEL 6.5 / Updating MySQL [closed]

Currently running RHEL 6.5 and need to update to MySQL 5.5.36. Currently it has MySQL 5.1.73 installed. The Software Collections repo has been added. I performed a yum update and it does not show me ...