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

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8 views

Invalid command: 'AuthLDAPAuthoritative', perhaps misspelled

Have apache 2.2.24 running on Gentoo server. I need apache to now authenticate through windows active directory, however, on apache service restart, I am getting this error: Invalid command, ...
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0answers
17 views

How efficient is the tac command on large files

The taccommand (catreversed) can be used to read a file backwards, just like cat reads it rom the beginning. I wonder, how efficient this is. Does it have to read the whole file from the beginning and ...
1
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1answer
72 views

SSH key login not working

i am having some problems logging in to one server to SSH via a key this is the client output: ssh 'importer@pdwhost.iwillkeepthis2.me' -p 2201 -v OpenSSH_6.0p1 Debian-4, OpenSSL 1.0.1e 11 Feb 2013 ...
10
votes
1answer
335 views

Upgrading openssh-server within an ssh session

Suppose that you issue apt-get upgrade from an ssh session and one of the packages to be upgraded is openssh-server. Is the new sshd process restarted after the upgrade? If yes how is the session ...
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0answers
32 views

Long process PHP stops after several minutes

What is the reason for process to end? Here is the part from log_file when this happened.. 2015-01-28 13:28:19.808 [INFO] [62.54.16.41:52122-0#APVH_mysecrets.omg] Connection idle time: 901 while in ...
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2answers
33 views

Java on Linux insufficient memory even though there is plenty of available memory being used for caching

I’m trying to start a process on Red Hat Enterprise Linux Server release 6.5 (Santiago), which is failing because it is not able to allocate sufficient memory. # There is insufficient memory for the ...
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0answers
14 views

In need of books, articles etc about server monitoring in general [on hold]

As written. It's for an essay in school and I'd need some legit sources. Any tips?
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2answers
29 views

Clean /boot on Ubuntu

When I boot my Ubuntu server, I have this warning message: => /boot is using 100.0% of 235MB And when I look into /boot, I have a lot of files which are dependent of the version of the kernel. ...
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0answers
33 views

Can not connect to apache server within VM [on hold]

I am running CentOS 7 inside a virtual machine that is virtualized with VirtualBox. My host operating system is also CentOS 7. I am using a proxy server that is referenced in the .bashrc files of my ...
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1answer
37 views

How to pass all traffic through virtual ip on linux

I have an Ethernet card on CentOS server. It has been configured: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000 link/ether 40:f2:e9:9b:b7:bb brd ...
-2
votes
0answers
15 views

Set Static IP Address and Find MAC Address of OpenSUSE [on hold]

I am new to Open SUSE Linux. I need to configure static IP address to Open SUSE and find the MAC address of the NIC. I go through several documents but still I couldn't find the answer. If you guys ...
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0answers
13 views

Unable to launch XBMC installed on OpenMediaVault on a VirtualMachine [migrated]

I'm wanting to test different distribution to test which OS I will take for my NAS+HTPC. Just for some context: I want to put a NAS and the HTPC on the same server because my main usage is to put ...
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votes
1answer
20 views

makewhatis and logrotate cron job schedule

In /etc/cron.daily/, logrotate* makewhatis.cron* I understand that above are daily cron jobs. How to display the time set for logrotate and makewhatis.cron? Its not listed when I tried this ...
1
vote
1answer
24 views

OpenSSH as SFTP server: Trigger successful and faulty changes

I am using the current OpenSSH version on Debian 7.7 Whezzy, which is, according to dpkg, 1:6.0p1-4+deb7u2. I configured OpenSSH to allow clients to connect using SFTP, and read and modify (upload or ...
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votes
0answers
20 views

Linux and terminal improve [closed]

Can anyone suggest me some websites or something where I can work on and improve my linux skills? Really want to upgrade my skills just using now linux for basic things and daily use only. Thx
1
vote
1answer
31 views

Creating subdomain with nginx server block returns Server Not Found

this is a problem I don't get to solve. I have a VPS on DigitalOcean, installed manually a LEMP stack on it and I have the domain with hover.com Everything seems to work if you visit my server ...
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2answers
25 views

LVM: Removing physical volume

I want to repartition my disk. My current partition table is as follows: Disk /dev/vda: 1 TiB, 1136018849792 bytes, 2218786816 sectors Units: sectors of 1 * 512 = 512 bytes Sector size ...
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1answer
19 views

RHEL Routing with 3 nics

I am trying to get my routing to work on my RHEL 7 with 3 nics and 3 subnets. I have the followig nics DEVICE=eth0 BOOTPROTO=sttic ONBOOT=yes TYPE=Ethernet USERCTL=yes PEERDNS=yes IPADDR=10.241.78.5 ...
1
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1answer
56 views

Creating a physical backup of a linux server?

