I am using Conky as a system info which is directly embedded into my Linux desktop background. The rich configuration options and flexibility allows various data to be displayed in fully configurable format adding extra blink to the desktop wallpaper. Continue reading
This are methods you can use to measure the Internet bandwidth, speed, delay etc.. in Linux terminal: Continue reading
VMware network time synchronization: A walkthrough To configure NTP synchronization, select the host, and on the Configuration tab, select Time Configuration under Software. You’ll now see the existing time synchronization status on that host. Next, click Properties. This selection shows the Time Configuration screen, where you can see the current time on the host. Make sure it’s not too different from the actual time, because a host that’s more than 1,000 seconds is considered “insane” and won’t synchronize. Continue reading
Hi. It’s pretty funny talking about Windows and routing :0, however I need to document how to change a route metric when my Internet is from wireless network but LAN cab;e interface has just been configured by DHCP. In Windows always a network cable connection takes higher priority therefore that interface is assigned with lower metric therefore is used as a default gateway. But this is not always what we need. Please follow this step by step guide to assign a wireless interface as the default ip gateway. Continue reading
Linux console port serial connection it is very handy way of managing Cisco switches and routers. This is especially useful when you are connecting using older laptop with COM port. Please follow step-by-spe guide to configure Cisco Serial Console Connection in Linux: Continue reading
Switch#dir Directory of flash:/ 509 -rwx 2301 Mar 1 1993 00:24:41 +00:00 config.text 510 -rwx 24 Mar 1 1993 00:24:41 +00:00 private-config.text 511 -rwx 2072 Mar 1 1993 00:24:41 +00:00 multiple-fs 512 -rwx 3584 Mar 1 1993 00:38:49 +00:00 tftp 2 drwx 512 Mar 1 1993 00:15:19 +00:00 c3750-ipbasek9-mz.122-55.SE7
The command below creates new archive saved.tar including all files and directories in c3750-ipbasek9-mz.122-55.SE7 directory and saves the TAR archive on tftp server.
Switch#archive tar /create tftp://192.168.173.1/saved.tar c3750-ipbasek9-mz.122-55.SE7
Some IT technician words can make confuse and provide misunderstanding therefore please read the list below to be familiar with these expressions:
- Adware – if you have this type of programme loaded onto your computer, you will start getting pop-ups even when you’re not online! If you click on the pop-up it will take you to a specific web site where you will be encouraged to enter your credit card details. Typically these are scames, so our advice is to never buy anything using pop-ups that just appear on your screen.
Recently I noticed that a manual man() page for vmrun utility in Linux doesn’t exist. Instead of that Vmware decided add the help when you run vmrun command without any parameters. Therefore for a reference purposes the output is shown below it has been captured under xbuntu 9.10 and vmware server 2.0.2. Continue reading
A few keyboard short-cuts to use working in Linux terminal either in a text mode or desktop X session:
- [Ctrl] + [Alt] + [Fn] = it switches screens.
[Ctrl]+[Alt] + [F1] through [F6] are text-mode shell prompt screens and [F7] is the graphical desktop screen.
- [Ctrl] + [Alt] + [Delete] = When is used in graphic desktop session it shuts down Cent OS, Red Hat and should work similar with any other Linux distribution. To use only when the normal shutdown procedure does not work, this short-cut will display the desktop logout screen that allow you to logout, reboot, or shut down.
IP is the most commonly used communication protocol suite in Internet. Most of us know that this 32bit IP address range has been divided on public and private addresses – what we have at home (private) and what is reachable on Internet (public). But underneath there are more IP pools and not everyone knows that in the IP world there are special address ranges used to cover extra tasks and services provided for us like stream video, routing updates and time updates.
During the exhaustion 32bit ver4 IP pool have changed and the modern division approved by Cisco and Internet Organisations (IEEE and IANA) is the current standard shown below. Continue reading