How to fix excessive CPU usage by process tumblerd on XFCE desktop in Linux

Noticed that each time I added or downloaded a file, it resulted in excessive use of the CPU. This happens on XFCE desktop in Linux. Looking up the process list, found that tumblerd was utilizing up to 86% of the CPU and leading all other applications and processes to be very slow. Tumbler is used . . . → Read More: How to fix excessive CPU usage by process tumblerd on XFCE desktop in Linux

Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

I applied the Chaos Calmer OpenWRT firmware upgrade on the TP Link WDR4300 router. Very important to note that if you already use OpenWRT on the router, install the sysupgrade and not the factory binary firmware file. Use factory only when upgrading from the factory TP Link firmware.

For first time install use this file . . . → Read More: Unable to log into LuCi web interface after upgrading OpenWRT from barrier-breaker to chaos-calmer

Best free cloud storage service for data with Linux support

If you want good storage with great synchronization support for Linux, you can try any of the following cloud storage services for your data:

Dropbox (2 GB free) Copy.com (15 GB free) mega.co.nz (50 GB free) SpiderOak (2 GB free)

The above 3 are very popular and have Linux Synchronization clients that make it easy . . . → Read More: Best free cloud storage service for data with Linux support

Enable, start, stop or disable services in Ubuntu

Enter the commands shown in italics in a terminal window to:

List all services running: $ sudo service <service> –status-all <enter>

Disable a service from startup: $ sudo sudo service <service> disable <enter>

Stop a service: $ sudo service <service> stop <enter>

Start a service: $ sudo service <service> start <enter>

. . . → Read More: Enable, start, stop or disable services in Ubuntu

Manage services in Ubuntu using GUI – bum

You can manage Ubuntu services using a GUI tool called the Boot-Up Manager (bum). Open a terminal window and enter the following commands.

$ sudo apt-get install bum <enter> $ sudo bum <enter>

List all services running in Ubuntu

Open a terminal window and enter the command shown below to list all the services running on your Ubuntu computer.

$ sudo initctl list | sort <enter>

Firewall Builder iptables compile error – failed to start program

Following error was reported when compiling the Firewall Builder rulesets for iptables. Compiling rule sets for firewall: xx1firewall fwb_ipt -v -f /home/user/xx1firewall.fwb -d /home/user -o /home/user/xx1firewall.fw -i id8922X6568 Error: Failed to start program fwb_ipt Last error: The process failed to start Current state of QProcess: The process is not running.

To resolve this error, install . . . → Read More: Firewall Builder iptables compile error – failed to start program

Remove the pain from firewall rules building – Firewall Builder

If you are new to firewalls and want an easy way to build the rules for your devices, you can use Firewall Builder. It can be installed on Linux, Windows and other platforms. You can download it from http://www.fwbuilder.org.

The key feature is an easy to use GUI-based firewall rules system. Firewall Builder can also . . . → Read More: Remove the pain from firewall rules building – Firewall Builder

Things to do after Fedora Linux install

So you have now upgraded to the latest Fedora Linux Operating System? Congratulations. You will now need to learn how to use the Gnome 3 desktop environment and also customize your desktop and install additional software. Below is a list of things you can do after you have install Fedora 16 on your computer.

Improve . . . → Read More: Things to do after Fedora Linux install

Enable services on Fedora 16 using systemctl

To enable a service to start up after you reboot the Fedora 16 system: # systemctl enable sendmail.service <enter>

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