All Questions

0
votes
1answer
27 views

Setting up DHCP with CloudInit and Bonding

I currently have a cloud init file that setsup the DHCP via the following: - path: /etc/systemd/system/dhclient@.service content: | [Unit] Description=Run dhclient on %i interface After=...
0
votes
2answers
46 views

Many HTTP CONNECT request for not owned domains

I had a cloud server with two ip, and each ip is configured respectively with apache and wildfly server. In each of them there are some domain/vhost setup in production. Checking the apache access ...
0
votes
2answers
38 views

Online backup of Ubuntu 18.04 VM on Hyper-V 2019

I have created a Generation 2 VM running Ubuntu Server 18.04 on a Windows Server 2019 Datacenter. I would like to do an online backup of this VM to another disk in the server (and eventually to a NAS)...
0
votes
1answer
27 views

Default iptables rules location centos 7

Seems like after rebooting the servers iptables rules gets loaded. But I can't find its location to delete the rules. There's no /etc/sysconfig/iptables as mentioned in /etc/sysconfig/iptables-config ...
0
votes
0answers
9 views

App Engine Flex beta deploy fails

When using gcloud beta app deploy app.development.yml --version development, it fails with [13] Error while processing files. This same command works fine with gcloud app deploy, I don't understand ...
0
votes
0answers
14 views

Elastic Beanstalk random error - cURL transport error: 7 Failed to connect to host: Connection timed out

I'm using AWS Elastic Beanstalk (on a free-tier t2.micro server) for hosting my website, and run my algorithm which syncs data with Spotify API. Recently (3 days ago), my script started throwing ...
0
votes
0answers
13 views

K8S: securing GlusterFS

I have a question on how to divide access to the same gluster for different K8S namespaces. Let's say, I have 3 different volumes (vol-a, vol-b, vol-c) in a gluster and I'd like to permit access to ...
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
23 views

sshd Match directive

I encountered an issue on the way the sshd daemon is configured, here we have a couple of path exposed in RO by a server, the end user have to use the service in RO on their machine use sshfs to mount ...
0
votes
0answers
20 views

Network setup - access services via port

I have the following network setup: Gateway/proxy and firewall box with Firehol installed 10.xx.xx.xx - Ubuntu internal server behind the gateway 192.xx.xx.xx - Ubuntu All traffic is routed ...
0
votes
0answers
21 views

PHP curl_exec failing with HTTPS

I have a wordpress site that its failing. I tracked the issue and I found that is due to curl_exec() failing with HTTPS sites. I'm running php 5.6 in a Alpine Linux v3.8 container with lighttpd. The ...
0
votes
2answers
35 views

View or open audit for the SharePoint Online site

I am trying to figure out how to view Audit logs for the SharePoint Online site. On our on-prem SharePoint 2013 farm in the configure audit settings for a particular site collection, I have audit ...
1
vote
1answer
45 views

What is the relation between IO wait utilisation and load average

Load average uses processes that are running or runnable or in uninterrupted sleep state. So do the processes in uninterrupted sleep state correspond with the %wa as per the top command? Both are ...
0
votes
0answers
28 views

vsftp accessing nested mounted folders

Per this question, I understand vsftp will not follow symlinks and I should use mount --bind instead. I replaced my symlinks with binds like so: /srv/ftp/data :----: /var/log/ebam/ ...
2
votes
1answer
45 views

Active logins change in who -a and who

system boot 2019-06-13 19:14 run-level 5 2019-06-13 19:14 LOGIN tty2 2019-06-13 19:14 420 id=tty2 LOGIN console 2019-06-13 19:14 419 id=...
2
votes
0answers
54 views

Switchless Networking Configuration for Two Directly-Attached Nodes?

I have two Windows Server 2019 Datacenter Edition servers, each with RDMA-enabled Mellanox ConnectX‐4 Lx 25GbE DA/SFP NICs. I've directly connected them with a 1 meter SFP28 copper cable. How can I ...
-1
votes
0answers
25 views

I have code compiled for Intel i7: how can I know which Xeon processors it could run on? [on hold]

I have code compiled for Intel i7: how can I know which Xeon processors it could run on? There seems to be no clear way to know. I developed these rules-of-thumb, but am unsure if they suffice. The ...
1
vote
0answers
36 views

crontab error “lstat: No such file or directory”, after quit sudo crontab -e, without cron job modification

I checked list of my cronjobs, using this command: $ sudo crontab -e After finished, I quit using :q vim command. :q After that, vi/vim editor successfully exit, but this error occurred: lstat: ...
1
vote
2answers
47 views

Will cloning windows drive to put in VM on same hardware require re-activation/re-licensing?

