Linux and Unix tutorials for new and seasoned sysadmin
Linux and Unix tutorials for new and seasoned sysadmin
I‘m a new Linux sys admin and I’m unable to find the command to list all users on my RHEL server. What is the command to list users under Linux operating systems?
Software RAM disks use the normal RAM in main memory as if it were a partition on a hard drive rather than actually accessing the data bus normally used for secondary storage such as hard disk. How do I create and store a web cache on a RAM disk to improve the speed of loading pages under Linux operating systems?
While going though my logs I found that BIND9 on Debian version 5.x is giving a warning which read as follows:
max open files (1024) is smaller than max sockets (4096)
How do I fix this problem?
Q. I get a large amount of bin files in the MySQL data directory called “server-bin.n” or mysql-bin.00000n, where n is a number that increments. What is MySQL Binary Log? How do I stop these files being created?
Q. I see following message in my logs files:
Linux bnx2: eth1: No interrupt was generated using MSI, switching to INTx mode
My server hangs occasionally after rebooting with above message in /var/log/message. How do I get rid of this problem under CentOS Linux / RHEL version 4.x?
How do I log POST data submitted by our user registration form to a log file under Debian Linux Apache 2 Web Server?