#!/usr/bin/env bash script_name="$(basename $(realpath $0))" working_dir="$(dirname $(realpath $0))" #conf_file="${working_dir}/conf/${script_name%%.*}.conf" conf_file="${working_dir}/conf/jitsi.conf" LOCK_DIR="/tmp/$(basename $0).$$.LOCK" log_file="${LOCK_DIR}/${script_name%%.*}.log" # ---------- # Base Function(s) # ---------- clean_up() { # Perform program exit housekeeping rm -rf "$LOCK_DIR" blank_line exit $1 } echononl(){ if $terminal ; then echo X\\c > /tmp/shprompt$$ if [ `wc -c /tmp/shprompt$$ | awk '{print $1}'` -eq 1 ]; then echo -e -n " $*\\c" 1>&2 else echo -e -n " $*" 1>&2 fi rm /tmp/shprompt$$ fi } fatal(){ echo "" if $terminal ; then echo -e " [ \033[31m\033[1mFatal\033[m ] $*" else echo -e " [ Fatal ] $*" fi echo "" if $terminal ; then echo -e " \033[1mScript terminated\033[m.." else echo -e " Script terminated.." fi echo "" rm -rf $LOCK_DIR exit 1 } error (){ echo "" if $terminal ; then echo -e " [ \033[31m\033[1mError\033[m ] $*" else echo " [ Error ] $*" fi echo "" } echo_ok() { if $terminal ; then echo -e "\033[85G[ \033[32mok\033[m ]" fi } echo_failed(){ if $terminal ; then echo -e "\033[85G[ \033[1;31mfailed\033[m ]" fi } echo_skipped() { if $terminal ; then echo -e "\033[85G[ \033[33m\033[1mskipped\033[m ]" fi } echo_wait(){ if $terminal ; then echo -en "\033[85G[ \033[5m\033[1m..\033[m ]" fi } trim() { local var="$*" var="${var#"${var%%[![:space:]]*}"}" # remove leading whitespace characters var="${var%"${var##*[![:space:]]}"}" # remove trailing whitespace characters echo -n "$var" } blank_line() { if $terminal ; then echo "" fi } detect_os () { if $(which lsb_release > /dev/null 2>&1) ; then DIST="$(lsb_release -i | awk '{print tolower($3)}')" DIST_VERSION="$(lsb_release -r | awk '{print tolower($2)}')" DIST_CODENAME="$(lsb_release -c | awk '{print tolower($2)}')" if [[ "$DIST" = "debian" ]]; then if $(echo "$DIST_VERSION" | grep -q '\.') ; then DIST_VERSION=$(echo "$DIST_VERSION" | cut --delimiter='.' -f1) fi fi elif [[ -e "/etc/os-release" ]]; then . /etc/os-release DIST=$ID DIST_VERSION=${VERSION_ID} fi # remove whitespace from DIST and DIST_VERSION DIST="${DIST// /}" DIST_VERSION="${DIST_VERSION// /}" } # ---------- # - Jobhandling # ---------- # - Run 'clean_up' for signals SIGHUP SIGINT SIGTERM # - trap clean_up SIGHUP SIGINT SIGTERM # - Create lock directory '$LOCK_DIR" # mkdir "$LOCK_DIR" # ---------- # - Some checks .. # ---------- # - Running in a terminal? # - if [[ -t 1 ]] ; then terminal=true else fatal "Script must run in a terminal." fi # ========== # - Begin Main Script # ========== # ---------- # - Headline # ---------- if $terminal ; then echo "" echo -e "\033[1m----------\033[m" echo -e "\033[32m\033[1mRunning script \033[m\033[1m$script_name\033[32m .. \033[m" echo -e "\033[1m----------\033[m" fi # ---------- # Read Configurations from $conf_file # ---------- # - Give your default values here # - DEFAULT_FQHN_HOSTNAME="$(hostname -f)" if [[ -f "$conf_file" ]]; then source "$conf_file" else warn "No configuration file '$conf_file' present.\n Loading default values.." fi [[ -n "$FQHN_HOSTNAME" ]] && DEFAULT_FQHN_HOSTNAME="$FQHN_HOSTNAME" blank_line echononl "Detect distribution/release of running OS.." detect_os > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi FQHN_HOSTNAME= echo "" echo -e "\033[32m--\033[m" echo "" echo "Insert full qualified hostname for BigBlueButton Service" echo "" if [[ -n "$DEFAULT_FQHN_HOSTNAME" ]]; then while [[ "X${FQHN_HOSTNAME}" = "X" ]]; do echononl "Full qualified hostname [${DEFAULT_FQHN_HOSTNAME}]: " read FQHN_HOSTNAME if [[ "X${FQHN_HOSTNAME}" = "X" ]]; then FQHN_HOSTNAME=$DEFAULT_FQHN_HOSTNAME fi if [[ ! $FQHN_HOSTNAME =~ \. ]]; then echo -e "\n\tGiven Host \033[33m\033[1m$FQHN_HOSTNAME\033[m seems not to be a full qualified hostname.