My CISCO Journal

user accounts management via LDAP like we can get account info from remote server on which accounts are configured ldaps://<ip of our ldap server> Basic file permissions: Owner, Group, Others OGO rwx-r-x---x umask , default file permissions One very handy command is lsattr....

Some notes from my study sessions. Below notes describe the procedure to Configure, compile and install Linux Kernel ( this process is also called building Linux Kernel) download the new kernel source from the redhatmake mrproper : execute a script make file .config file, in usr/linux-2.4take .config file and save it somewhere elsemake mrproper...

Monolithic and modular kernal updatesource rpm and binary rpm ( for our basic needs binary rpms are great, source rpms are good if we want to tinker with the system changes) smp : symetric multiprocessor Kernal update and installationwe need to go to the redhad website, to download the kernel, once the kernel is downloadedcat /proc/cpuinfomd5sum...

Suppose, if you have forgotten your linux root password. You seems to be in a little trouble, but dont worry, use below steps to recover your linux password with a few clicks: 1. During boot, highlight the installation for which you want to change the root password. Once the installation...

Different protocols consume different amount of bandwidth. In most of the cases the bandwidth consumed by VoIP codec is not that much, the extra burden is caused by different protocol headers. VoIP bandwidth calculation and planning is one of the most important part in designing a VoIP Network. To make this task easy, i cam across a very interesting...

Some Random notes, that are still very useful :)  ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ EIGRP = Enhance Interior Gateway Routing Protocol Ok, what are the most common words that I hear about EIGRP? Neighbor table, Topology table, Routing table, successor (primary route), feasible successor(secondary route),...

Today I want to share a very useful technique with you, which I learned during my University times. Most of the time, when we read some new technical stuff, we are not able to understand it in the first go. Suppose if you are reading some great article in Scientific American or...

It's really amazing, how technology improves with the passage of time. It seems Moors law will be in action for a long time to come. The things are improving very fast from a processing perspective as well as improvements in design. Have you ever imagined how did the first packet...

Cisco IOS devices support a number of banners that are presented to users when they use the console line or when they connect remotely using telnet or SSH. They are often used to inform users about their legal rights. It might be a good idea to present a banner to users who are trying to connect to your device, here are some items you might want to...

I came across this interesting snapshot while studying some Linux slides. This snapshot contains the best advice anyone can give to you! CSE 265: System and Network Administration ©2004-2012 Brian D. Davi...