Infusion Technology Solutions Blog
Technology related solutions, tips, tricks, and other interesting topics
Posts Tagged ‘centos’
A Splunk server I installed was configured such that it could only communicate with hosts within the corporate network so it did not have direct internet access. This posed a problem when trying to use the “Browse Splunkbase” option in the Splunk administrator web interface. I also could not use the “iplocation” data-processing command.
This was [...]
If you notice Sendmail hanging up for many minutes while starting up at boot or while being used such as sending an email from a PHP script, it is probably a DNS lookup problem. Ensure your /etc/hosts file has the appropriate entries for your server that sendmail is running on:
127.0.0.1 [...]
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- Tags: boot, centos, dns lookup, hang, linux, php script, redhat, rhel, sendmail, unix
How to Block an IP Range with IPTables
22 Aug 2008If you want to block a range of IP addresses from accessing your CentOS server you can issue the following IPTables firewall command:
/sbin/iptables -I INPUT -m iprange –src-range 192.168.1.1-192.168.1.2.100 -j DROP
Replace “192.168.1.1-192.168.1.2.100″ with the IP range you want to block. This command only works with the IPTables firewall so if your operating system is using [...]
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- Tags: block ip, centos, deny, firewall, ip range, iptables, iptables firewall, linux, spammers
After setting up a new Linux server I kept getting the following error whenever I tried to upload something with the VSFTPD ftp service:
500 OOPS: reading non-root config file
It turns out that I had the following setting in the /etc/vsftpd/vsftpd.conf file:
user_config_dir=/etc/vsftpd/virtual_users
I commented out that setting and restarted the vsftpd service and the problem went away. [...]
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- Tags: centos, chroot, directory name, error 500, ftp, red hat, rhel, server, virtual users, vsftpd
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This blog is about technology related topics. It will primarily contain problems and solutions to IT problems that I encounter on a day-to-day basis. In addition interesting things I come across either on or off the internet will be posted here as well. I will also include step-by-step tutorials to common tasks people may need to do with their computers.
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- Don Farland: The http_proxy environment variable is case sensitive and should be all lowercase. I dropped it in [...]
- brad: I can confirm that this works for the newest 3.0+ software. works like a charm thanks to the creator [...]
- Jim Tidmore: Hello, I believe I followed everything but doesn't connect, don't get me wrong I am not complaining [...]
- Tom: Thanks for the clear and concise information. Tom [...]
- JAUHDIMATA: good solved.. thx [...]
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