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)

2
votes
1answer
27 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
2answers
34 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
28 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 ...
1
vote
1answer
31 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 ...
0
votes
2answers
58 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 ...
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?
3
votes
3answers
256 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 ...
2
votes
1answer
41 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 ...
-1
votes
0answers
26 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
0answers
21 views

linux virtualization + Qmenu [closed]

Can someone explain what is actually the Qmenu (http://wiki.qemu.org/Main_Page) I need to install on my linux machine ( red-hat )different 4 virtual machines by OpenVZ so How the Qmenu can bring ...
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
39 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 ...
0
votes
0answers
8 views

Distribution-agnostic network interface configuration tool? [closed]

I've come across netcf but it looks like it doesn't support Debian? Anyone know of something similar?
0
votes
0answers
23 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
21 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
2answers
31 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 ...
0
votes
0answers
20 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 ...
2
votes
1answer
40 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 ...
1
vote
1answer
62 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
30 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
24 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
32 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 ...
2
votes
1answer
24 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 ...
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
2answers
665 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 ...
0
votes
0answers
42 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 ...
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 ...
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 ...
-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 ...
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 ?
0
votes
0answers
37 views

Failed to load module pk-gtk-module

I am running RHEL6 and I am sshing into a linux server. Every time I open gvim or emacs, I get this error $ gvim Gtk-Message: Failed to load module "pk-gtk-module": libpk-gtk-module.so: cannot open ...
0
votes
0answers
23 views

Dual HBA's link status and WWN's

I try to configure a brand new SAN configuration with RHEL 6.6. SAN team requested host wwn's for zoning, which I believe are individual hba's wwn's. Anyhow here is my scenario: My hba's are dual ...
1
vote
1answer
33 views

Can't use ctrl+c to kill process in VM

We are running several RHEL 6 64-bit VM's in a vBlock infrastructure using vCenter 5.5. If I open a console session through the vSphere web client the ctrl+c keystroke will not work. This is very ...
1
vote
1answer
48 views

date and hwclock not in sync - why

I am on GMT+8 and I set my hwlock to UTC. [root@sjoam2 ~]# date Sat Aug 1 16:32:04 SGT 2015 [root@sjoam2 ~]# hwclock --systohc --utc [root@sjoam2 ~]# hwclock --debug hwclock from util-linux-ng ...
0
votes
2answers
47 views

SL7.1 (EL7.1) realm discover not discovering

Dabbling with joining an SciLinux 7.1 (EL7.1) box to an AD domain running on windows 2008R2 64bit. Following the Red Hat Enterprise Linux 7 Windows Integration Guide: $ sudo realm discover -v ...
-1
votes
2answers
59 views

Redhat enterprise server 7.1 x86_64 installation fails

Error code is 256; my machine is amd phenom ii asus m5a78l-m based. I am using bootable flash drive. Description of error is packages/xfs...noarch.rmp couldn't be taken from anaconda. I tried two ...
-2
votes
1answer
15 views

RHEL6 undo virtual client rhel6 [closed]

I am running rhel6 on my laptop. I was playing with the Open Client Go Virtual and accidently installed a KVM image of RHEL6. It runs the full virtual machine. I want to unregister, delete and reclaim ...
1
vote
1answer
41 views

yum update doesn't have any update?

Recently, I clean up the yum cache, then I found that I don't have any update when I do yum update. I am not sure whether there is actually no update or something is wrong. yum clean all rm -rf ...
0
votes
1answer
41 views

Patch Management — KPI Dasboard

Good day fellows, I'm looking to build a centralised dashboard to track the patch management KPI from our organisation, including workstations (Windows) & servers (Linux/Windows). Basically, ...
0
votes
2answers
40 views

ssh user@localhost vs user@servername

I am working with 2 servers (Redhat enterprise 7). When i ssh both of them. One is showing user@localhost where the other is showing user@servername. I would expect to have both like user@servername ...
0
votes
1answer
53 views

RHEL6 installed wrong version of rpmforge

I installed the wrong version of rpmforge for el7. Then I ran an update which installed this package on my system python-crypto-2.6.1-1.el7.rf.x86_64 Notice the el7 but I am on rhel6. I then ...
0
votes
0answers
7 views

Connect a redhat server that is under a vpn to internet

I have to configure the environments of like 10 redhat servers(dbs, stash, test, dev, production), but those servers are under a VPN and they have no internet access, I can connect my company mac to ...
0
votes
0answers
21 views

Building php v5.6.9 for use with Apache 2.4 on CentOS 6.6

I'm using Webtactic's PHP 5.6.9 src rpm to build a Software Collection version of PHP that I can use with Apache 2.4 on Centos 6.6. Andy Thompson has already written all the SCL RPM macros into the ...
0
votes
0answers
55 views

how to update a package in ubuntu 10.04

So I don't have much server experience so please bear with me... I working on a system with ubuntu 10.04 and have installed a program called pdftk. When I ran apt-get install pdftk, it successfully ...
0
votes
0answers
94 views

Centos 7 autofs mount doesn't work right after reboot

I've setup autofs on Centos 7. However, it seems like after reboot, it took some time to mount /home/ directory, even when I 'cd' into it. It only succeeds after 3 tries: [root@localhost ~] cd ...
1
vote
1answer
56 views

Changing I/O scheduler for SSD

I have many CentOS systems, some of them have traditional hard disks, some SSD, and some mix of them. I would like to change scheduler for SSD to deadline. So at runtime I can simply scan check ...
0
votes
0answers
28 views

Unable to start Docker Container

I'm trying to run docker container from an image that I pulled from my laptop onto our test servers. However, I received this error when I tried connecting: $ docker run --name debian-pg1 -p ...
0
votes
1answer
28 views

Logs during rpm installation

I'm able to obtain logs in /var/log/message while installing a package using yum, but I'm not able to find logs when a package is installed using rpm. Is there any option to log rpm ...
0
votes
1answer
39 views

Installing PHP 5.2 on RHEL 7.1

We are planning to move to Amazon EC2 server. Our current server version RHEL 5.5 and PHP 5.2. We are planning to configure Amazon RHEL 7.1. Does RHEL 7.1 support downgrading PHP version to 5.2. I'm ...