Struggling with old infrastructure
<!-- SC_OFF --><div class="md"><p>Hello guys<br/> Today I've joined a new team in a association who deliver services to small companies, one of best way to have cheap...
View ArticleELK server slow after running -XDELETE command on an index?
-----SOLVED-----solution - apparently Filebeat stores the "offset" in a registry file (/var/lib/filebeat/registry) that must be deleted in order to get filebeat to start pumping data from log files...
View Articlescreen - No more PTYs
I have a recurring issue on two SLES 11 servers where users cannot create screen sessions. Screen returns: "no more PTYs"I say recurring because remounting /dev/pts fixes the issue--for a week or...
View ArticleLooking for help on setting up a QA environment with Apache's virtualhost
Hello everyone,At my new job, I've been tasked with setting a new environment for our Q.A. team. The objective is to obtain a single dynamic Apache virtualhost that can point to different releases of a...
View ArticleWhat tool(s) do you use for infrastructure and application monitoring?
We are investigating a new monitoring solution in order to incorporate application monitoring in addition to the typical infrastructure monitoring.I'm curious if there is a consensus of the tools that...
View ArticleCan I use 4kn drives with VMWare?
Long story short I'm stuck with 4kn SAS drives and need to get ESXi 6.0U1 working on it quickly. The 4 drives are 1.6TB and I have an Avago raid controller using LSI 3108 hardware raid chips. Can...
View ArticleSeriously Struggling with Logstash
Hey Folks, I'm quite stumped with the syntax and general flow of creating a working logstash configuration.I've a simple syslog server filled with various syslog logs. I was hoping it would be...
View ArticleChef/AWS Simplifiers (X-Post from /r/sysadmin)
Working with Opscode Chef has it's own issues. As I've been automating everything lately, I've decided to share some of my simplifiers. Some require that you have AWS-CLI installed, others merely...
View ArticleHow did you make the transition from manual configuration to a configuration...
How did you make the transition from manual configuration to a configuration management system? Either in your home lab or the enterprise. submitted by /u/Oflameo[link][22 comments]
View ArticleWhat's a good network file server for many small ephemeral files?
I have several servers that need to share about 9 million files that take about 3TB. Many of the files exists for only seconds. GlusterFS is currently being used, but it's not performing well. There's...
View ArticleSuggestions for what to learn if I want to get into DevOps?
I am an experienced PHP developer that has always been given the role of also administering the Linux servers at the small companies I've worked for (but it's never been my main role). I like that...
View ArticleNewbi questions
Hello, I'm new to the Linux Admin, i used to play with cpanels/linux from time to time. and now im thinking make it as a feature job for me. So far i been self teaching through online books/tutorials....
View ArticleChrony Thinks It's 1970!?!?
I started getting weird logs on my database and realized the OS date is not correct:Last login: Thu Jan 1 00:02:18 1970 from 192.168.1.96 [cachedrive@db1 ~]$ date Thu Jan 1 00:42:11 UTC 1970 <---...
View ArticleBackup Software Suggestions
I'm looking for a backup solution for ~400 servers and VM's(and quickly growing) RHL 6 & 7, Cent 5,6,7, Ubuntu 12.04 & 14.04. Mostly looking to do file and database(mysql, postgress) backups,...
View ArticleWhat are these host keys I see in sshd_config in Debian?
In debian 8 and Raspbian 8 alike, in the /etc/ssh/sshd_config file I see uncommented Hostkey entries that look like this(commented) HostKeys for protocol version 2HostKey...
View ArticleSynology NAS ssh/scp with local and LDAP user
Hello I want copy some files from one host to synology NAS with ssh (scp, rsync) but it promnt permission denied (all permission on read/write to folder are enabled)So problem can be solved by changing...
View ArticleMounting NFS export vs SAN mounted as NFSv4
I've tried searching around for an answer on this, and not sure if I'm asking the question wrong or if I just suck at googling.We have a requirement at work to mount shared storage as NFSv4 for a picky...
View ArticleChanges in CentOS 7.
I've recently started studying to get some certifications (RHCE/LPIC) so I can hopefully get a junior sysadmin position and stop doing tech support. I've been using linux for well over 10 years. Last...
View ArticleWhat to do when you've been hacked?
No, we haven't been hacked. ;) We have a prospective client who is asking us what our policy is in the event of unauthorized access. Obviously you fix the system(s) that have been compromised, but what...
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