Questions tagged [sysadmin]

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21 views

Ansible playbook not running : Import error

enter image description here ansible-playbook -v -i Monitoring/hosts Monitoring/main.yml [WARNING]: log file at /var/log/ansible.log is not writeable and we cannot create it, aborting Using /etc/...
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2answers
201 views

Is there a real point to using “Run as” local admin accounts instead of logging in as a local administrator?

Let's start by setting the scene -- I'm a junior systems administrator tasked with conducting a transition of the company towards a "Least-Privilege" model. This includes removing admin ...
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11 views

Centos 8 CLI failed to start Switch root . “failed initrd-switch-root.service” [exit code]

I have Centos 8 Cli version installed , due to power off the OS starts directly in emergency mode without starting root user . I have attached screenshot here The OS is on VMware Hypervisor esxi 6.5 ...
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16 views

Setting up a Django site on Lightsail; http works; https gives a generic Bitnami page; what do my Apache logs mean?

I've just cloned a Django project into a new Lightsail Django instance. Everything works fine if I do python manage.py runserver 0.0.0.0:8000. I'm trying to configure Apache. After some debugging, I'...
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2answers
114 views

Reverse IP Lookup to Find A Records at IP Address

I want to know if there is a Linux terminal command for getting all the domains associated with an IP address. Or more correctly - find out all the sites hosted on that server IP and/or aall the A ...
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134 views

Windows Admin Center Powershell access denied

I'm using the latest version of Windows Admin Center (2103) and when attempting to use the Powershell console within WAC, after supplying my credentials, the connection always fails with the following:...
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2answers
65 views

Best and simple way to prevent automatic backups filling all disk space in Linux, before it actually happens

Which do you think is the best and most simple way to prevent automatic backups filling all disk space in Linux, before it actually happens? I would like to automatically recycle the oldest ones when ...
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56 views

How to take image backups of the partition the backup program is running on

I am trying to take image backups for my system. I am running on a VPS from a hosting website. I wanted to try to make backups using an image software like clonezilla but that didn't work as I wasn't ...
2
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2answers
117 views

Should I chose higher CPU/low bandwidth or slightly slower CPU/higher bandwidth?

I have some servers that do a lot of file zipping operations. This also means that all the files have to be remotely downloaded first before being zipped and remotely uploaded, or remotely streamed to ...
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0answers
40 views

What is the standard way to install jdk for wildfly on production?

There are options like, install from repo, install from rpm and install from tar/zip/etc archive What are the pros and cons? One con of installing from archive is, you don't get security updates. Is ...
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36 views

FQDN hostname -f

Issue Details Working Server: root@hello:~# grep example.com /etc/hosts 127.0.1.1 hello.example.com hello root@hello:~# cat /etc/hostname hello root@0123:~# hostname -f hello.example.com Affected ...
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1answer
51 views

How to stop my server from bruteforcing another [duplicate]

There are so many resources on how to stop bruteforce attacks on your server, but I can't find any good on bruteforce attacks FROM a shared hosting server. I am getting a lot of reports from many ...
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1answer
31 views

With Domain Controller admin access, how can I see which systems users are logged into?

I have a nifty list of users here in my "pumpkin" group. I was hoping it would be easy for me to check who is logged in for several reasons: I don't want to interrupt a user with a prompt......
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1answer
25 views

How to backup Linode configuration

I have setup LEMP on Ubuntu 18.04 Linode. I have configured all my required settings for my laravel app. Can someone advise how to backup these settings so that I can use the same settings for ...
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14 views

Roaming profile between two forest trust

If a company has a Forest Trust with a partner organization where people have Windows 8.1, want to replace these devices with Windows 10 devices, and want to migrate user profiles from both Forest, ...
2
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1answer
305 views

Create a domain GPO with cmd only [closed]

I have a domain controller running Server 2003 and the goal is to create a GPO for the domain without using a GUI program (no gpedit, gpmsc, etc.). How can I achieve this goal by using cmd only? (...
2
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1answer
259 views

ubuntu KVM guest with no network connection after configuring network bridge

I am trying to add KVM guest (Ubuntu 18.04) to local network like other real servers in the network. I configured KVM bridge interface in the host system (Ubuntu 18.04) and it works fine with ...
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14 views

Converting more than one mailbox to shared

Is it possible as a sysadmin to convert parallelly the mailboxes of more than a user to shared? In the O365 admin console off course. Would be pretty practical.
3
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2answers
459 views

Can Windows Admin Center connect to a remote server?

