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

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Low disk space on a centos server [duplicate]

I have a Problem on a centos server and i am unable to drag files via ftp the server has a hard disk with 2 terabytes and i checked all files on how much disk space is consuming and it is 2.9gb and ...
-1
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1answer
28 views

Slow down traffic to one specific website [closed]

My computer (running linux) is connected to a WiFi Network and the connection is shared to an AccessPoint over the LAN Port. What I would like to do is lower the priority to a specific website (for ...
-1
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1answer
41 views

Manage Multiple Ubuntu servers [on hold]

I was wondering if it is possible to manage multiple ubuntu servers without using landscape, the only thing it should do is be able to run scripts through and update the system remotely.
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1answer
36 views

Linux virtual server, direct routing (LVS/DR) on VPN

Is it possible to set up Linux Virtual Server on VPN? The real servers should lie on the same LAN segment. I want the real server to be a non-LAN server connected to the Internet. Could it be ...
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1answer
37 views

How do i know if this logs are normal, and if somenone got into my server?

last month i was logging into my server as usual and was a mess: programs not working, /home not mounting anymore etc etc Now i've downloaded all the Ubuntu server logs and i've noticed that auth is ...
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1answer
29 views

“cannot open shared object file: Input/output error” - for everything

pacman: error while loading shared libraries: libarchive.so.13: cannot open shared object file: Input/output error Almost every command responds with something like this, each with a different shared ...
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0answers
22 views

Best Software solution for defend block DDoS? [duplicate]

What are the best solution for defending DDoS on software niveau? I have installed this: mod_evasive fail2ban Maybe this: syn_cookies What can be done else what can i install as software?
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2answers
38 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 ...
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0answers
17 views

AWS + KeepAliveD: Not able to Ping or Telnet Virtual IP from remote hosts

I am setting up KeepaliveD with 2 nodes on AWS by following this article. My Virtual IP gets moved from one node to another in case of fail-over. However, the VIP just cannot be accessed from a remote ...
0
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1answer
22 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
1answer
9 views

Which log file can I use for server port analytics?

Ideally I'd like to use piwik to track conversions from ads to server connections on port 5000 and port 5001 but I highly doubt that is even possible. I'm willing to settle for [ipaddress,time ...
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2answers
34 views

How can I redirect logfile output to a network socket?

I am using a commercial Java app which writes it's logfiles using log4j. I'd like to get those logfile entries into Syslog where we have specific filters setup to trigger on system events. Log4j ...
2
votes
1answer
49 views

Embedded Linux – mechanism for deploying firmware updates?

I am considering developing on the Yocto project for an embedded Linux project (an industrial application) and I have a few questions for those with experience with embedded Linux in general -- Yocto ...
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1answer
34 views

Apache randomly stops at night with no errors in logs

I have a server on AWS that has been stable for years. It's running Apache 2.2.22 on Ubuntu 12.04.5 LTS. I regularly run security updates at the top of the month. Recently Apache has stopped ...
1
vote
1answer
24 views

Open Source Network Monitoring Primarily for Linux Cloud Environment [closed]

How are you currently monitoring your Linux network in the cloud? We run several (read 7) CentOS instances that host several websites as-well-as a couple of MySQL instances. I am trying to find an ...
0
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1answer
25 views

Delete files with logrotate

Is it possible JUST to delete the log files in a directory by using logrotate w/o actually rotating them? We have an app that generates logs in the following format: app.log.DD_MM_YYYY. I am ...
-1
votes
1answer
38 views

Hostname is not mapped to the ip address correctly [closed]

I recently installed Wordpress on my home server running Arch Linux. Everything else works smoothly except that when try to access the server externally, the style sheet is not rendered. I have read ...
2
votes
1answer
55 views

Domain A record on active directory controller

Currently we have an Active Directory setup for a small network running on Debian 8 and Samba 4. At one point we had to change the ip address of the AD server from 100.0.0.4 to 100.0.0.100. I edited: ...
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0answers
16 views

Can't access host-only network when on two interfaces [migrated]

I'm trying to use a host-only connection with my VirtualBox VM. My VM is set up and can ping the host (192.168.56.1) on vboxnet0. If I disconnect the host from my local network (internet access) I ...
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votes
1answer
30 views

iptables, redirect all port 80 to an IP but let one IP forwards through

My router redirects all incoming traffic (interface eth0) to IP 1.2.3.4 : iptables -t NAT -A PREROUTING -i eth0 -p tcp --dport 80 --to-destination 1.2.3.4:80 When a client hits "100.80.77.8", I'd ...
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0answers
24 views

bash scripting and comparing 2 directories - Beginner [duplicate]

My problem is that i have to check what files are included in the $directory, then i have to make a new file with name specified by me and compare if the name doesn't already exist in this directory ( ...
1
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0answers
42 views

bash scripting comparing 2 things [closed]

My problem is that i have to check what files are included in the $directory, then i have to make a new file with name specified by me and compare if the name doesn't already exist in this directory ( ...
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votes
1answer
14 views

Chown results in not being able log in VestaCP [duplicate]

so I needed to chown a folder and I accidently wrote chown -R admin:admin / And that chmowned all files for ~5sec then came up an error that it can not chown something and I stopped. After I ...
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0answers
9 views

ip command vs qdisc discrepancy in dropped packets

I am simulating packet loss via mininet network on Ubuntu 14.04. Why are there no dropped packets showing up in ip command? For switch s3, I have Qdisc (sudo tc -s qdisc show): qdisc htb 5: dev ...
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0answers
17 views

Nginx only allow directory endings, no index.html or index.php

Working on setting up an nginx server. I want to add some sort of location block that would only allow the parent folder of index.html or index.php to be served, but would redirect index.html or ...
0
votes
1answer
29 views

XFS: Internal error XFS_WANT_CORRUPTED_GOTO

After what appears to be a power outage on my standby postgres database, i'm receiving the error: XFS: Internal error XFS_WANT_CORRUPTED_GOTO after the system reboots as well as postgres error log ...
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1answer
52 views

PXE boot windows PE from Linux

I'm attempting to get a Windows Preinstallation Environment to boot over PXE from a Linux server. The end goal will be to install Windows but that's pretty easy once I can get WinPE to start up (I've ...
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votes
2answers
43 views

Tail, grep and count the instances found in one command?

