How to bypass systemd "start request repeated too quickly"
qxlab asked: I’m playing around with CHEF in a CentOS7 VM, and the script failed due to the issue: systemd[1]: start request repeated too quickly for fail2ban.service I know this …
Strange behavior with fail2ban when permanently banning IPs
J D asked: As per documentation, setting jail bantime to a negative value should result in a permanent ban. However once that is done, the following behavior changes, compared to …
Install multiple PHP on CentOS 6.10
NetworkNewbie asked: I have PHP 7.0 on my VPS with CentOS 6.10 and there is an application that needs PHP 7.1 and above. Also, there’s a separate application that uses …
Installing GD Library on Centos 6.7 and PHP 5.4
keeg asked: Versions: centos-release-6-7.el6.centos.12.3.x86_64 PHP 5.4.45 Installed GD using yum: $ yum install php54w-gd Installed: php54w-gd.x86_64 0:5.4.45-2.w6 Restarted: $ service httpd restart Checked Running: $ rpm -qa | grep php …
Centos 7 snmp port always closed
Matias Barrios asked: So, I have a Centos 7 server in which I opened up ports for snmp connections. The thing is even though I can see the ports open …
Constant ACPI errors in /var/log/messages on Centos 6.10
Codemonkey asked: /var/log/messages is full of this, occurring every second. I can see this has been going on for at least 4 days but any older logs have been purged. …
yum Cannot open: oracle-instantclient11.2-basic-11.2.0.4.0-1.x86_64.rpm. Skipping
akaphenom asked: I am following this article on installing the oracle client RPMs on a CentOs 6.x server using yum localinstall.for some reason yum cannot open the RPMs – and …
550 No RDNS entry for my ip (in reply to RCPT TO command)
Pedro Frazão asked: Some recipients are making RDNS verification to my mail server and being refused. I have a CentOS VPS with my website and mail server for my business. …
Client did not present a certificate (Postfix)
David A asked: I have postfix SMTP relay which have been configured with TLS option. Now just realized when sending email to gmail (for example) using Microsoft outlook,found out this …
How to list all services linked to libwrap.a (tcp wrappers)
Yew Hang asked: I know most Linux network services are linked to libwarp.a (tcp-wrappers) and this can be check via the ldd command. But can’t seem to find how to …