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Update _common.sh
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frju365
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@ -5,220 +5,6 @@
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#=================================================
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nodejs_version=8.11.4
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#=================================================
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# BACKUP
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#=================================================
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HUMAN_SIZE () { # Transforme une taille en Ko en une taille lisible pour un humain
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human=$(numfmt --to=iec --from-unit=1K $1)
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echo $human
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}
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CHECK_SIZE () { # Vérifie avant chaque backup que l'espace est suffisant
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file_to_analyse=$1
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backup_size=$(du --summarize "$file_to_analyse" | cut -f1)
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free_space=$(df --output=avail "/home/yunohost.backup" | sed 1d)
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if [ $free_space -le $backup_size ]
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then
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ynh_print_err "Espace insuffisant pour sauvegarder $file_to_analyse."
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ynh_print_err "Espace disponible: $(HUMAN_SIZE $free_space)"
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ynh_die "Espace nécessaire: $(HUMAN_SIZE $backup_size)"
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fi
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}
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#=================================================
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# EXPERIMENTAL HELPERS
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#=================================================
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n_install_dir="/opt/node_n"
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node_version_path="$n_install_dir/n/versions/node"
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# N_PREFIX is the directory of n, it needs to be loaded as a environment variable.
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export N_PREFIX="$n_install_dir"
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# Install Node version management
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#
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# [internal]
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#
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# usage: ynh_install_n
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ynh_install_n () {
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echo "Installation of N - Node.js version management" >&2
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# Build an app.src for n
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mkdir -p "../conf"
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echo "SOURCE_URL=https://github.com/tj/n/archive/v2.1.7.tar.gz
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SOURCE_SUM=2ba3c9d4dd3c7e38885b37e02337906a1ee91febe6d5c9159d89a9050f2eea8f" > "../conf/n.src"
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# Download and extract n
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ynh_setup_source "$n_install_dir/git" n
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# Install n
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(cd "$n_install_dir/git"
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PREFIX=$N_PREFIX make install 2>&1)
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}
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# Load the version of node for an app, and set variables.
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#
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# ynh_use_nodejs has to be used in any app scripts before using node for the first time.
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#
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# 2 variables are available:
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# - $nodejs_path: The absolute path of node for the chosen version.
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# - $nodejs_version: Just the version number of node for this app. Stored as 'nodejs_version' in settings.yml.
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# And 2 alias stored in variables:
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# - $nodejs_use_version: An old variable, not used anymore. Keep here to not break old apps
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# NB: $PATH will contain the path to node, it has to be propagated to any other shell which needs to use it.
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# That's means it has to be added to any systemd script.
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#
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# usage: ynh_use_nodejs
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ynh_use_nodejs () {
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nodejs_version=$(ynh_app_setting_get $app nodejs_version)
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nodejs_use_version="echo \"Deprecated command, should be removed\""
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# Get the absolute path of this version of node
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nodejs_path="$node_version_path/$nodejs_version/bin"
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# Load the path of this version of node in $PATH
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[[ :$PATH: == *":$nodejs_path"* ]] || PATH="$nodejs_path:$PATH"
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}
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# Install a specific version of nodejs
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#
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# n (Node version management) uses the PATH variable to store the path of the version of node it is going to use.
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# That's how it changes the version
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#
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# ynh_install_nodejs will install the version of node provided as argument by using n.
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#
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# usage: ynh_install_nodejs [nodejs_version]
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# | arg: nodejs_version - Version of node to install.
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# If possible, prefer to use major version number (e.g. 8 instead of 8.10.0).
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# The crontab will handle the update of minor versions when needed.
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ynh_install_nodejs () {
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# Use n, https://github.com/tj/n to manage the nodejs versions
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nodejs_version="$1"
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# Create $n_install_dir
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mkdir -p "$n_install_dir"
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# Load n path in PATH
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CLEAR_PATH="$n_install_dir/bin:$PATH"
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# Remove /usr/local/bin in PATH in case of node prior installation
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PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
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# Move an existing node binary, to avoid to block n.
