'linux' Category

  • current backup regime

    July 23, 2015

    my home setup: all linux boxes (and VMs) go to a 4TB Netgear NAS over SMB using CrashPlan’s free version (encrypted and incremental. might do a wee piece on that soon). NAS to 2TB external USB twice a month (this is drive is stored remotely the rest of the time). i realise that my data […]

  • black screen google maps street view using linux?

    July 1, 2015

    well do you have black screen when using google maps street view using linux? tried various browsers? me too. the answer seems to be to force your browser to use WebGL instead. if you use this link it should work for you.

  • minecraft – unable to authenticate when playing online – linux

    June 30, 2015

    linux. i just installed mate ubuntu 15.10 alpha. went to play on my minecraft server after installing openjdk 8. whenever i clicked on the server and selected join it threw an error something along the lines of ‘failed to login the authentication are currently down for maintenance’. the mojang status page maintained that everything was […]

  • securing SSH in 3 easy steps

    April 14, 2015

    if you don’t want to mess about with keys there are three things you can easily do to secure SSH. firstly, always, disallow root logins. in /etc/ssh/sshd_config you should have something like this # Authentication: LoginGraceTime 120 #PermitRootLogin without-password PermitRootLogin no StrictModes yes secondly install fail2ban. out of the box it’ll have a decent configuration […]

  • errors with tor relay on centos 7

    March 23, 2015

    recently spun up a centos 7 VPS to run a tor relay when issuing service tor start i got errors along the lines of Starting tor (via systemctl): Warning: Unit file of tor.service changed on disk, ‘systemctl daemon-reload’ recommended. digging deeper with systemctl status tor.service -l showed tor.service – SYSV: Onion Router – A low-latency […]

  • a day in the life of an NTP server

    January 23, 2015

    as mentioned elsewhere on this blog i run a few NTP servers. this one is in Singapore. a day in the life…

  • munin client denied by server configuration

    January 21, 2015

    after issuing a ln -s /var/cache/munin/www i was still getting a 403 error when attempting to access the stats page of munin and apache’s logs were showing ‘client denied by server configuration’. in debian add the following to apache.conf in /etc/apache2 <Directory /var/cache/munin/www> Order allow,deny Require all granted </Directory> service apache2 restart

  • permanently ban an IP with fail2ban

    January 14, 2015

    it’s easy to permanently ban an IP with fail2ban though it might not seem that way at first. the jail you’re configuring (often SSH) should contain lines a bit like this: bantime = 600 findtime = 600 maxretry = 3 the trick is to put a minus sign before the bantime seconds. so if you […]

 
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