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How to resize LVM in Redhat

I have a VM with Redhat 6.8 that originally started with a 60GB disk 1. In VMware I increased the size to 100GB. I would like to increase the /tmp volume from 2GB to 5GB. I assume I need to resize the ...
-1
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1answer
20 views

Installing IDE and GUI inside Elastic Beanstalk

I am attempting to make a development environment in elastic beanstalk, which will be similar to a production environment. I would like to have an IDE installed in the environment, and have ...
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1answer
22 views

RHEL 5 YUM Python Throwing Traceback and Timeout errors

I know, the first thing I should do is upgrade to RHEL 6 or 7, but unfortunately, I'm stuck on it for the time being. I have been running into this error using any yum commands. The rpm command works ...
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2answers
55 views

IPTables won't start automatically after reboot - Red Hat 7

In Red Hat 7 I'm trying to force the IP tables service to start automatically after reboot. Currently, after every reboot I need to run the command: sudo systemctl start iptables I've tried setting ...
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0answers
70 views

Q: RHEL, SSSD, Active Directory

Good afternoon folks. I've been perusing various posts already about getting linux systems to authenticate using AD, but haven't seen anything approaching what I'm beating my head against. There's a ...
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5answers
48k views

How to update cURL CA bundle on RedHat?

I am running into issues where the CA bundle that has been bundled with my version of cURL is outdated. curl: (60) SSL certificate problem, verify that the CA cert is OK. Details: error:14090086:SSL ...
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38 views

Allow domain group ssh access

Centos 7 joined to 2012 R2 AD domain Joined to AD domain with realm join and now I can ssh in as any domain user (ssh server -l domusr@lab.local) I can also login to the local console via domusr@lab....
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1answer
27 views

Trying to restrict ssh access to domain groups

Centos 7 joined to 2012 R2 AD domain Joined to AD domain with realm join and now I can ssh in as any domain user (ssh server -l domusr@lab.local) I want to only allow certain domain groups to ssh in ...
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1answer
4k views

Enter BIOS in virtualized RedHat Enterprise Linux running in KVM

How can I enter BIOS in a virtualized RedHat Enterprise Linux 5.6 running in KVM ? I can send Ctrl+Alt+Delete, but GRUB boot loader loads up so fast I cannot press F2 / Delete.
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24 views

SSL Cipher Mismatch Tomcat RHEL

I'm deploying a Tomcat web server with an SSL certificate. I've created the keystore and have received and installed the certificate back from the certificate vendor. However, I receive '...
24
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5answers
17k 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 ...
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2answers
104 views

Why does Debian have RPM and Yum packages?

I know that Debian comes with an awesome package manager called APT which is capable of installing .deb packages. I know that RHEL comes with a package manager called Yum and is capable of installing ...
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3answers
10k views

Understanding RedHat's recommended tuned profiles

We are going to roll out tuned (and numad) on ~1000 servers, the majority of them being VMware servers either on NetApp or 3Par storage. According to RedHats documentation we should choose the ...
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0answers
17 views

Issue while installing ibm_db on RHEL with easy_install

easy_install ibm_db error: Searching for ibm-db Reading https://pypi.python.org/simple/ibm_db/ Best match: ibm-db 2.0.7 Downloading https://pypi.python.org/packages/54/8a/...
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0answers
22 views

What append options are needed to do kickstart install of Red Hat 6.6?

So I'm trying to install RHEL6.6 over PXE. I have my kickstart file and my iso, but it seems the options I'm specifying in the append section of my default file are not being read. I would like to ...
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1answer
50 views

yum + list all available security updates without installing them, on redhat 5?

To list all available security updates without installing them, I run this and this syntax is working on redhat 6 and 7 # yum list-security --security please advice what is the syntax for redhat ...
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1answer
311 views

Ansible Playbook: Ensure a process is running on any one node of a cluster?

