LinuxCzar

Engineering Software, Linux, and Operations. The website of Jack Neely.    

Posts

What is a Site Reliability Engineer? July 1, 2020
Open Observability: SRE Prometheus Tips June 25, 2020
A Site Reliability Engineer Series June 23, 2020
Prometheus Histograms Part 3: Using Something Else October 28, 2019
TriLUG: Observability Through the Lenses of Metrics and Events September 12, 2019
Notes on TSDBs August 20, 2019
Prometheus Alertmanager and Incident Keys June 10, 2019
Monitorama PDX 2019: 5 Neat Tricks with Prometheus June 5, 2019
Thanos and External Labels May 26, 2019
Generate Test Prometheus TSDB Data March 13, 2019
Retro Thinking February 17, 2019
Moving to ZFS from Btrfs July 9, 2018
How FreeBSD Secretly Won Open Source June 23, 2018
Interview Questions for System Administrators November 3, 2017
Histograms with Prometheus: A Tale of Woe June 15, 2017
Tenets of Microservice Monitoring May 27, 2017
Algorithms: Conflict Free Replicated Data Types January 8, 2017
Prometheus and Histograms December 31, 2016
Bandwidth Delay Product and TCP Tuning September 18, 2016
Installing Cyanite: A Scalable Graphite Storage Backend July 17, 2016
Buckytools Updates: Sparse Files, Restorations March 28, 2016
Go Vendoring with Git Subtree February 10, 2016
Algorithms: Flap Detection January 31, 2016
Analyzing or Replaying UDP Statsd Data January 29, 2016
2015 Holiday Updates December 31, 2015
Prometheus and Graphite With a Dash of InfluxDB November 29, 2015
Scaling Graphite 3: Whisper Bugs October 11, 2015
Scaling Graphite Part 2: Merging TimeSeries in the WebApp August 13, 2015
Scaling Graphite August 12, 2015
New Tool: bucky-pickle-relay July 29, 2015
Debugging Python or Deadlocks in Graphite May 27, 2015
Failure to Math: Graphite and nonNegativeDerivative May 18, 2015
Managing NTP at Scale on VMs May 2, 2015
New Website and Project Updates March 20, 2015
Whisper FSCK December 11, 2014
New Project: StatsRelay November 26, 2014
Logging with Docker 1.0.1 July 2, 2014
Packages in Their Glory June 18, 2014
Ansible and EC2 May 25, 2014
Monitoring Free Memory April 7, 2014
Thinking About Keyboards March 26, 2014
Changes March 18, 2014
Partitions: 1981 Technology We Need To Ditch October 7, 2013
Fedora 19 and Btrfs September 29, 2013
Manage grub.conf with Puppet and Augeas August 14, 2013
Red Hat Depricating Yum May 29, 2013
MoinMoin with NGINX and uWSGI April 26, 2013
NCSU FOSS Fair 2013 January 23, 2013
Things you don't want to hear at the office October 25, 2012
Securing Puppet August 21, 2012
Nginx and Passenger July 31, 2012
Fedora Secure UEFI Update June 1, 2012
Extending an LVM Volume to Its Max April 23, 2012
spacewalk-clone-by-date February 27, 2012
Altering KVM Virtual Disk Images January 31, 2012
RPM Conditional Macro Expansion January 26, 2012
Bad Experiences With Fedora January 21, 2012
Getting Started with Python and Genshi January 20, 2012
IPTables: The MARK Target January 13, 2012
Yum API: Reloading Repos January 11, 2012
Repairing Users' Accounts January 10, 2012
Configuring kdump on RHEL 6 January 6, 2012
Dumb Tricks with gPXE January 5, 2012
NCSU FOSS Fair 2012 January 3, 2012
Thoughts on gPXE January 2, 2012
Moving AFS Volumes by Name December 19, 2011
Awesome December 10, 2011
Free SSL Certificates August 7, 2011
Recovering RAID 5 Arrarys With Multiple Failed Devices August 3, 2011
Encryption Types Order in Kerberos August 1, 2011
Build Systems: Making RHEL5 Packages on RHEL6 July 28, 2011
Site Local Gconf Customizations June 20, 2011
Teaching Bcfg2 June 4, 2011
Managing Local User Accounts with Bcfg2 May 25, 2011
IPv6 May 12, 2011
Resume Updates May 7, 2011
Creating SHA512 Password Hashes March 24, 2011
OpenAFS 1.4.14 February 22, 2011
RRDTool Backups February 18, 2011
A Good Day February 7, 2011
Programming Kerberos 5 February 1, 2011
Pay For Your News January 23, 2011
NCSU FOSS Fair 2011: Feb 12th January 13, 2011
Grubby Fatal Errors, Templates, and Bugs January 10, 2011
Rebooting Isn't Learning January 9, 2011
Inserting Section Names in Latex Beamer Documents December 7, 2010
RHEL, Kerberos, and CIFS December 1, 2010
Mental Note: Generating x509 Certificates and CAs September 28, 2010
GDM and Alternate Home Directories September 17, 2010
Minor Annoynances September 3, 2010
Problems with Bcfg2 June 15, 2010
LVS: Real Servers as Clients June 14, 2010
Note to Self: Automount CIFS / AD Shares June 3, 2010
Recreating /dev May 14, 2010
