Tagged Questions

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

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1
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2answers
40 views

screen command process id

First of all sorry for my bad english and i am new at linux. When i do this, it can write process id to pid file start () { echo -n "Starting someserver.jar: " java -jar ...
0
votes
0answers
17 views

Cannot query UDP services

I run a couple UDP services, one including Teamspeak 3. Unfortunately, I am unable to query either of these UDP services (I cannot connect to the Teamspeak 3 server) besides the TCP based stuff, ...
-1
votes
1answer
26 views

init.d script getting error

First of all sorry for my bad english Ok, i wrote a init.d script and i don't know its true or false (i am new at this things) #!/bin/sh . /etc/init.d/someserver start () { echo -n $"Starting ...
0
votes
2answers
25 views

How to configure ssh access for an unattended linux-distro ISO image

I configured packer.io to build unattended iso installs of various debian-derived distros to VMware fusion. As i configured the VMs for ssh access, it times out and the build artifacts created are ...
-5
votes
0answers
44 views

Slow site, most time spent Blocking/Connecting [on hold]

My site is based on user-submitted content, meaning that users can upload images, etc. The problem is, my website loads extremely slowly on first load (before it caches). For example, here is the ...
10
votes
1answer
68 views

How do I make sec ignore a timestamp properly

I have a rule that is set up like so; In /etc/sec/rules.d I have; type=SingleWithSuppress ptype=regexp pattern=(\S+) sshd\[\d+\]: PAM \d+ more authentication failures\; logname=.* uid=.* euid=.* ...
0
votes
0answers
7 views

increasing shrink space in windows 7 [migrated]

I am trying to install Linux on a machine that is currently running windows 7 home edition. I want to keep windows 7 and install windows in a partition. So I went to Disk Management, right-clicked ...
0
votes
0answers
11 views

Connect to Oracle Linux 7 server via VNC from Windows 7

I'm in the process of setting up a small Oracle DB server, and am trying to figure out how to connect remotely to it. So far I've gotten to the point where I can SSH in to it, and can connect to ...
-3
votes
0answers
27 views

Linux super light-weight http/web service [on hold]

I know of Lighthttpd as a light-weight way of serving files via http, however, this does too much (CGI, Output compression, URL-Rewriting). I wonder if there is a way to serve files from a server, ...
3
votes
1answer
21 views

What is the default journal commit interval of XFS?

Ext3 and Ext4 have a default journal commit interval of 5 seconds, which can be changed with the 'commit' mount option. I can verify that my VirtualBox host indeed flashes its disk icon after 5 ...
-3
votes
0answers
56 views

Linux can't detect all memory [on hold]

I have a server with four nodes.The total memory size is 512G. After installing CentOS 6.5,I found the total memory is only 260G. And here is the information in /proc/buddyinfo : Node 0, zone ...
1
vote
0answers
17 views

Build a repository with apt-mirror for ubuntu with changelogs

is it possible to create an internal mirror of the ubuntu update repository with apt-mirror including all the changelogs. I have the following output when i ask for the changelog of a package: ...
0
votes
1answer
27 views

How to use .htaccess and .htpasswd for selective redirects & passwords

In my /var/www/ directory I have many directories some like: /var/www/impdata/ /var/www/data/ So can I achieve this: When I go to: www.websitename.com/data/ it should give an 404 error. And when ...
-1
votes
0answers
10 views

How to test ebtables/ping between 2 bridged VLANs? [on hold]

I defined two VLANs: eth1.2 and eth1.3. I added them both to a bridge I created: br0. Now I want to 'play' with them using ebtables. I want to set some routing rules. My question is how can I test ...
1
vote
0answers
29 views

Is it overkill to use Ganglia and Nagios for one server? [on hold]

In my home I run a Plex/Data server. It basically just serves everyone's files and then Plex to play movies and such. A Teamspeak server also runs on it, but nothing major other than those tasks. I ...
0
votes
0answers
15 views

Encrypting SVN Store with ecryptfs

I previously had TrueCrypt setup to automount my SVN repos on the Subversion server at boot with an automated network script that used a keyfile on a protected share to mount the volume. Now that ...
-1
votes
1answer
40 views

Map drive from windows to linux file share [on hold]

What I would like to do is to fire up a linux based cloud computer and be able to map a network drive from a local windows computer to this remote linux cloud computer. Is this possible?
1
vote
1answer
12 views

Using sssd ldap access filter DENY based on group?