I want to clone a Windows hard drive and use it for a Virtual Machine on the same hardware. Basically I want to swap the main OS for the machine to run a stable Linux OS and have the Windows OS run ...
2
votes
1answer
455 views

Testing connectivity between Unix and Windows servers

I am doing a failover activity between 2 data centers. In 1 data center, 1 Oracle database on Linux is replicating data to 1 SQL Server database on Windows using a replication tool. There is storage ...
0
votes
0answers
12 views

NestJs RestAPI on hosted server is reachable from my PC and phone, but not from other? [on hold]

I've build a little app with Angular as frontend and a NestJS backend on a hosted virtual server with an own public ip address. When I visit the site on my Home PC or my mobile (on 4G, not Wifi!), ...
0
votes
0answers
24 views

HAProxy in docker only terminating ssl on one port

I have an instance of HAProxy running inside a docker container. It load-balances incoming http and https traffic on ports 80 and and 443 and also terminates the ssl connection. It then sends all the ...
0
votes
0answers
45 views

Connecting Blade OS to Internet with Cisco 3020 Switch Module

I am very new to server networking, and appreciate any help. I have an HP c7000 with Proliant G8 blades. I have installed RHEL, Centos, and Windows Server on different blades, trying to get any of ...
-2
votes
0answers
27 views

“connection timed out” or “connection refused” [on hold]

I am trying to web host from my own internet and my own computer because I don’t want to pay for a subscription (I already bought the 4$ domain) so I looked up instructions online on how to web host ...
1
vote
1answer
38 views

How to tell if a server running Windows Server 2016, which you're accessing via Windows RDC, is virtual or real? [duplicate]

How can you tell if a Windows 2016 Server you're accessing via RDC is a virtual machine?
0
votes
1answer
32 views

CentOS6 (VM) on Hyper-V (host) - expanding disk size

I have a Hyper-V server (host). With a CentOS6.x VM (guest). My goal is: expand the /dev/mapper/VolGroup-lv_root partition to a total 200GB; expand the /dev/mapper/VolGroup-lv_swap partition to a ...
-1
votes
0answers
21 views

Postfix SMTP unable to connect with inet_interfaces = all

mydomain.com is my domain and 99.99.99.99 is my VPS IP. /etc/postfix/main.cf containts compatibility_level = 2 data_directory = /var/lib/postfix mail_owner = postfix myhostname = mail.mydomain.com ...
0
votes
2answers
74 views

Change a password screen script

I am currently trying to make a script that calls the "Change a password" screen without hitting Ctrl+Alt+Delete/End. The problem is we have people in the field using all different keyboard layouts ...
0
votes
1answer
36 views

Let's encrypt does try to renew an old domain

I get this error if I run this command: certbot -q renew Attempting to renew cert (example-master.com) from /etc/letsencrypt/renewal/example-master.com.conf produced an unexpected error: Failed ...
0
votes
0answers
10 views

openshift_logging_es_nodeselector install EFK on infra nodes

I am trying to install EFK on my cluster and am having problems. here is my node description snip (okd 3.11) metadata: name: okdmastertest.labtest.mycomapny.com selfLink: /api/v1/nodes/...
0
votes
0answers
34 views

Root vs ordinary share permissions on Windows Server 2016

From a Windows 10 workstation: I can access \\server\share using my workstation user account. To access \\server\c$ I'm prompted to authenticate using an administrative account on server. After ...
-3
votes
1answer
328 views

What is the cause of most top-vendor SSD crashes?

