Fail2ban is an intrusion prevention framework written in the Python programming language. Fail2Ban is a limited intrusion detection/prevention system. It works by scanning log files and then taking action based on the entries in those logs. Generally Fail2Ban then used Continue reading
logrotate is designed to ease administration of systems that generate large numbers of log files. It allows automatic rotation, compression, removal, and mailing of log files. Each log file may be handled daily, weekly, monthly, or when it grows too Continue reading
Today I needed to relay/forward all Email from one Server (Server A) to another Server (Server B). Server A is running Qmail (on CentOS). Server B is running company smartermail. After googling and searching, I found a site teaches “forwarding Continue reading
Network time protocol (NTP), NTP lets you automatically sync your system time with a remote server. Setting up an NTP server to regularly adjust your machine’s clock is pretty easy by default. And its useful when your machine battery turns Continue reading
Fedora 18, Spherical Cow, is here. Finally. The Fedora Project has never been one for precision roadmaps, but previously it has managed to stay pretty close to its official May and October release schedule. Spherical Cow, however, proved to be Continue reading
Using Fedora 17 with Gnome 3 on a laptop. However, I noticed that after an uptime of a few days, the screen doesn’t lock anymore. Neither the shortcut ‘Ctrl+Alt+L’, nor the terminal command ‘gnome-screensaver-command –lock’ seem to work. I have Continue reading
This happened after hibernating fedora 17. When booting you are getting the following warning and your computer expects you to do manual things before it continues to boot: _Fedora_17-x86:UNEXPECTED INCONSISTENCY; RUN fsck MANUALLY. (i.e., without -a or -p options) dracut Continue reading
When you are using Fedora 17 and your wifi keep getting disconnected. But when you are using Ubuntu your wifi seems to be connected permanently. Why does this happens? Recently, support for these Broadcom wireless cards in Linux was poor, Continue reading
Does your server or computer keep diagnosing X server? It got stuck on to it and Xserver refuses to start and gives me the error message: Fatal server error: could not open default font ‘fixed’ When reporting a problem related Continue reading
I had been upgrading my laptop fedora into fedora core 17. I’m using preupgrade to do the work. I’ve been using preupgrade since fedora core 14. But in the process i encounter some error which you may neither say its Continue reading