20 Jan 2019
1 minutes read
FB4 How To: Confirm Current Kernel Boot Command in LinuxHow To: Confirm Current Kernel Boot Command in Linux
For those of you using GRUB boot loader, there’s a very cool way of confirming what boot parameters your boot …
Advanced topics
15 Jan 2019
1 minutes read
FB4 Pcs STONITHPcs STONITH
If you’ve never setup a cluster in RedHat/CentOS using pcs – I strongly suggest you give it a try! Lots of fun!
06 Jan 2019
4 minutes read
FB4 How to Use 7zipHow to Use 7zip
7zip is a powerful open-source archiver – software package for packing and unpacking files and directories into …
11 Mar 2016
1 minutes read
FB4 Multiple OpenVPN Clients Sharing the Same CertificateMultiple OpenVPN Clients Sharing the Same Certificate
Traditionally I’ve been configuring OpenVPN in a scenario where each client would have a unique certificate. This …
03 Dec 2014
3 minutes read
FB4 How To: Change Passphrase for SSH Private KeyHow To: Change Passphrase for SSH Private Key
If you need to change or add a passphrase to your existing SSH private key just use ssh-keygen, the same tool which …
28 Nov 2014
2 minutes read
FB4 Using Md5deep for Comparing Directories in UnixUsing Md5deep for Comparing Directories in Unix
You can compare the contents of two directories by their md5 hashes, which could be useful when you want to make sure …
25 Nov 2014
2 minutes read
FB4 How to Check if Your System Is Vulnerable to ShellshockHow to Check if Your System Is Vulnerable to Shellshock
Shellshock refers to a set of vulnerabilities discovered in late summer 2014 that affects Bash (Bourne again shell), a …
12 Oct 2012
2 minutes read
FB4 3 Ways to List Groups for a User in Linux3 Ways to List Groups for a User in Linux
Okay, today’s post will be the back-to-basics style, but to make it more interesting I’ve come up with as …
02 Oct 2012
1 minutes read
FB4 Puppet 3.0.0 Is HerePuppet 3.0.0 Is Here
As some of you may have noticed already, Puppet configuration management system has just been upgraded to 3.0.0 release. …
29 Apr 2012
6 minutes read
FB4 Using Dropbox With UnixUsing Dropbox With Unix
Although last week saw some pretty exciting developments in the cloud storage (Google Drive announcement and SkyDrive …
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