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test -x /usr/bin/node && mv /usr/bin/node /usr/bin/node_n
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test -x /usr/bin/npm && mv /usr/bin/npm /usr/bin/npm_n
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# If n is not previously setup, install it
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if ! test $(n --version > /dev/null 2>&1)
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then
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ynh_install_n
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fi
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# Modify the default N_PREFIX in n script
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ynh_replace_string "^N_PREFIX=\${N_PREFIX-.*}$" "N_PREFIX=\${N_PREFIX-$N_PREFIX}" "$n_install_dir/bin/n"
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# Restore /usr/local/bin in PATH
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PATH=$CLEAR_PATH
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# And replace the old node binary.
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test -x /usr/bin/node_n && mv /usr/bin/node_n /usr/bin/node
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test -x /usr/bin/npm_n && mv /usr/bin/npm_n /usr/bin/npm
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# Install the requested version of nodejs
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n $nodejs_version
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# Find the last "real" version for this major version of node.
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real_nodejs_version=$(find $node_version_path/$nodejs_version* -maxdepth 0 | sort --version-sort | tail --lines=1)
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real_nodejs_version=$(basename $real_nodejs_version)
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# Create a symbolic link for this major version if the file doesn't already exist
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if [ ! -e "$node_version_path/$nodejs_version" ]
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then
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ln --symbolic --force --no-target-directory $node_version_path/$real_nodejs_version $node_version_path/$nodejs_version
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fi
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# Store the ID of this app and the version of node requested for it
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echo "$YNH_APP_ID:$nodejs_version" | tee --append "$n_install_dir/ynh_app_version"
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# Store nodejs_version into the config of this app
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ynh_app_setting_set $app nodejs_version $nodejs_version
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# Build the update script and set the cronjob
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ynh_cron_upgrade_node
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ynh_use_nodejs
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}
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# Remove the version of node used by the app.
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#
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# This helper will check if another app uses the same version of node,
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# if not, this version of node will be removed.
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# If no other app uses node, n will be also removed.
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#
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# usage: ynh_remove_nodejs
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ynh_remove_nodejs () {
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nodejs_version=$(ynh_app_setting_get $app nodejs_version)
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# Remove the line for this app
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sed --in-place "/$YNH_APP_ID:$nodejs_version/d" "$n_install_dir/ynh_app_version"
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# If no other app uses this version of nodejs, remove it.
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if ! grep --quiet "$nodejs_version" "$n_install_dir/ynh_app_version"
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then
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$n_install_dir/bin/n rm $nodejs_version
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fi
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# If no other app uses n, remove n
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if [ ! -s "$n_install_dir/ynh_app_version" ]
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then
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ynh_secure_remove "$n_install_dir"
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ynh_secure_remove "/usr/local/n"
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fi
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}
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# Set a cron design to update your node versions
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#
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# [internal]
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#
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# This cron will check and update all minor node versions used by your apps.
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#
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# usage: ynh_cron_upgrade_node
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ynh_cron_upgrade_node () {
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# Build the update script
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cat > "$n_install_dir/node_update.sh" << EOF
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#!/bin/bash
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version_path="$node_version_path"
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n_install_dir="$n_install_dir"
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# Log the date
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date
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# List all real installed version of node
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all_real_version="\$(find \$version_path/* -maxdepth 0 -type d | sed "s@\$version_path/@@g")"
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# Keep only the major version number of each line
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all_real_version=\$(echo "\$all_real_version" | sed 's/\..*\$//')
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# Remove double entries
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all_real_version=\$(echo "\$all_real_version" | sort --unique)
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# Read each major version
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while read version
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do
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echo "Update of the version \$version"
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sudo \$n_install_dir/bin/n \$version
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# Find the last "real" version for this major version of node.
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real_nodejs_version=\$(find \$version_path/\$version* -maxdepth 0 | sort --version-sort | tail --lines=1)
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real_nodejs_version=\$(basename \$real_nodejs_version)
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# Update the symbolic link for this version
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sudo ln --symbolic --force --no-target-directory \$version_path/\$real_nodejs_version \$version_path/\$version
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done <<< "\$(echo "\$all_real_version")"
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EOF
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chmod +x "$n_install_dir/node_update.sh"
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# Build the cronjob
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cat > "/etc/cron.daily/node_update" << EOF
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#!/bin/bash
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$n_install_dir/node_update.sh >> $n_install_dir/node_update.log
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EOF
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chmod +x "/etc/cron.daily/node_update"
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}
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#=================================================
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# Start or restart a service and follow its booting
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