am trying to delete a user named vivek using the userdel command as follows
userdel -r vivek
userdel: user vivek is currently used by process 749
How do I fix this problem and delete username vivek on a Debian Linux 9.x server?
want to find out how many times a word (say foo or an IP address) occurs in a text file using the grep command
on Linux or Unix-like system?
am getting an error that read as “The proxy server is refusing connections.” I am using Squid 3 with Ubuntu Linux 16.04 LTS server and how can I find out why my squid proxy server died unexpectedly?
ow do I store grep command output in shell variable? What is the syntax to store the command output into a variable in Linux or Unix?
Continue reading “How to assign a grep command value to a variable in Linux/Unix”
ow do I clear squid cache? How do I re-create the cache directories on a server where Squid version 3.x is currently running in Linux or Unix based server?
ow do I find out what is listing or using tcp port number 80 on Linux based systems using command line options?
am porting ksh script from Sun/Oracle Unix to Linux. How do I install ksh (KornShell) in CentOS / Fedora / Red Hat Enterprise Linux? How do I run and test ksh script on RHEL/CentOS Linux?