I was thinking that through one Windows Admin Center installation I'll be able to manage several remote Win servers. However, the add server dialog seems to be able to find only local/LAN servers. Is ...
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1answer
177 views

Tomcat running on 8080 port but Fails to redirect to 8443 HTTPS port .. The 8443 port is running but cant access in web

I have deployed webapps with apache-tomcat-8.5.37. It had ssl and was working fine but when I tried to renew the ssl and installed JKS file it started to show different problems. I have resolved ...
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1answer
27 views

Create installable disk image from existing hard drive

I installed a SLES 15 machine with a special library of my work. Since I need to install other machines with the same procedure, I want to "extract" the current installation to create an installable ...
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30 views

Dell PowerEdge R630 Server swap

Our pro support with Dell is coming up on expiration for our production Dell PowerEdge R630 servers. Rather than spend approx $20k to renew pro support, our project leads have suggested another ...
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154 views

How to Check for the Java Process Running on All Network Computers?

Due to Oracle's shenanigans, our organization has decided to remove JRE from all computers under our maintenance contract. They've also decided to not replace it with OpenJDK JRE, so I've been tasked ...
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1answer
71 views

Does redhat system admin and engineering certificate (RHCSA) and (RHCE) work for all Unix-like operating systems? [closed]

Does redhat system admin and engineering certificate (RHCSA) and (RHCE) work for all Unix-like operating systems? or Can a Redhat Engineer or System admin work for a debian based companies or systems?
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1answer
176 views

Puppet - disable a user

I'm taking over an old puppet master, and I need to disable a user. I'm aware of "present", "absent", and "role", and they seem to be the only ones available. I've been searching and honestly can't ...
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26 views

OCSInventory handover table and form

I need to make some kind of handover table. Records would look like this: PC , user , action , date; X , Y , return , 10.07; X , Z , hire , 11.07; A , Y , hire , 16.07; etc. Each record would ...
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1answer
1k views

Windows server 2016 Administrator account has no permissions

I was changing settings around so that users can only use specific applications; however, I didn't realize that it was going to affect admin rights in the same way. The error I'm receiving is this: ...
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1answer
43 views

Azure Permissions in Large Organizations [closed]

I know this question is a little subjective. My intent is to just ask how typical large organizations setup their cloud permissions. I'm particularly interested in Azure implementations. I'm a ...
1
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2answers
71 views

Best practices for keeping/curating organizational ops knowledge [closed]

This is a somewhat broader question about a topic I think every organization/business is running into once there's more than one DevOps person: How to keep and curate organizational operations ...
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2answers
31 views

UnAuthorized use of tc command

I work in a small product company. I am part of team of size 4 that is building a deployment pipeline for our product My company has also hired a freelance devops consultant who helps us in managing ...
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0answers
32 views

How to find which processes caused the system slowdowns? To be used after reboot

For the last few days my Ubuntu 16.04 suffers random slowdowns that it prevents the apps from loading and doesn't even allow me to connect via SSH. The only way I can resolve it is by rebooting the ...
3
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1answer
424 views

What is a good subnet strategy for AWS VPC? [closed]

I currently have each VPC per cluster (stg, prd, tst, misc) and the standard clusters (stg, prd) have these subnets: elb: for public elb(s) that will received direct public traffic elb-int: for ...
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1answer
6k views

Windows Admin Center Doesn't Connect

I've installed version 1804.25 of Windows Admin Center (WAC) onto my Windows 10 Pro v1709 laptop. I accepted the WAC self-signed cert, provided by the installer, on first page load. I then used the ...
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2answers
593 views

Custom AdminSDHolder protected objects

I have a task to remove adminCount and restore permisions inheritance for all users that are no longer member of protected groups. However there are few groups that were created by our organization ...
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3answers
100 views

Is there a way to find hidden options and arguments on for a command / package that isnt documented?

On Linux if I install a new package and it contains commands I haven't used before, is there a way to find hidden options and args that are not documented in the MAN page or with the --help option. ...
1
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1answer
599 views

Does Windows Admin Center have a plugin system?

Does the Windows Admin Center support writing plugins? I can't find a lot of information on it, and I was wondering if it had a plugin system that I could write C# .NET applications for. I want to be ...
3
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1answer
2k views

W10 RSAT Installation Issue

I am having issues installing Remote Server Administration Tools on my W10 Pro laptop. This is my attempts and issues so far: Download WindowsTH-RSAT_WS2016-x64.msu from here: Remote Server ...
2
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2answers
5k views

Moving from WDS to MDT + WDS with prestaged computer name in task sequence

We previously used just WDS to deploy our images. WDS was setup to request approval for new machines. We used the "Name and Approve" option to name the machines as we added them. If it was pre-...