I am currently using sssd.conf to only allow login for ldap users that are in a specific group. I would like to do the opposite and DENY login based on group membership of a user, while allowing all ...
0
votes
0answers
34 views

KVM does not boot with .iso disk images. Device or resource busy?

I've been trying to set up a windows VM on my Ubuntu box by following the linked blog post http://www.pugetsystems.com/labs/articles/Multiheaded-NVIDIA-Gaming-using-Ubuntu-14-04-KVM-585/ So I have ...
-1
votes
1answer
21 views

Random 403 Forbidden error (Apache 2.4)

My Apache 2.4 (CentOS 7) server hosts multiple websites. Sometimes I get a 403 Forbidden (You don't have permission to access file X on this server) error when accessing any of the websites files ...
-3
votes
0answers
22 views

Map remote host to local ip (linux) [on hold]

How can I map remote host to local ip? For example: If I map google.com to ip 192.168.1.15 so when i ping 192.168.1.15 i get forwarded response from google.com Maybe Iptables or something?
0
votes
0answers
30 views

Is there a way to check the syntax of a crontab file without actually installing it?

I know that "crontab -e" performs a syntax check before attempting to install an edited crontab. However, I am looking for a way to verify that the syntax of a crontab file is correct, even if: the ...
3
votes
2answers
186 views

tcpdump truncates to 1472 bytes useful data in UDP packets during the capture

I am writing an application which work with network. To perform some tests I need to reproduce the flow which I had a day before. But at the same time it is not allowed to stop the current working ...
-7
votes
1answer
29 views

WHM install dropbox automated server backup? [on hold]

is it possible to make automated backup on dropbox business account for my server ? my server has over 100 website total backup size about 500GB is there any tutorial or example for my request ?
-1
votes
1answer
18 views

linux server still recognizes the old domain after changing it to new one

I have some Linux servers (RHEL 6.3 and 5.4) under one domain (MS Windows server 2008R2) and every thing was working fine, but we decided to change the domain from olddomain.com to newdomain.com, now ...
-2
votes
0answers
29 views

Unable to change root's password (Ubuntu)

all. Long-time Linux user here... but this one's got me stumped. root@hal:/var/log# passwd root Enter new UNIX password: Retype new UNIX password: passwd: password updated successfully ...
4
votes
2answers
96 views

Server overloaded, acts like out of memory, but thats not true

I have a Centos 6.5 server, running QEMU-KVM virtualization: hardware: 40 CPUs 400 GB RAM software: Kernel: 2.6.32-431.17.1.el6.x86_64 Qemu: 0.12.1.2 Libvirt: 0.10.2 There are 3 guests, with ...
3
votes
3answers
81 views

Setting up FQDN in sendmail [on hold]

In this blog post he suggests echo '127.0.0.1 localhost EXAMPLE.my_domain localhost.localdomain EXAMPLE' >> /etc/hosts but ends the post with But this is a less desirable approach ...
0
votes
2answers
34 views

Dockerfile separation of concerns for a secure apache httpd server with respect to SSL certification files

Issue: In a non-docker solution, the SSL certificates can be located in /etc/pki/CA/.... and with references to these in /etc/httpd/conf.d/*.conf files. How must these SSL certificates be ...
-1
votes
0answers
12 views

xfs maintenance mode in redhat 7 [migrated]

In my desktop I installed redhat 7 and after reboot it went to maintenance mode, After entering the password it is not allowing to do a file system scan for root and every time it boots enters to ...
0
votes
1answer
32 views

mySQL issue at installation

I have great trouble with mySQL installation. The error message in log (/var/log/debug) is: Nov 20 11:17:41 gotfarm1 /etc/init.d/mysql[11880]: 0 processes alive and '/usr/bin/mysqladmin ...
1
vote
1answer
24 views

Ubuntu Server 14.04LTS Swappiness for server with 16GB memory

(don't worry I'm not asking what my setting should be, asking for the theory behind some conflicting advice I've read) My application is one that is lightweight and not under much load, but needs to ...
0
votes
0answers
14 views

Export munin data, import it and rebuilt html and graph

I am trying to read data collected from a server to an other server. Reading Change a Munin server and keep the data seems show a way to do this. exporting rrd database using rrdtool dump importing ...
0
votes
1answer
26 views

