Red Hat is an open source technology solutions provider with offerings including Red Hat Enterprise Linux, open source applications, security and systems management, virtualization, Services Oriented Architecture (SOA) solutions, server and desktop operating systems, Java application software and ...

learn more… | top users | synonyms (1)

0
votes
3answers
63 views

Cannot login to RHEL6 server as any user except root - Says home directory cannot be found and shell permission is denied

As the question above states, I have a RHEL 6 server that is designed for SSH access, with root unable to login through SSH by design. When I am at the server locally I can login as root, but only as ...
4
votes
2answers
57 views
+100

yum updates - are .rpmnew files ever critical / important to act upon?

When yum installs updates sometimes, it will give some message like: warning: /etc/ssh/sshd_config created as /etc/ssh/sshd_config.rpmnew My thought is that it would be wise to act upon these ...
0
votes
2answers
3k views

Can I have virtio-win package on CentOS?

In "Red Hat Enterprise Linux 6. Virtualization Host Configuration and Guest Installation Guide" in chapter 10.1 "Installing the KVM Windows para-virtualized drivers" it says: The virtio-win ...
1
vote
2answers
5k 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
1answer
36 views

tshark packet capture performance CentOS 6 v CentOS 7

I am attempting to capture approx 20mbit/sec worth of traffic continuously with tshark. If I capture packets with tshark on CentOS 6.5 I get around 4% to 66% packets dropped. If I do the same thing on ...
10
votes
3answers
28k views

How to “restart” particular network interface on RHEL?

In RHEL, instead of using service network restart command, how can i restart a particular network interface, lets say "eth1", with only one command. "Only one command" because that is the only ...
1
vote
2answers
35 views

Get a file's ctime, atime, mtime and extended attributes

I would like to display a file's ctime, mtime and atime along with whether it has extended attributes or not. There are 2 commands that can do this but I have not been able to combine them into a ...
0
votes
1answer
467 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 ...
2
votes
1answer
31 views

firewall-cmd reject destination address

I'm using following: # cat /etc/redhat-release CentOS Linux release 7.1.1503 (Core) # rpm -q firewalld firewalld-0.3.9-11.el7.noarch # I'm trying to block specific IP address (10.52.208.220) from ...
1
vote
1answer
37 views

HP Proliant BL460c Gen1 , Redhat 6.5 installation

I have been trying to install redhat 6.5 on HP Proliant BL460c Gen1, and when installation completes, it fails to boot from harddrive. It just gets stuck on "Trying to boot from harddrive (C:). Does ...
3
votes
1answer
2k views

clvmd problems during the RHEV cluster deployment

We are deploying Red Hat Enterprise Virtualization cluster and we faced a problem attempting to start clvmd service after the lvm partition creating. The following has been completed successfully: ...
3
votes
3answers
258 views

How to SSH after remotely restarting Redhat and enter recovery mode

I need to enter recovery mode of my redhat box which is running remotely on a virtual machine. OS: RedHat 5 64-bit Enterprise Edition I am logged into the box using SSH. I can restart using the ...
0
votes
0answers
4 views

NFS: Broken NFSv4 server ctmlog is returning a delegation for OPEN(CLAIM_DELEGATE_CUR) what means?

On Red Hat Enterprise Linux Server release 6.6 found this entry in dmesg, but I cant find any solution how to fix it. dmesg is full with this entry marked in Title! Any idea?
1
vote
2answers
3k views

“Cannot fork: retry…” error in RH5. Need info on nproc

We had a server effectively go down this morning. SSH access cut out, and at least temporarily network access went down as well. We were able to log in using out-of-band access and were presented with ...
3
votes
2answers
717 views

CentOS 6.6 (Final) - yum kernel upgrade troubles

Well-being everybody, I'm a SysAdmin Junior managing 3 CentOS Virtual (Web)Servers, this morning I'm facing some troubles with package manager yum. As usual operation, this morning I've run the ...
-1
votes
0answers
31 views

yum install httpd - not installing rpms required

As part of prep for the Red Hat Cert test, I am trying to install httpd onto a Red Hat 7 system. [root@localhost amcdermott]# yum install httpd Loaded plugins: langpacks, product-id, ...
0
votes
1answer
40 views

