All Questions

0
votes
1answer
3 views

Amazon EC2 (Tokyo) Can't Access Amazon RDS (Frankfurt)

I have EC2 instance in Tokyo : and I also have RDS instance in Frankfurt : EC2's IP address already listed in RDS security groups : But why EC2 Tokyo still unable to connect to RDS Frankfurt? ...
0
votes
0answers
4 views

Enable IPMI sensor

I'm trying to enable the FAN sensors on my ASUS Z10PE-D16. I can read the RPM of all fans in the BIOS, but the IPMI sensors are disable: [root@lserver ~]# ipmitool -H 192.1.2.3 -U admin -Padmin sdr ...
-1
votes
0answers
6 views

iSCSI NAS vs DAS - Please ID10T check me

I'm sure I've broken some posting rule on this question. Please don't beat me up too much over it. I'm still a newbie when it comes to server hardware configuration. I've been researching and ...
0
votes
0answers
5 views

XAMPP apache server will not fully stop - requires server restart

When I try to stop the Apache server, ran by XAMPP on my Windows 2012 R2 server, it says it's stopping the service, it logs: [Apache] Attempting to stop Apache service... [Apache] Executing "net stop ...
0
votes
1answer
8 views

Error in creating a database dump on PostgreSQL

When trying to make a PostgreSQL database dump we got the following error and the process stops immediately. Command used: openbravo@master.akluck.com:~ 07/26 11:48:11> pg_dump -U tad -h ...
0
votes
0answers
3 views

Using pg_users or pg_authid of Postgres for user identity by default in loopback

New to Loopback. The default User model in Loopback creates its own set of user administration tables - using the ID field as key. I would like to use the default pg_authid/ pg_users from postgress ...
0
votes
0answers
21 views

Does a proxy server in front of a file server consume bandwidth?

I am new and learning how to setup a proxy server in front of my file server. My initial setup is as follows: User <-> CloudFlare [dns] <-> Web/proxy server [www] <-> File Server [...
0
votes
1answer
9 views

How can iperf reporting packet loss in udp

Iperf is the well known tool to calculate throughput. When i tried udp throughput using iperf on my linuxpc, It reported that 10% of packet loss. In UDP protocol, data gram did not receice any ...
-3
votes
0answers
16 views

Cannot access folder with admin rights [on hold]

I am having issues with folder permissions on Windows 10 x64. For whatever reason.... My folder permissions keep requiring 'admin privileges to access certain folders. When I grant admin privileges, I ...
0
votes
1answer
9 views

FirewallD not loading rule after reboot

I have FirewallD on Ubuntu Server 18.04. Got allowed services ssh http ipsec. But on reboot, firewall always allow ssh, ipsec but block http. To solve this, I have to run firewall-cmd --reload every ...
0
votes
1answer
21 views

What does a system load of 16 mean on a 4 core processor?

I can't seem to find anyone reporting a similar statistic and hence can't find an explanation. The 3570K is a 4 core 4 thread cpu, so the maximum load should 4.0 I assume? Yet I can repeatedly see a ...
0
votes
0answers
6 views

docker api get seccomp profiles

I am trying to retrieve docker containers characteristics from the docker api available through the docker socket. I have read the documentation and can retrieve most of containers parameters through ...
0
votes
0answers
10 views

Qmail SMTP receiver always delays by 66 seconds

I am currently struggling with a problem in my qmail setup, which seems to delay my smtp receiver everytime for 66 seconds. This is for most remote hosts fine, but some seem to reach their timeout and ...
0
votes
0answers
8 views

Managing multiple websites with Docker-compose

On SO there was a good answer https://stackoverflow.com/questions/47849096/running-multiple-websites-docker-compose, but it works only when you have structure like └───project │ docker-compose....
0
votes
0answers
11 views

Problems with emails after redirecting subdomain to another server

I want to add a subdomain which redirects to another server, but im having problems with emails from the original server after I do the redirection. I want to keep both of the servers, one for the ...
0
votes
0answers
10 views

How to set the DirectoryIndex on a tomcat Apache server to serve website?

I am using an Apache Tomcat server, that I want to host my website on. I have copied the contents of my website to /opt/bitnami/apache-tomcat/webapps/ROOT, however when I go to the homepage, I am ...
0
votes
1answer
11 views

How to allocate resources per website basis on Ubuntu server

I have Ubuntu LAMP Server with Webmin. I want to limit the disk space/RAM usage and CPU usage per site basis. For example I want to allocate 5GB disk space and 50GB Bandwidth to site1.com and 10GB ...
0
votes
1answer
7 views

linux/grub2: capturing boot errors for later analysis?