\n" FQHN_HOSTNAME="" fi done else while [[ "X${FQHN_HOSTNAME}" = "X" ]]; do echononl "Full qualified hostname: " read FQHN_HOSTNAME if [[ "X${FQHN_HOSTNAME}" = "X" ]]; then echo -e "\n\t\033[33m\033[1mFull qualified hostname is reqired\033[m\n" fi if [[ ! $FQHN_HOSTNAME =~ \. ]]; then echo -e "\n\tGiven Host \033[33m\033[1m$FQHN_HOSTNAME\033[m seems not to be a full qualified hostname.\n" FQHN_HOSTNAME="" fi done fi HOSTNAME="${FQHN_HOSTNAME%%.*}" echo "" echo "" echo -e "\t\033[32mStart pre-install script for BigBlueButton Service with the following parameters\033[m" echo "" echo -e "\tFull qualified Hostname..: $FQHN_HOSTNAME" echo -e "\tHostname.................: $HOSTNAME" echo "" echo -e "\tOS Distribution..........: $DIST" echo -e "\tDistribution's codename..: $DIST_CODENAME" echo "" echononl "einverstanden (yes/no): " read OK OK=${OK,,} while [ "X$OK" != "Xyes" -a "X$OK" != "Xno" ]; do echononl "Wrong entry! [yes/no]: " read OK OK=${OK,,} done [ $OK = "yes" ] || fatal Repeat with other settings.. echo "" echo "" echo echo -e "\033[37m\033[1mInstall script checking if certificate/key of coTURN service is up-to-date..\033[m" echo # ------ # Create configuration file for certification check of coTURN service # ------ echononl "Create configuration file for certification check of coTURN service.." if [[ ! -f "/root/bin/monitoring/conf/check_cert_for_service.conf" ]]; then cp /root/bin/monitoring/conf/check_cert_for_service.conf.sample \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_name'.." if ! $(grep -q -E "^\s*service_name=\"coTURN\"" /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#service_name.*)/#\1\nservice_name=\"coTURN\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'check_string_ps'.." if ! $(grep -q -E "^\s*check_string_ps=\"\[\[:digit:\]\]\\\ /usr/bin/turnserver\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+check_string_ps*)/#\1\ncheck_string_ps=\"[[:digit:]]\\\ \/usr\/bin\/turnserver\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_user'.." if ! $(grep -q -E "^\s*service_user=\"turnserver\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+service_user.*)/#\1\nservice_user=\"turnserver\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_group'.." if ! $(grep -q -E "^\s*service_group=\"turnserver\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+service_group.*)/#\1\nservice_group=\"turnserver\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'cert_installed'.." # if ! $(grep -q -E "^\s*cert_installed=\"/etc/ssl/fullchain.pem\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+cert_installed.*)/#\1\ncert_installed=\"\/etc\/ssl\/fullchain.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'key_installed'.." # if ! $(grep -q -E "^\s*key_installed=\"/etc/ssl/privkey.pem\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+key_installed.*)/#\1\nkey_installed=\"\/etc\/ssl\/privkey.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'cert_newest'.." # if ! $(grep -q -E "^\s*cert_newest=\"/var/lib/dehydrated/certs/${FQHN_HOSTNAME}/fullchain.pem\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e \ "s/^(#+cert_newest.*)/#\1\ncert_newest=\"\\/var\/lib\/dehydrated\/certs\/${FQHN_HOSTNAME}\/fullchain.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'key_newest'.." # if ! $(grep -q -E "^\s*key_newest=\"/var/lib/dehydrated/certs/${FQHN_HOSTNAME}/privkey.pem\"" \ /root/bin/monitoring/conf/check_cert_for_service.conf 2> /dev/null) ; then perl -i -n -p -e \ "s/^(#+key_newest.*)/#\1\nkey_newest=\"\\/var\/lib\/dehydrated\/certs\/${FQHN_HOSTNAME}\/privkey.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_service.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi blank_line echononl "Initial run of script 'check_cert_for_service.sh'.." echo_wait /root/bin/monitoring//check_cert_for_service.sh > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok if [[ -s "$log_file" ]] ; then echo -e " \033[32m----------\033[m \033[1mOutput from :run of script 'check_cert_for_service.sh' was:\033[m $(cat "$log_file") \033[32m----------\033[m " fi fi blank_line # Add Cronjob for checcking if certificate/key of coTURN service is up to date # _failed=false echononl "Add Cronjob for checcking if certificate/key of coTURN service is up-to-date.." _crontab_tmp_file=/tmp/crontab_root.