How to Find and Expose the Ethernet Interfaces in a RHEL5 Iimage dd-ed to a Different Machine

We captured the disk image off an IBM PS-703 (P-Series, i.e. Power-PC) BladeCenter using dd. in rescue mode. The image is RedHat 5.11. The goals were to have a backup image of the server and to be ...
1
vote
1answer
24 views

Wget, abort retrying after failure or timeout

I'm calling a url with wget: /usr/bin/wget --read-timeout=7200 https://site_url/s Wget performs a GET request every 15 minutes in this case, despite the timeout being set, why does this happen? ...
0
votes
1answer
156 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
0answers
25 views

How to implement gzip compression in such a way that the files compressed path is stored as relative path rather than absolute path?

I am trying to implement gzip compression in my Application server machine but when it is served through the proxy(different machine) to the front end the css files are getting broken due to the mixed ...
0
votes
0answers
25 views

How to enable SNI with Apache in Redhat 5.11

I am on redhat 5.11. I want to enable SNI with apache, but I only have Apache/2.2.3 + OpenSSL 0.9.8e-fips-rhel5. I am in a very similar situation like this ...
2
votes
1answer
41 views

SELinux not enforcing apache write restrictions despite being enabled

Problem in a nutshell: SELinux does not protect files and directories labeled as httpd_sys_content_t from being written, deleted or changed when new/custom document root is created. I have ...
5
votes
1answer
22k views

Cannot find open shared object file libjli.so — no such file or directory

On 64-bit RHEL5 running Java 1.6.0 update 16, root can successfully run a Java program but a user can't because libjli.so supposedly can't be found. SELinux is turned off and the environment is the ...
8
votes
4answers
28k 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..
2
votes
2answers
32 views

Passwordless SSH Solaris->RHEL without ever prompting for password

I need make a script to SSH from a Solaris machine (A) to an RHEL machine (B) (actually it's Oracle Linux). Is it necessary to enter B's password at some point? I want to automate the process with ...
2
votes
3answers
1k views

User account automatically filling up with dead.letter file

I have one user account on a server with about 400 accounts that is filling up automatically. The dead.letter file in the users home directory automatically grows until the account is full (about 10 - ...
0
votes
0answers
22 views

amazon server using RedHat EL 7 on port 3306 so that i can access mysql database remotely

I want to remotely access mysqld on port 3306 but when hen i telnet from public ip address i get a connection time out error. Whats happening here. But within the server telnet is working just fine ...
1
vote
1answer
67 views

“Allowed memory size of 67108864 bytes exhausted” when PHP memory limit is set to 128mb

Forgive me if this is the wrong place; was unsure whether to post this on SO or here. I'm getting the above error from a script, implying that I've reached the limit of 64mb of memory for the script. ...
-1
votes
1answer
32 views

Problems with Booting “red hat”. disk volumes issue

I recently installed the Red Hat 6 OS on HP proliant server. This server has 8 1TB drives. I created two volumes RAID 5 each having four hard drives (and 2.7TB). On one of the volumes, I installed ...
0
votes
1answer
25 views

CentOS 7 (1503) - BIND9 new install not responding to external DNS requests

I am trying to set up an authoritative BIND server and every time I run into the same problem on CentOS. I can run the dig command locally for zones on the server however when I run nslookup - ...
0
votes
0answers
33 views

Different versions of glibc RedHat

Before I jump into the issue, I am using RedHat 6.5 and have no access to the internet to download yum updates due to environment restrictions. All I have in this case is the CD ROM (RHEL 6.5) to ...
0
votes
1answer
17 views

Apache: MaxSpareServers vs. ServerLimit?