Optimal configuration of “Processor load is too high” trigger in Zabbix

I monitor approx. 10 Linux servers with 4 CPU cores each with Zabbix. I was receiving way to many false alarms from "Processor load is too high" trigger lately. The "Processor load is too high" ...
0
votes
0answers
3 views

file not found, but the file is there [migrated]

running an Ubuntu 14.04 x64, I like to execute an binary file. This one: $ ls -la /opt/android-sdk-linux/tools/emulator -rwxrwxr-x 1 tho tho 35640 Nov 19 14:46 /opt/android-sdk-linux/tools/emulator ...
-1
votes
0answers
13 views

unzip file and import it on the same line [duplicate]

I upload a gzziped file that contains an sql file, I would like to extract it and use it in the same line so I don't need to delete it later. steps: - I upload a file the web interface - in my code I ...
-1
votes
0answers
14 views

Login kickout every time in Ubuntu Server 14.04 LTS

We have installed Ubuntu 14.04 LTS in our production servers. Our Dedicated server disk was filled, due to that issue one of the production server stopped. While troubleshooting i found that disk was ...
2
votes
2answers
253 views

Alternative file system/volume manager for ZFS w/ non-ECC RAM?

It's not recommended to use ZFS for a computer without ECC RAM. So, what's a good alternative then? Or is the risk the same, so it doesn't matter what manager I use, it'll be the same problem if a bit ...
0
votes
0answers
45 views

How to print a range of IP addresses with Linux seq command [migrated]

How can I print a range of ip addresses on linux command line using the "seq" command? For eg: I need seq to print a range of ip from 10.0.0.1 to 10.0.0.23 . Seems like the period in between the ...
-3
votes
0answers
38 views

Which is the best OS level container management system [on hold]

I've been researching a bit for the best, securest, easiest to maintain, and easiest to firewall (using software firewalls like iptables) container solutions for a while and I would like to hear some ...
0
votes
0answers
30 views

Clients Unable To Connect To Server Or Database

We recently moved several of our servers and VMs from one location to another. We have already go through and set up DNS and given all the correct IPs for all the machines we needed but we have one ...
0
votes
0answers
29 views

Local DNS Server [on hold]

I am working on a tool that provides 'global virtual host/VPN' configuration for a LAN. Say I have some domain, mylan.example.com, that points to my router at home. I have a number of machines, alpha, ...
0
votes
1answer
12 views

Centos 7 on Windows Azure, who mounts /dev/sdb? (systemd)

I need to find out which systemd service mounts /dev/sdb (aka /mnt/resource) on Windows Azure? I am using Centos 7 image and it is systemd-based and I am trying to launch a service that depends on ...
1
vote
0answers
17 views

“Open files” ulimit applied only when using 'su - userX' but not when I SSH into server

I'm running Ubuntu 12.04. My problem is that the ulimit values described in limits.conf are not being applied when I SSH into my server using a non root account. Either that or they are being applied ...
0
votes
2answers
30 views

Can I & how do I write a standard file to a directory as the same user no matter which user I write the file as?

I am working under Linux and I have a directory, /data/history/export which has a user captain and group crew. I would like users mike, joe, and steve to ALWAYS write to this directory as user ...
0
votes
3answers
48 views

Evaluating the CPU I/O wait on Linux

Doing a top to check the io wait, I get these figures: Cpu(s): 6.7%us, 1.4%sy, 1.2%ni, 85.5%id, 5.0%wa, 0.0%hi, 0.3%si, 0.0%st Looking at these figures (%us ~= %wa), do they mean that: ...
-5
votes
1answer
39 views

php5.6.2 installation with httpd24 ( apache version 2.4.10 ) on centos/rhel [on hold]

using this repo : http://dl.iuscommunity.org/pub/ius/stable/CentOS/6/x86_64/ius-release-1.0-13.ius.centos6.noarch.rpm for php installation , and for apache i am using amazon linux repo current ...
0
votes
0answers
30 views

How to change FTP user/pass over SSH? [on hold]

I have an root user on my VPS serevr. Server is based on Linux, Debian - Apache. I have got root user/password to access on it via SSH console. I did something bad and cannot figure out what password ...
-1
votes
0answers
32 views

How to serve asp.net pages on linux using microsoft .net? [on hold]

Now that Microsoft open sourced .net, it is theoretically possible to use .net without mono on linux. I have tried to find out how to get it running on ubuntu, but couldn't find any resource. Is it ...
1
vote
2answers
33 views

Make CentOS 7.x a port forwarding NAT device

I would like to make CentOS a port forwarding NAT machine using iptables. This is the first time I've tried this and I think i might need a little help. This is the configuration i'm trying to ...