I make the assumption that you’re running PHP 5.3 (the currently newest PHP version officially available in CentOS 6) or perhaps PHP 5.4.
The switch can, theoretically, be done on live system – just prepare yourself for a bit of hiccups here and there (or perhaps even serious downtime).
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.
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 …
Ubuntu (and its derivatives – Xubuntu, Lubuntu, Kubuntu) normally come with hibernation disabled by default, mostly due to possible hardware compatibility issues.
Re-enabling it is not a simple thing to do, despite logic dictating the opposite. Start by testing out whether or not your system is capable of hibernation…
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.
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
This is a very short helping tutorial explaining how to get gammu working with an USB 3G modem (in my case a Huawei K3565) in CentOS to later use in sending out alert messages for critical events.
