The Big Damn Linux Tools List

Contents 1 Bandwidth Shapers 2 MySQL 3 Inventory/CMDB 4 Security 4.1 2 Factor Auth 5 Filesystems 6 Performance Metric Graphing 7 System Automation 8 Load Balancers 9 High Availability and fail over 10 Top Tools 11 Statistics Tools 12 /proc fs 'n' you 12.1 Online Guides 13 General Tools 14 CentOS / RHEL Repos 15 Backup Tools/software 16 MySQL Tools 16.1 Perf Analysis 17 Benchmark Toolsets 17.1 Clusters 17.2 General Load Creation 17.3 Bind (DNS) 17.4 MySQL 17.5 Filesystem / Harddrive 17.6 Suites 17.7 Email 17.8 Apache 17.9 Asterisk 17.10 Network 17.11 CPU

Bandwidth Shapers

• Trickle - http://monkey.org/~marius/pages/?page=trickle
• tc

MySQL

• Toolset for MySQL with lots of excellent tools for things like replication among others: http://www.percona.com/

Inventory/CMDB

• nVentory

Security

• lcap - RPMFORGE (Kernel Hardening)

2 Factor Auth

• RSA
• YubiKey

Filesystems

• OrangeFS
• GlusterFS
• XFS
• ReiserFS
• PVFS
• GFS/GFS2
• Lustre
• HekaFS (aka CloudFS)
• ceph (distributed network storage and file system)

Performance Metric Graphing

• Munin
• Cacti
• MRTG
• PCP
• Monitorix
• Collectd
• Zabbix
• Scout - Not Free
• Zenoss

System Automation

• CFEngine
• Puppet
• BCFG2
• Chef

Load Balancers

• LVS

http://kb.linuxvirtualserver.org/wiki/Main_Page

http://www.austintek.com/LVS/LVS-HOWTO/mini-HOWTO/LVS-mini-HOWTO.html

• Heartbeat
• Pound
• Varnish
• nginx
• haproxy
• BalanceNG - Layer2 (Ethernet) Load balancer

High Availability and fail over

• Keepalived

Top Tools

• dstat - RPMFORGE - Swiss Army Knife of top tools, one every sysadmin needs installed! NOTE: The RPMFORGE version has more built in plugins so I recommend it over the base version.
• iptstate - Base OS - IPTABLES State TOP
• atop - RPMFORGE - excellent system overview basically a sar-like top.
• slabtop - base OS
• top - base OS
• htop - RPMFORGE
• apachetop - RPMFORGE
• iftop - RPMFORGE
• dnstop - RPMFORGE
• mtop (MySQL) - RPMFORGE - Outdated but useful to compare vs mytop
• mytop (mysql) - RPMFORGE - MySQL top
• nettop - RPMFORGE
• ntop - RPMFORGE - VERY intense network stats grabber with DB backend support
• iotop - base OS RHEL6 / RPMFORGE - Very nice top for Disk IO!
• virt-top - base OS RHEL6 - great KVM monitoring tool
• ftop - RPMFORGE - RHEL6 (RHEL5?) show progress of open files and file systems
• tcptrack - RPMFORGE
• powertop - base OS RHEL6 - shows power usage in detail

Statistics Tools

• vmstat - Base OS - http://cherry.world.edoors.com/CU0LauKNejGY
• iostat - sysstat - http://cherry.world.edoors.com/Cdx6RbRHlOjQ
• nfsiostat - Base OS (nfs-utils)
• collectl - Source
• vnstat
• lnstat - unified linux network statistics

• lnstat -f rt_cache -c -1 - constant monitor or Routing Table Cache (like rtstat from days gone by)

• nstat
• mongostat - part of mongodb package.

/proc fs 'n' you

• /proc/stat
• /proc/diskstats

Online Guides

• http://www.linuxinsight.com/proc_filesystem.html

General Tools

• ipcs - Base OS - info on shared memory segments,message queues, and semaphore arrays
• dcfldd - dd replacement with lots of new features ! find it at : http://dcfldd.sourceforge.net

CentOS / RHEL Repos

REPO followed by highlights (if any)

• El Repo
• RPMForge / Dag
• EPEL
• Les RPM de Remi
• The Fleming Gent
• webtatic
• jasonlitka
• IUS

Mod_Security

Backup Tools/software

• Dar
• Synbak
• BAkula
• Rsync
• Unison
• Csync
• rdiff-backup
• rsnapshot - Based on rsync

MySQL Tools

Perf Analysis

• mysqltuner
• mysql-tuning-primer

Benchmark Toolsets

Clusters

• IO iometer

General Load Creation

• slamd

Bind (DNS)

• queryperf (comes with bind source)

MySQL

• mysqlslap - More of a load simulator but a default MySQL package.
• sysbench http://sysbench.sourceforge.net/

Filesystem / Harddrive

• IOZone
• Tiobench - RPMFORGE
• VDbench
• Bonnie++ - RPMFORGE
• dt
• fio - RPMFORGE fio example configs
• fs_mark

Suites

• Phoronix - http://www.phoronix-test-suite.com/?k=pts_desktop_live
• sysbench - http://sysbench.sourceforge.net/

Email

• Postal - http://doc.coker.com.au/projects/postal/
  • Examples

• time smtp-source -c -N -l 300 -t $your-full-email-address -s 200 -m 300 filter03

• smtp-source (Postfix) - Default Package in CentOS
• xstress -

Apache

• ab - Part of the Apache RPM
  • Examples :

• ab -n 5000 -c 2500 -t 10 http://powerpointsermons.com/info.php (NOTE you have to do ulimit -n $numberover 3000 to run this benchmark)

• FunkLoad - [1]

Asterisk

• sipp - http://sipp.sourceforge.net/ims_bench/reference.html#Obtaining+the+source+code
  • Examples :

Network

• iperf - yum install iperf-2.0.4-4.el5.x86_64
  • Examples :

• nuttcp - http://wcisd.hpc.mil/nuttcp/Nuttcp-HOWTO.html

CPU

• Compile Kernel
• openssl speed