All Questions

0
votes
0answers
8 views

multiple attempts of minecraft server? [on hold]

I have the following problem I want to create a server for my friends and I of minecraft in GCP, but following its gui and looking for tutorials I can not achieve it. I manage to create the server, ...
0
votes
0answers
8 views

xpra shadow auth issue

Would like to share the local xserver display, very simple scenario. # xpra shadow --bind-tcp=0.0.0.0:2000 --tcp-auth=allow --auth=allow Am getting: :~# cat /tmp/:0.log No protocol specified No ...
0
votes
0answers
10 views

Parallel MPI_File_open failed on NFSv4 but ran on NFSv3

When using NFSv4, my client reported that their MPI program sometimes report file cannot open or file not found error. I compiled a sample MPI-IO program and confirmed that, if the MPI procs on ...
0
votes
3answers
2k views

Apache never wants to run my python scripts

Environment: Ubuntu 16, Apache 2.4 The last three times I tried to setup Apache to serve up Python I run into the same problem: Apache wants to let me download the script instead of running it and ...
1
vote
1answer
23 views

Hyper-V Server 2016: Not able to automatically grab IP addresses for VMs on a VLAN that is set up with IP Helpers

I'm quite new to this whole thing, so my apologies if my understanding of virtual networking is a bit lacking. I have a Hyper-V Cluster (Server 2016) and I'd like to be able to configure VMs that I ...
0
votes
1answer
32 views

use select and map with ansible

I have a dictionary and I would like to select all elements having vg_name == 'vgapplis' and calculate the sum of their size_FS. I tried this but it does not work. An idea ? - set_fact: ...
0
votes
2answers
1k views

Ubuntu UFW firewall turns itself off

I have UFW enabled on my server. However, I find that it is disabled at times, showing a status of "firewall not loaded". I enable it, verify that it is running (shows loaded and gives me a list of my ...
0
votes
1answer
41 views

Listeners reset to HTTP after every deployment

My setup is this: Azure AKS with application gateway as the ingress. I have a deploy.yml and a service.yml describing my service, and I have a tls secret set up properly. Problem is this, I can use ...
0
votes
1answer
30 views

Correct way to update an RPM package in a local repository

I made a local CentOS 7 repository (here) with custom packages built and it is working fine, the problem is in yum update. When I update the source of an RPM package, I either increase the epoch or ...
0
votes
0answers
17 views

Exim frozen messages

Recently, I began to receive similar frozen messages. I have a Debian GNU / Linux server 8.10 Exim version 4.84_2. Everyone reports that this version is not confirmed by attacks, however I get the ...
1
vote
3answers
31 views

DNS server on AWS : How to use iptables to redirect requests to it

I'm running my own DNS server on an AWS instance. I've modified my security group to accept UDP and TCP connections on port 53. However, my server is running on port 8053 so I somehow need to direct ...
0
votes
0answers
17 views

Reverse Proxy WITH certificate chek

I want to use an Apache 2 as Reverse Proxy. I do have 'valid' certificates for every server. Let's have the proxy (proxy.tld) and the webserver (web.tld). The webserver is not accessible from the ...
0
votes
0answers
38 views
+50

Apache2 full CPU Usage after exiting with error ('unable to create worker thread')

I've got my Apache2.4 (mpm_worker) instance exiting with following log: [Mon May 27 11:27:33.196177 2019] [core:warn] [pid 567365:tid 139765793668032] AH00045: child process 567368 still did not exit,...
0
votes
1answer
6k views

Running jupyter notebook on GCP with image TF

I created a VM machine from image TF (tf-1-10-cu92) to use tensorflow. I found that it includes already jupyter notebook but I can connect to it just the first time. Later I encounter an error A ...
0
votes
1answer
1k views

Problem establishing remote DNS access to Lacie 5big Network 2

I wish to set up remote access to my Lacie 5big Network 2 storage. The 5big is connected directly to a gigabit switch. Access to the internet is gained through a Netgear DG834DV router which is also ...
2
votes
3answers
2k views

Install Mod_Security for Nginx without need to recompile

I've got LEMP all setup. Now I would like to add mod_security. I tried to research but all I could find are instructions on how to recompile nginx. Is there a way to add mod_security without needing ...
0
votes
0answers
9 views

Incremental variable in ansible azure

Any ideas on how to make the variable increment every time I play my playbook so I can reuse my playbook for multiple projects? For example, I want my resource group name to be called "rg1". The next ...
0
votes
0answers
12 views

What types of ports do current KVM switches use?