I'm referring to total crashes where the SSD doesn't work anymore. Not IO errors. SSDs have a limited lifespan. So if nothing else goes wrong, eventually they die of NAND wear. My question is what ...
0
votes
0answers
6 views

linux mint /boot/efi failed [migrated]

Yesterday I installed the latest linux mint in uefi, dual-boot with Windows 10. I had linux installed and set up with all my software installed and did dozens of reboots with no issue. Then I tried ...
1
vote
1answer
34 views

VMWare ESXI extremely high write latency

I hope you can help.. this is more of a sanity check just to verify my line of thinking at the minute. We've got a VMWare cluster setup that is networked to a high performance SAN. Everything performs ...
0
votes
1answer
19 views

o365 - Unable to delete items from mailbox

a user is not able to delete items from his mailbox . I have tried to force this by running command. I have tried this both OWA and Outlook. unfortunately no luck. Start-ManagedFolderAssistant -...
0
votes
0answers
39 views

How to add an existing data store on ESXi after a recovered HDD failure

One of the HDD failed on our HP DL380 G6 server, and after replacing the hardware, it seems like RAID5 rebuilding is complete and data should be recovered. However, when I boot into ESXi 6.0, I found ...
-1
votes
0answers
8 views

nxlog rotate multiple application log files

For instance, the following three applications log to the location which has mentioned. If I follow the example which you have provided, I have to create multiple input sections in order to rotate the ...
0
votes
0answers
12 views

Nginx + Tomcat working in the same server

I'm developing a WebApp using Tomcat. I've set a frontal NGINX server to serve static content and redirect the rest of work to a Tomcat server. I've set that configuration in NGINX: proxy_cache_path ...
-1
votes
1answer
24 views

CWP CentOS 7 hostname ssl not working? [on hold]

My Site.. https://sajjadhsagor.com works with SSL fine.. but when i visit https://sajjadhsagor.com:2087 and try to login to admin SSL doesn't work anymore.. error says SSL issued to server1....
3
votes
1answer
33 views

What is the purpose of the System Data Archiver feature?

I am looking to remove unnecessary roles and features from Windows 2019 systems and there is a new feature named System Data Archiver which is installed by default. The official description says: ...
1
vote
1answer
22 views

Systemd `ExecStartPost` timed out

I'm having trouble using ExecStartPost in a systemd service. Even with the following simple command: ExecStartPost=/bin/sh -c "exit 0" ... when I start the service, I get a "time out" error: start-...
0
votes
2answers
45 views

Subject: status=bounced (Host or domain name not found. Name service error for name=e-address.myserver.com type=A:

I wanted to send a message using seamonkey mail but it didn't worked. The server is redhat 7.6 with postfix 2:2.10.1-7.el7. The Firewall are disabled on linux server. I'm giving you the following ...
0
votes
1answer
25 views

FreeIPA on Azure setup

I am trying to setup FreeIPA on Azure as 1 Server ---> 2 Clients without actually utilizing a domain name i.e. I want to use a fictitious domain name such as "example.azure.local" and still have the ...
-1
votes
0answers
20 views

TLS : Cant Connect When doing LDAP [on hold]

I am running Free Radius 3.16 version. I have a scenario where I connect to a AD server with TLS enabled. Everything works fine. Now I change my server to LDAP with non-TLS. I see that , still it ...
0
votes
0answers
13 views

TunnelBlick resetting connection on mac

I am trying to connect to vpn on macOS High Siera 10.13.6 using tunnelblick. I have added configuration file and whenever i try to connect it gets connected for 5 secs and then starts reconnecting. ...
2
votes
1answer
36 views

virt-install hangs, no apparent error in logs and virsh list later shows its running after ctrl c exit, no domifaddr though

Got thrown into a situation managing boxes that the person before me used virt, so trying to come up to speed. As a test doing a virt-install of this: virt-install --virt-type=kvm --name kosmos-icc --...
1
vote
0answers
26 views

Resize CentOs partition from another partition that already exist

I have a server CentOs, I'm new to server's world, so I have one /dev/sda3 partition almost full of files, and another one /dev/sda5 bigger and empty, how can I resize the bigger empty one partition ...
0
votes
0answers
15 views

The Target Principal Name Is Incorrect. Cannot Generate SSPI Context (SQL Server)

We had a power outage last night and when the server came back up our domain users could not access our SQL Server 2000 instance name: MASSQL. We can access using SQL Authentication. We tried making ...
0
votes
0answers
25 views

Understand linux bridge tunneling configuration

I have a VPN software that creates a tap device connected to a bridge: $ brctl show vpnbr bridge name bridge id STP enabled interfaces vpnbr 8000.6630fabc3f2b yes tnl-2c5a50e $ ...
0
votes
1answer
21 views

3cx firewall error message when testing ports

i just deployed a 3CX pbx VM, once i try to run the firewall test i get this error message with all the ports that are tested: "testing port 9000... full cone test failed (How to resolve?)" this ...

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