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

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-2
votes
1answer
37 views

linux: raid4 without striping [closed]

I would like to assemble a software raid array of same-size hard drives. I want a RAID4-like setup without striping. The array is needed for a special backup usecase. Once a year all drives are ...
-1
votes
0answers
22 views

Can access Ubuntu server through SSH cannot connect to internet [closed]

Something weird is up with my Ubuntu server, I can easily connect to it using SSH but when I ping www.google.com, or the IP or try to resolve any domain it fails. What could cause this?
-2
votes
0answers
30 views

Building my web-app’s infrastructure [closed]

I hope posting this question is okay! I’m currently planning the first version of the infrastructure behind my web-app (Laravel, PHP). The current plan I have is a combination of different articles ...
-3
votes
0answers
24 views

Linux command to find and remove the malware script from the website files [closed]

Can some one let me know the linux script or command that will search for the malware patterns and remove those from the website files. Please note that the "sed" utility is blocked on the server ...
-1
votes
0answers
55 views

Why would xbcd.com resolve to the localhost (127.0.0.1) on Linux (Ubuntu) and Android? [migrated]

When 1) pinging xbcd.com I get 127.0.0.1 2) using a web browser and the URL xbcd.com leads me to the local webserver, if it exists. I've tried this on Ubuntu 14.04, multiple networks/DNS, as well ...
-4
votes
1answer
40 views

Ubuntu insufficient disk space [closed]

I am getting an insufficient disk space error, here is my df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 29G 28G 31M 100% / none 4.0K 0 4.0K 0% ...
0
votes
0answers
28 views

Apache - php-fpm - Root requests resulting in 404

Recently I was able to switch all the apache servers in the lab from prefork to worker/fastcgi/php-fpm, and everything seems to work well except for one thing. Requests to root web directory result in ...
-3
votes
0answers
23 views

How to find the URL of unknown tomcat app name

For example I have app: myapp.com:8080/xyz123 How to access to this app thru browser without knowing "xyz123" app folder name in webapps. Is that possible at all?
0
votes
1answer
23 views

Installing Plesk 12 of on Virtual Server

I'm trying to install Plesk 12 on a Virtual Server through VMWare, however I keep getting error message relating to php-common being required for php-imap and php-mbstring, but I have the correct ...
0
votes
1answer
12 views

Permanent header in bash terminal [closed]

I'm working on a small server I want to put together (nothing big, an Android HDMI dongle, running Debian armhf, no desktop, just remote), and I want a small little feature I've seen at a few places ...
0
votes
0answers
22 views

Samba Permissions Issues

I am having some issues with samba on my Fedora file share server. I've logged into the vncuser below on the server itself and I can access the directory, however I get permission denied errors when I ...
-1
votes
0answers
26 views

What middleware to choose? (easy to use) [closed]

Our company is looking for some sollution (middleware?). We have 3 information systems and basically we want to exchange some JSON objects over HTTP protocol. Our requirements: OS: debian, cenos, ...
-6
votes
1answer
33 views

Advice for server setup [closed]

I was ask to setup a server with centos, Postgres, tomcat, and a few more. I will be given 2 SSD but they won't be mirrored or raid instead they want me to clone the first drive to the second then ...
0
votes
0answers
47 views

Apache Directory index doesn't work but index.html yes

2 hours, 2 hours struggling with that. www.domain.com/index.html works, but www.domain.com show indexes, if i click on the index.html, nothing happens. This is the virtuahost. NameVirtualHost *:80 ...
0
votes
2answers
32 views

Linux `file` command display encoding

The file command returns me the encoding of a file + the EOL if it's not LF. But it returns ASCII for both ANSI and UTF-8 without BOM. On UTF-8 files it returns UTF-8 Unicode (with BOM). An I doing ...
0
votes
2answers
50 views

Linux Distributions for Limited Bandwidth [closed]

I was recently in a situation where I had limited bandwidth (20GB per month) so I was wondering what Linux distributions (desktop or server) have low bandwidth requirements as far as updates are ...
-6
votes
1answer
58 views

How to install software on Linux without package managers? [closed]

I'm completely puzzled about how to install software on Linux without package managers. I recently messed up apt and I'm unable to apt-get install anything. Is it possible to install software on ...
-1
votes
1answer
38 views

BIND with external web server [closed]

