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How can make changes to my smb.conf file go live without a reboot?

On our Centos 7 server, I added "create mask = 770" to my smb.conf in order to force permissions on the files our Windows users store in a directory. Then from the command line, I entered the ...
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7 views

How to create FreeBSD AMI on AWS

I have seen this question Creating you own FreeBSD ami in EC2 which may or may not be outdated now as time has passed. Looking at Mr. Percival's site it does appear to be possible to do this. For ...
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11 views

Cloud computing provider that offers snapshot export into local disk

I am at the end of my free-tier AWS EC2 year and I am looking around at the best options of cloud computing provider to decide whether to continue with Amazon or migrate to another provider. It is my ...
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6 views

sar + get network info from sar

this syntax give the network info on sa1 file sar -n DEV -f /var/log/sa/sa1 how to get the info only from UDP protocol ? we try also sar -n UDP -f /var/log/sa/sa1 Requested activities not ...
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7 views

Hyper-V or Proxmox as a hypervisor and server clustering solution

I am looking for input on experiences and preferences with the best solution for a server cluster. To begin with I am going to have two servers clustered together and in the future will be adding to ...
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8 views

Server config - Is security reduced or compromised if too few SSL cipher options are included?

When I input my server version (NGINX 1.16.0) and OpenSSL Version (1.0.2k) into the Mozilla SSL Configuration Generator I get a long list of SSL ciphers. For example, ssl_ciphers ECDHE-ECDSA-AES128-...
-1
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10 views

How mail transfer works between the Senders SMTP and the receivers SMTP

when I send an E-Mail it works like this: My E-Mail Client -> My SMTP -> Recipients SMTP -> Recipients E-Mail Client I know the way how my E-Mail client communicates with my SMTP but how do the SMTP ...
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7 views

A utility that calculates the Transitive closure (all dependencies, direct & indirect)

I'm looking for a utility that that calculates the transitive closure on its input. As used in package managers to calculate the dependencies. e.g. $ tclosure <<EOF > a b > b c > b d &...
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15 views

Restrict Access to google cloud buckets by domain name

I want to host files that my users upload to my web application in google cloud buckets...the problem there is that I need to have the permissions open to the public because I also need to retrieve ...
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3 views

Dovecot lxc apparmor denied (Buster)

I can't run dovecot in lxc on Buster. I turn off PrivateTmp, but it isn't enough... Still : [ 4850.883141] audit: type=1400 audit(1563803461.322:34): apparmor="DENIED" operation="mount" info="failed ...
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5 views

Elasticsearch 404 attempting to create index through nginx proxy

I am attempting to proxy Elasticsearch through nginx. Most things seem to work, but one thing that is having problems is creating indexes. This works when connecting directly to ES: curl -XPUT http:...
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11 views

PowerDNS Recursor for Reverse Zones

I'm trying to deploy some PowerDNS servers as an internal DNS host, and I've got the recursor working, and the authoritative working, but the only thing I don't have functional is the reverse lookups. ...
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1answer
9 views

Using global unicast address as source for neighbor solicitation messages

Why do neighbor solicitation messages only use the link local address as source? What would be the advantages and disadvantages of using the global unicast address instead?
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5 views

How to filter udp flood on dedicated machine

someone has any technique to prevent UDP floods or somehow filter them? It's being a big issue because it can't be traffic limited, so delaying UDP packets will not work. Please if someone has ...
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6 views

“Context deadline exceeded” preventing pods from being created in AKS

We have been experiencing an issue causing us pain for the last few months. The issue appears to be that occasionally when we request a pod via the Kubernetes executor it fails to create. For ...
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14 views

Can't connect to network printer while other pc's in the building can

I'm unable to connect to the shared printer in our business center. The building is a space where multiple small businesses rent an office unit. All utilities, including internet, is provided by the ...
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1answer
10 views

Why does Google Computer Engine bind my program to IPv6 ports?