Ansible makes it easy enough to ensure that a process is running on every host. I could do something like: --- - hosts: app_cluster tasks: - name: Look for the "foo" process shell: ps -ef |...
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0answers
121 views

Why and How to set Public IP on Loopback Interface

I been using this forums for many years and this is the first time im in need to open a question, i search across the internet but i could not get an specific and clear answer, probaly because i dont ...
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1answer
26 views

frequent delay of 5-10 sec in sending commands from putty redhat. Why?

When we type a command from putty, it suddenly hangs for a period of 5-10 sec or more, but the commands are sent to terminal later. So seems to be a latency which occurs frequently. But, I might be ...
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3answers
1k views

Unable to join domain using samba tool net or realm/sssd

On a rhel7 server I am trying to join the server to a domain, but I am getting the following failure: net ads join -S domain.example.org -U name Enter name's password: Failed to join domain: failed ...
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0answers
70 views

Redhat 6.8 - Where to install php-mssql

I tried following tons resources online to install php-mssql on Redhat 6.8 by using the Extra Packages for Enterprise Linux (EPEL) repo and it says that "No package php-mssql available". I made sure ...
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2answers
2k views

pam_tally2 or pam_faillock account lockout with ssh

I'm running RHEL 6.2. Most users will be using SSH to login using passwords. Some might have keys. All accounts are local. I need to lock users out after N failed password logins. The examples in ...
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1answer
47 views

How to verify if an rpm was installed from scratch or upgraded?

we installed the following rpm's via yum on redhat version 5 # rpm -qa --last | head -10 kernel-headers-2.6.18-408.el5 Wed May 18 13:33:59 2016 bind-utils-9.3.6-25.P1.el5_11.6 ...
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0answers
31 views

Finding Lynx for RHEL 6

Today I tried tried running $> apachectl status and got the following message: apachectl: line 95: lynx: command not found No problem, guess this server doesn't have lynx installed. My ...
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0answers
38 views

Check if RHEL certs have been updated

I have a sample .pem file placed in /etc/pki/ca-trust/source/anchors, and I have run update-ca-trust, but I'm not sure how I can check if the command actually worked. I tried to cat /etc/pki/tls/certs/...
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3answers
77 views

Linux kernel decision making process for routing table

I have question about routing procedure in linux kernel . Below is the version I am using. [root@server230 ~]# cat /etc/redhat-release Red Hat Enterprise Linux Server release 7.1 (Maipo) [root@...
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5answers
9k views

How do I install a yum package group with puppet?

Does puppet have a way to install a yum package group (e.g. 'Development Tools'), besides exec?
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0answers
28 views

RedHat Satellite/Katello and Hiera

I'm using RedHat Satellite 6.1.1, and am successfully syncing Puppet modules from a local forge into the Katello part of Satellite. However, I'm not sure how to go about syncing my Hiera data. ...
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1answer
392 views

Having trouble installing MySQL Community Server on new RHEL 6.8 instance

I'm having trouble installing MySQL 5.7.12 on RHEL 6.8. The first RPM I downloaded was for RHEL 7.0. This is a brand new instance, and I stupidly assumed it would be RHEL 7. It's not. So my ...
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2answers
34 views

blockdev report different blocksize if mounted

I have a proliant running Red Hat 7, with two data disk with raid 1 (hardware raid). I created the file sytem using this command: mkfs.xfs /dev/sdb Default block size for xfs is 4096. So ...
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0answers
40 views

How can I configure a single-node cluster on RHEL 7?

For particular purposes, I'd like to know how can I configure a RHEL 7 HA cluster with only one node (of course, no HA will be available in this scenario). The following article says that single-node ...
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2answers
59 views

postgresql on iscsi that refuses to start … on server's boot - Redhat 7.1

I installed a postgresql database on Redhat 7.1 and I decided to move the database on an ISCSI device (LUN) inside a logical volume, mounted at starting of the machine (xfs formatted). The mounting ...
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4answers
334 views

