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12 views

In a virtual lab environment, I have a pxe server timing out

I've built a pxe server using CentOS 7. The client times out with a message of: Connection timed out (http://ipxe.org/4c126035) When I look at that link, it says 528 rc = -ETIMEDOUT;, but ...
3
votes
3answers
46 views

how to change the startup order of linux init scripts in Redhat, Centos

From this changing How to change Linux services startup/boot order? changing the values of the symbolic links it is evident that startup order is changed. In debian derivatives we use ...
-1
votes
0answers
24 views

Why server shows time out for 5 second then connecting in redhat linux

I have a DHCP server configured in Red Hat linux , there are two NIC Cards there , one connected to LAN and other connected to WAN , But i am losing internet for 5 second in one minute and this cycle ...
2
votes
2answers
146 views

RHEL Nginx SSL versus non SSL performance huge difference.

I'm in the process of setting up an Nginx 1.8 reverse proxy. In short - Serving HTML content HTTP traffic is up to 50x faster than HTTPS. Serving ProxyPass HTTP traffic is up to 7x faster than ...
-1
votes
1answer
22 views

how to find out the clients connects to the proxy server in redhat linux

Is there any way to find out the client machines connected to the particular proxy server in redhat linux , i am using redhat linux version 6 and squid configured in it
0
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0answers
7 views

localuser.sh hanging in RHEL

As per my need i want to do the following on startup of RHEL. a) add route to path b) start an application name myapp stored in /root/Desktop/app for this i made a shell script named startMyApp in ...
0
votes
1answer
18 views

How to convert ip configuration from dhcp to static using nmcli?

is there a way to use nmcli to convert dhcp acquired IP configuration (IP,Mask,Gateway,DNS) to static configuration? Preferable in a way that i can use in a script? Thanks
1
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0answers
47 views

How can I distinguish between SAN zoning and LUN assignment issues on RHEL6?

From Red Hat Enterprise Linux 6 how can I tell the difference between a SAN zoning problem (e.g. cannot reach the storage at all) versus a LUN masking issue (e.g. LUNs not assigned to the right HBA ...
0
votes
1answer
21 views

rsyslog server listen only on tcp 514

I'm trying to set rsyslog client- server to listen to tcp messages with port other then 514, however it doesn't work. Only when using 514 it receives messages. I'm using EC2 vms. input(type="imtcp" ...
-2
votes
0answers
20 views

Linux Qualification for Junior Developer [closed]

I am junior developer working in Ruby, Python and JS day to day but am trying to build my skill set and get some qualifications on my CV. I am doing this for several reasons, I want to work overseas ...
2
votes
0answers
14 views

SELinux: manually changing files in /etc/selinux/targeted/contexts/files/

I'm setting up a CentOS 7 server in which the /home directory has to be located on another partition and then mounted with bind-mount. So: /data/homes should be bind-mounted to /home. The problem is ...
2
votes
1answer
16 views

How to properly configure a classless reverse zone in BIND 9

I'm trying to configure reverse DNS for a sub Class C block. My ISP has delegated 128/25.2.0.192.in-addr.arpa. I've spent a good few hours reading everything I can find on classless reverse map ...
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0answers
18 views

fcoemon: error response from lldpad: error

I have created and configured the red hat cluster and as I was just going through logs to see if every thing is fine, thats when I saw these errors. Not sure whats with these errors. Please advise. ...
0
votes
1answer
28 views

How to make node join the cluster (Pacemaker, Corosync 2 node setup) automatically after disconnection / unplugging?

I have a 2 node cluster running Corosync and Pacemaker. If I physically unplug the network cable on one node, the other one becomes standalone. But when I plug the network cable back in, I want it ...
-5
votes
1answer
44 views

Can I remove a directory “Cancer ” and leave all other sub directories intact for directory “/home/John/Cancer/MillionDollars”?. Bash / Linux [closed]

Get rid of directory “Cancer” but keep directory “Million Dollars” Directory: /home/John/Cancer/MillionDollars Desired Directory: /home/John/MillionDollars This is for later ...
6
votes
1answer
199 views

What does the “1:” before the package name mean in yum.log

I would be very glad if someone could explain what the 1: before the package name signifies.
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votes
0answers
9 views

How to install a 32-bit JVM on RHEL 7 [duplicate]

Does RHEL 7 support a 32bit JVM? If so, how can I install this onto my RHEL 7? I have a business application that only has 32-bit libraries that I need to run.
0
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0answers
13 views

