EPEL – Extra Packages for Enterprise Linux

EPEL (Extra Packages for Enterprise Linux) provide additional software for CentOS and RHEL. You can find more information about EPEL

Set vim as default cronjob editor

Method 1 vi /etc/bashrc Find export EDITOR=”pico” export VISUAL=”pico” Replace with export EDITOR=”vi” export VISUAL=”vi” Method 2 edit .bash_profile vi

xdotool

xdotool lets you programmatically simulate keyboard input and mouse activity, move and resize windows, etc. To search for an application

brctl

brctl show [root@server70 etc]# brctl show bridge name bridge id STP enabled interfaces br0 8000.002590d08d66 no eth0 vnet0 virbr0 8000.525400f12faf

Bug Tracking Software

Here is list of software that can be used for bug tracking or issue tracking. http://www.redmine.org/ RudyOnRails, lot of features.

Change Apache User in Ubuntu

On Ubuntu/Debian server, apache run as user www-data. When you install Apache web server on your local computer for developement

Block Country in CSF firewall

CSF firewall can block all traffic from a country or list of countries using the GeoIP database. To block a

zpool

zpool is tool to manage ZFS file system. Here are some zpool commands zpool list zpool list rpool zpool list

Proxmox pveperf

pveperf is a command line benchmarking tool in proxmox server. root@server70:~# pveperf CPU BOGOMIPS: 59199.84 REGEX/SECOND: 3672349 HD SIZE: 38.32

Proxmox useful command to manage Containers

pct is a command line tool to manage containers (LXC) in proxmox server. Here are some useful commands pct documentation

proxmox config files

To find versions of proxmox packages pveversion -v Storage Config root@server70:~# cat /etc/pve/storage.cfg lvm: local_lvm vgname pve content images dir:

wireguard

Install wireguard VPN on Ubuntu VPN