I'm running grub2 under my 4.15.0-30-generic x86_64 linux system. Every time I boot and select this system's entry in the grub menu (or any other system's entry), a screen or two of logged bootup ...
0
votes
2answers
20 views

AWS: Simple way to download text file of entire (region) configuration without programming (possibly without AWS Config)?

In lieu of screen grabs of my AWS console screens or paper and pencil... I'm seeking to download a report of my personal AWS account (EC2 config, firewall settings, etc.) so that I can check it into ...
1
vote
1answer
44 views

DNS forwarding or root hints

The author of Best practices for DNS forwarding [petri.com] recommends using the ISP's DNS servers as forwarders instead of doing the recursive lookups yourself, the main reason being performance. ...
0
votes
2answers
26 views

Is it possible to add FQDN to Server behind NAT or to a NAT itself?

I have multiple identical servers behind a NAT. I use the same IP and just change up the port to move between the server via port forwarding.The issue is that i am using self-signed certificates and ...
0
votes
0answers
11 views

iptables, filter pkttype broadcast, documentation

I found a brief explanation of this filter. https://www.netfilter.org/documentation/HOWTO/netfilter-extensions-HOWTO-3.html 3.10 pkttype patch This patch by Michal Ludvig adds a new match ...
0
votes
1answer
30 views

802.1q vlan unusual setup

I have problem with this unusual setup The problem is: PC 1 is getting IP parameters from its DHCP server (VLAN 200), PC 2 is not getting parameters from its DHCP server (VLAN 300). I cannot see ...
0
votes
1answer
11 views

Debugging slow ls on cifs mount strace makes it fast

I've got a server that has a cifs share (Azure storage files) mounted. Sometimes ls is returning slowly (20seconds). After debugging a bit I've so far found that: doing ls /data/some/symlink/...
18
votes
5answers
1k views

Is there a reason to use an SSL certificate other than Let's Encrypt's free SSL?

Let's Encrypt are providing free SSL certificates. Are there any downsides compared to other, paid certificates e.g. AWS Certificate Manager?
0
votes
0answers
14 views

Cisco SNMP vmVlan OID result

I sent vmVlan (1.3.6.1.4.1.9.9.68.1.2.2.1.2) OID to a Cisco 3750 switch. This is list of vlans: Take care of interface FastEthernet 2/0/45 - 48. These interfaces isn't in response list of vmVlan. ...
-1
votes
0answers
13 views

What might be the best approach to setup a network using this scenario [on hold]

I'm struggling with this one scenario as to what might be the best way to setup a server. The scenario is as follow, you have 5 computer labs, two offices and a server room. In this scenario you must ...
-1
votes
0answers
18 views

GPS Vehicle Tracking Server , some devices appear offline

The GPS Tracking system works by having a SIM insert to a GPS transmitter, installed in vehicles to track location/speeds/etc. Recently, most of the vehicle went offline as seen from the web ...
0
votes
1answer
16 views

iptables INPUT DROP NEW what effect will this have?

I'm currently working through the Linux Firewalls book and have a set of rules setup which dictate rules to follow around every STATE except for NEW and I prefer being explicit when I'm writing code/...
-1
votes
0answers
12 views

hosts file domains is not responding [on hold]

am using debian , and am working on a php laravel project so first thing to do is sudo service apache2 start sudo service mysql start every thing working fine , the project is working great ...
-2
votes
0answers
5 views

ESXi 6.5 bootModule.c:492 error

I restarted the system and hit the NOT_IMPLEMENTED bora/vmkernel/core/bootModule.c:492 error. Please advise how do I fix this error.
0
votes
0answers
15 views

Is it possible to run Amazon Elastic Kubernetes Service on Dedicated Hosts? [on hold]

I'd like the convenience of EKS with the physical security that Dedicated Hosts offer. Is this combination possible?
0
votes
1answer
26 views

SSL “unable to get local issuer certificate” : “full chain” vs “root”?

