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SSL haproxy proxy protocol connection to nginx and allowing direct connections without proxy protocol

We have a setup where most connections go through haproxy then to our nginx service without SSL termination. We can implement the proxy_protocol to have haproxy send the IP of the source (which is ...
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4 views

'unlock-adaccount' is not recognized in Powershell on Server 2012 r2

I'm trying to use Unlock-ADAccount in a powershell script running on a Windows Server 2012 R2 box. This is what I get: PS C:\> unlock-adaccount unlock-adaccount : The term 'unlock-adaccount' is ...
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3 views

How to return a string with 200 code with Apache 2.4

I'm trying to convert this nginx configuration block to Apache 2.4: http { ... server { ... location ~ ^/\.well-known/acme-challenge/([-_a-zA-Z0-9]+)$ { default_type text/plain; return 200 "...
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3 views

Postfix forward on Ubuntu Server 16.04

Iam using Postfix 3.1.0 under mysql. Incoming e-mails to info@example.com will be with sql and the tablet 'virtual_aliases' also send to the archiv@example.com I would like that the incoming ...
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4 views

nginx and easyengine - do I need both of them on the same server

I have never used EasyEngine before. My server is an AWS. I had an nginx server running before to divert traffic to my domain request. Recently, my friend needed to host her website on my server ...
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6 views

Is my partition resized correctly following lvextend command

I have a CentOS 7.5 server that already has extra space per pvs -sh-4.2$ sudo pvs PV VG Fmt Attr PSize PFree /dev/sda2 RootVolGroup00 lvm2 a-- <558.38g <337.38g I ran ...
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3 views

How to direct pass through SSD partition? Using Command Line

Using command line qemu-system-x86_64, how can I use direct pass through and pass my SSD partition(not whole sdd, just partion)? I want to switch from virtio to direct pass through for the file system....
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0answers
7 views

Configure Ansible AWX Dashboard

Wondering anyone tried configuring their own dashboard for Ansible AWX. I'm Particularly looking to add an widget for versions. As we use multiple Applications with different Verisons
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0answers
8 views

Why isn't balloon memory swapped, and how does ESXi know its location?

I have two questions regarding the ESXi balloon driver. When the driver inflates on a VM, what keeps the guest OS from page file swapping the ballooned memory? How does ESXi know which host physical ...
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6 views

OpenLdap setup ldif and ldapmodify

Setting up Openldap on E2 instance. Need help with ldapmodify and setup.ldif file to modify files My setup.ldif contained:::: dn: olcDatabase={0}config,cn=config changetype: modify add: olcRootPW ...
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10 views

How to expand EXT4 volume in a centos KVM guest after resizing the guest's LV

I have a fedora KVM host with all the centos VMs in their own LVs. I'd like to expand an EXT4 home volume in a guest. On the host I have run: # sudo lvextend -L +1T /dev/thevolumegroup/...
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0answers
10 views

opendkim-testkey returns 'multiple DNS replies for 201907._domainkey.example.com'

I am installing opendkim in my POSTFIX mail server on a ec2 with an ubuntu 16.04 xenial by fallowing This guide in linode. I've set a txt DNS record named 2019._domainkey.example.com with the key ...
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0answers
12 views

Apache goes down when I run grep commands on SSH2 using PHP SSH2 connect

I am trying search by keyword in the whole log folder by using grep command and I am sending it through ssh2_connect from php to a remote server, when i run the script it puts down the APACHE and goes ...
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0answers
6 views

Testing external IPV6 access to LAN hosts [on hold]

I want to access some services running on one of my home LAN hosts. I have forwarded through my router but since my router does not support loopback I have to re-configure access when I am away and ...
0
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0answers
10 views

CentOS7 new local repo - how to update packages installed from a different repo name

I have created a local CentOS7 repo which is mostly working as expected. The problem that I have is that the servers will not update any packages as it does not recognise packages need updating. This, ...
1
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0answers
8 views

Append domain to container hostnames in a Kubernetes StatefulSet

I have created a Kubernetes StatefulSet. There are three pods in the StatefulSet with names mysql-0, mysql-1, and mysql-2 each with a single container. If I "log" onto the container in pod mysql-1 ...
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0answers
5 views

What does “Connecting to internet via proxy server” mean? [migrated]

At my school, sometime the websites are accessible only when connected to a proxy server provided by school. So, unless the proxy server settings are configured in firefox/chrome, we can't connect to ...
0
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0answers
11 views

postfix - Command died with status 1

I've configured postfix to trigger a perl script on incoming emails in /etc/aliases. However the script is running without errors, I get a Undelivered Mail Returned to Sender message with a trace ... ...
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0answers
15 views

How to reliably destroy a Linux server installation [duplicate]

I need to make sure we clean up the HDD before selling the hardware. Please advice if: dd if=/dev/zero of=/dev/sda would work. will it effectively erase the HDD?
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0answers
7 views

How make Slurm take job ulimits from compute node and not from head node?

