我不知道是什么应用程序每 15 分钟要求输入一次 root 密码。有什么办法可以解决吗？我收到一个屏幕“需要身份验证”，“需要身份验证才能更改您自己的用户数据”。
PID TTY STAT TIME COMMAND
25605 ? Ss 0:00 upstart --user
25687 ? Ss 0:01 dbus-daemon --fork --session --address=unix:abstract=/tmp/dbus-pt2NBKK8ZA
25697 ? Ss 0:00 /usr/lib/x86_64-linux-gnu/hud/window-stack-bridge
25698 ? Ss 0:00 upstart-event-bridge
25707 ? SLl 0:03 gnome-keyring-daemon --start
25708 ? Sl 0:01 /usr/lib/x86_64-linux-gnu/bamf/bamfdaemon
25729 ? Sl 0:00 /usr/lib/at-spi2-core/at-spi-bus-launcher
25734 ? S 0:00 upstart-dbus-bridge --daemon --session --user --bus-name session
25738 ? S 0:00 upstart-dbus-bridge --daemon --system --user --bus-name system
25740 ? S 0:00 upstart-file-bridge --daemon --user
25748 ? S 0:00 /bin/dbus-daemon --config-file=/etc/at-spi2/accessibility.conf --nofork --print-address 3
25757 ? Sl 0:00 /usr/lib/at-spi2-core/at-spi2-registryd --use-gnome-session
25761 ? Sl 0:00 /usr/lib/gvfs/gvfsd
25767 ? Sl 0:00 /usr/lib/gvfs/gvfsd-fuse /run/user/1000/gvfs -f -o big_writes
25776 ? Ssl 0:07 /usr/bin/ibus-daemon --daemonize --xim
25792 ? Sl 0:00 /usr/lib/ibus/ibus-dconf
25793 ? Sl 0:00 /usr/lib/ibus/ibus-ui-gtk3
25796 ? Ssl 0:00 /usr/lib/gnome-settings-daemon/gnome-settings-daemon
25798 ? Sl 0:01 /usr/lib/ibus/ibus-x11 --kill-daemon
25805 ? Ssl 0:00 gnome-session --session=gnome
25829 ? Sl 0:01 /usr/lib/ibus/ibus-engine-simple
25881 ? S<l 0:31 /usr/bin/pulseaudio --start --log-target=syslog
25918 ? Sl 0:00 /usr/lib/gnome-settings-daemon/gsd-printer
25922 ? Rl 3:45 /usr/bin/gnome-shell
25961 ? Sl 0:00 /usr/lib/gnome-shell/gnome-shell-calendar-server
25967 ? Sl 0:00 /usr/lib/evolution/evolution-source-registry
25972 ? SLl 0:00 /usr/lib/gnome-online-accounts/goa-daemon
25974 ? Sl 0:00 /usr/lib/gvfs/gvfsd-metadata
25982 ? Sl 0:00 /usr/lib/telepathy/mission-control-5
25992 ? Sl 0:00 /usr/lib/gvfs/gvfs-udisks2-volume-monitor
25998 ? Sl 0:00 /usr/lib/gvfs/gvfs-gphoto2-volume-monitor
26003 ? Sl 0:00 /usr/lib/evolution/evolution-calendar-factory
26005 ? Sl 0:00 /usr/lib/gvfs/gvfs-afc-volume-monitor
26010 ? Sl 0:00 /usr/lib/gvfs/gvfs-goa-volume-monitor
26014 ? Sl 0:00 /usr/lib/gvfs/gvfs-mtp-volume-monitor
26018 ? Sl 0:10 nautilus -n
26025 ? SNl 0:00 /usr/lib/tracker/tracker-extract
26030 ? SNl 0:00 /usr/lib/tracker/tracker-miner-fs
26033 ? Sl 0:00 /usr/lib/tracker/tracker-store
26069 ? Sl 0:00 /usr/lib/gvfs/gvfsd-trash --spawner :1.8 /org/gtk/gvfs/exec_spaw/0
26130 ? Sl 0:00 /usr/lib/gvfs/gvfsd-burn --spawner :1.8 /org/gtk/gvfs/exec_spaw/1
26139 ? Sl 0:34 /home/raza/.dropbox-dist/dropbox-lnx.x86_64-2.10.52/dropbox /newerversion
26237 ? SLl 1:35 /opt/google/chrome/chrome
26245 ? S 0:00 cat
26246 ? S 0:00 cat
26248 ? S 0:00 /opt/google/chrome/chrome-sandbox /opt/google/chrome/chrome --type=zygote --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384
