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docker-ipsec-vpn-server
Docker image to run an IPsec VPN server, with IPsec/L2TP, Cisco IPsec and IKEv2
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streisand
Discontinued Streisand sets up a new server running your choice of WireGuard, OpenConnect, OpenSSH, OpenVPN, Shadowsocks, sslh, Stunnel, or a Tor bridge. It also generates custom instructions for all of these services. At the end of the run you are given an HTML file with instructions that can be shared with friends, family members, and fellow activists.
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InfluxDB
Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.
I use this and it works very well for me
If they allow you to install software on the laptop I'd probably go for something like Streisand on your server if you don't feel up to just installing the bare stuff yourself. Having said that, it's not too hard to just install OpenVPN etc. manually. Streisand would mean you're covered with various protocols though even though it's overkill.