blackonsole - Page 33 of 49 - Linux System Administrator Journey

:: increase semaphores

:: How to check semaphores

ipcs -a

------ Shared Memory Segments --------
key        shmid  ...
                
                    
                        
                            
                        
                        
                            Sysadmin.ID
 
                            Oct 22, 2011
                            
                            22 sec read

:: sudo: no tty present

:: Error sudo: no tty present and no askpass program specified :: How to fix sudo error

Sysadmin.ID
Oct 20, 2011 9 sec read

:: Disable Welcome Test Apache on CentOS

:: How to disable welcome test page apache on Linux CentOS + editing wecome.conf

vi /etc/httpd/conf.d/welcome.conf

Sysadmin.ID
Oct 17, 2011 17 sec read

:: No irq handler for vector

:: Kernel error if you get kenel error on your CentOS Linux like:

kernel:do_IRQ: 1.92 No irq handler for vector (irq -1)

Sysadmin.ID
Oct 4, 2011 31 sec read

:: AutoLogin User on Centos 6

:: Issue If you want username on your linux centos if you want the user to automatically login without having to enter usernames...

Sysadmin.ID
Oct 4, 2011 12 sec read