RHEL Mediacheck, What When Wrong? May 3, 2010
Because it was useful March 16, 2010
RHEL 6 MIA? December 1, 2009
Fedora 12 Notes November 19, 2009
Bcf2: Controlling Groups September 21, 2009
Bcfg2: Enforcing a file's existance, not its content September 20, 2009
Finding Love with GNU Screen September 17, 2009
Bcfg2 Packages for pre5 September 2, 2009
Bitlbee August 22, 2009
Automated Expect Script to Sign RPMs August 13, 2009
IT Quotes August 13, 2009
Bcfg2 Pre4 June 26, 2009
Who maintains the kmodtool script? June 9, 2009
Using bridged networking with Virt-manager May 13, 2009
Fedorakmod Updates May 1, 2009
Quotes April 27, 2009
FedoraKmod Updates April 24, 2009
Squeezebox Classic February 28, 2009
Spamassassin Rules Example February 26, 2009
FedoraKmod Yum Plugin January 31, 2009
Welcome to the New Linux Czar January 23, 2009
LinuxCzar On the Move January 19, 2009
Watching the Train Steam Off the Cliff January 7, 2009
Found in an RPM .spec December 1, 2008
Security Incident Survey Cheat Sheet November 19, 2008
A Disturbing Trend? November 14, 2008
A Free Paradigm Shift With Each Purchase November 7, 2008
Bad Days and Good Days September 25, 2008
MetaMorph v0.2 September 6, 2008
Universities that do not use Free Software: Time for a boycott? August 31, 2008
MetaMorph August 19, 2008
More Tools August 14, 2008
Systems Administration August 7, 2008
Red Hat Summit Pub Crawl Continues! June 21, 2008
Dahyabhai Twins Together Again June 20, 2008
RPM Package Build System June 9, 2008
FedoraKmod and Yum Updates June 3, 2008
RHEL INs May 30, 2008
Lessons in RPM Packaging May 29, 2008
Wordpress? May 27, 2008
GroupWise December 16, 2007
Linux Woes November 6, 2007
RHEL 5 Vesa Bug August 29, 2007
Collecting Usage Statistics July 19, 2007
More T61 Goodness July 4, 2007
ThinkPad T61 and Fedora June 30, 2007
Configuration Management June 17, 2007
Red Hat Summit May 16, 2007
Installation Number Followup March 18, 2007
Red Hat's Installation Numbers March 17, 2007
PBR Followup February 17, 2007
Bad PBR signature February 16, 2007
Limiting HTTP Connections By IP February 4, 2007
Red Hat Open Sourcing RHN January 30, 2007
LVM and Device Mapper Multipathing January 12, 2007
Bug \#150828 January 11, 2007
The New RPM December 14, 2006
The Vision November 10, 2006
Oracle Choses Current November 5, 2006
The Apocalypse -- Who Would Have Guessed Its Me? October 28, 2006
Cups and Printing October 18, 2006
Learning Advanced SQL October 7, 2006
The Latest Updates from Linux Czardom October 6, 2006
Bad Week September 23, 2006
New Current September 18, 2006
The Spirit of the GPL September 14, 2006
Blogger Beta September 3, 2006
Current and Yum...Goodnight RHN August 2, 2006
Auto Updates July 20, 2006
SuSE June 26, 2006
Work and Stuff June 7, 2006
OpenAFS and Kernel Keyrings May 5, 2006
Bugzilla, Current, StateEngine, Work April 22, 2006
A Personal Note March 24, 2006
New StateEngine Snapshot March 12, 2006
Jabber RPC February 7, 2006
Not up2date again... February 3, 2006
Google Fun January 17, 2006
Xen and LVM Snapshots January 13, 2006
Google January 10, 2006
Physical Security December 30, 2005
The Faculty That Crossed the Line December 14, 2005
IT at the University December 8, 2005
Quota Tool for Users December 8, 2005
Adventures in Web Templating Part II November 8, 2005
Adventures in Web Templating November 3, 2005
Follow Up Notes October 31, 2005
Had I No Friends October 29, 2005
Upon No Other Suggestions October 15, 2005
StateEngine September 5, 2005
Kernel Module Packages August 19, 2005
The Future of Man Kind July 9, 2005
Lab Hell July 1, 2005
Fallout from the Red Hat Summit June 16, 2005
Depricated Commands... June 9, 2005
Red Hat Summit Goes Cajun on Your Ass June 4, 2005
Current 1.7.2 May 30, 2005
Security Secure? May 29, 2005
NFS Solutions May 26, 2005
NFS Solutions Part Duex May 26, 2005
nfs\_statfs64 May 23, 2005
RHN Satellite -- Don't Be Fooled May 20, 2005
Conary May 11, 2005
To Boldly Go Where No One Has Gone Before May 5, 2005
I Was Lied to -- RHN Satellite April 8, 2005
Current 1.5.11 February 21, 2005
Python is NOT Fortran February 21, 2005
Python Construct Parser February 12, 2005
Stupid Moments... February 8, 2005
Red Hat's Quality Products October 12, 2004
Web-Kickstart October 1, 2004
Hacking OpenAFS June 28, 2004
Kernels, PAGs, and Filesystems -- Oh My June 18, 2004
No, Mr. Faculty, You Don't Know More Than Me May 18, 2004
Linux Isn't Free -- Deal With It May 12, 2004