I am trying to get up and running my own DNS server but something is wrong. I do not get any error but when I access to www.example.org the page is not loaded. I am using Linux. My registered ...
0
votes
0answers
15 views

amazon ec2 ftp RETR hangs

The problem is with an Amazon ec2 instance "Red Hat Enterprise Linux Server 7.0 (Maipo)" (kernel 3.10.0-123.6.3.el7.x86_64) When attempting to RETR a remote file the FTP client hangs indefinitely. I ...
4
votes
1answer
35 views

Preserving existing destination symlinks with rsync

I am using rsync to keep a local debian repository updated. Recently, the disk I am using to store it started running low on space, so I decided to use symlinks to allow me to move some of the ...
0
votes
0answers
40 views

CentOS 7 mpath Install, Can't Find /dev/centos/root

I am attempting to install CentOS 7 on an older SuperMicro H8QM8 motherboard (AIC-7902 SCSI controller, aic7xxx kernel module) with 3 attached drives. The Adaptec SCSI bios recognizes the drives and ...
0
votes
0answers
10 views

DNS queries fail from local machine running dnsmasq

I have a "sandbox" web server setup for my developers to work on. Each one has their own IP, with all the "production" hostnames configured, and a DNSmasq configuration to answer for those production ...
0
votes
0answers
25 views

Kernel panic installing CentOS7 guest on CentOS7 host

I'm trying to install a CentOS 7 guest as a guest on CentOS 7 KVM host but keep getting a Kernel panic, and it seems to happen at the exact same spot every time. I've even tried installing a CentOS 6 ...
0
votes
0answers
23 views

How to forward a host alias in to an ssh session

We have a lot of hosts with rather cryptic names, and to make life easier for us we have alias for them, So we can for example do "ssh mon1" and end up on "gen3-r720-mon-14ef". However, when we do ...
0
votes
2answers
85 views

How do we find out what is causing high cache usage on our server?

Every Friday from about 22:00 our server starts using large amounts of cache and then dies about two hours later. Please look at the following Cacti graph. We tried hunting processes which use ...
0
votes
1answer
17 views

insserv: warning: script 'uwsgi' missing LSB tags and overrides

This is my code: #!/bin/bash daemon="$APPVENV/bin/uwsgi" args="--emperor $APPCONF/uwsgi/app.ini" pid="$APPDIR/emperor.pid" case "\$1" in start) echo "Starting uwsgi" ...
0
votes
1answer
34 views

What does r10k provide since Puppet natively supports directory environments?

I'm just starting to read about r10k because I love the fact that it can create dynamic environments based on Git branches. Now, I just read that Puppet can do this without r10k. What does r10k ...
0
votes
0answers
22 views

php-fpm: Maintain php_mod logging format

I recently switched all my lab servers from apache pre_fork/mod_php to apache worker/fcgi/php-fpm, and after getting everything set-up correctly, I noticed one last issue; php-fpm is adding it's own ...
2
votes
1answer
58 views

Should I use cron.hourly or crontab?

It seems that all the suggestions for using/scheduling awstats is via crontab, as such: 0 * * * * /usr/local/awstats/wwwroot/cgi-bin/awstats.pl -config=mysite -update >/dev/null (running awstats ...
0
votes
3answers
78 views

PubKey Authentication not Working

I tried setting up PubKey authentication between my Mac and CentOS dedi server, but something is up... Here's the steps I took: ssh-keygen -t rsa Then chmod 700 .ssh/ && chmod 600 ...
0
votes
2answers
30 views

how to run the dialog command with proccess

Please look on my code – ( bash script ) I want to display both dialogs on the screen on the same time, one dialog display the: tail –f from - /var/log/proccess1.log , and the second dialog ...
-1
votes
0answers
42 views

Why is Server using all RAM? [duplicate]

I have a video streaming website. On another server I have videos that I encode as mp4, the server also has a php script that I use to stream the videos so it is like ...
1
vote
0answers
23 views

Creating redundant IPSec connections using OpenSwan

I have a linux (netkey) instance with openswan installed, the instance has two connection to the same IPSec peer that needs to act as redundant connections. both connections' properties are the same ...
1
vote
0answers
35 views

Increase character width in Ubuntu server shell? [migrated]

Is there any way to increase the character width from 80 to something higher in the shell in an Ubuntu server?
0
votes
1answer
28 views

