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442 views

httpd (WordPress) gets avc denied write (SELinux)

I'm getting following message in my /var/log/audit/audit.log: type=AVC msg=audit(1402615093.053:68): avc: denied { write } for pid=799 comm="httpd" name="php" dev="xvda1" ino=8667365 ...
3
votes
2answers
81 views

Changing GRUB configuration to “single” not working in RHEL

I am using RHEL 5.10. I have mistakenly deleted /etc/passwd file in my server (though I have the backup). I'm just trying to get into single user mode by typing single at the end of the kernel line ...
0
votes
1answer
98 views

Transfer files with extended attributes: Redhat to Redhat

I need to transfer files with extended attributes from my local system (SL 6.5) to a remote server (Centos 5.6). However, both scp and rsync are dropping the attributes, so I'm having to manually ...
1
vote
4answers
314 views

How to restore a backup from a tgz file in linux

How can i restore from a backup.tgz file generated from another linux server on my own server? I tried the command the following command: tar xvpfz backup.tgz -C / The above command worked, but it ...
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0answers
79 views

Cassandra hangs with kernel exception when adding jna jar to classpath

I have a fresh installation of cassandra v2.0.8 on a RedHat Enterprise Linux v5. I have added a sym link of the jna.jar in cassandra's /lib folder. I start cassandra and it hangs after printing out ...
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0answers
142 views

routing based on source IP

I am trying to do source-based routing, following the question http://unix.stackexchange.com/questions/131527/routing-based-on-source-ip. The source IP floating one and assigned to a cluster ...
2
votes
2answers
138 views

YUM, “patchlevel” and the DTAP street on redhat/centos

Is there a way to make yum update to a certain patchlevel? I always promise my devs the servers between Dev, Test, Acc and Prod are the same with versions of software. But when u use yum via the ...
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0answers
107 views

How to build the rpm package with SHA-256 checksum for files?

In standard alone RHEL 6.4 rpm build environment, the rpm packages is generated with SHA-256 check sum, which is gotten by command rpm -qp --dump xxx.rpm [user@redhat64 abc]$ rpm -qp --dump ...
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votes
1answer
727 views

relay to external network smtp server using sendmail as mta

I am banging my head on desk for this. My linux system is on local network where as my smtp server is on different network. Is there any way that I can relay mails from my local machine to this remote ...
0
votes
1answer
125 views

lvresize: command not found - RedHat

No search results on google for this. So i am really confused now. I am trying to increase the swap space and lvresize says command not found. Please Help !! using RedHat 64bit
0
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1answer
181 views

CentOS default never fsck root partition on start up?

Most documentation or sites will say use "tune2fs -l " to check if the system will do fsck on the system partitions on next boot, in particular, should look at "Mount count" and "Maximum mount count" ...
0
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1answer
223 views

VNC server installed or not in redhat linux - please read the lines below

[root@cpsc-server VNCInstallable]# ls VNC-Server-5.1.1-Linux-x64.rpm VNC-Viewer-5.1.1-Linux-x64.rpm [root@cpsc-server VNCInstallable]# rpm -e VNC-Server-5.1.1-Linux-x64.rpm **error: package ...
0
votes
4answers
67 views

redhat find all packages installed locally

So far I have a list of explicit packages that are installed with yum. The server has some of its own developed software which would not be from a repo, it would be moved and then installed locally. ...
4
votes
2answers
618 views

Resizing of volumes used as VMWare NFS datastores causes Linux VM issues

We had to perform a live volume resize of an NFS datastores VMWare uses on our Netapp. All of our Windows VMs were fine after the resize. However, some of our Linux VMs had issues. Some Linux VMs ...
0
votes
1answer
88 views

dovecot rhel 5 installation fails because of newer libraries

to whom it may respond to, we are trying to install dovecot (dovecot-2.2.10-1_14.el5.x86_64) on a RHEL 5.4 server and we get the error : [root@asgfkm /]# rpm -i dovecot-2.1.17-0_136.el5.x86_64.rpm ...
0
votes
1answer
387 views

Resizing Partitions on Live RHEL/cPanel Server

I've resized many partitions over the years on Linux, Windows and Mac OS X -- but always using a GUI. However, the time has come where the preset partition sizes my data center placed on my server ...
-1
votes
1answer
190 views

