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Dedicated Killing Floor 2 Server on Linux

BIG FAT WARNING This tutorial is deprecated. Please use the revised guide. This one is only here for historical reference. Prelude This article will guide you through setting up a proper KF2 server on Linux (CentOS) step-by-step. What we’re going to do here is: fire up a CentOS server with firewall, Security-Enhanced Linux and hardened […]

CentOS 7 done right on Linode

Linode Account Sign up to Linode. You’ll have to top up your account with at least $5 and your account will be manually reviewed, too. To me it took around 40 minutes, so it’s a good opportunity to set up our SSH keys till then. SSH Keypair In layman’s terms, key-based authentication is a bunch […]

SELinux woes with Tomcat on CentOS 7.4

Update: make sure to check out the relevant post for CentOS 7.6, too! Preamble After the SELinux Crash Course it’s time to put that knowledge to good use. Keep that article open coz I’ll reference it continuously. If you haven’t read that one yet, make sure you do before proceeding here. It’s totally to-the-point, I […]

SELinux Crash Course

Let’s start by stating I’m by no means an SELinux expert, but after the CentOS 7.4 upgrade hurdle I sure am more informed than I was with 7.3. So SELinux is a security mechanism that has a bunch of policies to allow stuff to happen. Anything not included in those policies will be blocked from […]

Fixing the EFI bootloader on CentOS 7

I’m told that Grub has been rebuilt and Shim has been re-signed with 7.4 so that might be the cause, but to me this is what a new VM looks like after being copied from the template disk: For the googlers: Failed to open \EFI\BOOT\grubx64.efi – Not Found Failed to load image \EFI\BOOT\grubx64.efi: Not Found […]

Let’s Encrypt now available via EPEL

That’s right folks, the Let’s Encrypt client has just been committed to EPEL! Now all you have to do on EL-based distros: yum update yum install letsencrypt letsencrypt certonly -d foo.bar -d www.foo.bar No more git clone, no more GCC, kernel headers, virtualenv and pip for letsencrypt-auto, it simply just works. The certs will be […]

Redmine 3 on CentOS 7

Now that Redmine 3 has been released, it’s time to upgrade, right? Remember installing Redmine 2 on CentOS 7? The good news is that the procedure remains almost identical. You only need to make 2 adjustments. The first thing is that Redmine 3 adds a few new gems which in turn also add a few […]

Gitblit on CentOS 7

Preamble If you need a reliable yet versatile Git server, Gitblit is for you. It’s super easy to setup, to upgrade, to migrate, to customize, to modify. It uses JGit so your server doesn’t even have to have Git installed. The configuration file’s options are well documented. It has LDAP authentication built-in. It provides you […]

Redmine on CentOS 7

NOTE: This tutorial is for Redmine 2. For Redmine 3, make sure to read Redmine 3 on CentOS 7 as well. Preamble This is a supplementary blogpost for my previous post, Installing, Migrating & Upgrading Redmine with LDAP on Ubuntu. I’m not going to cover the migration, upgrade, authentication, etc. parts again coz they’re almost […]