Choosing the password is only the first step; you have got to remember it. You can not remember 100s of password at a time. However, with the help of a password manager, you can organize passwords, host names, and PIN codes.
Like most of you, I love using Firefox and explaining the advantages of Firefox to others who use other browsers. Unlike other browsers, Firefox has huge list of excellent add-ons that will satisfy almost all of your requirements in using a browser. Following are the list of 7 powerful Firefox password related add-ons that will make your life in managing passwords very safe, secure and easy under Mac OS X, Linux / UNIX and Windows operating system.
I’ve already written about tentakel tool and shell script hack to run a single command on multiple Linux / UNIX / BSD server. This is useful to save time and run UNIX commands on multiple machines. Linux.com has published an article about a new tool called pssh:
If you want to increase your productivity with SSH, you can try a tool that lets you run commands on more than one remote machine at the same time. Parallel ssh, Cluster SSH, and ClusterIt let you specify commands in a single terminal window and send them to a collection of remote machines where they can be executed.
Intelligent Platform Management Interface (IPMI) is a hardware level interface specification that defines a common, abstracted, message-based interface to platform monitoring and control functions. Both IPMI and KVM over IP can be used in emergency situations.
KDE 4 has been released. I’ve received couple of questions about installing KDE 4 under Ubuntu Linux 7.10. KDE 4 Packages are available for Ubuntu Linux version 7.10 (Gutsy) and from development Ubuntu Linux Hardy version. They install to /usr/lib/kde4 and can be installed alongside your existing KDE 3. However these packages are not compatible [...]
One of our regular reader asks: I’d like to discover information about who is currently using the system. When a user logs in what files are updated in UNIX / Linux? Linux / UNIX have utmp and wtmp files to keep login records. Following three files keeps track of all logins and logouts to the [...]
There are two ways to allow / restrict system login to specific user groups only. The simplest method is to use a PAM module called pam_listfile.so. Another option is to use login access control table. Locking down system login access is very important task if you need a secure system. The system administrator is free [...]
Generally service such as ssh, screen, expect, telnet etc use pty (pseudo-terminals) in master – slave mode for login and other purposes. If pty setting is too low many users will not able to login to system using ssh or other commands. In this tip I will explain how to increase the maximum number of [...]