I have a KVM switch that I use to control 5 desktops in my office. It is a Blackbox ServSwitch, KV3108SA_R4. I bought it over 10 years ago and it's worked fine until about a few months. The KVM ...
0
votes
3answers
1k views

Frequent occurence of FULL GC

There is a frequent occurence of FULL GC in our system. We are using Java application running on Tomcat server. Our application is running using internal load balancer setup. We are seeing lot of ...
2
votes
1answer
1k views

How to limit the maximum network speed in the whole Virtual Host?

Background I have a Apache (with NginX Reverse Proxy) as web server. I have a forum and a image host service running. But as you know, image host service causes a lot of network bandwidth (Mbps). I ...
0
votes
1answer
1k views

Benchmark: nginx1.8+php-fpm vs apache2.4+mod_php

I'm benchmarking these two setups (installed on the same system) nginx 1.8.0 + php-fpm (5.6.14-0+deb8u1) apache 2.4.10 + mod_php (5.6.14-0+deb8u1) Have runned through the output of phpinfo() and ...
0
votes
1answer
14 views

Make a list of up servers and pass that list to work with my actual playbook?

I have an ansible playbook as shown below and it works fine most of the times. But recently what I am noticing is it is getting stuck on some of the servers from ALL group and just sits there. It ...
0
votes
0answers
10 views

How to increase max pool connection size in azure? [on hold]

I need to increase pool connections size on azure.
1
vote
2answers
1k views

How do I deploy files to Apache Tomcat in a similar fashion to Apache Webserver, ftp

I need to deploy some files to a Tomcat App Server, is it possible to access the root directory of an application, and upload files to a folder? I have only used Apache WebServer thus far, and I can ...
1
vote
2answers
1k views

Adding anonymous IURS IIS user fails into SQL SERVER 2008 R2

I am trying to add a anonymous IIS user [IUSR] to a SQL SERVER 2008 r2 database. But I am getting the following error: 'notebook/iusr' is not a valid login or you do not have permission. I think ...
0
votes
1answer
30 views

Nginx configure subdomain on https, privacy error

I have a domain ambroise-rabier.fr and like to add a domain analytics.ambroise-rabier.fr, also in https. On chrome I get privacy error, unless I duplicate ambroise-rabier.fr value in each server_name ...
5
votes
3answers
2k views

How do I list which drives are part of each RAID array?

I have a linux software RAID using md. I want to list all of my RAID arrays and each hard drive attached to them. Is there an easy way to do that?
0
votes
2answers
423 views

Munin Limits on COUNTER and DERIVE Data

For Munin plugins of COUNTER and DERIVE type, what values should I use for ${name}.warning and ${name}.critical values?
1
vote
4answers
1k views

SVN Corrupted, need to move with history

We have had a problem with out svn repo, it contains everything so is extremely important. When we ran a dump we would get the error message svnadmin: E200002: Serialized hash malformed This is ...
0
votes
1answer
1k views

Cyrus with SASL authentication keeps appending hostname

I am currently in the process of setting up a new Cyrus mailserver and running into quite a funny paradox. I am trying to use the auxprop pw_check mechanism to let Cyrus read /etc/sasldb2 for user ...
0
votes
0answers
21 views

changed the name of the computer - SQL server

i changed the computer name, and entered this commands in SQL server management studio (ssms) sp_dropserver <old_name>; sp_addserver <new_name>, local; i press this query select * ...
2
votes
1answer
965 views

Can't find disk partition to install windows server

I bought the HP home Proliant microserver gen 8 , and i m trying to install Windows Server 2012 from a bootable USB . I created a bootable USB drive with a Windows Server 2012 iso image and i boot ...
1
vote
1answer
1k views

Setting default_smp_affinity on Linux to the correct value

I have 12 core boxes: egrep -c processor /proc/cpuinfo 12 cat /proc/irq/default_smp_affinity fff I would like to use all of the cores so my understanding is that the default_smp_affinity should be ...
11
votes
2answers
18k views

How to use the ssh server with PAM but disallow password auth?