I am tailing a files output and grepping for lines with certain data. I don't want to output the data to the screen but instead count the number of instances it found and send that to the screen. The ...
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0answers
28 views

Installation of Red5 failed to execute

I encounter a problem with instalation of Red5 on my VPS (Ubuntu 12.04). Doing installation over SSH with Java installed. I tried over Maven because I realized that newer versions of Red5 do not ...
0
votes
1answer
49 views

OpenVPN server and client configuration for openwrt

I have an OpenWRT router with WAN(eth1) and LAN(eth0) interface. I wanted to install an openVPN server on this router, so I could access from the WAN side into the LAN side. My LAN(eth0) has a DHCP ...
0
votes
1answer
27 views

Bloomfield CPU without Intel VT-x

According to my research an Intel Bloomfield CPU (more specific: a i7-920) should support Intel VT-x technology ...
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0answers
13 views

connecting webmin console to remote squid proxy server

I have a Squid proxy running on windows 2008 system. I have another linux machine where i have installed webmin. Installing webmin on windows is a pain and require perl module thus i installed it on a ...
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1answer
31 views

List all kerberized SPN's in Linux

Is there a way to list/show all SPN's in an kerberized AD using a Linux Client? In Windows one can use setspn -T <domain> -Q */* to get them. Is there something similar? Haven't found anything ...
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0answers
30 views

How can I make an internal server access internet through a local PC?

I have a Ubuntu PC (10.10.3.3) which has access to a Fedora server (10.10.2.210) within the same LAN and to internet through another server (with internal and public IPs). The Fedora server has no ...
6
votes
3answers
203 views

Generate entropy for PGP key

I'm logged onto a VM remotely and trying to generate a 4096bit PGP key, it just hangs forever because there is no entropy and since I'm working through remote desktop it probably does not detect the ...
0
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1answer
15 views

ganeti network: change bridge name

I try to add an instance to network, first first I need to connect the network to a bridge. I'm using bridge vbr0 instead of standard xen-br0, gnt-cluster info shows that ganeti has the default set ...
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2answers
35 views

Permissions, owner, group inheritance? [duplicate]

I don't understand restrictions in terms of directories nesting. For example, /var/www/folder/index.html directories. What permissions, owner, group should every directory and file have? Is there such ...
3
votes
0answers
20 views

Sparse files significantly larger (but still sparse) after copying over a network

When attempting to copy sparse VM image files from one KVM hypervisor to another over the network, I see the following behavior: The sparse files are still sparse files The copied sparse files are ...
0
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0answers
12 views

response ping is expired in transit [duplicate]

I've configured my debian's network on virtual box: auto lo iface lo inet loopback auto eth0 allow-hotplug eth0 iface eth0 inet static address 192.168.56.15 netmask 255.255.255.0 gateway ...
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1answer
37 views

How can I log a linux command's process tree?

I'm trying to track the usage of a certain command so I want to log its parents (to see what is actually using it) Solaris has "ptree" which would be pretty easy to parse and log: # ptree 4198 4198 ...
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0answers
25 views

Different gateway per command

I have a network with multiple gateways and one is set as the default gateway on a server. I want a single specific command to use a separate gateway for all its traffic. How would I achieve that? ...
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votes
0answers
27 views

Change ip address while surf web pages

I am looking for command line browser like lynx but with --bind-address command line argument, like wget does. so i can browse the webpage with one of my ip address in server
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0answers
11 views

Proper records for mail and domain [duplicate]

I am having the following question: I have a domain (let's say example.com) and I need to set up the proper records for the e-mail so that to minimize the possibility for a message to go to spam. I am ...
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votes
1answer
43 views

Draytek 2860 appears to be blocking DNS queries [closed]

I have a custom-built Wifi "Hotspot" setup which is built like this: Draytek Vigor 2860 router connects to the Internet (via ADSL), no custom setup other than settings for connecting to our ISP via ...
1
vote
4answers
69 views

How to determine which processes have most inodes opened

Here is my problem, visibile in a munin chart: My used/opened inodes are "suddenly" constantly increasing. Is there a way to determine which process is keeping the most currently opened inodes? I ...
0
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0answers
24 views

Run a script if an error in syslog appears

Is it possible to run a shell script if a specified string is found in rsyslog 5.8.11? I couldn't find any examples so I tried this but it doesn't work: $Template MyAlert,":msg" :msg, contains, ...
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0answers
24 views

mod_fcgid: ap_pass_brigade failed in handle_request_ipc function Fcgid Warning

I have noticed this error cropping up in my error logs, what could be the cause of this: [Tue Jul 21 13:16:06.626541 2015] [fcgid:warn] [pid 24069] (32)Broken pipe: [client 192.0.99.245:31613] ...
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0answers
34 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
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1answer
15 views

How do you sync ipset sets across two machines?

I would like to replicate IPSet sets from one machine (server01) to another machine (server02) using rsync or btsync or something similar. Is that possible? If so how do I do it? This is a redundancy ...
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0answers
27 views

Automatic connect to Samba share on (open)VPN connect

I'm currently working on several BeagleBoneBlack, all running Debian 7.8. The setup: One BeagleBone is running an openVPN server (with easy-rsa authentication) and a samba server. The sever is ...