apropos
apropos is a linux command that search manual pages and descriptions. Example See Linux Commands
bind
bind is a DNS server. To check bind configuration for errors, run if chroot dns working inside server, not outside
maximum number of open files and file descriptors in linux
To see open files in linux use the command There is a limit set in the kernel on how many
lighttpd too many open files
lighttpd server crashes with fllowing error in error_log file. As lighttpd is a single-threaded server, its main resource limit is
df not showing all mounts
On a server, df not showing all mounts This is caused by corrupt /etc/mtab To fix See df
Show disk usage with df
df command shows partitions and disks used by each partition. To see partitions alone with Type, use df not showing
RHCSA Study Guide
1. Logical volume ‘home’ as created and mounted. Reduce its size to ‘192M’ (size from 185M to 200MB is acceptable)
debconf: unable to initialize frontend: Dialog
When installing a program in Ubuntu 18.04 server minimal installation, i get following error To fix this, run OR Related
Install Unbound DNS caching server
Unbound is an Open source DNS caching and recursive resolver. You can find more about unbound at https://nlnetlabs.nl/projects/unbound/about/ To install
x11vnc
Install x11vnc on Ubuntu Start x11vnc with supervisord See vnc
Start x11vnc with supervisord
To auo start x11vnc with supervisord, first install x11vnc and supervisord Create a password file Replace YOUR_SECRET_PW with whatever password
Manually run icecast on CentovaCast server
On CentovaCast server, icecast is run as user ccuser, to run icecast, you need to enable shell for this user.