Latest Server related questions

Score: 0
jefferson.macedo avatar
HP Proliant Servers doesn't boot OS ("boot logical drive is configured but is missing or offline" error)
gb flag

I purchased a refurbished HP Proliant Server DL560 Gen8 in order to create my own home lab.

The most painful step was to get an Operating System properly working, doesn't matter what was the OS. I tried VMware Esxi, Red Hat, Windows, among others. I spent more than 16 hours researching (even here) and troubleshooting that matter.

The installation was succeeding, but after restarting the server, it w ...

Score: 0
Sunil avatar
Request throughput between Graviton instances ( C7xLarge vx C72xLarge)
it flag

Question: I have multiple(roughly 8) Ec2 C7xLarge instances which can comfortably handle 2500 to 3000 requests/per second. I am running this using an Elastic Beanstalk environment. In terms of throughput, can I achieve twice the same throughput if I opt for 4 EC2 C72xLarge instances?

Reverse proxy used : nginx

The reason for changing these instances because we have some kind of discount for 2xLarge ins ...

Score: 1
a.ilchinger avatar
Configure ceph block storage pool in cockpit
nl flag

I have a plain install on machine C with Oracle Linux 9.1 and cockpit and cockpit-machines. On machines A and B I have a ceph cluster configured which defines an rbd block storage pool for VM disks. Having copied a minimal config and the keyrings onto machine C I can "access" the ceph cluster as in the command ceph osd lspools on machine C returns all configured pools as expected.

In the cockpit UI howe ...

Score: 1
Argy Megalios avatar
What does the State Repository Service do on Windows Server Core?
nr flag

My Zabbix monitor has been complaining for a while now that the State Repository Service (StateRepository) is not running on one my Windows 2022 Server Core machines, despite being set to automatic startup. Looking at system logs, the service seems to run every day for a couple of minutes (at a different time on each machine) and then stop again, after a series of not-very-informative log messages, but  ...

Score: 0
U. Windl avatar
Can I specify an alternate port when importing a Data Protector Client
it flag

I want to import a Windows Data Protector client that uses (legacy) port 5555 into a Cell Server running 11.02. When I try it, I'm offered the certificate to accept, but the I get an [12:1625] Import host failed. error.

I suspect that it's due to the fact that recent installations default to using port 5565 instead.

So my question is: Is there a way to specify the port to use when importing a cli ...

Score: -1
HiddeV22 avatar
Multiple problems when trying to set up a no-reply email adress
vi flag

I have an email server setup using Postfix, Dovecot and MySQL with virtual mailboxes using PostfixAdmin. This was created following a tutorial, because I am fairly new to email servers, and everything is working really well.

I wanted to make a no-reply email address for purposes like sending newsletter-esque emails that people can't reply to. I first tried this by creating a new mailbox with a qu ...

Score: 2
fudo avatar
AWS - lambda versions to different gateway stages?
mx flag

Coming from a "classic/standard" development I'm used to have different deployment stages, e.g. staging and production, each one with its application version.

AWS Lambda functions and API Gateway are freaking me out on how to handle versions and releases, and maybe it is because I'm trying to do it in the non correct way it's meant to be on AWS.

Lambda functions can have both versions and aliases wh ...

Score: 0
02dag avatar
socat is missing commands for haproxy on ubuntu 20.04
vn flag

I have installed haproxy 2.6.6, socat 1.7.4.1 and have a working load balancer for Exchange. I want to be able to turn off a node for maintenance and have unsuccessfully tried to use socat to do this.

In my haproxy.cfg global section I have:

stats socket /run/haproxy-master.sock mode 660 level admin expose-fd listeners
stats timeout 30s
user haproxy
group haproxy
daemon

When I am using this command

Score: 0
ACPI errors and boot stops in emergency mode
ne flag

Some month ago I got errors during the boot of Ubuntu on my machine. They were about ACPI and other stuff. Sometimes the boot process stopped, sometimes it was successful. I thought it was something about my SDD so I bought a new one and installed a fresh Ubuntu.

Now after a couple of months I get a similar issue:

enter image description here

so now I don't think it's a problem of the SDD. My machine is composed of:

  • Intel( ...
Score: -1
Hoygen avatar
Logon Local User In Windows Server Without Password Inside Active Directory
gn flag

I Just made a new windows 2012 r2 server and joined it to the domain. I've been asked to create a local user without password inside that server. I keep getting "The password does not meet the password policy requirements. Check the minimum password Lenght, Password complexity and password history requirements" every time I try to make the new user. How can I achieve that? Regards

Score: 0
has van avatar
Packet capturing using arp poisoning and IP forwarding
mv flag

I made a script in Golang that allows me to perform ARP poisoning attack and with that I enabled IP forwarding to forward the packets to my router. When I use pcap.OpenLive I can only see the packets from the attacked device to the router. For example, if I go to www.example.com I can see the request from the device to the site but not the other case. What can I do to capture those packets?

    handle ...
Score: 0
IamBayMax avatar
Exchange Server CU Update
bq flag

I am planning to migrate our current Exchange server 2016 CU19 (Hybrid Setup with MS365) to Exchange server 2019. Do I still need to install CU11 on the current exchange server 2016? Thank you.