RHEL boot partition size during auto-installation

We are installing some servers with same RHEL image. During the installation, all but one, have got no problem and had boot partition in size of 250M. The one server, after the installation has ...
0
votes
1answer
789 views

Multiple python versions under apache+mod_wsgi

I have several virtual hosts configured under the same apache instance on redhat: apache-2.2.15 mod_wsgi-3.5 compiled with default system python-2.6 For every virtual host WSGIScriptAlias setting ...
0
votes
1answer
49 views

Is there a max length to java_opts arguments on a tomcat process

We have a tomcat startup script with a java_opts that contains a fairly lengthy (around 14 hosts) entry for -Dhttp.nonProxyHosts, I've noticed that although tomcat appears to start properly, entries ...
2
votes
1answer
97 views

pam_tally2 causing unwanted lockouts with SCOM or Nervecenter

We use pam_tally2 in our system-auth config file which works fine for users. With services such as SCOM or Nervecenter it causes lockouts. Same behavior on RHEL5 and RHEL6 This is ...
1
vote
1answer
261 views

Installing OpenSSL that supports SNI along with previous version of OpenSSL

So I learned that to host multiple HTTPS websites on the same IP address you need an OpenSSL version that supports SNI (0.9.8f and higher). My RHEL5 box currently has 0.9.8e and Apache version ...
0
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0answers
150 views

Red Hat 6.5 - Login Errors After Security Hardening

I followed the information below, however, it is strangely blocking me from entering a password upon entering the login prompt on the server: To configure the system to lock out accounts after a ...
1
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0answers
92 views

Red Hat 6.5- sysctl -w net.ipv6.conf.default.accept_redirects=0

I am in the process of writing a Red Hat 6.5 Kickstart disc with hardened security. I have run a program to determine where the weaknesses are in my system, and apparently there is a medium severity ...
0
votes
1answer
903 views

CentOS/Redhat: Systemwide aliases when logging in through LDAP/sssd

I've asked this question in the Centos Support forum, but we didn't found a solution for it (https://www.centos.org/forums/viewtopic.php?f=13&t=46101#p196728) When logging in through LDAP/sssd, ...
2
votes
1answer
2k views

RHEL 6.5 to 6.4 downgrade error

I was following a RHEL solution about the downgrade, which went as follows: Check version and releases search for the available packages yum list kernel-2.6.32-358* Install the rhel 6.4 kernel ...
1
vote
1answer
75 views

Difference between “crontab -e” & editing crontab file manually? [duplicate]

I noticed some people use "crontab -l" to view cronjobs and "crontab -e" to edit them. However there are also times where people manually modify "/etc/crontab" to view/add/remove cronjobs. Both ...
3
votes
1answer
167 views

Need 32 Bit Apache on Red Hat 6.5 64bit

I have a Red Hat 6.5 Enterprise Server which is 64 bit. I have a 3rd party package that I use for Web Services that is an add-on to Apache Web Server. This package is 32 bit so I need to have a 32 bit ...
0
votes
2answers
1k 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 ...
2
votes
1answer
173 views

Varnish SMS allocation request generate HTTP 503

Sometimes my application return a HTTP 503 error to a client. The only clue I have is that when it happen, Cacti reports a peak of Varnish SMS Allocation requests. After some research I may have ...
12
votes
2answers
4k views

Linux containers (LXC) on Red Hat/CentOS EL6 - lxc-create versus libvirt?

It's tricky trying to stay within the good graces of Red Hat and still plan for system longevity... I've been a proponent of Linux Containers (LXC) for over a year. My initial installations were ...
2
votes
1answer
119 views

Linux IP forwarding trouble

In my environment most of the servers have 2 network cards. A primary/user network card used by the application, and a secondary/backup adapter used for backups, bulk copies etc. I just set up a ...
1
vote
0answers
36 views

Redhat quitting process never works always have to kill it

I am working on a RedHat server creating a unicorn process. I have two sets of these processes being created. I am able to QUIT one of the process fine and do so over and over again create it and QUIT ...
0
votes
1answer
45 views

Why don't RedHat 5.x compiled Ruby-binaries work on Fedora 17?

I have compiled Ruby 2.0.0p247-binaries on a RedHat Enterprise Linux 5-system. When I require 'net/https' on this same system, everything is fine. The binaries have been installed on a common ...
0
votes
1answer
106 views

Untrusted SSL certificates on CentOS VPS

I'm currently in the process of becoming PCI compliant and I have 6 warnings remaining. The one I'm particularly struggling with is "SSL Certificate Cannot Be Trusted IMAP (143/TCP)". I'm using ...
0
votes
0answers
346 views

RHEL7 RC, why isnt /etc/sysconfig/static-routes active after reboot? But it is after 'service network restart'?