I am writing a server that binds to a number of local ports (including 80 and 443). Whenever I run it on Google Computer Engine (GCE), using their Container-Optimized OS (COS) and a Docker container, ...
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6 views

Brew - sshpass security [migrated]

i come from linux and i know that for automatize shh logins we can use sshpass. Looking for the sshpass command on MacOS i get this message: machine0:~ roberto$ brew search sshpass We won't add ...
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1answer
9 views

How do I find the Dell controller and pdisk number given a serial number?

I need to blink a drive that I found out had SMART errors using smartmontools. I have omconfig installed and it looks like it can be used for blinking LEDs, but I don't know how to find the controller ...
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7 views

Are two NS servers pointed at namecheap panel provide High Availability at DNS level?

I just registered domain at namecheap.com. There is option to setup personal NS servers. I setup two IPs of my personal DNS servers. If one of NS stay unavailable in some reason, will there be ns-...
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9 views

mod_wsgi LoadModule for Python3 is ignored

Trying to configure apache with mod_wsgi and Python3 mod_wsgi config LoadModule wsgi_module /etc/httpd/mod_wsgi/mod_wsgi-py36.cpython-36m-x86_64-linux-gnu.so Flask App config WSGIScriptAlias /...
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13 views

how host flask website by using mod_wsgi? [on hold]

I am trying to host flask webapp but for some reason it is not working.... I referred below links before hosting the site... but due to different folder structure/permission, confused a bit. ...
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0answers
6 views

How to make netcat to simulate a null-modem cable

I am trying to make two VICE emulators on different machines to communicate. They are both able to write and receive characters on a specific port of the local host, but they cannot communicate as ...
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9 views

How to configure svnserve to use OpenLDAP through SASL

Bear with me, I'm really annoyed and frustrated after about 2 weeks of struggles following different guides and manuals without any success, so any suggestions and ideas are welcome because I'm lost. ...
2
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1answer
18 views

How to script GPPs?

I'm trying to normalize Item-Level Targeting for several GPPs that I've created. Manually slogging through each one via the GUI is just about the last thing I want to do. The terms tedious and error-...
0
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1answer
11 views

How to mount with SAMBA and respect symlinks

I am mounting a directory, e.g., /home/docs/ from PCserver to PCclient using the SAMBA share in Linux. Both computers are in Linux (Ubuntu). I perform sudo mount -f cifs with the necessary parameters,...
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5 views

openwrt network config error and IPv6 URL with interface name [migrated]

I wrongly configured my openwrt and lost access to my router. Using wireshark I discovered an IPv6 IP packet and can now ssh into it using only IPv6 IP address. But not from any browser. Problem 1: I ...
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13 views

Name resolution issues

We are having some very odd issues over three servers. These servers happen to be Citrix servers that are hosting the users' sessions, so this is how we are aware of the issue. The symptoms are this;...
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0answers
8 views

Android x86 rc2 on QEMU 4.1.0 rc1 inside KVM - black screen on boot [on hold]

I have KVM CentOS7 server with latest qemu inside which I am trying to install Android 8.1 rc2 to test out some apk's. I took the instructions from https://fosspost.org/tutorials/install-android-8-1-...
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14 views

iptables to forward/duplicate/mirror locally generated UDP traffic

I'm running a program on a Raspberry Pi that reads data from sensors and sends that data to a server via UDP. To debug and monitor this data I redirected this UDP data to my PC by using iptables on ...
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16 views

nginx 400 Bad Request (Invalid Hostname)

I've configured nginx as a front-end load-balancer across three nodes of a web application I've constructed. nginx continually returns 400/bad request - invalid hostname errors regardless of the ...
-1
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0answers
9 views

How can I access an Ip Cam that is 2 routers below my local network?

Currently I can't even ping it, neither access it through any application! Situation: MyPc Eth0 connected on LanPort2 of Router2 LanPort2 of WanModem connected on InternetPort of Router1 LanPort2 ...
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0answers
18 views

MariaDB won't start after fresh install. No errors, no logs

I just installed MariaDB from the debian repo and I can't start it. root@Debian9A1:~$ mysql ERROR 2002 (HY000): Can't connect to local MySQL server through socket'/var/run/mysqld/mysqld.sock' (2) I ...
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0answers
15 views

How to manage multiple dhcp servers with identical configurations in the same subnet

this question might seem quite strange but i am looking for some suggestions on how to handle the following problem. I have the following use case: One Host PC(dhcp server) and one Client PC(dhcp ...
0
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1answer
25 views

How to upgrade ca-certificates-mono if 4.8.1.0-0 version is already installed?

