Linux, Windows and Other Server Admin Hacks
How to mount a NTFS disk in Debian. Find the disk: # fdisk -l Disk /dev/sda: 232.9 GiB, 250059350016 bytes, 488397168 sectors Disk model: ST3250310AS Units: sectors of 1 * 512 = 512 bytes Sector size (logical/physical): 512 bytes /…
How to use wget to download iso’s directly to proxmox 6.2-14. Here is the location for the iso file. There is 1 ISO – a Debian ISO that I uploaded to the GUI. Login the proxmox host via ssh. Now…
Check open ports: How to identify the processes that are keeping ports open Windows OS For Windows operating systems, you can use netstat, which is included with the OS. On the scanned server, open command prompt. Run the command: netstat…
See: https://developers.yubico.com/OTP/Guides/Self-hosted_OTP_validation.html This article will show the installation of Yubico KVM and Validation Server on seperate Proxmox Debian VM’s. First set up 2 Proxmox VM’s. Next install several packages. Pre-requisites for Both Servers Run: #apt-get install software-properties-common#apt-get install software-properties-common root@k1:~#…
Here is a simple lamp install script for CentOS 8. #!/bin/bash #update system dnf update #install apache dnf install httpd httpd-tools -y systemctl enable httpd systemctl start httpd systemctl status httpd #update firewall firewall-cmd –permanent –zone=public –add-service=http firewall-cmd –permanent –zone=public…
Flushing the DNS cache on Windows 10 is a very easy process and may be needed to connect to web sites that have changed servers. Due to system security permissions, you must ensure that you run the command prompt as…
Here we provide a particularly useful command-line command that shows you which scripts are responsible for outbound mail. For example, when WordPress themes get exploited, you will see a large number of messages coming out of a long directory inside…
The Ed25519 was introduced on OpenSSH version 6.5. It’s the EdDSA implementation using the Twisted Edwards curve. It offers a better security with faster performance compared to DSA or ECDSA. Some benefits are that its faster, and compact – it…
Some great scripts for stress testing and benchmark tests: https://haydenjames.io/linux-benchmark-scripts-tools/
Recently, I had the task of importing emails form a cPanel email account to Outlook. This was after the DNS had changed to the office365 servers (mail.protection.outlook.com). There is no export from Horde to PST format – only MBOX. So,…
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