I have a Slurm job for a user that requires a large number of user processes to be spawned. The ulimit for user processes on my cluster's head node is set much lower than on the compute nodes as a ...
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0answers
14 views

Jenkins slave went offline because of SSH issue

Our Jenkins master/slave setup suddenly stopped working. Both master and slave are AWS ec2 machines and we have a user called jenkins. We are seeing this error: [07/17/19 14:58:04] [SSH] Opening SSH ...
1
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0answers
12 views

How can I make an environment variable visible to a script placed in /etc/cron.daily?

Say I have a script named "mydailyscript" containing the following: #!/bin/bash if [ ! -z $MYDAILYLOG]; then exec 1>$MYDAILYLOG fi echo This script ran on $(date) and I then copy this script to /...
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0answers
5 views

vCenter - Virtual machine memory usage alarm after Fault Tolerance enabled

Very simple environment: one cluster made of two ESXi 6.5 hosts vCenter 6.5 I create one Linux Debian VM, VMWare tools are installed. When I run the VM, everything seems fine. When I enable Fault ...
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0answers
7 views

How to get past Tomcat application authentication

With a Spring Boot web application in progress, I built it as a war file and deployed to standalone Tomcat. This seemed to work OK but on trying to access the application via the browser, there's a ...
0
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0answers
10 views

Bash command to execute a foreground set of background commands

I got 2 commands that run blocking the input in the console, so they must be ended with CTRL+C. I don't like running them in background, since I lost control for interruption. But otherwise I cannot ...
0
votes
0answers
6 views

Best Way to Achieve Solr Resilience for Drupal With Two Solr Nodes Available?

I'm trying to figure out the best way to deploy solr (6.6.6) on two nodes in conjunction with Drupal 7 to provide some kind of resilience. The first problem is that Drupal only supports the concept ...
0
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0answers
16 views

Server serving double SSL Certs

I was an idiot 6 months ago and installed some none working SSL cert. Now I have manage to find certbot and it had confirmed a sucessfull install. However, i still get served the old cert. I don't ...
0
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0answers
6 views

Elastic beanstalk deployment in private subnet of the VPC is failing with following error when public subnet ACL inbound is deny all

TLD: Error, when the public subnet is inbound, is deny all. The EC2 instances failed to communicate with AWS Elastic Beanstalk, either because of configuration problems with the VPC or a failed EC2 ...
0
votes
1answer
10 views

Schedule the reboot of an AWS RDS (Postgres) instance at a certain time?

Is there a way to schedule the reboot of an RDS instance to a certain time? I know how to manually reboot it but I didn't see any UI or documentation on how to trigger a reboot at, for example, two ...
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0answers
8 views

Any issue with using update-alternatives to switch python3 to an older version?

I'm wondering if doing this is something that will wreck the entire system, or if it's something that's actually done. We have a server that we're attempting to upgrade, and a lot of our workflows use ...
0
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0answers
6 views

How to make Roundcube work with Postfix + Courier (not dovecot)

I have a mail server working ok with Postfix+Courirer+MySql (virtual users), and SquirrelMail, I could never configure SqMail properly for message characters sets, so I would like to give a try to ...
0
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0answers
10 views

Imagemagick won't install

I'm running LEMP on a digitalocean droplet. We're running php v 7.2.19 on ubuntu 18.04.1. I'm trying to install imagemagick (apt-get install imagemagick) but am getting the error: Reading package ...
0
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0answers
6 views

SMTP header rewrite rules

We have an SMTP relay (postfix) where we need to rewrite headers on the fly based on certain criteria: if> header contains x-custom-header: type 1 and if> to: @customer1.com rewrite> from: <no-...
1
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0answers
12 views

