04 Jul 2018
5 minutes read
What Hardware Virtualization Really Means
Many of us have heard about hardware virtualization, but as far as I can see there is still a lot of confusion around …
centos
22 May 2018
2 minutes read
How To: Show Modules Loaded by Apache
Just a quick tip today, should help all of you who are setting up their very first Linux/Apache/PHP/MySQL (LAMP) …
27 Nov 2014
2 minutes read
How To: Confirm Which Ports Are Open on Your Linux System
If you wish to see which ports are open on your Linux system, perhaps to check your configuration, you can use the nmap …
26 Nov 2014
2 minutes read
How To: Patch Bash Against Shellshock
Since you’re reading this you’re probably already aware of what Shellshock is; a number of vulnerabilities …
05 Sep 2014
1 minutes read
Keep Iptables Rules After Reboot
The iptables command on Linux allows setting the rules for the Linux built-in firewall to follow when filtering packets …
03 Sep 2014
2 minutes read
How to Use Dpkg to Compare Two Linux Servers
While we mainly install, remove, update and otherwise manage software on Debian and Ubuntu based systems using apt-get, …
20 May 2014
2 minutes read
How-To: Ubuntu - Enable SSH
Secure Shell (SSH) allows secure communication between networked computers for such purposes as logging in to a remote …
01 Aug 2012
1 minutes read
FB4 Are You a CentOS User? Will You Switch to Oracle Linux?Are You a CentOS User? Will You Switch to Oracle Linux?
Have recently found out that Oracle Linux is now completely free to get and to use, meaning that you’ll only have …
28 Feb 2012
1 minutes read
FB4 How To: Use Yum Behind ProxyHow To: Use Yum Behind Proxy
I’ve got a few RedHat and CentOS VMs running on internal network of my server, and since updating them quite …
24 Jan 2012
3 minutes read
Passwordless SSH With Encrypted Homedir in Ubuntu
Quite recently I came across a very interesting issue: while configuring passwordless SSH (it’s public key based, …
Recommended
I learn with Educative:
Video: What Browser Do You Use?
Another fairly recent video on my YouTube channel: …
macOS Sonoma 14.0
Apple just released new version of macOS, …
Homelab: Mac Pro 2013 32GB
Did I mention that I have recently purchased the …
Video: Has This Worked Before?
Another video on my YouTube channel …
macOS Sequoia 15.0
Apple keeps shipping public betas of macOS Sequoia …
How-To: Upgrade Ubuntu 23.04 to 24.10
I reliased one of my Raspberry Pi systems was …
Inspect filesystem operations with fs_usage in macOS
hey Unless you disable SIP, most of DTrace based …