$$ crontab -l > "$_crontab_tmp_file" 2> "$log_file" if [[ $? -ne 0 ]]; then _failed=true fi if ! $(grep -q "/root/bin/monitoring/check_cert_for_service.sh" "$_crontab_tmp_file" 2>/dev/null) ; then cat <> "$_crontab_tmp_file" 2>> "$log_file" # - Check if cert for coTURN service is up-to-date # - 39 05 * * * /root/bin/monitoring/check_cert_for_service.sh EOF if [[ $? -ne 0 ]]; then _failed=true fi crontab "$_crontab_tmp_file" if [[ $? -ne 0 ]]; then _failed=true fi rm -f "$_crontab_tmp_file" if [[ $? -ne 0 ]]; then _failed=true fi if $_failed ; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi blank_line echo echo -e "\033[37m\033[1mInstall script checking if certificate/key of Prosody service is up-to-date..\033[m" echo # ------ # Create configuration file for certification check of Prosody service # ------ echononl "Create configuration file for certification check of Prosody service.." if [[ ! -f "/root/bin/monitoring/conf/check_cert_for_prosody.conf" ]]; then cp /root/bin/monitoring/conf/check_cert_for_prosody.conf.sample \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_name'.." if ! $(grep -q -E "^\s*service_domain=\"${FQHN_HOSTNAME}\"" /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#service_domain.*)/#\1\nservice_domain=\"${FQHN_HOSTNAME}\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi if ! $(grep -q -E "^\s*service_name=\"Prosody\"" /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+service_name.*)/#\1\nservice_name=\"Prosody\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'check_string_ps'.." if ! $(grep -q -E "^\s*check_string_ps=\"\[\[:digit:\]\]\\\ lua\[\[:digit:\]\].\[\[:digit:\]\] /usr/bin/prosody\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+check_string_ps.*)/#\1\ncheck_string_ps=\"[[:digit:]]\\\ lua[[:digit:]].[[:digit:]] \/usr\/bin\/prosody\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_user'.." if ! $(grep -q -E "^\s*service_user=\"prosody\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+service_user.*)/#\1\nservice_user=\"prosody\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'service_group'.." if ! $(grep -q -E "^\s*service_group=\"prosody\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+service_group.*)/#\1\nservice_group=\"prosody\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'cert_installed'.." if ! $(grep -q -E "^\s*cert_installed=\"/etc/prosody/certs/${FQHN_HOSTNAME}.crt\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+cert_installed.*)/#\1\ncert_installed=\"\/etc\/prosody\/certs\/${FQHN_HOSTNAME}.crt\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'key_installed'.." if ! $(grep -q -E "^\s*key_installed=\"/etc/prosody/certs/${FQHN_HOSTNAME}.key\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e "s/^(#+key_installed.*)/#\1\nkey_installed=\"\/etc\/prosody\/certs\/${FQHN_HOSTNAME}.key\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'cert_newest'.." if ! $(grep -q -E "^\s*cert_newest=\"/var/lib/dehydrated/certs/${FQHN_HOSTNAME}/fullchain.pem\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e \ "s/^(#+cert_newest.*)/#\1\ncert_newest=\"\\/var\/lib\/dehydrated\/certs\/${FQHN_HOSTNAME}\/fullchain.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Prepare configuration file for 'key_newest'.." if ! $(grep -q -E "^\s*key_newest=\"/var/lib/dehydrated/certs/${FQHN_HOSTNAME}/privkey.pem\"" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf 2> /dev/null) ; then perl -i -n -p -e \ "s/^(#+key_newest.