Summary In summary I have some certificate related files and some certificate related instructions but I'm not sure which files are which ! Background I've just installed a certificate from Lets ...
-2
votes
0answers
27 views

create a back door user on freebsd ssh service [on hold]

I want to create a back door user in FreeBSD ssh server . I want when user request for login on ssh server with a special IP and mac-address automatically accept his request and ignore authentication ...
0
votes
0answers
28 views

IP routing issues in Ubuntu

I have four servers: VPN Server (10.12.96.5/28)eth5 & 10.8.0.1(TUN0) Web Server 10.12.96.4/28 Proxy Server 10.8.0.4/24 PBX Server 10.12.96.3/28 PROXY-----VPN-----WEBSERVER VPN-----PBX The VPN ...
0
votes
0answers
5 views

How to create randomly keyed swap with Kickstart

I want to create an encrypted swap partition using Kickstart. Instructions on how to create encrypted swap manually are in the related question How to create a randomly keyed, encrypted swap ...
0
votes
0answers
13 views

Linux GRE Tunnel: Remote Address parameter

The Linux GRE tunnel as two parameters, local address and remote address. Suppose I have two routers, the left one is outside of a NAT and right one is inside NAT, then I want to create a GRE tunnel ...
0
votes
2answers
18 views

Running single web app in server - why not using root?

I have one cloud server to host only one website (django + gunicorn + nginx), postgres database will be deployed to another cloud server. In this case should I create special user for my website? ...
0
votes
1answer
20 views

AWS could not get token: AccessDenied: User: ARN is not authorized to perform: sts:AssumeRole on resource: Role:ARN

I am following the step guide to set up and kubernetes environment on AWS. https://docs.aws.amazon.com/eks/latest/userguide/getting-started.html#role-create It already had some gochchas.. and they ...
-2
votes
0answers
12 views

How Long Does DKIM or TXT record Propagate

I added a v=spf1 TXT record and it propagated in just a few minutes and then I added a TXT record k1._domainkey.domain and its been hours and has not propagated How long does Domain Key takes to ...
0
votes
2answers
12 views

Migrating EFS across regions

Have an EFS with two mount targets in US-N.California region and I need to move all the data over to US-Oregon region. Would appreciate any inputs around that.
0
votes
0answers
19 views

502 Bad Gateway on localhost Apache

I'm trying to run a Drupal 7 multi-site install on my Mac (10.12.6). My directory setup: ~/Sites/index.html ~/Sites/drupal/docroot/sites/site1 ~/Sites/drupal/docroot/sites/site2 My /etc/hosts: 127....
0
votes
0answers
6 views

Managing group memberships in kubernetes (GKE)

I'm administering a k8s cluster (on Google Kubernetes Engine if it matters) and would like to apply a fairly fine-grained RBAC role to all of our users that aren't service accounts. From reading ...
0
votes
0answers
9 views

Disk of VirtualBox Size keeps increasing when doing MySQL restores

I am using a classic LAMP (Ubuntu 18.04) in a VirtualBox (5.2.18). The disk has a Dynamically allocated storage. Each time I restore the tables using this command, the disk size of the virtual ...
0
votes
0answers
9 views

Amazon ELB timing out only on one specific site

Problem: Our site has many different services behind Amazon's ELB but for some reason this simple Apache site project has turned into a major headache since I can't resolve this one site through ELB....
-2
votes
0answers
11 views

Can a flashdrive bypass a possible admin passcode? [on hold]

I'm trying to download a certain software on a school computer, but it requires an admin passcode, which I don't have. I have the software on a flashdrive however. So if I transport the software from ...
-1
votes
0answers
10 views

ssl_certificate_key directive under if

I am trying to update nginx to load certs from one of two location depending on host. so either the certs will exists under /var/certs/hostclassifier/publichost/cert.pem or under /var/certs/...
0
votes
1answer
6 views

Using ADFS in Windows 2012 R2 with Azure Multi-factor Authentication

Thanks in advance for reading this. I want to require users to use the Azure mobile app for multifactor authentication when they log on to their Office 365 mailboxes. I do not need to use MFA to ...
0
votes
0answers
9 views

Excluding user from GPO - Permission object missing

I'm trying to exclude a user from a GPO. I've done this in the past using the steps explained in the link below: https://blogs.technet.microsoft.com/canitpro/2016/10/12/step-by-step-excluding-users-...
-3
votes
0answers
12 views

I would like to monitor the email address [on hold]

I am concerned about my daughter emailing and email address use. Is there a software that I can engage/install to monitor her email (gmail) address use when signing in web sites? Please let me know ...

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