What is the Red Hat equivalent of the windows “Register this connections Address in DNS”

Hi I have a collection of RHEL6 server each has 3 static IPS and interfaces Currently when we nslookup the hostname from another server it returns all 3 interfaces from the DNS server (windows) We ...
0
votes
0answers
19 views

Use of PTPd on RedHat/CentOS

I need to create a reliable and accurate synchronization between two CentOS 6 machines connected through a direct Ethernet connection. I've seen that on Linux several implementation of the IEEE 1588 ...
0
votes
1answer
55 views

Add latency and random packet drops excluding SSH packets

I want to add some random delay/drop to all packets excluding SSH packets. I can do that to all packets this way: tc qdisc change dev $NIC root netem delay 100ms 10ms 25% tc qdisc change dev $NIC ...
0
votes
0answers
8 views

Preventing privileged users from running “udevadm trigger”

My situation is this: we run Red Hat 6.x for some Oracle database servers, and use udev rules to maintain ownership and permissions of raw volumes (LUNs from SAN) so that Oracle can use them as ASM ...
0
votes
1answer
31 views

RHEL: iscsiadm is not able to login in any port except 3260

Discovery is successful: [root@ncdqd0110 iqn.11351.com.xxx:AAA]# iscsiadm -m discoverydb -t sendtargets -p 127.0.0.1:54541 --discover 127.0.0.1:54541,-1 iqn.2495.com.xxx:AAA Login is failing: ...
0
votes
0answers
18 views

How to I diagnose downloads slowing over time?

I am trying to track down a strange networking problem. Basically, a http download from a tomcat server is slowing down over time. For example, the download speed starts at 700kb, then slows to 650, ...
0
votes
1answer
18 views

Site to site VPN from Amazon EC2 to Checkpoint device

I have an EC2 with Red Hat 7 in AWS and I need to connect it to a network via VPN. I followed the instructions here ...
0
votes
4answers
71 views

Migrating really old RedHat server to cloud

I've got a client with a really, really, really old PHP3 webapp that runs on an ancient consumer-grade PC with RedHat 7.somethingOld. I've got backups of the software and database but he's very tight ...
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votes
0answers
23 views

rhel 6.x - reuse the license after rebuild

I was wondering if it is possible to reuse the same files for reregistering a server after reinstallation. The hostname will be exactly the same: Is there any way to do that by using ...
2
votes
0answers
14 views

Windows directories keeps getting unmounted on two identical Red Hat servers

Was refered here by the kind people at stack overflow. We have a pretty severe problem at my research center. I have, together with IT, set up an infrastructure like this: Users use their laptops at ...
0
votes
1answer
8 views

Display RHEL 7.0 Server in Windows Explorer Network List

How can I get my RHEL to simply show up in the network list in Windows Explorer? I have joined my RHEL to my active directory domain successfully. I can also ping and telnet into the machine from any ...
2
votes
2answers
43 views

Azure Red Hat VM

I see lots of stuff in the news about Red Hat partnering with MS Azure, and articles seem to indicate you can fire up a Red Hat VM on Azure now. But when I go to create a new VM, I can't find Red Hat ...
1
vote
1answer
31 views

Increase the size of ext3 filesystem on RHEL, 2.6.18-128, no LVM

i have to increase the size of my ext3 partition (sdd1) mounted on NetApp LUN (disk sdd, no other partition is mounted here). I already resized the LUN and refreshed new size with iscsiadm. Empty ...
1
vote
2answers
29 views

RHEL with two interfaces - Can't ping/ssh into second interface

I have a RHEL Server 'foo' with two interfaces: eth0: inet addr:172.16.15.75 Bcast:172.16.15.95 Mask:255.255.255.224 eth1: inet addr:172.16.15.242 Bcast:172.16.15.247 Mask:255.255.255.248 ...
0
votes
0answers
20 views

rsyslog working differently when started as service

I have configured rsyslog to read from a file /root/test.log and forward what it reads on TCP If I start rsyslog directly: [root@servername ~]# rsyslogd it works as I expect (yay). However it does ...
0
votes
2answers
18 views

logrotate issue with date appending

I have an Apache server (2.2) running in RHEL 6.3, with the following logrotate configuration: # Rule for Apache logs /var/opt/apache/logs/*log { compress missingok notifempty daily ...
0
votes
1answer
25 views

How to test GeoIP .dat librairie in local

I'm on a projet where I have to implement GeoIP on a Redhat Apache instance. For now, i'm only testing the configuration in local. Here it is : <IfModule mod_geoip.c> GeoIPEnable On ...
0
votes
0answers
34 views

Unmask permissions on Linux RHEL (AWS EC2)?

