Tag: manager

Mongodb Ops Manager url changed

Recently we successfully updated the hostnames of the mongodb servers from short hostname to FQDN. Now we are not getting automation logs on the server, however we are able to see the logs on the ops manager. When checked, initially the ops manager url was “https://opsmgr.xx.xx.com/v1/” now it has changed to “https://opsmgr.xx.xx.com/v2/” .

Also on preprod environment we are getting the logs, on prod its not getting updated!!

DB version : 3.4 Prod Ops Mgr version : 3.4 PreProd Ops Mgr :3.6

Any help is much appreciated. Thanks

network manager package for vpnc installed but cannot be used (ubuntu 16.04.6)

I have installed network-manager-vpnc in order to establish a VPN connection. The installation has been successful if I understand this correctly:

$   dpkg -l | grep network-manager-vpnc ii  network-manager-vpnc 1.1.93-1ubuntu0.1 amd64 network management framework (VPNC plugin core)

Additionally

$   vpnc --version vpnc version 0.5.3r550-2build1 ...

However, if I go to the network button in the desktop menu bar, the entry ‘VPN connection’ leads to ‘Add a VPN connection…’ that is greyed out. A definite closed road.

If I force my way through the entry ‘Edit connections…’, I then can add a VPN connnection but it is not of the type “Cisco Compatible VPN (vpnc)” that I expect based on the manual I am following. In fact there is only the option below:

screenshot of dialogue window to set up the type of VPN connection

Therefore, the closed road above was not as closed as it claimed, but it does not lead where I expected anyhow.

I have looked at other posts but, e&oe, none concerns such an early stop. Is there anything that I can do to fix these inconsistences? The aim is to get the network manager acknowledge and create a vpnc-based VPN conection.

In general the network manager is doing fine as far as Ethernet and wireless are concerned. OS situation:

$   uname -a Linux laptop 4.15.0-58-generic #64~16.04.1-Ubuntu SMP Wed Aug 7 14:10:35 UTC 2019 x86_64 x86_64 x86_64 GNU/Linux

Should a browser make its own password manager?

I’m trying to figure out if products such as Firefox’s Lockwise are a superb idea or a terrible one.

On the one hand, installing a third-party addon to your browser comes with inherent risks, so cutting out the middle man and using a password manager made by the browser manufacturer could be seen as having less risk.

On the other hand, keeping passwords in the browser has historically been seen as very insecure (at least back when nobody encrypted them), and using a tried-and-true password manager that has had bug bounties on it for years and held up to a lot of pentesting could be advantageous, and browser manufacturers might not be specialized in the type of security necessary for password management (in-browser products might be seen as roll-your-own solutions).

Are there any risks I’m missing? What might (or ‘does’ if you would like to speak to this specific case) mitigate the risks?

Ubuntu 18.04 Network Manager Not Creating New Connection for USB Ethernet device

The issue is that when I add a usb ethernet device, network manager doesn’t create a new connection for the added device. It correctly manages it but it is stuck in the disconnected state until you manually add a connection with network manager. This is not how a regular install behaves which has network manager creating connections in memory and attaching it to the device you just plugged in.

I installed ubuntu using the alternative installer and use a preseed file to set up the machine. In the preseed file we install all the packages for the ubuntu desktop and a few others. This may be related to the issues. Possibly relevant sections of the preseed file, everything else is related to partitioning and encryption.

d-i netcfg/choose_interface select auto tasksel tasksel/first multiselect ubuntu-desktop d-i pkgsel/include string ssh build-essential python-minimal ubuntu-desktop vim

The reason for installation this way is beyond this question. It can be changed but this bug effects devices that have already been setup this way and fixing them can’t be “reinstall”.

An example of nmcli output when there is a ethernet connection on the motherboard and two usb ethernet connections. 

eno1: connected to netplan-eno1  enx8cae4cfea138: connected to Wired connection 1  enx00e08f005933: disconnected         "Realtek USB 10/100/1000 LAN"         1 connection available         ethernet (r8152), 00:E0:8F:00:59:33, hw, mtu 1500

It seems somewhere during the install, network manager creates ‘Wired Connection 1’ in /etc/NetworkManager/system-connections/ which it then applies it to any connected usb device. eno1 seems to be using something that netplan generates. I’m not sure where I should be looking for all of this, the mix of netplan, networkmanager and systemd-networkd that this Frankenstein machine results in is a bit confusing but here are some relevant config files. These are untouched from a fresh install.

