man page HowTo - Linux / Unix Q & A from nixCraft

How to install man pages on CentOS Linux 6/7/8

last updated December 16, 2019 in CentOS, Linux, Package Management, RedHat and Friends

I have installed both CentOS Linux version 6.x and 7.x using LXD vm. I am unable to access man pages and getting the following error:
$ man date bash: man: command not found
How to install man pages on my CentOS 6/7 VM?

Linux / Unix: Colored Man Pages With less Command

last updated December 13, 2017 in BASH Shell, Linux, UNIX

How do I see colored man pages with standard Unix or Linux less command without installing most paging program for Unix / Linux like operating system?

rpmbuild: error: Installed (but unpackaged) file(s) found Solution

last updated August 22, 2011 in RedHat and Friends

I‘m trying to build a RHEL 6 rpm of nginx server. But, I get the following error:

+ /usr/lib/rpm/brp-strip-comment-note
Checking for unpackaged file(s): /usr/lib/rpm/check-files /root/rpmbuild/BUILDROOT/nginx-1.0.5-1.el6.x86_64
error: Installed (but unpackaged) file(s) found:
/usr/local/nginx/conf/fastcgi.conf
/usr/local/nginx/conf/fastcgi.conf.default
…
….
.
/usr/local/nginx/html/50x.html
/usr/local/nginx/html/index.html
/usr/local/nginx/sbin/nginx
RPM build errors:
Installed (but unpackaged) file(s) found:
/usr/local/nginx/conf/fastcgi.conf
/usr/local/nginx/conf/fastcgi.conf.default
…
..
.
/usr/local/nginx/html/50x.html
/usr/local/nginx/html/index.html
/usr/local/nginx/sbin/nginx

How do I fix this problem and build rpm file?

TCSH / CSH / C Shell Check Whether a Directory is Empty or Not

last updated July 5, 2011 in UNIX

How do I check whether a directory is empty or not under Linux / UNIX using a TCSH / C shell script?

Linux / UNIX: Kill User Session

last updated January 8, 2011 in Linux, UNIX

How do I kill all users session under Linux or UNIX operating system using command prompt?

Linux / UNIX: Speed up SSH X11 Forwarding

last updated January 5, 2011 in OpenBSD, UNIX

I‘ve an CentOS based server and Ubuntu based desktop pc. I’m connecting to my CentOS using ssh X11 forwarding feature. However, speed over the Internet is pretty slow for certain apps such as VMWare console. How do I speed up OpenSSH X11 forwarding using Linux / UNIX desktop system?

Truncate: UNIX Binary Log File

last updated October 27, 2010 in UNIX

How do I truncate a UNIX binary log file using command line options?