Ubuntu 18 run 32 bits program

本文介绍如何通过命令行使用sudo权限更新软件包列表,并安装针对多架构支持所需的特定库文件,包括libc6、libncurses5和libstdc++等。

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sudo apt-get update

sudo apt-get install libc6:i386 libncurses5:i386 libstdc++6:i386

sudo apt-get install multiarch-support
dropbear的config配置文件如下:config dropbear option PasswordAuth 'on' option RootPasswordAuth 'on' option Port '22' # option BannerFile '/etc/banner' dropbear的启动init.d文件如下:#!/bin/sh /etc/rc.common # Copyright (C) 2006-2010 OpenWrt.org # Copyright (C) 2006 Carlos Sobrinho START=50 STOP=50 SERVICE_USE_PID=1 NAME=dropbear PROG=/usr/sbin/dropbear PIDCOUNT=0 EXTRA_COMMANDS="killclients" EXTRA_HELP=" killclients Kill ${NAME} processes except servers and yourself" PATH_SSH_ALGO_VERSION="/tmp/ssh_algo_version" dropbear_start() { append_ports() { local ifname="$1" local port="$2" grep -qs "^ *$ifname:" /proc/net/dev || { append args "-p $port" return } for addr in $( ifconfig "$ifname" | sed -ne ' /addr: *fe[89ab][0-9a-f]:/d s/.* addr: *\([0-9a-f:\.]*\).*/\1/p ' ); do append args "-p $addr:$port" done } local section="$1" # check if section is enabled (default) local enabled config_get_bool enabled "${section}" enable 1 [ "${enabled}" -eq 0 ] && return 1 # verbose parameter local verbosed config_get_bool verbosed "${section}" verbose 0 # increase pid file count to handle multiple instances correctly PIDCOUNT="$(( ${PIDCOUNT} + 1))" # prepare parameters (initialise with pid file) local pid_file="/var/run/${NAME}.${PIDCOUNT}.pid" local args="-P $pid_file" local val # A) password authentication config_get_bool val "${section}" PasswordAuth 1 [ "${val}" -eq 0 ] && append args "-s" # B) listen interface and port local port local interface config_get interface "${section}" Interface config_get interface "${interface}" ifname "$interface" config_get port "${section}" Port 22 append_ports "$interface" "$port" # C) banner file config_get val "${section}" BannerFile [ -f "${val}" ] && append args "-b ${val}" # D) gatewayports config_get_bool val "${section}" GatewayPorts 0 [ "${val}" -eq 1 ] && append args "-a" # E) root password authentication config_get_bool val "${section}" RootPasswordAuth 1 [ "${val}" -eq 0 ] && append args "-g" # F) root login config_get_bool val "${section}" RootLogin 1 [ "${val}" -eq 0 ] && append args "-w" # G) host keys config_get val "${section}" rsakeyfile [ -f "${val}" ] && append args "-r ${val}" config_get val "${section}" dsskeyfile [ -f "${val}" ] && append args "-d ${val}" # H) enable ssh session login #config_get_bool val "${section}" RemoteSSH 0 #[ "${val}" -eq 1 ] && append args "-L" # I) linux account login config_get_bool val "${section}" SysAccountLogin 1 [ "${val}" -eq 0 ] && append args "-C" # 6)Disable ipv6 socket config_get_bool val "${section}" DisableIpv6 0 [ "${val}" -eq 1 ] && append args "-6" #enable allowblankpass append args "-B" # execute program and return its exit code [ "${verbosed}" -ne 0 ] && echo "${initscript}: section ${section} starting ${PROG} ${args}" SERVICE_PID_FILE="$pid_file" service_start ${PROG} ${args} } keygen() { local rsa2048_enable=$(uci get system.system.rsa2048_enable) local bits=1024 if [ "$rsa2048_enable" == "true" ]; then bits=2048 fi for keytype in rsa; do # check for keys