query the APT cache NAME apt-cache - query the APT cache SYNOPSIS apt-cache [ -agipns ] [ -o= config_string ] [ -c= config_file ] {gencaches | showpkg pkg ... | showsrc pkg ... | s…Archive authentication support for APT NAME apt-secure - Archive authentication support for APT DESCRIPTION Starting with version 0.6, APT contains code that does signature checkin…APT CD-ROM management utility NAME apt-cdrom - APT CD-ROM management utility SYNOPSIS apt-cdrom [ -rmfan ] [ -d= cdrom_mount_point ] [ -o= config_string ] [ -c= config_file ] {add …command-line interface NAME apt - command-line interface SYNOPSIS apt [ -h ] [ -o= config_string ] [ -c= config_file ] [ -t= target_release ] [ -a= architecture ] {list | search | …APT Configuration Query program NAME apt-config - APT Configuration Query program SYNOPSIS apt-config [ --empty ] [ --format ' %f "%v";%n ' ] [ -o= config_string ] [ -c= config_fil…show, set and unset various settings for a package NAME apt-mark - show, set and unset various settings for a package SYNOPSIS apt-mark { -f= filename | {auto | manual} pkg ... | {…APT package handling utility -- command-line interface NAME apt-get - APT package handling utility -- command-line interface SYNOPSIS apt-get [ -sqdyfmubV ] [ -o= config_string ] […let packages ask questions prior to their installation NAME dpkg-preconfigure - let packages ask questions prior to their installation SYNOPSIS dpkg-preconfigure [options] package.…Apache HTTP server control interface NAME apache2ctl - Apache HTTP server control interface SYNOPSIS When acting in SysV init mode, apache2ctl takes simple, one-word commands, defi…Apache HTTP server control interface NAME apache2ctl - Apache HTTP server control interface SYNOPSIS When acting in SysV init mode, apache2ctl takes simple, one-word commands, defi…Apache Hypertext Transfer Protocol Server NAME apache2 - Apache Hypertext Transfer Protocol Server SYNOPSIS apache2 [ - d serverroot ] [ - f config ] [ - C directive ] [ - c direct…user-friendly packet editor action NAME skbmod - user-friendly packet editor action SYNOPSIS tc ... action skbmod { set SETTABLE | swap SWAPPABLE | ecn } [ CONTROL ] [ index INDEX …extended matches for use with "basic", "cgroup" or "flow" filters NAME ematch - extended matches for use with "basic", "cgroup" or "flow" filters SYNOPSIS tc filter add .. basic ma…transform configuration NAME ip-xfrm - transform configuration SYNOPSIS ip [ OPTIONS ] xfrm { COMMAND | help } ip xfrm XFRM-OBJECT { COMMAND | help } XFRM-OBJECT := state | policy …devlink device configuration NAME devlink-dev - devlink device configuration SYNOPSIS devlink [ OPTIONS ] dev { COMMAND | help } OPTIONS := { -V [ ersion ] | -n [ no-nice-names ] }…mpls manipulation module NAME mpls - mpls manipulation module SYNOPSIS tc ... action mpls { POP | PUSH | MODIFY | dec_ttl } [ CONTROL ] POP := pop protocol MPLS_PROTO PUSH := { pus…HTTP and reverse proxy server, mail proxy server NAME nginx — HTTP and reverse proxy server, mail proxy server SYNOPSIS nginx [ -?hqTtVv ] [ -c file ] [ -e file ] [ -g directives ]…Unit generator for SysV init scripts NAME systemd-sysv-generator - Unit generator for SysV init scripts SYNOPSIS /usr/lib/systemd/system-generators/systemd-sysv-generator DESCRIPTI…politely refuse a login NAME nologin - politely refuse a login SYNOPSIS nologin [ -V ] [ -h ] DESCRIPTION nologin displays a message that an account is not available and exits non-…MPTCP path manager configuration NAME ip-mptcp - MPTCP path manager configuration SYNOPSIS ip [ OPTIONS ] mptcp { endpoint | limits | help } ip mptcp endpoint add IFADDR [ port POR…