I've installed a AWS Linux EC2 instance. I have multiple users who should be able to edit each others files, including new ones that are uploaded. The Linux default is RHEL. I understand that I can ...
0
votes
1answer
13 views

Multiple Users on Apache and Linux and Invalid permissions [duplicate]

I have a RedHat setup with Apache and multiple users. I gave each user a dir in /var/www/html to host their sites. Sites are served, but cannot write files (eg. log files, uploads, cache files). I ...
0
votes
0answers
18 views

Script from RPM %post does not interact with user

I'm building an RPM which needs to run a bash script as root. Below, in the spec's %post stanza the script %{installscript} does not interact with the user (as it does when run from the shell), but ...
-4
votes
1answer
30 views

RHEL 6.5 iso issue

the company Im currently working was able to installed redhat 6.5 in their VM and they uploaded the Rhel 6.5 iso in the redhat server. I was able to install the apache and the php but when I tried to ...
0
votes
0answers
19 views

how to create persistent route on a RHEL 6 machine to a gateway on a different VLAN?

I'm trying to create a persistent route on a RHEL server to an IPSEC tunnel gateway that's on a different VLAN. This was no problem on another RHEL server that is on the same VLAN as the IPSEC tunnel ...
0
votes
1answer
40 views

test haproxy, varnish and apache configuration

I'm installing Varnish cache 4 behind a HAproxy which is behind an Apache instance. I've got several questions that could seem trivial to you (sorry then): How can i know if the HaProxy calls ...
2
votes
2answers
32 views

Block specfic port for the access of the application from outside with impacting the access to local host scripts [duplicate]

I have setup one application 'phanthomjs' that is running of specific port 6423 I wish that it should be accessible to script that are run locally on the box 'localhost', not accessible from outside. ...
0
votes
0answers
38 views

iptables user-defined chain not working

I am testing rate limiting to outbound IP's using iptables with user defined chains. So far I have only been able to get this to work with inbound traffic to my server. I cant seem to rate limit ...
0
votes
1answer
16 views

mcstrans erased, but it erased multiple packages with it and system is broken

I erased mcstrans of my Red Hat system, but it erased with it a lot of other packages. Now yum is not working (python is missing), and I cannot access the server via ssh because libfipscheck.so.1 is ...
1
vote
0answers
49 views

How to manage virtual ip addresses in RHEL 7

We currently have an alias assigned to our NIC for the purposes of managing a HA Proxy pair. # cat /etc/sysconfig/network-scripts/ifcfg-eth0:proxy DEVICE=eth0:proxy BOOTPROTO=none ONPARENT=no ...
1
vote
1answer
46 views

ClamAV Milter service will not start after updating clamav-milter

I recently updated ClamAV. Here are the packages that were updated: clamav-db-0.99-3.el6.x86_64 clamav-0.99-3.el6.x86_64 clamd-0.99-3.el6.x86_64 clamav-milter-0.99-3.el6.x86_64 ...
1
vote
0answers
43 views

Can't remove lock file in sysemd unit files

I'm having a really weird problem with systemd on RHEL7.The /run/puppetboot.lock file is not being removed at the end of execution for the unit file. Strangely, when I replace the 'puppet agent' lines ...
1
vote
1answer
43 views

sss_cache keeps looking for a LOCAL domain, not purging LDAP records

I've added a user to a group in LDAP. The user shows up in ldapsearch. However, the user does not show up when I list group members on my RHEL instance using getent group my_group. Am I correct in ...
0
votes
1answer
18 views

Checksum error while installing ambari

While installing ambari server,getting following error. yum install ambari-server -y Loaded plugins: fastestmirror, security Loading mirror speeds from cached hostfile Updates-ambari-1.7.0 | 2.9 ...
0
votes
1answer
121 views

util_pcre.c:104: undefined reference to `pcre_free' while compiling Apache HTTPD 2.4.17. collect2: error: ld returned 1 exit status

On a new EC2, I am facing one type of problem while compiling httpd. It seems like code of Apache cannot find functions / function definitions from libraries. Steps I took on a fresh RHEL to install ...
0
votes
1answer
28 views

classes declaration inside of subnets in isc dhcp

I would like to use class declarations based on a subnet scope, is that allowed? Or are all classes global scope? here is my dhcp.conf snippet: subnet 10.200.147.0 netmask 255.255.255.224 { ...