We recently switched to running our companies warehouse management system server on a linux server. Currently, to create a physical backup that can be stored offsite we are using a DAT72 tape drive to ...
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0answers
16 views

Do I need to configure my server so it's found by the domain name? [closed]

I have bought the domain name and it's associated with my server's IP, but when I do ping -c10 domain-name it doesn't find the host, why is that. I am on Linux so any configuration tips should be ...
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votes
1answer
22 views

Redirect anonymous ftp login to a certain folder? [closed]

How do i set anonymous ftp logins to a certain folder and restrict access if neccessary? (E.g. all anonymous connections are sent to /ftp directory)
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0answers
44 views

Permission denied to resize filesystem

Im attempting to resize a filesystem on a mulipathed volume that I've grown, rescanned all the disks, and resized the multipath map. # resize2fs /dev/mapper/my_vol resize2fs 1.43-WIP (20-Jun-2013) ...
1
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1answer
36 views

How to configure a Linux network namespace that allows UDP broadcast

I'm trying to use the ip netns family of commands in Linux to create a network namespace in which I can run a program that uses UDP broadcast. I do not need access to the Internet, or any interface on ...
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0answers
7 views

sensu multiple instances on same server

Is it possible to run multiple instances of the sensu server on the same box? The intention is to have a "development" monitoring server to split the clients away from the production servers
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1answer
27 views

How to avoid GRUB errors after runing apt-get upgrade - ubunut

I'm running ubuntu 14.04 on an EC2 After running apt-get upgrade I'm prompted with a screen that asks me to reinstall GRUB boot loader The GRUB boot loader was previously installed to a disk ...
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0answers
32 views

wondershaper doesn't work for redirected traffic

I'm trying to prioritize my network so small packages get through quicker so latency-dependent applications don't get unusable when downloading/watching videos. I want to use one pc(with one nic) ...
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0answers
13 views

HAProxy resetting backend connections

I'm in the process of setting up a series of servers as proxies to our application server, primarily to obscure the application server's IP as part of a suite of anti-DDOS measures. My goal is to ...
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votes
0answers
16 views

How to mount a remote file system in FreeNAS? [closed]

I have a FreeNAS and I need to mount file systems on Linux or Windows while I am logging in to the system. I mean the file system is the same for both operating systems. Is it possible with NAS? I ...
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0answers
29 views

why is my server fork rate increased? [closed]

I see my server fork rate increased almost from 800 forks/min to 2500 forks/min in munin graph. My server is running VPN service which is serving 250 clients maximum. Other than this service there is ...
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votes
0answers
31 views

How to setup an smtp server in Intranet sub-domain using linux? [closed]

I am the developer of web application hosted in an Intranet Linux server. This application needs email to communicate with internal users (Intranet). We can send emails to an MS Exchange server but ...
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0answers
7 views

How can I generate two Grub2 entries for each kernel? [migrated]

Due to bugs in my laptop's BIOS (or some such thing), I use the boot flag nox2apic when I know I need to attach an external monitor. However, when this flag is enabled, pressing some multimedia ...
0
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1answer
26 views

Error Log levels Apache 2.4

Is there any way to temporally get more detailed log errors in Apache 2.4.6 on Centos 7 ,if so , what would it be the way to look into the actual level of logging and which one would it be the way to ...
0
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1answer
32 views

linux pseudo files for rotating streams

i've got some problem with rotating files. Situation is next: one program like wireshark or vlc dumps all to one file, say netstream.bin If i mv netstream.bin to netstream.bin.rotate program will ...
1
vote
1answer
43 views

How to deploy an application composed of Docker containers into the AWS cloud? [closed]

What are the best practices for deploying Docker containers in production on Amazon Web Services cloud? What production-ready non-AWS specific orchestration tools would you use for continuous ...
2
votes
1answer
154 views