Vsftpd access over wan

I can't seem to get ftp access over wan, local works perfectly fine. Initial connection over WAN works fine, but the server rejects passwords with the error 'Can't write to control socket. Socket ...
1
vote
0answers
36 views

shorewall can'T start: UNTRACKED state requires Raw Table in your kernel and iptables

I'm trying setting up my firewall and installed and configured shorewall. Unfortunately I tried to directly configure iptables first, but this didn't work. When I start shorewall, I get this messages ...
4
votes
5answers
207 views

Requests take a really long time from certain ISP

We have an Apache server with PHP running on a virtual machine. Document roots are inside the users' home folders (/home/users/{first letter}/{username}/), and /home/users/ is mounted over NFS. It ...
1
vote
1answer
27 views

Combining two conditions for configuring NFS Server

Linux newbie here! Having a bit of trouble with writing the NFS config. I want to allow /directory/somedirectory to be accessed (read/write permission) to users that are part of 'group1' AND are also ...
1
vote
1answer
30 views

Command apt-get -t wheezy-backports install linux-image-amd64

I have a server with Debian wheezy and kernel vmlinuz-3.2.0-4-amd64, hosted at OVH. I would like to upgrade the kernel. Normally at ovh, you can find some kernel already configured. but the files I ...
0
votes
0answers
22 views

apcupsd vs NUT in Proxmox environment

I have a Proxmox node which is actually is HP Proliant DL 320e G8 server + APC SmartUPS 750 connected directly to the server by usb cable. On the host are running several Linux VMs. My question is - ...
7
votes
2answers
124 views

Storing AWS credentials securely on a personal machine

How can I securely store AWS credentials on personal machines? In detail: Everybody in our team requires AWS security credentials for doing administrative tasks (credentials are separated by role). ...
-1
votes
0answers
24 views

JBoss dead but pid file still exists

Our JBOSS EAS application tier servers seem to be behaving erratically. We are runnuning Jboss AS 7.1.1 on Red Hat Enterprise Linux Server release 6.4 running on VMware VSphere 6.1 Typically ...
-2
votes
1answer
76 views

how can I mount and HFS external drive to CentOs 7 minimal [closed]

I have a CentOs 7 minimal server, where I plugged a External Drive made with a macbook and so using HFS drive format. I see the external drive in /etc/sdc but when I try to mount the drive it says ...
2
votes
1answer
30 views

Linux Network tuning to prevent tcp rcvpruned and backlogdrop?

My datanodes in my hbase cluster are triggering some tcp rcvpruned and backlog drops from time to time: It seems to be there are at least two angles to approach this at: Tune HBase/HDFS etc... so ...
-2
votes
1answer
31 views

Squid separate access.log by http_port [closed]

I've AP 2 interface they're ip 192.168.200.1, 192.168.201.1 HTTP access from each interface i'm redirect it to difference squid port 192.168.200.0/24 ==> 192.168.200.1:3129 192.168.201.0/24 ...
-1
votes
1answer
19 views

Application protocol-based port forwarding/redirection [on hold]

I need to split traffic on port 80 between HTTP and non-HTTP, and internally forward HTTP traffic to a port nginx will listen to, and non-HTTP traffic to port 22. Does anyone know of a piece of ...
1
vote
2answers
82 views

Which open source program is similar to the Linux “dialog” command? [closed]

The linux dialog command is a great tool for creating dialog boxes in terminal windows (e.g. in a bash script). However, there is a drawback of dialog which is that the window is always positioned in ...
-1
votes
1answer
40 views

What are common server architectures to build a reliable website [closed]

Sorry, if my question looks too general, but I am looking for an answers to specific problems that I listed below and would appriciate any help. My website is growing in popularity and I would like ...
0
votes
1answer
54 views

Postfix config for backend webservers behind a load balancer

I've two web servers (ws1.example.com, ws2.example.com) with postfix installed locally as a mail rely (using mandrillapp), user access them via www.example.com, which is a load balancer On ws1, the ...
-1
votes
0answers
15 views

Linux pppoe: Possible to make pppoe fetch a new IP address without restarting it?

I would like to know if (and how) it is possible to make pppoe on Linux fetch a new IP address without restarting it. Background: Our internet access is provided by an ISP which assigns dynamic IP ...