Score: 0
TRONG NGUYEN avatar
Monitor disk I/O with zabbix
cn flag

I'm running both zabbix 5.0.30 and zabbix agent 5.0.30 on Centos 7

In Centos 7 server, I executed this command

[root@STG-front default]# iostat -d sda
Linux 3.10.0-862.el7.x86_64 (STG-front)     01/09/2023  _x86_64_    (1 CPU)

Device:            tps    kB_read/s    kB_wrtn/s    kB_read    kB_wrtn
sda               0.27         0.60         2.92    1099613    5370225

I want to monitor the tps, kB_read/s, ...

Score: 1
Michael Angel P. avatar
FreeIPA import hashed passwords or sync with another ldap
ru flag

We want to setup FreeIPA to work with our legacy user management system, we can output an ldif file and alter it into a FreeIPA compatible format and import it. Everything works nicely except for the hashed passwords, our ldif file includes the password pre-hashed, but when I import it with the account it does not work.

The imported users can connect to linux servers that are given permission for ...

Score: 2
Cray avatar
.htaccess - Redirect all URLs with one exception
io flag

I want to redirect all URLs from one domain to another. Some of the old URLs have new counterparts with specific pages to redirect to. All other URLs should redirect to the homepage of the new domain.

But I don't want to rediret the sitemap.xml. So I made an exception like this (from here):

RewriteCond %{REQUEST_URI} !^/sitemap.xml?$

But it doesn't work.

Here's my complete code:

RewriteEngine on ...
Score: -1
Huy võ lê avatar
Different between of the role of Nova-Conductor and Nova-Compute
qa flag
  • Assert: I don't understand about OPS/Redhat explaination. Because all of information said nova-conductor will help database-accessing for nova-compute, every chart/image showed, too.

From OPS Community

nova-conductor module: Mediates interactions between the nova-compute service and the database. It eliminates direct accesses to the cloud database made by the nova-compute service. The nova-con ...

Score: 1
Han Moe Htet avatar
Windows Server 2019 can't install RemoteAccess - missing assembly
ru flag

I have Windows Server 2019 datacenter (v1809) installed. I need to add Windows feature "RemoteAccess". I have tried installing it both from "Add Roles and Features Wizard" and through Powershell: "Install-Windows-Feature RemoteAccess". And both failed with error message saying missing assembly. Can I get any help?

enter image description here

Here is my CBS log

https://drive.google.com/file/d/1bfKmzAxiM9TK7Ku1tuxK4HJVjua0XoTg/view ...

Score: 1
sailektiv avatar
.NET Framwork 3.5 Offline Unattended Install
gl flag

I'm trying to install dotNet 3.5 on Windows 10 22H2. The target has no monitor and no access to the internet. When using the flags suggested by Microsoft /q /norestart, the package is not installed. Trying those flags on a similar machine with a monitor connected, the GUI "Download and install this feature" still shows up and needs a confirmation.

What I've done:

I've downloaded the offline insta ...

Score: 0
stocton12 avatar
apache proxy, protect folder, exclude file
hu flag

I'm using apache as a reverse proxy and I was wondering how can I protect a folder but exclude a file within that folder. For example if I use

<Proxy http://192.168.1.10/myfolder>
  Require ip x.x.x.x
</Proxy>

how can I proxy to 192.168.1.10/myfolder/myfile.php?

Score: 1
Xylex avatar
Intel® iSCSI Remote Boot Intel X540-T2
us flag

I have an Intel X540-T2 Dual port 10GB Ethernet adapter. DEV ID: 8086/1528

I am trying to setup a workstation to boot from a SAN using iSCSI.

Everything I have read about this card says that Intel® iSCSI Remote Boot is supported. Yet, I cannot enable it, nor configure it using any of the boot utilities I have found, including the DOS utility or the BOOTUTILW64E.EXE command line utility that Intel r ...

Score: 0
Shubham Dixit avatar
Curl command doesn't works without sudo
xk flag

I am trying to make a curl request to https://www.google.com but gives this error

SSL certificate problem: unable to get local issuer certificate

the same command works with sudo ,how to solve this problem ,I can't have sudo access due to company policies.

curl -v  https://www.google.com

gives

SSL certificate problem: unable to get local issuer certificate
* Closing connection 0
curl: (60) SSL c ...
Score: 0
ram ajay avatar
how to add Certificate Sign on .pem file under x509v3 Basic constraints
eg flag

Could anyone please suggest me to add or remove Certificate Sign parameter which I marked in the below-mentioned picture?

