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Touring the top Knoppix debugging and rescue tools

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

="4096" 12 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

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Debugging the Linux kernel with the Qemu emulator

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

08 default: 09 $(MAKE) -C $(KDIR) M=$(PWD) modules 10 endif 11 12 clean: 13 rm -rf *.ko *.o *.mod.c *.mod.o modules.order 14 rm -rf Module.symvers .*.cmd .tmp

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vSphere 5 vs. XenServer 6

30.11.2025

Home » Archive » 2012 » Issue 07: Xen v... »

-shot challenger in this test, after some internal discussion, Red Hat adopted an almost Apple-like stance and refused to open up the current beta test to the press. Whereas VMware customers could run six or 12

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An IP-based load balancing solution

30.11.2025

Home » CloudAge » Articles »

backup_active = 1 05 backup = 192.168.1.232 06 heartbeat = 1 07 heartbeat_port = 539 08 keepalive = 6 09 deadtime = 18 10 network = direct 11 debug_level = NONE 12 monitor_links = 1 13 syncdaemon = 1 14

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Free backup tool for data centers

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

Password = "YdhKKoy2Huq1CVHwIR" 05 Pid Directory = "/var/run" 06 Query File = "/usr/lib/bacula/query.sql" 07 Working Directory = "/var/lib/bacula" 08 } 09 10 Fileset { 11 Name = "Full Set" 12

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SSH Administration – Windows in a Unix World

30.11.2025

Home » Archive » 2010 » Issue 0: Active... »

with ; or \g. 03 Your MySQL connection id is 3 to server version 5.0.22 01 Type 'help;' or '\h' for help. Type '\c' to clear the buffer. 01 mysql> Your connection to the MySQL server on the remote Unix

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I/O benchmarks with Fio

30.11.2025

Home » Archive » 2011 » Issue 5: Pen Te... »

the Buffer 01 [global] 02 ioengine=libaio 03 direct=1 04 filename=testfile 05 size=2g 06 bs=4m 07 08 refill_buffers=1 09 10 [write] 11 rw=write 12 write_bw_log 13 14 [read] 15 stonewall 16 rw=read 17 write

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Configuration management with Chef

30.11.2025

Home » Archive » 2010 » Issue 1: System... »

" 05 06 signing_ca_path "/var/chef/ca" 07 couchdb_database 'chef' 08 09 cookbook_path [ "/var/chef/cookbooks", "/var/chef/site-cookbooks" ] 10 11 file_cache_path "/var/chef/cache" 12 node

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Getting started with I/O profiling

30.11.2025

Home » Archive » 2012 » Issue 08: FreeNAS »

to analyze I/O patterns is that you are getting the strace output from a single application. Because I'm interested in HPC storage here, many of the applications will be MPI [12] applications, for which you

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Galera Cluster for MySQL

30.11.2025

Home » Archive » 2012 » Issue 10: Traff... »

MySQL-shared-compat-5.5.22-2.el6.x86_64.rpm rpm -i MySQL-client-5.5.22-1.el6.x86_64.rpm With CentOS 6, the following additional package is necessary: yum install openssl098e.x86_64 The easiest way

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