Julio's Blog


Upgrading to Fedora 24.

In today post I will show you how to upgrade to Fedora 24 from Fedora 23. The first thing that we are going to check the current version of Fedora and also apply any patches to the system: [email protected]:[~]#cat /etc/redhat-release Fedora release 23 (Twenty Three) [email protected]:[~]#dnf update -y After this we will refresh the system: [email protected]:[~]# dnf upgrade --refresh RPM Fusion for Fedora 23 - Free - Updates 13 kB/s | 1.3 kB 00:00 RPM Fusion for Fedora 23 - Nonfree - Updates 11 kB/s | 1.3 kB 00:00 Open source multiplatform video transcoder 239 kB/... read more »


Installing and configuring CSF on CentOS 7.

I have been using CSF (ConfigServer Security and Firewall) in my Linux systems for a while now with great results. CSF is more than a Firewall software, it is also an SPI (Stateful Packet Inspection), LID (Login/Intrusion Detection), and an Application Security software. But the best part of CSF is not how powerful and reliable it is but how easy is to install, configure and use. In this post, I will show how to install and do some basic configuration of CSF on CentOS 7. Disable default Firewall The first step will be to disable firewalld on your system. To do this: [[email protected] ~]# systemctl... read more »


Installing Go (GoLang) on CentOS 7.

In this post, I will show how to install the Go programming language (GoLang) on CentOS 7. This procedure is quite simple and requires only a few commands. Install the packages: [[email protected] ~]# yum install golang golang-godoc golang-vet golang-src golang-pkg-linux-amd64 -y After this we check that the go command could be call and is working: [[email protected] ~]# go version go version go1.4.2 linux/amd64 Hello world! on Go: Now we will try to compile and verified Go, to do this we will create a file, name it hello.go and put a sample "hello world" program on it. To do this: [[email protected] ~]# cat... read more »