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Thanks. From the page: The issue started to happen with polkit-0.112-18.el7 because of hardening made to fix security vulnerability CVE-2018-1116 In this case it is not a bug then. |
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I have the same exact problem except that proc is NOT mounted with hidepid=2. # mount | grep proc proc on /proc type proc (rw,nosuid,nodev,noexec,relatime) # rpm -qa | grep polkit polkit-0.112-26.el7.x86_64 polkit-pkla-compat-0.1-4.el7.x86_64 systemctl restart anything gives the error yet completes the requested action anyway. ** (pkttyagent:29157): WARNING **: 08:56:17.722: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject Error registering authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject (polkit-error-quark, 0) Failed to restart dts-ulog.service: Unit not found. |
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@deltatech, Will it help if you re-mount /proc per guide https://access.redhat.com/solutions/5005111 ? |
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Hi, have the same problem with the latest update. Eg: systemctl daemon-reload ** (pkttyagent:2946): WARNING **: 00:08:10.190: Unable to register authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject Error registering authentication agent: GDBus.Error:org.freedesktop.PolicyKit1.Error.Failed: Cannot determine user of subject (polkit-error-quark, 0) Helps disable the hiding of processes mount proc -o remount,hidepid=0 However, this is not full correct solution, since in operating system needs to hide processes between users for the environment used. ------------------------------- rpm -qa | grep polkit polkit-0.112-26.el7.x86_64 polkit-pkla-compat-0.1-4.el7.x86_64 uname -a Linux 3.10.0-1127.el7.x86_64 #1 SMP Tue Mar 31 23:36:51 UTC 2020 x86_64 x86_64 x86_64 GNU/Linux |
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I'm having the same problem. I just did a "yum update" and now Samba doesn't work on my CentOS 7 machine -- due to this error (the text of the error brought me to this page via Google) To follow what the last guy did: rpm -qa | grep polkit polkit-pkla-compat-0.1-4.el7.x86_64 polkit-0.112-26.el7.x86_64 uname -a Linux srv2.matthewserver.com 5.4.0-1.el7.elrepo.x86_64 #1 SMP Mon Nov 25 09:18:09 EST 2019 x86_64 x86_64 x86_64 GNU/Linux |
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Solution for me (for hidepid=2): groupadd -g 23 nohidproc usermod -a -G nohidproc polkitd mount -o remount,rw,hidepid=2,gid=nohidproc /proc systemctl restart polkit modify /etc/fstab: proc /proc proc defaults,hidepid=2,gid=nohidproc 0 0 |
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I was solved it by these steps: https://opentechy.com/how-to-fix-gdbus-errororg-freedesktop-policykit1-error-failed/ |
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I've tried that link and i got the same issue. Does anyone know how to get this fixed? |
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my problem was fixed. all you need is to disable protection on secure Process (Hide all processes if not owned by the user ) from cwp, do your commend then enable it again |
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CWP has nothing at all to do with CentOS. |
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TrevorH, It may have nothing to do with CWP but the messages stop showing up after systemctl restart postfix amavis when I did just that, disable security_UserProcess and re-enable right away. Thanks for the tip kaibacef! |
- Anonymous