/etc/NetworkManager/NetworkManager.conf

[main] plugins=ifupdown,keyfile  [ifupdown] managed=false  [device] wifi.scan-rand-mac-address=no

/etc/NetworkManager/system-connections/Wired connection 1

[connection] id=Wired connection 1 uuid=5da83520-ee6d-4e0a-a21d-27d0c9eb5b77 type=802-3-ethernet  [802-3-ethernet]  [ipv4] method=auto  [ipv6] method=auto ip6-privacy=2

/etc/netplan/01-netcfg.yml

# This file describes the network interfaces available on your system # For more information, see netplan(5) network:   version: 2   renderer: networkd   ethernets:     eno1:       dhcp4: yes

/etc/netplan/01-network-manager-all.yaml 

# Let NetworkManager manage all devices on this system network:   version: 2   renderer: NetworkManager

/var/run/NetworkManager/system-connections/netplan-eno1

[connection] id=netplan-eno1 type=ethernet interface-name=eno1  [ethernet] wake-on-lan=0  [ipv4] method=auto  [ipv6] method=ignore

/etc/network/interface 

source-directory /etc/network/interfaces.d

and interfaced.d is an empty directory.

NetworkManager is an enabled service and systemd-networkd is not enable.

Journalctl from network manager when I plug the usb ethernet into the device when it fails to assign it a connection. 

Aug 09 15:06:25 <computer> NetworkManager[1011]: <info>  [1565388385.0741] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/8) Aug 09 15:06:25 <computer> NetworkManager[1011]: <info>  [1565388385.1246] devices added (path: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-8/2-8.1/2-8.1:1.0/net/enx8cae4ce9dc04, iface: enx8cae4ce9dc04) Aug 09 15:06:25 <computer> NetworkManager[1011]: <info>  [1565388385.1246] device added (path: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-8/2-8.1/2-8.1:1.0/net/enx8cae4ce9dc04, iface: enx8cae4ce9dc04): no ifupdown configuration found. Aug 09 15:06:25 <computer> NetworkManager[1011]: <info>  [1565388385.1247] device (enx8cae4ce9dc04): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external') Aug 09 15:06:28 <computer> NetworkManager[1011]: <info>  [1565388388.4869] device (enx8cae4ce9dc04): carrier: link connected Aug 09 15:06:28 <computer> NetworkManager[1011]: <info>  [1565388388.4897] device (enx8cae4ce9dc04): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed')

Journalctl from network manager when I plug the usb device into my own destkop. 

Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.0379] manager: (eth0): new Ethernet device (/org/freedesktop/NetworkManager/Devices/11) Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.0961] devices added (path: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/net/enx8cae4ce9dc04, iface: enx8cae4ce9dc04) Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.0961] device added (path: /sys/devices/pci0000:00/0000:00:14.0/usb2/2-4/2-4:1.0/net/enx8cae4ce9dc04, iface: enx8cae4ce9dc04): no ifupdown configuration found. Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.0964] device (enx8cae4ce9dc04): state change: unmanaged -> unavailable (reason 'managed', sys-iface-state: 'external') Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.4268] keyfile: add connection in-memory (15600b6f-63ad-37ae-9f6c-2f2e28f05489,"Wired connection 4") Aug 09 15:04:25 <computer> NetworkManager[2382]: <info>  [1565388265.4272] settings: (enx8cae4ce9dc04): created default wired connection 'Wired connection 4' Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5839] device (enx8cae4ce9dc04): carrier: link connected Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5877] device (enx8cae4ce9dc04): state change: unavailable -> disconnected (reason 'carrier-changed', sys-iface-state: 'managed') Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5899] policy: auto-activating connection 'Wired connection 4' Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5926] device (enx8cae4ce9dc04): Activation: starting connection 'Wired connection 4' (15600b6f-63ad-37ae-9f6c-2f2e28f05489) Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5935] device (enx8cae4ce9dc04): state change: disconnected -> prepare (reason 'none', sys-iface-state: 'managed') Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5949] device (enx8cae4ce9dc04): state change: prepare -> config (reason 'none', sys-iface-state: 'managed') Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5961] device (enx8cae4ce9dc04): state change: config -> ip-config (reason 'none', sys-iface-state: 'managed') Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.5972] dhcp4 (enx8cae4ce9dc04): activation: beginning transaction (timeout in 45 seconds) Aug 09 15:04:28 <computer> NetworkManager[2382]: <info>  [1565388268.6012] dhcp4 (enx8cae4ce9dc04): dhclient started with pid 25848 Aug 09 15:04:28 <computer> dhclient[25848]: DHCPREQUEST of 10.15.1.104 on enx8cae4ce9dc04 to 255.255.255.255 port 67 (xid=0x46cb0eef)

