Linux is the generic term for a UNIX-like open source operating system based on the Linux kernel.

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1answer
25 views

OSSEC - Multiple VM's on a single DELL blade (XenServer Hypervisor)

I have a DELL blade with ~100 VM's (with a Citrix XenServer 6.1 hypervisor), all with ossec agent connected to a ossec server outside that same blade. I have a bit of a problem: they all run rootkit ...
0
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0answers
20 views

Odd behaviour with varnishlog and stream redirecting

I wrote a helper to debug varnish installation and have used it on both production and development server. The odd thing is, I encountered different behaviour even though the setup is nearly identical ...
-1
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0answers
21 views

Server Down Every 5 Hours? Centos NginxProxy

I have my websites on a Centos NginxProxy server with kloxo panel installed. My websites become unresponsive every 5 hours and then after a reboot becomes ok. I need help troubleshooting that. Here ...
3
votes
2answers
112 views

What to look for when buying a FiberChannel card?

I have a couple of these LSI arrays LSI Model 0834 LSI product name: 1932 LSI Product codename: Mary Jane Enclosure name: Shea (DM1300) End of Life: 31-Dec-2010 but I can't find any information ...
4
votes
1answer
79 views

CVE-2014-0196 Vulnerability for CentOS

Trying to patch CVE-2014-0196 Vulnerability but yum can't find packages updates CentOS 6.5 (Final) Panel version: 11.0.9 Update #61 # uname -r 2.6.32-358.11.1.el6.x86_64 # yum update kernel Loaded ...
1
vote
1answer
82 views

Google reCAPTCHA not working on Linux system

I am working on integrating reCAPTCHA with my registration page and everything seems working fine except one strange issue. I have tested this code on all local machines and well on our test server ...
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votes
1answer
22 views

Separate io input/output in linux [closed]

My question is really short. Sometimes we have to separate i/o from a machine for example case of remote file system ? Why we do that ?
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votes
2answers
40 views

Use different default documents for apache2 virtual hosts

I am setting up several sites on an ubuntu 14 server with apache2. I copied 000-default.conf and created a site1.conf. Then I changed some settings, reloaded apache2, and now almost everything ...
4
votes
3answers
66 views

How to Split a Huge CSV File in Linux?

I have 60TB of data that resides in 12 csv files. The data will be loaded into a clustered database where the loading processes is single threaded. In order to improve my load performance I need to ...
1
vote
1answer
48 views

mongod service not starting

I've installed mongodb in Debian Squeeze using this guide (guide here) Installed successfully. It was running well until I restarted the machine (using command "reboot"); After restart, mongodb is ...
0
votes
0answers
26 views

7z “is not supported archive” while updating an archive

7za u -pPasswored -mhe=on -r -m0=lzma -mx=9 -mfb=64 -md=32m '-x!temp' filename.7z /home/software While updating archive we are getting this error. Error: XXXXXXX.7z is not supported archive ...
4
votes
1answer
155 views

Making TCP dump without packets loss

How to make a TCP dump where it is guaranteed that all the packets that really pass through the network are captured, and nothing is missed? Details: We have an issue with 3rd party vendor who ...
0
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0answers
9 views

pppoe installation configuration option

I have centOS 5 server. I am trying to install rp-pppoe-3.11.tar.gz I also want to install ppp-2.4.5.tar.gz now with rp-pppoe-3.11 configuration option i found --enable-plugin=pppd_src_path build ...
0
votes
1answer
41 views

apache error logs issue

I have a vps server but the vps provider stop managed service. I having problem with logs file. Every thing seems was alright, but after few month auto logs deletion does not working. Every minute the ...
2
votes
1answer
52 views

How to run HTTPD as specific user(s) and not by nobody?

Currently, top shows me that almost all httpd processes are run by nobody. "Almost" because 2 of them are run by root. How can i make it in such a way that given i have users say: dartagnan, porthos, ...
1
vote
1answer
88 views

Using foreman to provision a vm with static ip

I am trying to provision a vm with Centos6.5 on vmware with a static ip address using Foreman 1.5.1. However, the vm's keeps getting provisioned with a dhcp address. Im doing a network based install. ...
12
votes
3answers
425 views

How to continue redirecting stdout to a file after logrotate moves it?

