run the following command to know your current run level:
# who -r
run-level 2 2013-12-20 00:39
if you want to get your operating system relase you have 2 ways to do that:
First: you can run the following command:
# lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu 13.04 Release: 13.04 Codename: raring
if you need to see FTP users log, and what they do on your system, just do the following commands ( this article doesn’t useful for past commands, it will be useful to get commands in the future after you do these steps):
when you login to the system you get a welcome message which contain information about “Last unsuccessful login” , “Last login” and System Information.
if you need to disable this message, just run the following command :
to list the Major number for Specific Volume Group, use the following Command :
“lvgenmajor VOLUME_GROUP_NAME”
for example :
# lvgenmajor rootvg 10
and the following link show how to display the available Major Numbers:
Hello Everone,
do you think about terminal mirroring ??
do you think about how to know what the other users write on Shells???
AIX has a great commands you can use it for mirroring to see what others write or if you want to teach multi students and they can see on your terminal.
some times you transfer files from windows to Linux or UNIX using binary method, you will find some hidden characters on the file, to display these hidden character use commands “cat” with option “vte” see the following examples:
Hello Everybody,
i bring on the below line some description for system users and for what they used :
Description of accounts
Hello Everybody,
suppose that i have 2 systems Linux1 & Linux2 and on each server i have user test1 on Linux1 and test2 on Linux2.
now, i want to make user test1 on Linux1 access server Linux2 on user test2 without password.
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