I'm currently investigating an issue with some of our servers where Apache processes end up eating a lot of memory to the point of hitting the swap file and causing the server to be unresponsive if ...
3
votes
2answers
3k views

Windows 7 Samba issue

We have a strange samba issue affecting only one user. Our samba setup is as follow : Red Hat Enterprise Linux Server release 5.4 (Tikanga) - Samba Server Samba version 3.0.33-3.14.el5 ...
1
vote
1answer
1k 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 ...
4
votes
4answers
2k views

Serial Over Lan doesn't redirect OS terminal

I'm trying to create a monitoring system for a remote machine using an IPMI Serial Over Lan (SOL) console. The remote OS is RHEL 6, the mobo manufacturer is Supermicro. I've successfully enabled SOL ...
2
votes
1answer
27 views

Error when upgrading libcurl with yum on RHEL 6.6

I am trying to update libcurl on a RHEL 6 server by means of yum update libcurl. When I do this I get the following error: Resolving Dependencies --> Running transaction check ---> Package ...
11
votes
2answers
56k views

How do I know if IP Multicasting is enabled on my network?

Is there a way to know if the Red Hat Linux Servers on my network have IP Multicasting enabled? The output that I get by running the cat /proc/net/igmp command is the following Idx Device : Count ...
0
votes
0answers
48 views

unable to query the systemd journal with journalctl

I'm using Red Hat Enterprise Application Platform 6.4.2.GA on following system: # cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 (Maipo) # uname -a Linux X ...
1
vote
1answer
3k views

smbclient directory listing gives NT_STATUS_ACCESS_DENIED

I have been looking around to no avail. RHEL 6.4 I can run the following from a remote server, and successfully authenticates against LDAP: smbclient -L //tric4t/share -U username Once I run ...
2
votes
3answers
1k views

SVNAdmin Load Returns Checksum Mismatch

I'm trying to load a svn dumpfile onto my RHEL server. The dumpfile was loaded from our old Ubuntu server and I used svnadmin create reponame and then svnadmin load --quiet reponame < ...
0
votes
0answers
25 views

RedHat Cluster 6 node won't see shared volume group

I try to create a shared clvm volume group shared between 2 nodes of a Red Hat Cluster 6. Here is the procedure I followed: [root@node1 ~]# pvcreate /dev/mapper/mpathab [root@node1 ~]# vgcreate -c y ...
3
votes
1answer
3k views

yum client doesn't see new packages though server is updated

We have an internal yum server containing several repos (copies of the RHEL repo, programs created in-house, and so on). Our internal systems are firewalled off from the internet, so they can only use ...
1
vote
1answer
36 views

memory high issue on RHEL server?

18105 /wm/www/tmmy/ 2.2 1128256 1683020 16961 /usr/sbin/httpd 2.4 1201668 1692788 27746 /usr/sbin/httpd 2.4 1217296 1701612 31519 /usr/sbin/httpd ...
2
votes
1answer
27 views

how can tmpfs larger than SHMALL parameter?

The amount of Shared memory being utilized: #> df -h /dev/shm Filesystem Size Used Avail Use% Mounted on tmpfs 125G 96G 30G 77% /dev/shm The max amount of shared ...
0
votes
3answers
2k views

Cannot perform a PECL installation

I have been trying to do a few PECL installations, but all of them return the same type of error. Something related to timezones? Im running RedHat x86_64 es5. Attempting to install geoip-1.0.7: ...
18
votes
3answers
50k views

How do I enable apache modules from the command line in RedHat?

How do I enable apache modules from the command line in RedHat? On Debian/Ubuntu systems I use a2enmod to enable modules from the command line. Is there an equivalent for RedHat/CentOS type systems? ...
-3
votes
2answers
42 views

Trouble with NTP Sync between ntp servers and VMs

I have many VMs on production that run vmware, with vmtools running and the sync between ESXI and hosts is disabled. I run ntp client on all hosts, the OS of hosts is RHEL. The problem I have is that ...
1
vote
1answer
17 views

Error: Package: libmodule-10.0.0.1826-b10_0_0_1826.x86_64 (installed)

I am getting the following messages when running yum update on my RHEL 6 server. I have tried searching on the libmodule-10.0.0.1826-b10_0_0_1826.x86_64 package and dependencies but can't find a ...
0
votes
1answer
1k views

NFS lock not working properly

I'm getting the following error on an oracle database. ORA-27086: unable to lock file - already in use It tries to lock a file that resides in an NFS mount. The NFS is on a loopback setup (long ...
0
votes
1answer
12 views

is it possible to use cobbler using windows dhcp server or without dhcp?

I want to configure cobbler in my network but my network already managing by a windows 2k8r2 dhcp server. Is it any way to configure without dhcp server ?