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Regular
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Regular Expression
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^((\s+|)(\/\/|#)|$)
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gm
Test String
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################################################################## #### /etc/apt/apt.conf.d/50unattended-upgrades ### // Automatically upgrade packages from these (origin:archive) pairs // // Note that in Ubuntu security updates may pull in new dependencies // from non-security sources (e.g. chromium). By allowing the release // pocket these get automatically pulled in. Unattended-Upgrade::Allowed-Origins { "${distro_id}:${distro_codename}"; "${distro_id}:${distro_codename}-security"; // Extended Security Maintenance; doesn't necessarily exist for // every release and this system may not have it installed, but if // available, the policy for updates is such that unattended-upgrades // should also install from here by default. "${distro_id}ESMApps:${distro_codename}-apps-security"; "${distro_id}ESM:${distro_codename}-infra-security"; // "${distro_id}:${distro_codename}-updates"; // "${distro_id}:${distro_codename}-proposed"; // "${distro_id}:${distro_codename}-backports"; }; // Python regular expressions, matching packages to exclude from upgrading Unattended-Upgrade::Package-Blacklist { // The following matches all packages starting with linux- // "linux-"; // Use $ to explicitely define the end of a package name. Without // the $, "libc6" would match all of them. // "libc6$"; // "libc6-dev$"; // "libc6-i686$"; // Special characters need escaping // "libstdc\+\+6$"; // The following matches packages like xen-system-amd64, xen-utils-4.1, // xenstore-utils and libxenstore3.0 // "(lib)?xen(store)?"; // For more information about Python regular expressions, see // https://docs.python.org/3/howto/regex.html }; // This option controls whether the development release of Ubuntu will be // upgraded automatically. Valid values are "true", "false", and "auto". Unattended-Upgrade::DevRelease "auto"; ################################################################## #### /etc/cron.weekly/man-db ### #!/bin/sh # # man-db cron weekly set -e if [ -d /run/systemd/system ]; then # Skip in favour of systemd timer. exit 0 fi iosched_idle= # Don't try to change I/O priority in a vserver or OpenVZ. if ! egrep -q '(envID|VxID):.*[1-9]' /proc/self/status && \ ([ ! -d /proc/vz ] || [ -d /proc/bc ]); then iosched_idle='--iosched idle' fi if ! [ -d /var/cache/man ]; then # Recover from deletion, per FHS. install -d -o man -g man -m 0755 /var/cache/man fi # regenerate man database if [ -x /usr/bin/mandb ]; then # --pidfile /dev/null so it always starts; mandb isn't really a daemon, # but we want to start it like one. start-stop-daemon --start --pidfile /dev/null \ --startas /usr/bin/mandb --oknodo --chuid man \ $iosched_idle \ -- --quiet fi exit 0
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