command cat HowTo - Linux / Unix Q & A from nixCraft

Linux / Unix Command To Find Out NFS Clients Connected To My NFS Server

last updated May 4, 2012 in UNIX

How do I find out how many nfs clients are connected to NFS server running on Red Hat Enterprise Linux?

Linux / Unix cat Command Examples

last updated January 5, 2018 in Commands, Linux, UNIX

I am a new Linux and Unix system user. How do I use cat command on Linux or Unix-like operating systems? Can you provide basic examples and syntax usage for cat command?

Linux Find Out GNU gcc Compiler Version Used To Compile Running Kernel

last updated December 11, 2017 in Linux

I have multiple version of gcc installed on my Linux based system as follows:

ls -l /usr/bin/gcc*
lrwxrwxrwx 1 root root 7 Jan 11 05:20 /usr/bin/gcc -> gcc-4.4
-rwxr-xr-x 1 root root 239528 Sep 21 2010 /usr/bin/gcc-4.3
-rwxr-xr-x 1 root root 255536 Nov 15 2010 /usr/bin/gcc-4.4

I need to build a nvidia device driver using the same version of GNU compiler as was used to compile the currently running kernel. How do I find out the version of my GNU gcc compiler that was used by upstream Linux distribution to compile and pack my binary Linux kernel?

How To Find Out RHEL 6 / CentOS 6 Kernel Version

last updated January 3, 2019 in CentOS, Linux, RedHat and Friends

How do I find out my RHEL (Red Hat Enterprise Linux) 6 Linux kernel version number running on HP server? How can I get RHEL 6 kernel version? How do you find out a CentOS 6 kernel version using the CLI?

Faillog in Linux: Display Records of Login Failure

last updated April 26, 2011 in Linux

I‘m running RHEL on HP server. This server allows to login to reset of the LAN from the Internet. How do I find out failed login records under Linux operating systems?

Show Linux Partitions Command

last updated February 9, 2011 in Linux

How do I display or show a list of all hard disk drive partitions under Linux operating systems?

Linux Command: Show Linux Version

last updated November 26, 2018 in BASH Shell, Commands, Linux

What command I need to type to display Linux kernel version and other information such as Linux distribution name? How do I check Linux kernel version number?