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89%
Monitor your nodes with collectl
30.11.2025
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Archive
»
2012
»
Issue 09: Windo...
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: 1331404720 TZ: -0500
09
# SubSys: bcdfijmnstYZCD Options: cz Interval: 10:60 NumCPUs: 4 NumBud: 3 Flags: ix 10 # Filters: NfsFilt: EnvFilt: 11 # HZ: 100 Arch: x86_64-linux-thread-multi PageSize: 4096
12
# Cpu
89%
An IT nomad's daily diary
30.11.2025
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Archive
»
2011
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Issue 6: Perfor...
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("http://spacewalk.tuxgeek.de/cobbler_api") 06 token = conn.login(user, password) 07 08 cblr_systems = '/root/cobbler.csv'
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10 if os.access(cblr_systems, os.F_OK): 11 print "Reading system configuration file %s" % cblr_systems
12
88%
Single sign-on with SSSD, LDAP, and Kerberos
30.11.2025
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Archive
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2010
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Issue 2: Backup...
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06 domains = tuxgeek 07 08 [nss]
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filter_groups = root 10 filter_users = root 11 reconnection_retries = 3
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13 [pam] 14 reconnection_retries = 3 15 16 [domain/tuxgeek] 17 auth_provider = krb5 18
88%
Checking password complexity with John the Ripper
30.11.2025
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Archive
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2011
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Issue 6: Perfor...
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/64 BS]... DONE 07 Many salts: 45898 c/s real, 45898 c/s virtual 08 Only one salt: 45108 c/s real, 45186 c/s virtual
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10 Benchmarking: FreeBSD MD5 [32/64 X2]... DONE 11 Raw: 10995 c/s real, 10995
88%
Debugging the Linux kernel with the Qemu emulator
30.11.2025
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Archive
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2012
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Issue 07: Xen v...
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08 default:
09
$(MAKE) -C $(KDIR) M=$(PWD) modules 10 endif 11
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clean: 13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order 14 rm -rf Module.symvers .*.cmd .tmp
88%
Touring the top Knoppix debugging and rescue tools
30.11.2025
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2010
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Issue 0: Active...
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="4096"
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13 # Last offset to try 14 final_offset="$(du -b "$DEV" | cut -f 1)" 15 16 # A free loop device 17 LOOP="/dev/loop2" 18 19 # Start 20 offset=0 21
22
while [ "$offset" -lt "$final_offset" ]; do
88%
Julia: A new language for technical computing
30.11.2025
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2012
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Issue 10: Traff...
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.33 164.69 0.75 rand_mat_stat 3.37 39.34 11.64 54.54
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.07 8.
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rand_mat_mul 1.00 1.18 0.70 1.65 8
87%
I/O benchmarks with Fio
30.11.2025
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2011
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Issue 5: Pen Te...
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the Buffer 01 [global] 02 ioengine=libaio 03 direct=1 04 filename=testfile 05 size=2g 06 bs=4m 07 08 refill_buffers=1
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10 [write] 11 rw=write
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write_bw_log 13 14 [read] 15 stonewall 16 rw=read 17 write
87%
Configuration management with Chef
30.11.2025
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Archive
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2010
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Issue 1: System...
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" 05 06 signing_ca_path "/var/chef/ca" 07 couchdb_database 'chef' 08
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cookbook_path [ "/var/chef/cookbooks", "/var/chef/site-cookbooks" ] 10 11 file_cache_path "/var/chef/cache"
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node
87%
An IP-based load balancing solution
30.11.2025
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backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539 08 keepalive = 6
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deadtime = 18 10 network = direct 11 debug_level = NONE
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monitor_links = 1 13 syncdaemon = 1 14
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