All Questions

38
votes
3answers
95k views

Does each subdomain need it's own SSL certificate?

I am creating a websocket server which will live on ws.mysite.example. I want the web socket server to be SSL encrypted as well as domain.example to be SSL encrypted. Do I need to purchase a new ...
0
votes
1answer
92 views

How to debug Django/WSGI/Apache errors

I have a Django 1.11.17 application deployed on Apache 2 and WSGI, Python 2.7. Apache shows an error "Truncated or oversized response headers received from daemon process" I have checked the ...
4
votes
1answer
8k views

Puppet generated systemd unit files?

I expected the following to actually start my service: service{'legacy': ensure => running, start => "cd /vagrant/nginx-reverse-proxy/legacy && /usr/bin/bundle exec ruby app.rb ...
3
votes
2answers
4k views

Is it possible to do client certificate authentication without running HTTPS on a webserver?

(Please note: this question is one of many "why don't you just try it?" questions. I certainly will, but since I haven't found an obvious answer by googling, I thought I might as well make it easier ...
25
votes
6answers
12k views

Nice rsync on remote machine

When using rsync+ssh to access a remote machine, is there a way to "nice" the rsync process on the remote machine (to lower its priority)? Editing the question to clarify: USER PID %CPU %MEM ...
0
votes
0answers
11 views

How to fix/debug nonsensical bind responses

All of a sudden my bind server was captivated by returning NXDOMAIN for .ch name servers. Other servers resolve them fine. This server resolves most queries fine, but this. I issued the following ...
129
votes
7answers
700k views

Resolve host name from IP address

I'm looking for a command line tool which gets an IP address and returns the host name, for Windows.
1
vote
2answers
1k views

docker volume permission denied issue for apache running in docker while apache creating files in docroot

I have created one docker image having apache in it. While running that image into container apache root process is running as root and child processes are running as www-data. One docker volume (...
6
votes
1answer
1k views

How do I get an aggregate of all the stats from all uWSGI vassals using uwsgitop?

TL;DR Can anyone tell me how I may get uwsgitop to monitor all of my vassals in my emperor-vassal setup in one shot? I have an emperor-vassal setup for my uWSGI server, and I need to monitor all my ...
1
vote
1answer
821 views

Synology cifs mount wont allow execution

I have a synology NAS. I am able to mount a cifs directory fine on linux (tried both centos 6 and Ubuntu 12). I can do everything fine except I can't execute anything on it. If I try tab to complete, ...
-1
votes
0answers
8 views

How did I set up a mail alias on ClearOs 7?

A year or two ago, I set up some kind of mail alias on my ClearOs 7 server, so that mail sent to addressa@myserver.net went to me@myserver.net. Now I want to change where the mail goes, but I can't ...
1
vote
3answers
50 views

CentOS 6.10 upgrade to CentOS 7.x

I have a server running CentOS release 6.10 (Final). I would like to upgrade this to latest CentOS 7.x release. To do this, when I am trying to install upgrade tools to help start with upgrade: sudo ...
15
votes
4answers
22k views

How can I create a user only for sftp?

I have added a user to the system via the adduser tool. Then, in /etc/passwd, I tried changing the /bin/bash to /sbin/nologin or to /dev/null, but neither of these worked. I would like the user not ...
0
votes
2answers
37 views

Stop Windows 10 from sending ICMP responses

Is there a setting (in the registry perhaps) which disables Windows 10 from sending back ICMP responses? (Without just blocking them at the firewall)
0
votes
0answers
24 views

Remote PostgreSQL connections don't work with proper listen address and pg_hba line

This is something I've done several times without issue, but for some reason I'm unable to connect to a remote PostgreSQL server. My server is Debian 10 with PostgreSQL 11 installed from the ...
0
votes
0answers
15 views

codeigniter and wordpress install with nginx but blog internal URL is not working

I have installed the code igniter project on the root directory and WordPress blog in the /blog directory. But the internal pages of blogs are not working. Below is the default file code. Tried all ...
0
votes
0answers
22 views

Routing Bridge Docker Network to IPSEC on docker host

I'm in trouble with a specific situation with a stand-alone docker host, ipsec and docker containers network. I have a stand-alone docker host, within it is installed a libreswan 3 ipsec service and ...
0
votes
0answers
8 views

Where is the code of a drupal 8 project that it's stored in an docker image that it's running in Azure with Kubernetes