I know it can be done on openssl.cnf file but couldn't able to identify the correct name and format.

Thanks

enter image description here

Score: 0
Anm avatar
"Welcome to Intellek" when trying to install Windows LTSC 2021 in Qemu
mk flag
Anm

On the "Account" stage, it says "Welcome to Intellek" and prompts me to enter my email for Intellek. I do not know what that is, a search reveals it is some company? I downloaded two ISOs from the official Windows evaluation site. I do not know how to continue: [what I am presented with][2]

My qemu command:

qemu-system-x86_64 -drive file=Windows.img,format=qcow2,if=virtio \
 -drive file="en-us_windows_ ...
Score: 0
Kevin J. Rice avatar
Prometheus Metrics - Multiple boxes in one file
in flag

My existing custom exporter for Prometheus generates:

this_metric_one 10.3
this_metric_two 11.4

Currently this is running on two boxes, Box_A and Box_B. INSTEAD, I want to have Box_C query both (Box_A and Box_B) (for Reasons) and return metrics to Prometheus, without having to change too many dashboards.

Can I have my exporter generate:

Box_A this_metric_one 12.3
Box_A this_metric_two 13.4
Box_B th ...
Score: 8
Is there anything about going from gp2 to gp3 storage which requires careful consideration?
ge flag

I'm maintaining an AWS RDS database (db.m6g.xlarge) which has a 750GB disk. This gives 2250 IOPS and the RDS monitoring tells me that the read throughput on average is ~ 50MB/s and write throughput is ~ 2MB/s.

The database IOPS hovers around 2250, so it clearly needs more IOPS.

I'm looking at the new gp3 storage, and when I set up a price estimate for that storage type for a 750GB disk I get 1200 ...

Score: 0
gabogabans avatar
Ubuntu: Execute shell script with fail2ban when user fails to log in ssh
mp flag

In my ubuntu server I use fail2ban to block repeated failed ssh logins, when fail2ban detects this I want to execute a shell script, is this possible to do?

My ssh jail:

[ssh]
findtime = 10m
maxretry = 3

My shell script is in this location:

/home/MyUser/scripts/send-mail

Also, how can I get the banned IP? I want to send that information too if possible

Score: 0
Saurabh Nanda avatar
haproxy "max open files" reduces automatically after startup
sd flag

I was trying to fix the following error being logged by haproxy...

Proxy https-in reached process FD limit at 544. Please check 'ulimit-n' and restart

...and added LimitNOFILE=1024 in haproxy's systemd unit file.

However, what I"m observing is that haproxy starts-up with 1024 "max open files" (confirmed via /proc/<pid>/limit), which drops back down to 544 after a few seconds.

Two related quest ...

Score: 1
daniel buettiker avatar
Getting AH02032 using TLSv1.2 despite identical SNI server name and Hostname, but SNI has the port number attached. No error in test env. with TLSv1.3
pl flag

Getting the the error message below despite identical Hostnames. What I don't understand, why the Hostname provided via SNI has the port number attached even though, according to Hostname specification, the colon and port number is not listed as part of the Hostname definition and the OpenSSL SNI extension treats the server name as Hostname. Is this a parsing error in Apache (and Wireshark)?

A tc ...

Score: 0
AAB avatar
sfp and sfp28 compatibility
au flag
AAB

I have gotten a server which has "Broadcom 57454 10/25GbE SFP28 4-port OCP Ethernet Adapter" When I connect it to a switch port which is sfp the link status on the server is reported as active and it even sends packets for the DHCPDiscover but the packets never reach the server, the switch is unifi. The OS which I have tried is ubuntu18/Ubuntu22.10, right now I am trying freebsd 13, I load driver as a m ...

Score: 4
pileup avatar
How to make get_current_user() return the same user as $_SERVER['AUTH_USER']?
th flag

I have a PHP app that uses LDAP for logging in. The app is served on Windows Server with IIS.

In the past, I was using $_SERVER['AUTH_USER'] to get the remote Windows user that was using the app:

$user = $_SERVER['AUTH_USER'];

Then I changed it to :

$user = get_current_user();

Both returned the same value - the Windows username that is currently using the website.

For example, if my Windows username is ...

The Stunning Power of Questions

Much of an executive’s workday is spent asking others for information—requesting status updates from a team leader, for example, or questioning a counterpart in a tense negotiation. Yet unlike professionals such as litigators, journalists, and doctors, who are taught how to ask questions as an essential part of their training, few executives think of questioning as a skill that can be honed—or consider how their own answers to questions could make conversations more productive.

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