26249 ? S 0:00 /opt/google/chrome/chrome --type=zygote --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384
26253 ? S 0:00 /opt/google/chrome/chrome-sandbox /opt/google/chrome/nacl_helper
26254 ? S 0:00 /opt/google/chrome/nacl_helper
26256 ? S 0:00 /opt/google/chrome/chrome --type=zygote --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384
26259 ? S 0:00 /usr/lib/x86_64-linux-gnu/gconf/gconfd-2
26276 ? Sl 0:54 /opt/google/chrome/chrome --type=gpu-process --channel=26237.0.2096599178 --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384 --supports-dual-gpus=false --gpu-driver-bug-workarounds=1,15,22,34,38 --disable-accelerated-video-decode --gpu-vendor-id=0x1002 --gpu-device-id=0x683d --gpu-driver-vendor=ATI / AMD --gpu-driver-version=14.201.1006.1002 --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384
26454 ? Sl 0:00 /opt/google/chrome/chrome --type=renderer --enable-deferred-image-decoding --lang=en-GB --force-fieldtrials=ChromeSuggestions/Default/DomRel-Enable/enable/EnhancedBookmarks/Default/ExtensionContentVerification/Enforce/ExtensionInstallVerification/None/GCM/Enabled/NewProfileManagement/OldAvatarMenu/OmniboxBundledExperimentV1/StandardR4/PasswordGeneration/Disabled/Prerender/PrerenderControl/QUIC/Disabled/RememberCertificateErrorDecisions/Default/SafeBrowsingIncidentReportingService/Default/SettingsEnforcement/no_enforcement/UMA-Dynamic-Binary-Uniformity-Trial/default/UMA-New-Install-Uniformity-Trial/Experiment/UMA-Population-Restrict/normal/UMA-Session-Randomized-Uniformity-Trial-5-Percent/group_17/UMA-Uniformity-Trial-1-Percent/group_68/UMA-Uniformity-Trial-10-Percent/group_09/UMA-Uniformity-Trial-100-Percent/group_01/UMA-Uniformity-Trial-20-Percent/group_02/UMA-Uniformity-Trial-5-Percent/group_04/UMA-Uniformity-Trial-50-Percent/group_01/VoiceTrigger/Install/ --enable-crash-reporter=CD0EA585-317B-437E-CB75-1466EF82B384 --extension-process --enable-webrtc-hw-h264-encoding --enable-offline-auto-reload --enable-offline-auto-reload-visible-only --enable-delegated-renderer --enable-impl-side-painting --num-raster-threads=1 --disable-accelerated-video-decode --channel=26237.20.486090337
26734 ? S 0:00 /bin/sh /opt/idea/bin/idea.sh
26934 ? Sl 0:00 /opt/google/chrome/nacl_helper
27003 ? Sl 0:00 zeitgeist-datahub
27004 ? Sl 0:17 /usr/bin/python /opt/extras.ubuntu.com/variety/bin/variety
27009 ? Sl 0:00 /usr/bin/zeitgeist-daemon
27016 ? Sl 0:00 /usr/lib/x86_64-linux-gnu/zeitgeist-fts
27018 ? S 0:00 /bin/cat
27081 ? Sl 0:00 /usr/lib/dconf/dconf-service
27275 ? Sl 0:00 /usr/lib/evolution/3.12/evolution-alarm-notify
27344 ? Sl 0:00 update-notifier
27478 ? Sl 0:00 /usr/lib/x86_64-linux-gnu/deja-dup/deja-dup-monitor
27489 ? Sl 0:27 spotify
27505 ? S 0:00 spotify
27506 ? S 0:00 /opt/spotify/spotify-client/Data/SpotifyHelper --type=zygote --no-sandbox --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data