Hello we are building a project with Drupal 8, php 7.2 and the platform it's azure. What I do to build the image it's this: FROM xxxx.azurecr.io/drupal_base COPY --chown=media:www-data src/website/ /...
0
votes
2answers
20 views

Problems adding a new user to OpenLDAP

I'm trying to get started with OpenLDAP and I'm following this guide https://www.itzgeek.com/how-tos/linux/centos-how-tos/step-step-openldap-server-configuration-centos-7-rhel-7.html I've done all ...
-2
votes
0answers
16 views

Our website is down, when we checked apche2 www-data taking up all the available memory and kept connecting to tor. Can someone explain

Yesterday our website went down. We didn't knew the reason so we restarted the server. Connected to it using ssh. Everything was normal except our server's memory was maxed out. When we checked, we ...
-2
votes
0answers
44 views

I there any way to access my site which is on (Private IP), more info in description [on hold]

I have 1 Machine which I can SSH with Live IP using secureCRT and my virtual machine IP is Private. I have accessed my site with Port forwarding and access it with proxy. Now I want to do this ...
2
votes
2answers
963 views

Autodiscover does not work - Exchange 2016

Recently I've set up Exchange Server 2016, configured external DNS accrodingly. Server itself works fine, can send and receive emails. OWA is working fine aswell (externally and internally). Issue is ...
1
vote
2answers
1k views

proFTPd w/ MySQL Auth, behind NAT - Failed to retrieve directory listing

I am running proFTPd on my CentOS linux VM (which is behind NAT). This is my proftpd.conf configuration so far: http://pastebin.com/raw.php?i=X8rXYbSJ When ever I connect to the ftp account in ...
0
votes
0answers
20 views

Very high load on nginx server and crashes occasionally

I have a active site built in Codeigniter on ngnix server with medium traffic. Occasionally the server cpu usage becomes very high and site crashes. After running top it looks like mysql is causing ...
0
votes
0answers
7 views

ESXi 6.7u2 DL380 GEN9 Hosts keep going unresponsive

We have recently upgraded to ESXi6.7 u2. Since the upgrade, our hosts keep going into an 'unresponsive' state. The VM's are all still running, although they show as 'disconnected' in VSphere. Can ping ...
0
votes
0answers
8 views

how to swap NICs on Vagrant?

I'd like to run kubernetes on a private_network in Vagrant, but Kubeadm does certain things on the first interface it finds, which won't work because the private network by default is defined on the ...
2
votes
1answer
46 views
+50

Troubleshoot random server freezes without log entries

We are experiencing a very particular and unique problem on our C# application which is running under .NET framework 4.7.2, in kiosk mode on Windows 10 Operating System that runs on a Lenovo ...
-2
votes
4answers
2k views

Apache2 SSL Certificate error

I bought a Cert. at checkdomain. They gave me two files a .crt and a .ca-bundle and .key. I moved them to "/etc/ssl/g/". I enabled SSL with "a2enmod ssl" and restarted the apache by using "sudo ...
0
votes
0answers
6 views

nginx reverse-proxy, how not to pass the location

what we have: reverse-proxy server with nginx - external: 10.xx.xx.xx - internal: 192.xx.xx.1 internal server running a service on port 9010: 192.xx.xx.15 We get already the service if we connect to ...
0
votes
1answer
19 views

SSH: forward port on intermediate machine to local network

I have a master that is reachable from the outside on a static IP (1.2.3.4). From the master, I can connect to a slave that resides in a local network (10.0.0.1). Currently, my .ssh/config looks like ...
0
votes
1answer
1k views

Berkelay DB + Openldap : Program version doesn't match environment version

When I run : #slaptest it says "config file testing succeeded" If I run #slapd -f slapd.conf -d 256 I got: buildd@lamiak:/build/buildd/openldap-2.4.31/debian/build/servers/slapd ...
0
votes
1answer
1k views

how i can use windows vpn connection file in ubuntu?

i have a windows vpn. how i can use this vpn in Ubuntu 10.04. i don't what's this vpn gateway or other configuration items. my VPN file content is: [usa] Encoding=1 Type=2 AutoLogon=0 ...
0
votes
1answer
47 views

Make SQL Server 2017 available over internet on Google Cloud Platform VM

I have set up a VM with Microsoft SQL Server 2017 installed on the Google Cloud Platform. I am able to access the server on the VM by using SQL Management Studio. The purpose of this server is for ...
0
votes
1answer
11 views

host mirroring on multiple VM (unique VNETid/uuid)