Many tutorials tell you to config your ssh server like this: ChallengeResponseAuthentication no PasswordAuthentication no UsePAM no but with this setup you cannot use PAM, as i plan to use 2 Factor ...
2
votes
1answer
1k views

Datastax community edition in windows - Error in creating the test cluster

I recently installed Datastax community edition for windows. As per the installation manual, after successful installation, the Ops Center is supposed to open and show the status of the Test Cluster. ...
1
vote
2answers
1k views

What Puppet resource types require an audit metaparameter to force Puppet to manage the resource if it's removed?

Until recently, I was under the impression that merely declaring a resource with various attributes would ensure that Puppet manages the resource and brings it back to the configured state if it were ...
0
votes
1answer
29 views

tcpdump filter by/print last hop

If I have a network that looks like this: 56.56.56.56 192.168.0.1/24 ___________ ---| Modem 1 |----- | ___________ | ...
0
votes
0answers
10 views

win10 you don't have access to this folder takes long time [on hold]

Have SSD from another PC that has win10 home installed on it, nothing wrong with the disk. I slave it off my pc also win10 home, so to simply copy files out of that SSD's My Documents folder. In ...
1
vote
1answer
29 views

Dovecot LMTP rejecting mail from address with apostrophe

I have an OpenSMTPD / Dovecot installation on an OpenBSD server. I recently came across an issue where Dovecot LMTP would reject a message sent to a local user from an address which contains a single ...
0
votes
0answers
7 views

Delete alerts and recheck

I have taking over SCOM (2012 R2) and have tonnes of SCOM alerts, some are over a year old, how can I close all the alerts and get the agent to recheck every server ? Like disk space for example, C:\ ...
0
votes
0answers
21 views

frontend and backend are running but getting error : “ Connection refused ”

This is my haproxy config file looks like . my frontend and backend servers are running , noerrors. port 8442 and 443 is linstening on haproxy server. I am getting error Failed connect to bserverd1....
2
votes
1answer
2k views

Binary body passthrough from API Gateway to Lambda

I think I've closely followed the documentation and tutorials I've found so far, but I still get this to work. I just can't convince AWS not to touch the binary data I'm posting in the body. In my ...
1
vote
2answers
1k views

Why Nagios doesn't accept external commands on my system?

I have enabled external commands, and they do work from the web interface. I have enabled external command logging. I write to the socket with this script: $ echo "[`date +%s`] ADD_HOST_COMMENT;...
0
votes
1answer
1k views

Netscaler URL rewrite

Context: I have little/no experience with Netscaler and I'm just starting to use them. One of the first jobs I've been given to work with it is what I thought would be a simple one. I have to have the ...
0
votes
1answer
1k views

Supervisorctl successfully starts, but cannot stop

When I start supervisorctl, it runs fine without issue. However, when I try to stop it or run status, I get this error: # supervisorctl -c supervisor/stage.conf status error: <class 'xmlrpclib....
0
votes
1answer
46 views

Can I use source MAC of Ethernet packet for UDP reply instead of ARP lookup?

I'm working on an embedded platform with very limited resources where I need to build my own Ethernet frames. If I need to answer a UDP request with a UDP reply, is it ever not OK to just send the ...
2
votes
1answer
2k views

worker_connections are not enough while have idle workers

I try to increase number of concurrent connections my server can handle. $uname -a Linux debian 3.16.0-4-amd64 #1 SMP Debian 3.16.36-1+deb8u2 (2016-10-19) x86_64 GNU/Linux $ulimit -Sn 65536 $ulimit ...
2
votes
1answer
2k views

Apache 2.4 with PHP-FPM and ProxyPassMatch for PHPMyAdmin, is it secure?

I recently configured a Debian 8 with Apache 2.4. Since I have a fairly recent version of Apache, I used ProxyPassMatch instead of FastCgiExternalServer. But when configuring my alias for PhpMyAdmin, ...
0
votes
0answers
15 views

Nginx proxy header variable not working

I'm trying to setup a load balancer with nginx. The problem i'm having for some reason the variable $host not working for me when i try to use proxy_set_header When i tried to go to http://proxy....
0
votes
2answers
2k views

“Too many levels of symbolic links” in NFS via automount resolved by restarting Docker

This is bizarre and while I have a workaround, I'd prefer a permanent fix. I have a small group of GPU machines running Ubuntu 14.04 which I am using as workers for a cloud service that's effected ...

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