Configure call forwarding in GSM networks

There are times one one has more phone numbers than one can handle or when one needs to make sure one can receive calls on a number even when the phone’s battery died or there is no network coverage.

This is where call forwarding comes in – where for a price (the forward is taxed as an outgoing call) incoming calls can be sent to an alternative phone number…

DVB-C TV on Raspberry PI with LibreELEC/Kodi

There are plenty of TVs to chose from and nowadays they all know DVB-C so why go through all the trouble of building a TV player with a Raspberry PI?

Well… because it’s fun and because of the freedom of being able to watch your favourite TV channel on any of your devices – even when away.

Switching Huawei E3131 Hilink to modem mode

Latest Huawei 3G/4G modems come with firmware that implements a feature Huawei calls “HiLink“, transforming the classical PPP dial-up connection to an always-on wireless broadband. This feature is highly useful on Windows operating systems, but will add an extra level of complexity to using the modem on Linux or in …

Samsung Galaxy S III I9300 digitizer/screen replacement

Did you drop your Samsung Galaxy S3 i9300 and crack, smash or shatter your front glass, touch screen and/or LCD? No worries. With the proper tools, the spare parts and a bucket load of patience you will have your phone looking “like new” in no time.

Automatically restart Webmin/Virtualmin in case of failure

Running out of memory sometimes happens on swap-less VPSes, and it seems Webmin (together with its twin, Virtualmin) are among the first processes to die in out-of-memory cases.

Setting up a little script to check for and restart Webmin if it is no longer running is a pretty simple (workaround) solution – but should never replace the proper procedure of adjusting the settings or upgrading the VPS to avoid running out of memory in the future.

Directory listing failed in FileZilla with ProFTPd on Virtualmin

Everything appears normal in the FTP server’s log:
fr01-srv proftpd[5591]: 192.168.0.1 – USER testuser: Login successful.

However, in Filezilla things are different:
Error: Connection timed out after 20 seconds of inactivity Error: Failed to retrieve directory listing

Obtaining administrator access on Huawei HG8247H

My ISP upgraded my connection from VDSL to fiber and gave me new hardware to go with it – the Huawei HG8247H GPON. However, as I am already using a fully configured DDWRT-ed router for all my networking tasks, I needed to turn the Huawei into a media converter and pass the static IP to my second router – not the easiest task as it appears.

The Huawei my ISP uses comes with manufacturer firmware and blank configuration so the default logins of still work, but as soon as its WAN gets connected it grabs the configuration from the ISP and the administrator login changes.