xTom

xTom is a privately held professional Infrastructure as a service (IaaS) company.

[xTom @xtomcom]

xTom is now live at MK Netzdienste, our 2nd Frankfurt site.

Colocation, dedicated servers, VPS, and IP transit available.

https://t.co/sOQcqtg0vb

#xTom #Frankfurt

[xTom @xtomcom]

There is no single best hosting location.

The right choice depends on where your users are, what laws apply to the data, how good the local connectivity is, and whether one region is enough.

How to choose:

https://t.co/kRDdCS2Mwq

[xTom @xtomcom]

Need your own IP addresses?

Request IPv6 through an RIR, wait for limited IPv4, lease IPv4 for flexibility, or buy IPv4 for long-term control. The right path depends on time, budget, routing, and ownership.

https://t.co/YyMxcysPmv

[xTom @xtomcom]

IPv4 pricing in 2026 is a market story, not a fixed number.

Small blocks like /24s can cost more per IP than larger blocks, leasing and buying tell different stories, and 2026 is showing signs of a rebound.

https://t.co/SFZZu9G2TX

[xTom @xtomcom]

A Point of Presence is where networks meet.

PoPs are the routers, switches, transit links, peering sessions, and edge systems inside data centers that decide how close your network feels to users.

Why PoPs matter:

https://t.co/2qTRcOTxZA

[xTom @xtomcom]

Manual backups fail because people forget.

Automated Linux backups with rsync, cron, rotation, database dumps, offsite copies, alerts, and restore tests are the difference between an incident and a disaster.

https://t.co/d82ZVVpQpa

[xTom @xtomcom]

A CDN is not just a speed feature. It is an infrastructure layer.

CDNs cache content at edge locations, reduce latency, offload origin traffic, terminate TLS, and absorb spikes.

When do you actually need one?

https://t.co/58TFFpiyCm

[xTom @xtomcom]

RIRs are the organizations behind IP addresses and ASNs.

ARIN, RIPE NCC, APNIC, LACNIC, and AFRINIC allocate internet number resources and shape how networks get address space.

How the system works:

https://t.co/ZN8HQZ1gPA

[xTom @xtomcom]

GeoDNS routes users by location at the DNS layer.

Instead of returning the same IP to everyone, it can send Europe to a European server, Asia to an Asian server, and North America to a North American server.

https://t.co/syClGN90jZ

[xTom @xtomcom]

Git on Linux does not need to be mysterious.

Install it with your distro package manager, set your name and email, then learn the everyday loop: status, add, commit, branch, pull, push, and undo.

Starter guide:

https://t.co/1w2dODhnxn

[xTom @xtomcom]

IPv4 /24, IPv6 /48, /64, /32 - the numbers matter.

CIDR block sizes decide how networks are allocated, subnetted, and announced over BGP. Learn why /24 matters in IPv4 and why IPv6 thinks in much larger blocks.

https://t.co/G2oYSdLUhf

[xTom @xtomcom]

Linux desktop share is no longer just a niche talking point.

March 2026 data shows Linux at 3.16% globally by StatCounter and 5.33% on Steam, with much higher usage among developers.

Full breakdown:

https://t.co/YmDp1N9hyO

[xTom @xtomcom]

grep looks simple until you use it every day.

Search logs, filter command output, match patterns, show context, count errors, and troubleshoot faster from the Linux terminal.

The grep flags you will actually use:

https://t.co/WDbrHARMox

[xTom @xtomcom]

Debian or Ubuntu?

Same roots. Different priorities.

Debian = stability.

Ubuntu = ease and speed.

Choose based on your use case, not hype.

Read more:

https://t.co/xsWeTY67hb

[xTom @xtomcom]

What is RAID?

It spreads data across multiple drives to improve performance or prevent data loss.

One disk fails doesn’t mean everything is gone.

Storage isn’t just space. It’s strategy.

Read more:

https://t.co/YLqteje3Lj

[xTom @xtomcom]

What is a GRE tunnel?

It wraps packets and sends them across networks like a virtual link.

Useful for connecting sites or routing traffic privately.

Under the hood, it’s simple but powerful.

Read more:

https://t.co/i4l5Xtk08o

[xTom @xtomcom]

Need better IP or domain lookup than WHOIS?

RDAP gives structured, more reliable data with modern access methods.

Cleaner, more useful, easier to integrate.

Time to upgrade your tools.

Read more:

https://t.co/2xI9cZhDJ1

[xTom @xtomcom]

What is the Linux kernel?

It’s the core that connects hardware and software.

Processes, memory, devices — all go through it.

No kernel, no OS.

Everything starts here.

Read more:

https://t.co/qP60EUfg6i

[xTom @xtomcom]

What is a Looking Glass?

It lets you see routing and network paths from another server’s view.

Debug latency. Verify routes. Troubleshoot globally.

Essential for network operators.

Read more:

https://t.co/GYMhQ8STx9

[xTom @xtomcom]

How does the internet actually work?

It’s not magic.

It’s packets, routing, protocols, and global infrastructure working together.

Behind every click is a complex system.

Understand it. Build better.

Read more:

https://t.co/Y2WuGtm0s7