simbalinux

grep -q -F 'include "/configs/projectname.conf"' foo.bar || echo 'include "/configs/projectname.conf"' >> foo.bar

simbalinux

#!/usr/bin/bash

grep -q -F '192.168.49.10    web1.example.com        web1' /etc/hosts || echo '192.168.49.10    web1.example.com        web1' >> /etc/hosts

simbalinux

#!/usr/bin/bash

if [ $(command -v httpd) ]; then echo 'installed'; else echo 'not installed'; fi

#  or 

if [ $(which httpd) ]; then echo 'installed'; else echo 'not installed'; fi

simbalinux

#!/bin/bash
sed -i '/ServerName web2.example.com:443/a CustomLog /var/log/httpd/example.com/logs/web2.example.com-access.log combined' ssl.conf

simbalinux

global_entry="
global
        log 127.0.0.1   local0
        log 127.0.0.1   local1 debug
        maxconn   45000 # Total Max Connections.
        daemon
        nbproc      1 # Number of processing cores."
echo "$global_entry"
file=tester
grep -qF "$global_entry" "$file" || echo "$global_entry" | sudo tee --append "$file"

simbalinux

#!/bin/bash

SITESFILE=sites.txt #list the sites you want to monitor in this file
#EMAILS="[email protected],[email protected]" #list of email addresses to receive alerts (comma separated)

while read site; do
    if [ ! -z "${site}" ]; then
        
        CURL=$(curl -s --head $site)

simbalinux

#Create a secure server on your lan e.g. raspi

#invoke the following command from the server you will use as socks5 proxy specify port.
ssh -o ServerAliveInterval=60 -D0.0.0.0:8888 -f -N "host_with_www_connection"

#we have forked a background ssh process creating a socks5 proxy dynamically on ALL interfaces using 8888 on localhost, check with...
netstat -ntlp
#turn on the firewalld service
systemctl status firewalld.service

simbalinux

[ $(grep -o '\.' file|wc -l) -gt 3 ] && sed -i file -e 's/\./+/g'

simbalinux

raw=/path/to/dir
files=("$raw"/*)
for each in "${files[@]}"; do
  echo "$each"
  sleep 3
done

count=${#files[@]}
files_ordered=()
for (( i = 0; i < count; i++ )); do

simbalinux

#!/usr/bin/env bash
shopt -s nullglob
exec > /path/to/logfile
# Variables 
sql_path="/path/to/backup"
data_path="/path/to/backup"
days=7
testvalue=1
# Arrays
mapfile -t sql < <(find "$sql_path" -type f -mtime -"$days")