*)/#\1\nkey_newest=\"\\/var\/lib\/dehydrated\/certs\/${FQHN_HOSTNAME}\/privkey.pem\"/" \ /root/bin/monitoring/conf/check_cert_for_prosody.conf > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi blank_line echononl "Initial run of script 'check_cert_for_prosody.sh'.." echo_wait /root/bin/monitoring/check_cert_for_prosody.sh > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok if [[ -s "$log_file" ]] ; then echo -e " \033[32m----------\033[m \033[1mOutput from :run of script 'check_cert_for_prosody.sh' was:\033[m $(cat "$log_file") \033[32m----------\033[m " fi fi blank_line # Add Cronjob for checcking if certificate/key of Prosody service is up to date # _failed=false echononl "Add Cronjob for checcking if certificate/key of Prosody service is up-to-date.." _crontab_tmp_file=/tmp/crontab_root.$$ crontab -l > "$_crontab_tmp_file" 2> "$log_file" if [[ $? -ne 0 ]]; then _failed=true fi if ! $(grep -q "/root/bin/monitoring/check_cert_for_prosody.sh" "$_crontab_tmp_file" 2>/dev/null) ; then cat <> "$_crontab_tmp_file" 2>> "$log_file" # - Check if cert(s) for Prosody service are up-zp-date # - 13 05 * * * /root/bin/monitoring/check_cert_for_prosody.sh EOF if [[ $? -ne 0 ]]; then _failed=true fi crontab "$_crontab_tmp_file" if [[ $? -ne 0 ]]; then _failed=true fi rm -f "$_crontab_tmp_file" if [[ $? -ne 0 ]]; then _failed=true fi if $_failed ; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi blank_line echo echo -e "\033[37m\033[1mConfigure Jitsi Meet..\033[m" echo _failed=false _changed=false echononl "Adjust '/etc/jitsi/videobridge/sip-communicator.properties'.." if ! $(grep -q -E "^\s*org.jitsi.videobridge.DISABLE_TCP_HARVESTER=true" \ /etc/jitsi/videobridge/sip-communicator.properties 2> "$log_file") ; then cat <> /etc/jitsi/videobridge/sip-communicator.properties # disable the built-in webserver (required) org.jitsi.videobridge.DISABLE_TCP_HARVESTER=true EOF if [[ $? -ne 0 ]]; then _failed=true fi _changed=true fi if ! $(grep -q -E "^\s*org.jitsi.videobridge.TCP_HARVESTER_PORT=4443" \ /etc/jitsi/videobridge/sip-communicator.properties 2> "$log_file") ; then cat <> /etc/jitsi/videobridge/sip-communicator.properties # sometimes the above setting does not work, therefore we change the port too (required) org.jitsi.videobridge.TCP_HARVESTER_PORT=4443 # sometimes the above setting does not work, therefore we change the port too (required) org.jitsi.videobridge.TCP_HARVESTER_MAPPED_PORT=443 EOF if [[ $? -ne 0 ]]; then _failed=true fi _changed=true fi if ! $(grep -q -E "^\s*#+org.jitsi.videobridge.ENABLE_STATISTICS=false" \ /etc/jitsi/videobridge/sip-communicator.properties 2> "$log_file") ; then cat <> /etc/jitsi/videobridge/sip-communicator.properties # disable statistics to third parties (optional) # DOES NOT WORK #org.jitsi.videobridge.ENABLE_STATISTICS=false EOF if [[ $? -ne 0 ]]; then _failed=true fi _changed=true fi if $_changed ; then if $_failed; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi echononl "Adjust '/etc/jitsi/meet/${FQHN_HOSTNAME}-config.js'.." if ! $(grep -q -E "^\s*{ urls: 'stun.nextcloud.com:443' }" \ /etc/jitsi/meet/${FQHN_HOSTNAME}-config.js 2> "$log_file") ; then perl -i -n -p -e "s/((\s*)stunServers: \[.*)/\1\n\n\2 { urls: 'stun.nextcloud.com:443' },\n\2 { urls: 'stun.stunprotocol.org:3478' },\n\2 { urls: 'stun.services.mozilla.com:3478' },/" /etc/jitsi/meet/video.faire-mobilitaet.de-config.js if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi else echo_skipped fi blank_line echo echo -e "\033[37m\033[1mRestart services..\033[m" echo echononl "Restart prosody service.." systemctl restart prosody > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi echononl "Restart jicofo service.." systemctl restart prosody > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi echononl "Restart jitsi-videobridge2 service.." systemctl restart jitsi-videobridge2 > "$log_file" 2>&1 if [[ $? -ne 0 ]]; then echo_failed error "$(cat "$log_file")" else echo_ok fi clean_up 0