My machine is Ubuntu 16.04. After I tried upgrade Mono I faced with dependency problem. sudo apt-get install mono-complete Building dependency tree Reading state information... Done mono-...
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0answers
15 views

Nginx redirect on folder request but allow subfolders of that folder to pass

I have the following Nginx config which i want it to apply 2 rules. Rule 1 When the URL request contains the subdirectory /shop to be 301 redirected to the frontpage of the website. For example: ...
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13 views

Clean old release files in Sentry

I'm self-hosting Sentry 8 and /var/lib/sentry/files grew to a significant size. I tried launching a script to go through each project's releases via the API, select those older than X days, and remove ...
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0answers
10 views

How to configure Kubernetes with multiply NIC / VLAN on vSphere?

Playing with provisioning of Kubernetes cluster on vSphere using Kubespray and Terraform to automate deployment process (no problems with that). My goal is to have ability to connect Pods to ...
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0answers
8 views

OSx devices not sending DHCP request after receiving offer

So I have two OSX devices which are both getting a 169.254.0.0 address on a VLAN. I have tested the same ethernet ports with a Windows laptop and that is getting a proper 192.168.12.x address. The ...
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0answers
10 views

Dropped connection with HAProxy in TCP mode + “transparent client IP”

Basic Setup We are running HAProxy in a pair of PFsense boxes. In front, we're serving a bunch of IP adresses, and for each IP address, we have a pair of SSL offloaders behind this. The HAProxy is ...
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0answers
10 views

Automatic Failover Wifi / Proxy

I have got the following scenario: Mobile Device (Linux) that is connected to wifi and or mobile network. For the mobile network, the whole system must use a proxy and a special DNS server since ...
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0answers
9 views

pnp4nagios graph after 3 days

Dears, I have a weird issue with my pnp4nagios, In fact i have a nagios server and a lot of graphs using pnp4nagios, however, i only have a problem with a single graph. The problem is that it only ...
0
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1answer
25 views

How can i Transfer DNS zones to new server

I want to migrate from my win server 2003 to a new server 2012 my server has running DNS service and i want to migrate all zones to new server .
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0answers
5 views

Set variable from cmd.run in jinja + saltstack on Windows Minion

I am trying to set a variable in jinja when a task in task scheduler is found on the Windows Minion. Tried many things but dont seem to get this working yet. here is the code that I have {% set ...
0
votes
1answer
30 views

How to setup dual WAN & two LAN Networks correctly?

We've just been switched from ISDN to SIP. Since the guy who installed and configured the phone system does not have a lot of experience in setting up LAN networks, we need to do it ourselves. My ...
0
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0answers
18 views

Clients could not join to domain controller

When I`m trying join a client to the domain controller the client raises the following error: The following error occurred when DNS was queried for the service location (SRV) resource record used ...
0
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0answers
14 views

How to run docker services with an application account?

How do I change the windows services account for docker? The Windows services are Docker Desktop Service and docker. When I set then to use an application account, it returns the following error: ...
0
votes
1answer
13 views

Predictable network interface names doesn't work

I have a problem with moving into predictable network interfaces - if i rename eth01 into enp1s0 - can't login (interface doesn't starting up). I checked /etc/default/grub for net.ifnames=0 - not ...
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0answers
9 views

Configuring crontab for blacklisted user through superuser

The user is not specified in /etc/cron.allow , but through root, I can configure his crontab through crontab -e -u user When he runs crontab -l, he cannot view the crontab set by superuser. Will ...
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0answers
8 views

Intel XEON 9th generation on socket LGA 1151 (“H4”) and Windows Server 2012 R2

I'm about to buy a INTEL Xeon E-2246G (if I'm lucky to get one here) and put it into MSI MB Sc LGA1151 Z370-A PRO (https://www.msi.com/Motherboard/Z370-A-PRO) and I have two uncertainties: Does "1151"...

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