key=dropbear/dropbear_${keytype}_host_key [ -f /tmp/$key -o -s /etc/$key ] || { # generate missing keys # mkdir -p /tmp/dropbear mkdir -p /tmp/dropbear/succ_cli [ -x /usr/bin/dropbearkey ] && { /usr/bin/dropbearkey -t $keytype -f /tmp/$key -s $bits 2>&- >&- && exec /etc/rc.common "$initscript" start } & #exit 0 } done lock /tmp/.switch2jffs mkdir -p /etc/dropbear mv /tmp/dropbear/dropbear_rsa_host_key /etc/dropbear/ lock -u /tmp/.switch2jffs chown root /etc/dropbear chmod 0700 /etc/dropbear } guest_portal() { if [ ! -d "/tmp/guest_portal" ]; then mkdir -p /tmp/guest_portal mount -t tmpfs -o rw,noatime,size=2m,mode=755 none /tmp/guest_portal chown admin:1000 /tmp/guest_portal fi } keygen_ecdsa() { for keytype in ecdsa; do # check for keys key=dropbear/dropbear_${keytype}_host_key [ -f /tmp/$key -o -s /etc/$key ] || { # generate missing keys mkdir -p /tmp/dropbear [ -x /usr/bin/dropbearkey ] && { /usr/bin/dropbearkey -t $keytype -f /tmp/$key -s 521 2>&- >&- && exec /etc/rc.common "$initscript" start } & #exit 0 } done lock /tmp/.switch2jffs mkdir -p /etc/dropbear mv /tmp/dropbear/dropbear_ecdsa_host_key /etc/dropbear/ lock -u /tmp/.switch2jffs chown root /etc/dropbear chmod 0700 /etc/dropbear } start() { [ -s /etc/dropbear/dropbear_rsa_host_key ] || keygen extern_partition=$(uci get profile.@backup_restore[0].extern_partition -c "/etc/profile.d" -q) for img_type in $extern_partition; do if [ "$img_type" = "portal-logo" ] || [ "$img_type" = "portal-back" ]; then guest_portal break fi done [ -s /etc/dropbear/dropbear_ecdsa_host_key ] || keygen_ecdsa local algo_version=`uci get dropbear.dropbear.AlgoVersion` [ -z "$algo_version" ] && { algo_version=0 } if [ ! -f $PATH_SSH_ALGO_VERSION ]; then touch $PATH_SSH_ALGO_VERSION echo $algo_version > $PATH_SSH_ALGO_VERSION fi # disable all client access dropbear default [ -f "/sbin/knock_functions.sh" ] && /sbin/knock_functions.sh start include /lib/network scan_interfaces config_load "${NAME}" config_foreach dropbear_start dropbear } stop() { local pid_file pid_files pid_files=`ls /var/run/${NAME}.*.pid 2>/dev/null` [ -z "$pid_files" ] && return 1 for pid_file in $pid_files; do SERVICE_PID_FILE="$pid_file" service_stop ${PROG} && { rm -f ${pid_file} } done } killclients() { local ignore='' local server local pid # if this script is run from inside a client session, then ignore that session pid="$$" while [ "${pid}" -ne 0 ] do # get parent process id pid=`cut -d ' ' -f 4 "/proc/${pid}/stat"` [ "${pid}" -eq 0 ] && break # check if client connection grep -F -q -e "${PROG}" "/proc/${pid}/cmdline" && { append ignore "${pid}" break } done # get all server pids that should be ignored for server in `cat /var/run/${NAME}.*.pid` do append ignore "${server}" done # get all running pids and kill client connections local skip for pid in `pidof "${NAME}"` do # check if correct program, otherwise process next pid grep -F -q -e "${PROG}" "/proc/${pid}/cmdline" || { continue } # check if pid should be ignored (servers, ourself) skip=0 for server in ${ignore} do if [ "${pid}" == "${server}" ] then skip=1 break fi done [ "${skip}" -ne 0 ] && continue # kill process echo "${initscript}: Killing ${pid}..." kill -KILL ${pid} done } 如何修改上述文件,让外部dropbear远程连接该样机时要在键盘区输入密码验证
最新发布
06-12
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