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IP address block/unblock via Cloudflare’

Cloudflare has upgraded their API to version 4 some while ago. https://api.cloudflare.com/#user-level-firewall-access-rule-properties I want to use the new APIs to block IP addresses using fail2ban. Using curl directly is a bit cumbersome, so I created a few php helper scripts. They can also be used in other projects. Thanks to andrieslouw at github https://gist.github.com/andrieslouw/3c833332cbf66f95ca6751f82013acf5 I didn’t […]

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nfsidmap segfault

Recently I have seen an Ubuntu 16.04 server producing segfaults errors in kern.log and dmesg. It was traced to a process calls nfsidmap May 22 03:36:56 penguinoserver1 kernel: [241227.277964] nfsidmap[28966]: segfault at 0 ip 00007f2471ff6ad3 sp 00007ffc480fa048 error 4 in libc-2.23.so[7f2471f6d000+1c0000] May 22 03:36:56 penguinoserver1 kernel: [241228.117058] nfsidmap[28970]: segfault at 0 ip 00007f044aa31ad3 sp 00007fff80f0a998 […]

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Installing TrueCrypt on Ubuntu 8.10

Installing TrueCrypt on Ubuntu 8.10

Still being an Ubuntu newbie and learning, today I was looking  for instructions to install the latest version of truecrypt.  http://www.truecrypt.org    I mentioned in my previous blogpost that I installed Ubuntu 8.10 on my Dell Mini 9.    This is a guide for beginners such as myself so please forgive me for being long-winded.  In order to […]

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