It’s the “Creating connection in memory” line that is missing from the device logs. Is there some setting I’m missing to set for network manager that enables it to do that?

Verifying Workflow Manager Client Installation

This is a similar question to here but I was asked to post a new question instead of posting on that one. So, my question is regarding Workflow Manager Client. I just installed the WFM server component on the app server in my SP farm (the farm is a small farm with one WFE, one app server and one DB backend).

As per the instructions here, it says for my scenario (installing WFM on a server in the SP farm and using HTTPS), I was supposed to:

  • Install WFM
  • Run the Register-SPWorkflowService cmdlet to pair the WFM farm with the SP farm
  • Install the WFM Client on the remaining SP farm servers

…in that order. So that is exactly what I did. Everything went smoothly with both the WFM server and client installations. But after installing the client, when I run the following cmdlets on the WFM server:

Get-WFFarm Get-WFFarmStatus

…it only shows the WFM server (SP app server) as the only machine in the farm (the output of Get-WFFarmStatus shows it as both the frontend and backend). But there is no mention in the output of either cmdlet about the WFE, which is running the WFM Client.

So, I am trying to find out how I can verify that the client is properly joined to the WFM farm. And I’m also wondering if the instructions at the MS link above are incorrect, because many other things I’m reading now are saying to run the Register-SPWorkflowService cmdlet after installing the WFM client on all SP servers, which contradicts the info in the MS article. The article (which is recent – 2018) only says to do things in that order if installing WFM on a server outside the SP farm, which was not my scenario. But if I did do things in the wrong order – should I run the cmdlet again (now that the client is installed)? Is there any harm in doing so?

I have done a lot of Googling on this issue and I have not been able to find any info at all on how to validate a Workflow Manager Client installation/how to confirm that a WFM client is properly joined to the WFM farm and communicating w/ the WFM server properly. The Workflow Service App Proxy says it is running and when I go to its details, it says “Workflow is connected”. But again, this gives me no info on the client.

Any help is much appreciated!

Can’t Identify the CA certificate chain in the server’s certification manager to auto enroll it

I’m on Windows Server 2019 with AD/DC,DHCP,DNS,Remote Access and CA roles installed on it. I created a VPN certification (for SSTP and IKEv2) on my server, issued it and installed it in the personal certificate store. now I want my clients (basically Windows 10 pro machines) to automatically receive the CA Certificate Chain so that they can trust certificated issued on my server like the VPN cert. I’m gonna do this using group policy but the problem is I can’t tell which one of the installed certificates in the certificate store of the local machine (Server 2019)is actually the CA Certificate Chain.

I have 3 identical CA certificates, 2 of them are in the Trusted root certificate authority store and one of the is in the personal store.

here is the details of those 3 certs, the screenshots i took from the details are the same in all 3 certificates.

View post on imgur.com

I’d appreciate if someone can help me find the right one.

Can’t resume after suspension/hibernation/display off that xfce power manager performs automatically

I’m having trouble resuming from both suspension and hibernation that the xfce power manager performs automatically. I mean, for instance, I set up my pc to hibernate when the battery reaches the critical level. But I’m unable to resume. The pc does not respond. I have to press the power button and it powers off. And then, start the system again.

Also, when the power manager powers off the screen due to idle time, exactly the same happens. I have to press the power button and start the system again.

I have tried this having in mind that the problem was about permissions when not logged in. But it didn’t make any difference.

When I use the commands sudo pm-suspend or sudo hibernate everything works fine. But the command xset dpms force off triggers the same problem.

By the way I’m using debian 10 on an lenovo ideapad 100 with Intel celeron. (I moved from xubuntu to Debian hoping that would solve the problem)

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