Skip to content


Category Archives: servers

  1. Avoiding “$f2bV_matches” in fail2ban reports to AbuseIPDB March 1, 2024

    Posted in servers, web filtering.

    rev="post-4719" No comments
  2. Setting up an OpenVPN server on Linux: notes and comments December 30, 2023

    Posted in Internet, servers.

    rev="post-4694" No comments
  3. How to set up an OpenVPN server on Linux December 24, 2023

    Posted in Internet, privacy, servers.

    rev="post-4693" No comments
  4. Unbanning an IP from fail2ban October 3, 2022

    Posted in Linux, servers.

    rev="post-4654" No comments
  5. vsftpd quick installation cheat sheet March 26, 2021

    Posted in FTP, servers.

    rev="post-4580" No comments
  6. Linux bash script to update and start multiple MJ12node crawlers February 14, 2020

    Posted in servers, software.

    rev="post-4592" No comments
  7. Renewing the Thecus N7510’s TLS certificate March 14, 2019

    Posted in FTP, security, servers.

    rev="post-4504" 3 comments
  8. Buffing your Apache HTTPS configuration March 4, 2019

    Posted in security, servers, web development.

    rev="post-4502" No comments
  9. Getting Collabora Online to work in Nextcloud October 12, 2018

    Posted in LibreOffice & OpenOffice, servers, software.

    rev="post-4459" No comments
  10. Fixing letsencrypt’s “expected xxx.pem to be a symlink” September 25, 2018

    Posted in security, servers, web development.

    rev="post-4473" 8 comments
  11. How to enable IPv6 on Ubuntu Server 18.04 July 29, 2018

    Posted in servers.

    rev="post-4452" No comments
  12. How to install MJ12node (the Majestic-12 distributed crawler) on Ubuntu 17.10 / 18.04 July 2, 2018

    Posted in servers, software.

    rev="post-4437" 1 comment
  13. How to hide processes from other users in Linux’s “top” February 27, 2018

    Posted in Linux, servers.

    rev="post-4404" No comments
  14. Manually reassigning bad blocks on Linux October 21, 2016

    Posted in Linux, servers.

    rev="post-4276" No comments
  15. How to set up link aggregation on ThecusOS August 12, 2016

    Posted in servers.

    rev="post-4259" No comments
  16. Going HTTPS (finally) with Let’s Encrypt April 10, 2016

    Posted in security, servers, web development.

    rev="post-4240" No comments
  17. Apache 2.4: solving AH00125 (Request exceeded the limit of 10 subrequest…) November 3, 2015

    Posted in servers.

    rev="post-4192" No comments
  18. How to avoid landing (too much) in spam folder when using Postfix: customize your hostname June 11, 2014

    Posted in Linux, postfix, servers.

    rev="post-4069" No comments
  19. How to install MJ12node (the Majestic-12 distributed crawler) on Debian 7 x64 December 22, 2013

    Posted in servers, software.

    rev="post-4012" No comments
  20. Tips to fixing a broken RAID 1 December 20, 2013

    Posted in hardware, Linux, servers.

    rev="post-4000" No comments
  21. How to duplicate a complete folder with subfolders over SSH using command line only (SCP) October 10, 2013

    Posted in FTP, Linux, servers.

    rev="post-3981" No comments
  22. Fault tree analysis of the September 19 downtime October 7, 2013

    Posted in security, servers.

    rev="post-3977" No comments
  23. Solving “locale: Cannot set XXX to default locale: No such file or directory” in Debian 7 September 24, 2013

    Posted in Linux, servers.

    rev="post-3969" No comments
  24. A few configuration tips for OpenSSH July 30, 2013

    Posted in Linux, servers.

    rev="post-3930" No comments
  25. Choosing the right order for SSLCipherSuite July 29, 2013

    Posted in servers, web development.

    rev="post-3928" No comments