System Administrators & Developers stories...
Hello there... I'm opening this topic, not to find a solution or the "correct" way of doing things but rather having a sysadmin gathering, were we can all tell our stories.Many times in the past I...
View ArticleDid any one know the reason for this alert and how can we prevent this alert?
Message from syslogd@xxx at Dec 8 12:42:08 ... kernel:nf_ct_ftp: dropping packetIN= OUT=eth1 SRC=x.x.x.x DST=x.x.x.x LEN=65 TOS=0x10 PREC=0x00 TTL=64 ID=61200 DF PROTO=TCP SPT=21 DPT=3387 SEQ=746251218...
View ArticleMail Administration Help
Does anybody know of any web interfaces for postfix? I'm looking to be able to host email for multiple domains, and preferably manage it with ease once it's been set up.To be fair, it doesn't have to...
View ArticleRunning FSCK during a drive rebuild.
Hello! Hoping you all could help solve a debate here in my office.We had a RAID-6 array lose one hard drive the other week. At the same time, the filesystem was also going read-only. While the RAID was...
View ArticleKeeping servers updated?
I have a small but growing personal fleet of Debian servers that I want to keep updated on a regular basis and wondered what the best route was to go with doing this, whether automated or...
View ArticleSwap/Page writes/reads as estimation of needed RAM
Hi,I have a Linux server with Oracle database, which started to appear in our BMC Patrol monitoring as writing and reading memory pages. From what I already investigated and read in the internet it's...
View ArticleCreated an Access Point with ISC-DHCP-Server
I've setup a raspberry pi up as a BIND9/ISC-DHCP-Server with DDNS configured and working great. However, I am also hoping to set this same box up as a wirless AP. I have a compatible USB dongle but am...
View ArticlePost-CentOS 6.5 Update - Apache, SSH, and a few others no longer start...
OpenVZ virtual machine, kernel Linux 2.6.32-042stab078.27 on x86_64. Updated to CentOS 6.5 and everything went smooth. Rebooted, now SSH and Apache will not start automatically. Used to be happy as a...
View ArticleBetter to mount a desktop-NAS from all hosts? or from one host and export it?
I have a home-lab with 11 VM's (on 4 physical hosts) that connect to my NAS. As far as I've figured out so far, I can only mount it via cifs.My question is: Should I mount all my hosts directly to it?...
View ArticleTIP: 7-zip's XZ compression on a multiprocessor system is often faster and...
Hey folks, thought I'd share this little bit of info I discovered. For the longest time I've been using pigz (a gzip program which takes advantage of multicore capability) to compress my database...
View ArticleWhat are you thoughts about Backup Solutions for Linux Environments?
As a person that is supporting a linux environment, I wanted to know a couple of things:What are you favorite B/U solutions?, What do you like about it, What are some other considerations that you...
View ArticleFedora/RHEL (and similar) users I need your input
I'm putting together a cheat sheet for Yum. I have a collection of things I always seem to need go and lookup (listing the files in a package is the one I always forget).What things do you guys find...
View Article(Debian) Need help understanding PAM configurations...
I'm trying to set up Google Authenticator for a couple of our production servers and, while I got it working, I don't really understand why it works with the config I have and why it didn't work with...
View ArticleTrouble with exim4 routing email outside of local domain to external MX server
I've got a little hobbyist webserver that I'm configuring and all is working really well except error reports produced by the framework aren't being routed properly.I can't find a concise answer on how...
View ArticleDDNS not removing records
I know this is a little specific but I'm hoping some DNS guru might be able to help me :)I'm running bind9 and isc-dhcp-server on a raspberry pi to handle local dns for my home network. I've set this...
View ArticleDisable access logging for 444 response?
Is there a way to do this? I'm dealing with a GET flood, I wrote a quick script to blacklist the spam IPs, and also set up a 444 response for the request they were making. Access log fills pretty fast...
View ArticleHow to setup a separate email server for testing?
I have just started working for a small manufacture which has its own email server (Ubuntu 9). This system has worked well for them for years but has started having problems with spam. I looked into...
View ArticleWordpress vs Drupal vs Django vs Other
I need to develop a simple site management framework with some minimum viable content. Things like a blog, donation page and maybe some embedded charts showing server uptime. I'm planning on running...
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