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Why SELinux is inherently complex

submitted by /u/speckz [link] [comments]

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Gui to .conf translation for winbind settings

Hi all. I am following this guide. What are the .conf file step 1,2,3,4,5,6(all the gui) is touching? For step 2, I disable nis and ldap and enable winbind. I know for a fact they touch krb5.conf, what...

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augeas in a loop not working

why my /tmp/tester is empty? I expect: Hello foo he is here Hello boo he is here Hello wee he is here Hello haa he is here $array = ['foo','boo','wee','haa'] $array.each |String $arr|{ augeas {"tmp...

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HAProxy/Keepalived and DNS

We have some HAProxy/keepalived clusters we manage with ansible. We noticed that although ansible reported it was making changes the changes were not taking effect on the servers. We found that the...

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Thought some of you might like this as much as I do, so wrote a post:...

submitted by /u/_dev_random_ [link] [comments]

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Anybody running CentOS 6.8 yet?

I think only crazy people would have 6.8 in production already but anything upgraded their test systems?If so did you run into any issues or gotchas?Also how long do you normally wait to rollout the...

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Random question regarding sshd_confg, winbind, and routing

1) sshd_config: How can I use the uid and gid number when defining AllowUsers and AllowGroups? 2) winbind: I join my machines to an AD/DC using winbind. However, all users have the same GID/group which...

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[HELP, URGENT!!!!!] can't ping private subnet!!!

EDIT resolved. thank god. Apparently, the switch is too old, I keep escalating and after a switch replacement everything is working as intended. so I have em2(192.168.57.0/24), which is connected to a...

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Users belonging in mutiple groups cannot access group sharing.,

I add group test2 in test1, I want test2 being able to access test2's files. However, it seems I cannot do that. I do not prefer to change test1's gid to test2. I would like to keep it the current way...

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Gru - Orchestration made easy with Go

submitted by /u/dnaeon [link] [comments]

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How many of you actually run AV on your servers?

I'm trying to get an idea of how common it is to run Anti Virus software on your servers. I think PCI/HIPAA requires it, but if you weren't required, would you actually use it? submitted by...

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HAProxy remembering old nonexistent backend

This is so bizzare. I've got an HAProxy dedicated VM. I had a backend setup previously with multiple servers and have since removed it from the configuration entirely.I added a new backend, reloaded...

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nfs no route to host. [Centos5/rhel5]

I have 3, machines. 1 fileserver (centos7), 2 fileclient(centos7 and rhel5)In the fileserver I have already did firewall-cmd --permanent --zone=public --add-service=nfs and reloaded it. My centos 7...

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Box how to route traffic correctly.

I have a boxA with 2 connection, one is connected to outside WAN and one is connected to a switch. 1 public and 1 private 10.54.50.1/24(em1) and 98.125.271.187(em2). I have another box, boxB which is...

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Your use of non-UGW permission features in production

Hi All,I'm prepping for my RHCSA, and was reading up on ACL's and setting alternate umask values. I understand how the commands work, but it seems like I would rarely use these. Can you think of any...

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tmuxp - tmux session manager written in python goes 1.0

submitted by /u/git-pull [link] [comments]

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How to set permission on oddjob_mkhomedir?

In /etc/pam.d/system-auth I have the following line.session required pam_oddjob_makehomedir.so skel=/etc/skel umask=007When I ssh into localhost with a specific user I expect the home dir to be 770,...

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Roundcubemail "Must issue a STARTTLS command first" when testing config

Hey guys, I have a Postfix + Dovecot + Spamassassin + Amavisd-new mail setup on Slackware (using SSL so I do not use the 143 and 145 ports but rather 993 and 996) which I know works fine as...

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Use atop for Linux server performance analysis, here's why.

submitted by /u/speckz [link] [comments]

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Network troubleshooting

Hi all, I am rather weak in networking because I don't get to control any switches. When trouble shooting connection between two machines, if machine A cannot ping Machine B, does that mean there's...

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