I just started to port our auto provision system (chef scripts etc) on RHEL 7RC. But something isnt working as expected, I suspect systemd is the culprit. So we have some default static routes in ...
0
votes
2answers
82 views

process works under strace but not normally

I have a process - a perl script - that does: while true check a POP account on a server on the lan process any email found write logs - messages found, actions taken, errors sleep ...
2
votes
1answer
937 views

Account Lockout with pam_faillock in RHEL6

Previously, I asked about using pam_tally2 under RHEL6. I would like to pose this question and answer to document the recommended use of pam_faillock over pam_tally2 for the same function; What is ...
2
votes
1answer
105 views

Implementing and testing a Subversion hook

Background I'm trying to implement a number of commit hooks for Subversion. I have done a lot of research to try and get a simple test hook to work, however I have had no luck. For reference I have ...
0
votes
1answer
38 views

PTR entry is setting my hostname. How do I stop it?

I'm running RHEL 6.5. My machine is getting it's IP address from our DHCP server. I'm getting this strange behavior where the machine will apparently query the DNS server for a PTR entry for the IP ...
0
votes
5answers
90 views

Signal Root to Execute a Program

I have a program that must be run as root, and needs to be triggered by an outside process to start (it is triggered by a build process completion). It is not on a schedule, so cron is not an option. ...
0
votes
0answers
410 views

GlusterFS issues - volume heal static info split-brain : FAILED

I have been having these GlusteFS problems ever since I started monitoring this. Any idea how this can be fixed? [2014-05-07 09:50:02.511879] : volume heal static info split-brain : FAILED : ...
0
votes
1answer
338 views

mysql 5.6 doesn't start automatically on redhat 6.4 server start-up but do start when manually run “service mysql start”

I'm trying without success to set mysql to start automatically (mysql 5.6 on RHEL6.4) When I run "service --status-all" after server (redhat) restart it always shows "MySQL is not running, but lock ...
1
vote
1answer
5k views

Linux Red Hat Resize VM resize2fs - Couldn't find valid filesystem superblock

I'm trying to increase the size of a Linux Red Hat Virtual Machine by 10Gig. This is just on a Test Server I created that I'm trying to figure out. I increased the VM by 10 gig with this command ...
1
vote
1answer
143 views

How can I run a CentOS (Red Hat) cluster in degraded mode?

I've installed Red Hat's cluster software on an install of CentOS 6.5, and use it to provide redundant routing from one network to another. This works fine, and I have a pair of boxes providing the ...
0
votes
2answers
446 views

Sendmail Keeps Listening Local IP

I'm running RHEL 6 and already done the following modifications : [root@ark mail]# grep 0.0.0.0 sendmail.mc DAEMON_OPTIONS(`Port=smtp,Addr=0.0.0.0, Name=MTA')dnl [root@ark mail]# make sendmail.cf ...
2
votes
2answers
1k views

LVM: Duplicate VG name VolGroup00

I'm on a server that shows a duplicate VG name. How can I rename one of these VolGroups to get rid of this conflict? [root@dev-server dev]# lvs WARNING: Duplicate VG name VolGroup00: ...
2
votes
2answers
544 views

httpd service is not starting automatically

I compiled Apache and PHP from source on a RedHat server, but in doing that, I forget to install the httpd as service. Files used to compile Apache 2.4.7 Command used to compile Apache 2.4.7 ...
1
vote
0answers
186 views

VPNC cisco + quick mode response rejected error

I installed a vpnc on my Linux red-hat machine version 6.3 Most of the cases vpnc work well ( connecting to gateway customers by vpnc ) But against some particular customers ( Cisco gateways ) , ...
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votes
2answers
76 views

my master dns is running on Debian, can i configure rhel as slave DNS

I need to configure a slave dns on RHEL 3 , but my master DNS is Debian 7, is it possible to configure dns on such manner if possible kindly help me on this
1
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2answers
144 views

RHEL5: htop shows empty command-column

When issue the command htop on my RHEL5 box I get a normal view, however when I scroll down I have several "blank" command ranges as can be seen here: Can someone explain me how this ...