I have a simple script which outputs a bunch of logs to screen and I piped the STDOUT to a file to store the logs. Since this script is long running, I needed to rotate the log files so they are ...
-1
votes
1answer
50 views

SSL certificate installation problems [closed]

I have been following a set of steps provided here comodo Step 2 advises me to place my .crt and .bundle files inside directory etc/ssl/ In my server with FTP it shows I have a empty etc/ directory, ...
2
votes
1answer
24 views

Suppress chrome's first-time dialog on linux

I'm trying to install google chrome using puppet on a bunch of linux machines (SLES 12) and I don't want any dialogs that the user has to answer before they can start browsing. This is mainly because ...
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0answers
31 views

Can I change venet0:0 main ip to venet0:1 ip?

I would like change my main IP from venet0:0 to venet0:1. Is this possible? This is my ifconfig: [root@marketport tmp]# ifconfig lo Link encap:Local Loopback inet addr:127.0.0.1 ...
1
vote
0answers
314 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 ...
3
votes
2answers
74 views

Backup MX server used to queue mail

In short: I need to setup backup MX server, which will queue messages it receives for later delivery through original MX, AND it must only accept messages for mailboxes which will be listed in ...
1
vote
2answers
31 views

run second mysqld instance for backup restore

I am trying to start a second mysqld instance to restore data from backup (innoDB). Following the manual I put together this: P="/var/lib/reoback/backups/2014-06-30/var/lib/mysql" cd $P mkdir tmp ...
0
votes
1answer
41 views

Can I replace Harddisks to change the OS

I have a Server machine which I want to use with two Operating Systems. I cannot do the below things : 1. Use a virtual machine. 2. Install a dual boot I already have windows installed on the ...
0
votes
4answers
96 views

How do I change multiple linux servers' /etc/fstab simultaneously

We have plenty of linux server that will mount a few linux file server by NFS or SMB using /etc/fstab But manually changing each server's /etc/fstab is very tedious. Is there any way to edit ...
0
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0answers
32 views

Red Hat with rpc.statd is not running and can't start nfslock

I try to mount from Linux machine to some folder on win machine. From the output I see that mount complains about rpc.statd. So I tried to start the nfslock but I got FAILED. Then I look on the ...
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0answers
12 views

User under windows server AD access Linux server using kerberos

I installed AD on windows 2008 r2 sp1 server . And had configured all things follow the issue http://msdn.microsoft.com/en-us/library/ms995329.aspx ...
3
votes
1answer
36 views

VLAN configuration in linux not showing tags in tcpdump

i bonded 2 NIC and specified VLAN tag of 11 cat /etc/sysconfig/network-scripts/ifcfg-bond0.11 DEVICE=bond0.11 ONBOOT=yes VLAN=yes NM_CONTROLLED=no STP=no HOTPLUG=no also ifconfig bond0.11 ...
0
votes
2answers
43 views

Apache server on centos (by VMware)

I have a windows server 2012 and it has a valid IP address in internet. I installed VMWare on windows server and create a Linux CentOS virtual machine in VMWare. In the Linux i run Apache server and ...
-1
votes
0answers
26 views

Cannot install php5-dev in Debian?

I have a problem when I want to install php5-dev sudo apt-get install php5-dev the result is like this php5-dev : Depends: autoconf (>= 2.63) but it is not installable Depends: ...
0
votes
1answer
50 views

How to access atomia DNS web app over public IP?

After installing everything and trying to access Atomia DNS's web app over public IP/port, I get "This webpage is not available". In the guide they access the web app over http://localhost:5380 but I ...
2
votes
0answers
52 views

Can I rely on scsi host numbers to always stay the same?

I want to detect whether a disk is attached to the correct sata-port. While lsscsi gives me some useful information about the used host, I was wondering whether the SCSI host number will always stay ...
-4
votes
2answers
39 views

Linux User generation script [closed]

Was wondering if someone could point me in the right direction. I'm wanting to create a simple bash script to create user account. The script will need to prompt the admin for a username and ...
0
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0answers
10 views

SNMP OID for CPU model information

I am currently trying to find the oid / way to gather the CPU model name from a server using SNMP. I have tried looking up the specific oid for it however all I could find were ones that related to ...
0
votes
0answers
14 views

sar -b reports much too high statistics, are the I/O counted twice?

