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Tag: documentation

Posted August 24, 2021February 20, 2022Leave a commentPosted in LinuxLinux

systemd – resolved Setup Guide

systemd can provide a service named resolved to handle DNS resolution. This service can handle DNS over TLS, DNSSEC validation, DNS caching, Multicast DNS resolution and more. Depending on the Linux distribution, resolved may be used by default. On these systems there should be a symlink from /etc/resolv.conf to a […]

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Posted January 2, 2019April 17, 2021Leave a commentPosted in JuniperJuniper

Access Juniper vSRX Wind River Host

The Juniper vSRX uses nested virtualization to run. The host OS is Wind River Linux, assuming you are running this on ESXi you can see the host OS if you push Alt + F2 to access a separate terminal. For troubleshooting or if you are interested in further information about […]

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Posted December 3, 2018April 17, 2021Leave a commentPosted in Server, WindowsServer, Windows

Force Active Directory Replication

If Active Directory is out of sync, you can force a pull or push replication event from a domain controller. Push (push all changes from the domain controller to other domain controllers): Pull (pull all chnages from other domain controllers to this domain controller): Explanation The CLI flags are: /A: […]

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Posted October 29, 2018April 17, 2021Leave a commentPosted in Powershell, WindowsPowershell, Windows

Add IPv6 address with Powershell

These steps will configure IPv6 on a network adapter using Powershell. Adding an IPv6 address Make sure Powershell is launched with Administrator permissions. Get the ifIndex for the network adapter that you want to configure the IPv6 address on: In this case we would like to add the IPv6 settings […]

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Posted October 18, 2018April 17, 20212 CommentsPosted in MX/vMXMX/vMX

Juniper MX – Rebooting a MS-MIC-16G

I experienced a strange issue after making some configuration changes to a Juniper MX104 device with a MS-MIC-16G installed. After removing some NAT rules the services interface that the NAT service was attached to started doing a large amount of traffic. The same change was made on a second router […]

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Posted June 18, 2018April 17, 20211 CommentPosted in Linux, NetworkingLinux, Networking

Ping all IPv6 Neighbors

ping6 can be used on Linux hosts to ping the “allhosts” address, ff02::1. If you try running ping6 ff02::1 with no arguments you will get an error like connect: Invalid argument, instead you must provide the interface to ping from with the -I argument. As an example, to ping all […]

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Posted June 17, 2018April 17, 2021Leave a commentPosted in Desktop, Linux, ServerDesktop, Linux, Server

Common LVM Commands

These are some common commands that are used when managing LVM devices. Volume Groups Create a volume group: vgcreate vg0 /dev/sda3 [/dev/sdb /dev/sdc /dev/sdd …] Logical Volumes Create a LV: lvcreate -n LV-NAME -L 30G VG-NAME Delete a LV: lvremove -n LV-NAME VG-NAME

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Posted May 22, 2018April 17, 2021Leave a commentPosted in Powershell, WindowsPowershell, Windows

Grep files with Powershell

Powershell can be used to search for content (with regex support) for files in a path by using Select-String: The output of the command looks like this for any results:

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Posted May 18, 2018April 17, 2021Leave a commentPosted in Linux, ServerLinux, Server

Common PostgreSQL Commands

These are some common PostgreSQL commands for things that I need to remember. Opening session This assumes linux authentication (default for Debian Linux). Run the psql command as the postgres user: Open a database with \c DBNAME: Showing Table Info Use \dt to show table information (same as show tables; […]

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Posted May 16, 2018April 17, 2021Leave a commentPosted in Powershell, Server, WindowsPowershell, Server, Windows

Get Active Directory Computer with Powershell

The PowerShell cmdlet Get-ADComputer can be used to retrieve the details for a computer account. You can use a filter if required. The usage of this cmdlet is like this: If no filter property is provided you will be prompted for the filter when running this cmdlet. Examples Some examples […]

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