Ping monitor .bat file to check network connection

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This simple batch file was used to monitor a network after several complaints about an erratic internet connection. I didn’t want to spend too long on the initial investigation. Create a file called ping_test.bat and copy the script…

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Checking remote host TLS / SSL Version with nmap / openssl

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Checking SSL / TLS version support of a remote server from the command line in Linux. Method 1: openssl s_client The simplest way to check support for a given version of SSL / TLS is via openssl s_client ….

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Windows 10 cannot access NAS drive shares (network path not found)

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Background: Workgroup network (not a domain), Netgear ReadyNAS and about a dozen Windows 7 and Windows 10 desktops. Existing equipment is okay. A brand new Windows 10 Laptop (1803) does not see ReadyNAS shares. Windows throws error code:…

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Using smartctl to monitor the Adaptec 2405 RAID controller disks

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First use lspci to determine the type of RAID controller.   The RAID controller (Adaptec AAC-RAID) presents a virtual disk to the OS using an array of physical disks. With this particular controller you can use smartctl  to check…

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Simple scheduled log file clean up with PowerShell 1.0

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Servers accumulate gigabytes of log files over time. Anyone who has managed Microsoft’s IIS Service will know it collects data until your hard disk is full. You can set a log rollover based on interval or file size but IIS…

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How to remove an offline file sync partnership

Windows Offline Files

Removing the offline files sync partnership via the GUI isn’t straightforward. If you can’t delete the sync partnership from the GUI you will need to do the following: 1. Go to Control Panel –> Sync Center –> Manage…

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Symbiosis Backup Reference (backup2l)

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Symbiosis uses the backup2l software to handle backups. backup2l is a lightweight command line tool for generating, maintaining and restoring backups on a hard disk. Backups are created autonomously by a cron script. It features differential backups at multiple hierarchical levels…

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Installing Bytemark Symbiosis on Debian 9 (Stretch)

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Start with the network install or “netinst” image to install the operating system. This image contains just the minimal amount of software to start the installation and fetch the remaining packages over the internet. I’m using the 64…

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Sending Symbiosis backups to a server outside Bytemark

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Symbiosis is an easy to use hosting environment developed by Bytemark. The system includes backup2l to handle backups. backup2l is a lightweight command line tool for generating, maintaining and restoring backups. The backup2l configuration is generated from the…

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How to prevent web page caching across all browsers

HTTP Headers bbc.co.uk

There are two main types of cache headers, Cache-Control  and Expires . They define the caching characteristics of your resources. Typically, Cache-Control  is a better approach than Expires , however, both headers can be used simultaneously. Cache headers are applied…

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