27542 ? Sl 0:02 /opt/spotify/spotify-client/Data/SpotifyHelper --type=renderer --js-flags=--harmony-proxies --no-sandbox --lang=en-US --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data --disable-accelerated-2d-canvas --disable-accelerated-video-decode --channel=27489.1.513915981
27545 ? Sl 0:00 /opt/spotify/spotify-client/Data/SpotifyHelper --type=renderer --js-flags=--harmony-proxies --no-sandbox --lang=en-US --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data --disable-accelerated-2d-canvas --disable-accelerated-video-decode --channel=27489.2.92972771
27548 ? Sl 0:00 /opt/spotify/spotify-client/Data/SpotifyHelper --type=renderer --js-flags=--harmony-proxies --no-sandbox --lang=en-US --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data --disable-accelerated-2d-canvas --disable-accelerated-video-decode --channel=27489.3.1854564320
27566 ? Sl 0:01 /opt/spotify/spotify-client/Data/SpotifyHelper --type=renderer --js-flags=--harmony-proxies --no-sandbox --lang=en-US --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data --disable-accelerated-2d-canvas --disable-accelerated-video-decode --channel=27489.4.1543385018
27584 ? Sl 0:19 /opt/spotify/spotify-client/Data/SpotifyHelper --type=gpu-process --channel=27489.5.1014988432 --no-sandbox --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data --supports-dual-gpus=false --gpu-driver-bug-workarounds=0,19 --gpu-vendor-id=0x1002 --gpu-device-id=0x683d --gpu-driver-vendor=ATI / AMD --gpu-driver-version=14.201.1006.1002 --lang=en-US --locales-dir-path=/opt/spotify/spotify-client/Data/locales --log-severity=disable --resources-dir-path=/opt/spotify/spotify-client/Data
27645 ? Sl 0:01 gnome-terminal
27651 ? S 0:00 gnome-pty-helper
27652 pts/5 Ss 0:00 bash
27766 ? Sl 2:51 /usr/bin/vlc --started-from-file /media/raza/New_Volume/Node/Building AngularJS and Node.js Apps with the MEAN Stack/02. Creating a Walking Skeleton/04. Installing Clientside Dependencies with Bower.mp4
28377 ? Sl 6:20 /usr/lib/jvm/java-7-oracle/bin/java -Xms128m -Xmx750m -XX:MaxPermSize=350m -XX:ReservedCodeCacheSize=225m -ea -Dsun.io.useCanonCaches=false -Djava.net.preferIPv4Stack=true -Djsse.enableSNIExtension=false -XX:+UseConcMarkSweepGC -XX:SoftRefLRUPolicyMSPerMB=50 -Dawt.useSystemAAFontSettings=lcd -Djb.vmOptionsFile=/opt/idea/bin/idea64.vmoptions -XX:ErrorFile=/home/raza/java_error_in_IDEA_%p.log -Xbootclasspath/a:/opt/idea/bin/../lib/boot.jar -Didea.paths.selector=IntelliJIdea14 -Djb.restart.code=88 com.intellij.idea.Main
28415 ? S 0:00 /opt/idea/bin/fsnotifier64
28547 pts/2 Ss+ 0:00 /bin/bash --login
29740 ? Sl 0:00 /usr/bin/node --debug-brk=47293 --nolazy server.js
29843 pts/5 R+ 0:00 ps -x
答案1
xlsclients -a -l在弹出窗口处于活动状态时尝试。 man xlsclients（您应该阅读）开始：
NAME
xlsclients - list client applications running on a display