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    initrc_t bash: /etc/init.d/network: /bin/bash: bad interpreter: Permission denied

    Hello, on my CentOS 7.6 with SELinux enforcing I faced with the issue: # id uid=0(root) gid=0(root) groups=0(root) context=sysadm_u:sysadm_r:sysadm_t:s0-s0:c0.c1023 #ls -lZ /etc/init.d/network -rwxr-x---. root root system_u:object_r:initrc_exec_t:s0 /etc/init.d/network # /etc/init.d/network...
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    su issues for non-root user if SELinux is on

    Hello, I have a common user on my RHEL 7.6 server and when SELinux is off, su command works for it. But when SElinux is on, su command doesn't work anymore. In the PAM sources I found that a special command unix_chkpwd is used to check the password if SELinux is on. This command has a code...
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    tail utility doesn't work as expected

    Hello, I start monitoring is process alive using tail utility by tail -Fn0 --pid=11111 /opt/mylogfile.log Process with PID 11111 was restarted and now this process has other PID 22222 but I still see that tail continue monitoring for process with PID 11111. Could it be a tail issue? Icheck...
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    Lost UDP fragments

    On my PC I have an issue related to UDP: when snmp bulk request comes and response size is larger than MTU (1500), UDP packet fragmented but only the first part is sent to network. I get a traffic dump on the PC and see the only the first fragment is transmitted. It looks like other parts of UDP...