On a Linux server sar -b reports much too high read block statistics, sometimes 3.500.000 readb/s peak and around 2.500.000 readb/s sustain, which makes more that 1 gigabyte/s (according to the sar ...
0
votes
0answers
9 views

Ctrl-C is ignored by pppd when put in a shell script

I'm trying to connect to GPRS network through a serial port connected GSM modem. When I call /usr/sbin/pppd call <peer_name> from the command line, It correctly receives and handles Ctrl+C from ...
0
votes
2answers
43 views

How to use the new ifdown and ifup?

I would like to change the MAC address on a Fedora 2o webserver, but it seams that ifdown and ifup doesn't work like they used too before systemd were introduced. This is what I would like to do ...
5
votes
1answer
56 views

rootsh running issue in normal user

I have installed rootsh and it's working fine in CentOS 6. But its logs are written both to /var/log/messages and /var/log/rootsh/. I want the logs to only be written to /var/log/rootsh/, not to ...
0
votes
0answers
57 views

USB over IP supporting Linux

I am running several virtual servers with Linux and need to connect usb devices. I am using XenServer for virtualization, therefore there is no native usb-pass-through available. How can I connect ...
1
vote
1answer
35 views

How to sync SVN repository with a remote FTP filesystem

I configured a Centos server locally(in-office) which contains a SVN repository with a project. Many developers are working on this repository and making changes. Also I have a remote server which ...
0
votes
0answers
32 views

netperf issue on RHEL

Please help me with netperf issue. When I issued the following command on server (Red Hat Enterprise Linux), and got the following outputs. Tried to research online, but not much help. I was expecting ...
-2
votes
0answers
29 views

DNS server won't work! [Bind9 running on Debian 7; virtualized through Proxmox 3.1] [migrated]

First I'd like to thank everyone in advance for helping me - communities like this are exactly what amatuers like myself need when faced with perplexing issues. I've recently begun virtualizing ...
-1
votes
1answer
30 views

How can I set permission 000 to every “error_log” file in my server?

Even though I disabled error reporting on the php settings, some scripts still make their own error_log files, some of them are eating all the space of my VPS. I already know the errors, and I would ...
0
votes
1answer
33 views

Management of system directory in linux using git

I'm using puppet to manage my linux systems. I have to use /etc/puppet directory to keep manifest files instead of user home directory, and I want to manage them by git. But because /etc/puppet's ...
-5
votes
0answers
25 views

How can I find the biggest “error_log” files listed by location and size? [migrated]

I host about 200 websites and I have noticed that some got huge error_log files. I would like to see which ones are consuming the most space so I can take a look on them and solve the error so they ...
0
votes
0answers
23 views

Restricted logins + almost all ports closed : secure? [migrated]

Context : I plan to travel. I want to make a little cloud with my personal server. I wish I could d/l some of my files and eventually upload some files which will not be executed and the whole is ...
-4
votes
1answer
35 views

Use ssh to tunnel to another device with putty [closed]

I currently use ssh to tunnel to port 80 on a server remotely. Is it possible that I can tunnel to another device on the remote network that I'm connecting to? I can obviously ping the node from the ...
0
votes
1answer
49 views

How to connect to CentOS after killing permissions?

So I will try to keep this short and simple. For our dev server at work, I was trying to add a new user last friday and I think instead of changing his file permissions I ended up changing group ...
0
votes
3answers
85 views

IPTABLES won't keep changes on restart [duplicate]

I have a hostgator VPS that has a CENT OS. When I stop the VPS and start it again, the changes I've made to the IPTABLES won't save I've tried to save the IPTABLES and to no avail. Every time I ...
-1
votes
0answers
19 views

Server - how can we use current mysql database for squid authentication

i am trying to implement squid proxy server in my network i am using centos 5.8 with squid 2.6 i want to use my current mysql database for squid authentication example i have a mysql server for my ...