Cannot ping to localhost into CentOS

I'm connecting to my server (Centos 7) with ssh and I try to ping to localhost: ping 127.0.0.1 but doesn't work: ping 127.0.0.1 PING 127.0.0.1 (127.0.0.1) 56(84) bytes of data. ^C --- 127.0.0.1 ping ...
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0answers
3 views

Debian Network-manager, how is the steps of connections to a captive portal [closed]

now a few days ago I'm looking how the network-manager works to automatically open to the browser when connected to a captive portal. I know Windows and Apple need to have their own domain hosted ...
1
vote
1answer
26 views

How increase classes in HTB? [closed]

I am trying to setup a traffic shaping by HTB and tc. I have 70,000 users and I want to control the bandwidth of each user, so I create 70000 classes, and assign each ip address to a class by ip ...
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0answers
25 views

why cisco VPNC work on the second time each time and not on the first time

I use the vpnc ( cisco VPN that installed on linux red-hat 6.X ) and the vpnc.conf file look like this more /etc/vpnc.conf ## generated by pcf2vpnc IPSec ID Comvwde IPSec gateway 217.118.6.7 ...
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votes
1answer
36 views

ldapsearch result: Can't contact LDAP server (-1)

Anyone knows which the problem? I installed LDAP: yum -y install openldap-servers and then checked is the installation work well starting slapd service and doing ldapsearch like this: ldapsearch ...
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votes
0answers
13 views

How to test the performance of Hadoop Cluster? [closed]

I have already set up a Hadoop cluster, the version is 2.6.0. But I don't know how to test the speed or other performance relate to the cluster. Can anyone tell me how to test Hadoop cluster? Is there ...
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0answers
28 views

“Packet Dropped” in OpenVPN on Ubuntu Server

I configured OpenVPN Server in Ubuntu 14.04 Server. It's okay but in /var/log/syslog I got the error. Mon Jan 26 02:46:02 2015 us=389908 user/20.10.10.1:57237 MULTI: bad source address from client ...
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0answers
43 views

POST from Apache webserver to IIS has 130 second delay in response if using SSL

We have built a simple API using ASP.NET MVC (C#) running on IIS 7.5. The API accepts POSTed values and then returns an XML response. We have one client (using Apache webserver on Linux) that is ...
0
votes
1answer
21 views

IPSEC stack low speed

I am working on Openswan IPSEC Implementation for Linux-kernel 2.6.35.9 My concern is when i do speed test using IPSEC kernel Images and without running IPSEC service i get speed of 40Mbps and ...
1
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1answer
37 views

Linux soft RAID6 how to identify last failing drive [duplicate]

I have a RAID6 array that had been neglected, and just had the third drive fail. I want to do a ddrescue of the last drive to fail to try to recover the RAID, however I don't know how to identify ...
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2answers
66 views

Port scanning from VM users

After receiving an Abuse Notice from my server provider, i was wondering how they make to check up all my traffic and send me these abuses. I would possible like to know if there is some kind of ...
0
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1answer
53 views

124 emails sent at once while one should be sent every five minutes by cron if a certain web service stops running

So I set up a simple script to send an email alert when a certain web service stops running. It has a simple flow of: test = $( curl [address] | grep [a certain string in response] | wc -l ) if [ ...
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0answers
26 views

What you want to see in daily linux server monitoring mail? [closed]

I write bash script, which collect information from ubuntu server and send it by mail. With this script you can see: Your clamav antivirus information Which ports are open How many users in your ...
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0answers
27 views

Recover rm'd files from last day? [closed]

TL;DR: Can you recover only the files that were deleted today? I'm in the process of testing different linux distros as I haven't found the right one yet. Part of this testing involves mounting a ...
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0answers
45 views

Debian DNS servfail

I have serious problems, and been struggling for days with this...Please help me what's the problem? :( i get servfail error everytime i do nslookup, and i tried everything... Please save me! very ...
4
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0answers
27 views

User permissions/feature limitations of the native zfs smbshare service on linux

I'm using zfs on linux, using the sharesmb=on option to try out the native smb share feature instead of adding the zfs tank path to my smb.conf file. The share has shown up on my windows machines, ...