Disabling SeLinux

I'm not sure if I remember when I installed red hat 5 on my server. So how I can be sure whether selinux is disabled or not?
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2answers
39 views

nginx permission issue serving static file - RedHat 7 SELinux issue

This is a new installation which I followed the passenger+nginx guide. This will eventually be a rails site, but for now I am trying to get static files to serve, and am unable to figure out the ...
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4answers
2k views

update to samba 3.6.23-30 on RedHat server 6.7 breaks connections from clients on AD forest

I have a Samba server (version 3.6.23-30) running on a RedHat Enterprise sever version 6.7. It is joined to Active Directory, and authentifies the users to AD. Winbind is not running ("Winbind is not ...
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0answers
29 views

yum-cron emails going to root instead of specified user

I have several RHEL 6 servers that I have configured yum-cron to run on. I have configured them to send email output to my address. The problem is that all but one of the servers are still ...
1
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1answer
85 views

How to set up an SMTP Relay Server

I have 2 servers (X and Y) and an SMTP server for sending emails. X needs to send an email using the SMTP server, however it cannot resolve the host for the SMTP server. This is inevitable and I need ...
0
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1answer
31 views

MYSQL datadir renames itself after rebooting server

I've mounted MySQL datadir to separate disk due to space constraint in the Redhat server. The problem occurs whenever I rebooted my Server. After the reboot, the existing MySQL datadir i.e., Mysqldata ...
57
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4answers
13k 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 ...
1
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2answers
63 views

rhel7, apache2.4 - 403 forbidden with symlink

I googling many many info about this, but none of the proposed solutions did not help me. What i have: clean rhel7 system clean apache 2.4 web dir: /var/www/domain.com/public_html symlink: /var/www/...
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votes
2answers
1k views

How can I install the latest Image Magick on RedHat Enterprise 6.6?

I am trying to install the latest ImageMagick (at least 6.8) from the RPM's available here on my RedHat Enterprise server Distributor ID: RedHatEnterpriseServer Release: 6.6 Codename: ...
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0answers
28 views

How to emulate or make multiple iSCSI software initiator IQNs on RHEL RedHat 7?

I have 2 Ethernet HBAs with 2 ports each, all 4 ports are connected to iSCSI targets and I can login using iscsiadm command. But the iSCSI initiator name (IQN) for all 4 ports is one, in /etc/iscsi/...
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0answers
22 views

Mount a Windows share on Linux boot without storing the password

Is there a way to do this? Most examples store the credentials in an external file to fstab e.g. - fstab: \\server\share /media/windowsmount cifs credentials=/root/secret.txt,_netdev,uid=root,gid=...
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0answers
14 views

Using chkconfig to implement auto-start on RHEL7? [duplicate]

I'm moving an in-house application from RHEL6 to RHEL7 servers. I read you should still be able to use chkconfig and service commands to install start/stop scripts, even if they have now changed to ...
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0answers
21 views

RHEL resolv.conf search domains ordering constraints?

I can't seem to find anything (Google, man pages) on what the order of the search line should be used when searching for a host against DNS with multiple levels of subdomains. host and dig work ...
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2answers
842 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 ...
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2answers
64 views

Running a service as root in RHEL 6

I am trying to force Kibana to listen on port 80 therefore it needs to run as root. How can I do this? The init script is as follows: #!/bin/sh # Init script for kibana # Maintained by # Generated by ...
2
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1answer
180 views

Why are some RPM's “not relocatable”?

An RPM is relocatable if you can install it like this: rpm -ivh --prefix=/path/to/non/default/dir package-name.rpm Without getting the following error message: error: package package-name is not ...
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0answers
46 views

High TLB Shootdown Counts are Affecting Performance

We are running an app in JBoss EAP on RHEL 6.7 and are experiencing significantly different performance across the cluster. Of the 8 VMs, most will respond to requests in ~200ms but one or two will ...
0
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2answers
54 views

EPEL Repo GPG Key Working?

I followed the below steps to grab the EPEL GPG key and I'm trying to verify if it's working. This is on a freshly installed RHEL7 system. Repo: https://dl.fedoraproject.org/pub/epel/7/x86_64/ # cd /...