linux

To redirect old site to new url using .htacces, use following Redirect with SSL verification See htaccess

To list kernal modules, use lsmod Example boby@sok-01:~$ lsmod | grep rtl rtl8xxxu 122880 0 mac80211 778240 2 ath9k_htc,rtl8xxxu boby@sok-01:~$

To log commands executed by users on Linux shell, edit file vi /etc/bash.bashrc Add export PROMPT_COMMAND=’RETRN_VAL=$?;logger -p local6.debug “$(whoami) [$$]: $(history 1 | sed “s/^[ ]*[0-9]\+[ ]*//” ) [$RETRN_VAL]”‘ Create file vi /etc/rsyslog.d/bash.conf Add local6.* /var/log/commands.log Restart rsyslog systemctl restart rsyslog Now log off and login, you will be able to see all commends executed … Read more

xinput command on linux shows all available input devices. xinput Example

CentOS Ubuntu Debian ArchLinux openSUSE Try Linux distro with out downloading ISO

Partitioning hard disk for backup

It is better to have a second hard disk on servers for backup. Here, we will partition a fresh disk, format and mount it as /backup. Replace /dev/sdX with the actual device name of your backup disk. Now you need to find the UUID for this new drive with the command Create a folder to … Read more

Linux How to Disable a user account useradd usermod Adding a group in Linux with addgroup Linux groups

To disable or lock a linux user account, run passwd -l USERNAME_HERE Or usermod -L USERNAME_HERE To verify if a user is locked, run passwrd –status USERNAME_HERE If account is disabled/locked, it will show L.

By default files are displayed with “Icon View” I prefer list view. To set default view in Nemo, go to Edit -> Preferences -> Views (tab) -> View new folders using -> List View