Finding root cause of “The operation has been cancelled due to restrictions”

BLUF: What tools/commands can I use to see what the GPO is specifically restricting. We have a Server 2008 R2 infrastructure with a GPO that makes our Windows 7 PC's a "kiosk" PC for a specific user ...
0
votes
1answer
11 views

NTLM authentication module mod_auth_ntlm_winbind for Apache2 omits domain name

I have an Apache2 instance running on Ubuntu 18.04 in local intranet and I want to configure NTLM authentication on the instance. I have installed and configured mod_auth_ntlm_winbind usage for user....
0
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0answers
9 views

nginx rewrite browser address have an abnormal url splicing occurred

I want to archive by nginx: https://www.example.com/project1 --> /data/www/pro1/public https://www.example.com/project2 --> /data/www/pro2/public now, the nginx configuration: server { listen ...
0
votes
1answer
14 views

How to handle certificates in Dockerfile

I am writing a Docker image based off of maven:3.6.0-jdk-11-slim to integrate with our Jenkins Pipeline. I am working in a corporate environment that's behind a pretty tight firewall, and I need to ...
0
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0answers
10 views

Nginx error when setting SSL certificate (SSL: error:02001002)

Background I've been using the Zulip chat client which runs on top of Django and is served by Nginx. The SSL parts of the file zulip-enterprise in sites-available looks like this. listen 443; ssl ...
0
votes
1answer
7 views

LDAPS connection is successfully happening without “tls_cacertdir” parameter in nslcd.conf

I have an OpenLDAP server in my server environment and I have another two servers[two LDAP clients] which I have configured with my LDAP server for user login. my LDAP server is only supporting LDAPS (...
0
votes
1answer
13 views

Nginx configuration works in production but not in docker

I've been working towards dockerizing our production environment, which consists of a React frontend which makes API calls to an Nginx server. The Nginx server reverse-proxies all the requests to an ...
0
votes
0answers
9 views

How to get the default domain search name (DNS suffix) on Ubuntu 18.04 desktop?

I would like to test if the DHCP server has sent a good default domain name (name="domain-search-option" code=119) to the client. The client is a Ubuntu 18.04 LTS. I cannot figure out how to get the ...
0
votes
0answers
12 views

Unable to Customize Copied SCCM Report Properties

I am running SCCM 1810 and have a reporting point installed on SQL 2012. Using Report Builder, I opened an existing report and save it to a different name. I then edited the description of the new ...
2
votes
3answers
37 views

cron expression to execute on the “second last working day” of the month

I need your help to contruct a cron job to run the second last working day of every month. I can do LW as shown below but i am not sure how to do second last. I need your help and advise here please. ...
0
votes
0answers
20 views

Manually building an ARP table

I am right now using a real time operating system called Vxworks 5.5. The address resolution protocol is disabled and now I need to build up an ARP table manually to initiate IP to IP communication. ...
0
votes
0answers
8 views

Java multiple HttpSession IDs for the same user

I have some problem with sessions. When I try my project from local sources and refresh several times a JSP that contains the following code: <h1>Session ID=<%=session.getId()%></h1>...
0
votes
1answer
18 views

Map a share that runs on a server not joined to the windows domain

We have a Windows domain. I have to set up a Windows server file share without joining the server to the domain and map the share as a drive on everyone's computer. They will all need RW access to the ...
0
votes
0answers
9 views

Nginx: Proxy pass is adding port number when trying to open directory without trailing slash on end

Everything works well except this part when a directory has no trailing slash in URL and it adds port and timeout page. This is reverse proxy setup server { listen 443 ssl http2; listen [::]:...
-1
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0answers
12 views

How to install Java SDK 8 on Debian 8

I'm unable to install Oracle Java SDK 8 but unable to do so since Oracle changed its license and webppa repo isn't working anymore. It returns a package not found.
0
votes
0answers
5 views

NFS4 idmap with IBM GPFS storage and AD

I am trying to connect a Linux machine to a new IBM GPFS-based storage via NFS4. The Linux machine uses an LDAP server and the IBM storage uses another ActiveDirectory. For now, we are in a test net, ...
0
votes
1answer
11 views

How do I rename a default AWS RDS option group?

I'm trying to bring our AWS account under terraform but it's throwing an error the that RDS Option group name isn't supported it has a colon in it. How do I rename it either via the GUI or CLI so it ...

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