We want to mirror all traffic going in/out port vnet0, and we want to send it to bridge port vnet2 (where we have a traffic monitoring application) and make sure traffic from vnet2 is excluded on ...
0
votes
0answers
23 views

Transfering data from server is very slow from certain IPs

I've encountered a strange situation, and I am buffled on how to solve this. I have a dedicated server at Dacentec (let's call it Dacentec Server), which is running a CentOS 7 operating system, on ...
0
votes
0answers
9 views

Troubleshooting Router/pi-hole IPv6 conflicts [on hold]

So I've recently been trying to get my network set up with my old Pi 2B+ running pi-hole. Unfortunately, I can't seem to get IPv6 properly configured. If I enable IPv6 on the router (SLAAC+RA's), the ...
0
votes
0answers
15 views

Can I get the CRC32C checksum of a range content when I use HTTP Range Get requests to get a range of content in google cloud storage

When I want to get a partial range of file content in the google cloud storage, I used XML API and use HTTP Range Get requests. From the google cloud response, I can find the header x-goog-hash, and ...
1
vote
1answer
3k views

Debian LACP Bond eth0 Churning state

I have setup a LACP Bond on 2 x 1Gbps connections on a HP server running Debian 8.x, previously done this configuration on CentOS 7.x with no issues at all. The issue I am facing is eth0 a minute ...
1
vote
1answer
38 views

Why can't user X write to directory despite having default:user:X:rwx ACL on the directory?

As I understand it, this all looks good: iammedemo owns the directory, but iammme has default:user:iamme:rwx, so if anything, iamme should effectively be just as privileged as iammedemo, and be able ...
0
votes
0answers
10 views

apache/php not getting client certificates

We wanted to use client certificates in browsers for some of our users for machine identification. I set up a CA and and signed a client certificate which I installed in chrome. Then I set the ...
-5
votes
0answers
17 views

Routers and server 2012 [on hold]

I found your contact details on a thread you’ve previously replied to. I tried posting a question on the thread but it has been closed since. I am experiencing a similar issue and was wondering if you ...
0
votes
1answer
1k views

Symfony's PHP files doesn't work on prod server

I just try to deploy to production a Symfony (3.3.5) project for the first time and I am in a little trouble. MySQL is installed and running on the server, Symfony can connect to it. Apache2 and PHP ...
2
votes
1answer
1k views

HP MSA P2000 G3 SAN Performance

I have a three server Hyper-V 2012 cluster which points at LUNs based on an HP MSA P2000 G3 SAN for the virtual hard disk storage. I am experiencing speed issues and one thing that has been ...
0
votes
0answers
18 views

Sudo stop working when I change server using ssh

I have 3 servers and I have to connect one of them to reach the others 2. So I change beetwen servers very often with 'exit' and ssh. I copy the ssh id to avoid the password when I have to connect to ...
0
votes
0answers
20 views

Have apache run a script before handling request

I want to have Apache run a script every time it gets a request. To be clear I want apache to serve the actual file and just have this script called right before Apache handles the request (I have my ...
1
vote
0answers
17 views

How can hide full path of my webpage in Ubuntu at DigitalOcean?

Good day: I have my domain, for example: www.mydomain.cl in Digital Ocean (hosting) with Ubuntu, hosting. In this path I have my wordpress files: /var/www/html/alianzaWordpress/datos1 My 000-default....
0
votes
1answer
30 views

How does cloudflare cdn work?

As far as I understand, you need to enter the original DNS records for the site, and you receive 2 cloudflare nameservers which you put in at the registrar, and cloudflare tests which nameservers are ...
0
votes
1answer
2k views

Sed replace string within quotes

I am trying to replace string within quotes in a file! Here is an example : <?xml version="1.0" encoding="UTF-8"?> <Context> <Manager pathname="" /> <Resource auth="Container" ...
1
vote
2answers
1k views

RAID degraded on Ubuntu server

We're having a very weird issue at work. Our Ubuntu server has 6 drives, set up with RAID1 as follows: /dev/md0, consisting of: /dev/sda1 /dev/sdb1 /dev/md1, consisting of: /dev/sda2 /dev/sdb2 /dev/...
0
votes
0answers
22 views

Linux Traffic Control: How to prioritize traffic using bridge and qdisc?

I'm trying to prioritize traffic over the Linux-based software bridge in my network. When I generate traffic locally (on the machine hosting the bridge), the traffic is correctly prioritized. However, ...

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