97%

28.07.2025

Home » Archive » 2025 » Issue 88: 5 Net... »

_port(host, port): 06 with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s: 07 s.settimeout(1) 08 try: 09 s.connect((host, port)) 10 print(f"[+] Port {port} is open") 11 except

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Monitoring network computers with the Icinga Nagios fork

30.11.2025

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

141.20.108.124 07 active_checks_enabled 1 08 passive_checks_enabled 0 09 max_check_attempts 3 10 check_command check-host-alive 11

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Beyond monitoring: Mathematical load simulation in Perl

30.11.2025

Home » Archive » 2011 » Issue 6: Perfor... »

Rate; 08 $ServerName = "Cashier"; 09 $Workload = "Customers"; 10 #------------ PDQ Model ------------ 11 # Initialize internal PDQ variable 12 pdq::Init("Grocery Store Checkout"); 13 # Modify the units used

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VMware Server 2.0 on recent Linux distributions

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

revealed the issue – the vmware-hostd process had crashed with a segmentation fault (Listing 1). Listing 1 Segmentation Fault in vmware-hostd 01 Dec 6 13:30:08 virtual kernel: [ 175

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Using Expect scripts to automate tasks

31.10.2025

Home » Archive » 2012 » Issue 12: NAS S... »

certain things. Two reasons a script 08 # might fail are: 09 # 10 # 1) timing - A surprising number of programs (rn, ksh, zsh, telnet, 11 # etc.) and devices discard or ignore keystrokes that arrive "too

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Creating an SFTP jail

30.11.2025

Home » Archive » 2011 » Issue 3: Are yo... »

-local 04 bash#> 05 bash#> pkgadd -d tcp_wrappers-7.6-sol10-sparc-local 06 07 The following packages are available: 08 1 SMCtcpdwr tcp_wrappers 09 (sparc) 7.6 10 11 Select package

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Virtualization via Zones

30.11.2025

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

@opensolaris:~# zonecfg -z web1 02 03 web1: No such zone configured 04 Use 'create' to begin configuring a new zone. 05 zonecfg:web1> create 06 zonecfg:web1> set zonepath=/zones/web1 07 zonecfg:web1> set autoboot=true 08

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Shell scripts: Equal rights for Unix derivatives and Linux

30.11.2025

Home » Archive » 2010 » Issue 2: Backup... »

-Specific PATH 01 PATH=/bin:/usr/bin:/usr/local/bin 02 case `uname -r` in 03 IRIX*) 04 PATH=$PATH:/etc/:/usr/bsd 05 ;; 06 HP-UX*) 07 PATH=$PATH:/sbin 08 ;; 09 ... 10 esac

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Tracing applications with OProfile and SystemTap

30.11.2025

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

: all cores 0x40: core: this core 0x30: prefetch: all inclusive 0x10: prefetch: Hardware prefetch only 0x00: prefetch: exclude hardware prefetch 0x08: (M)ESI: Modified 0x04: M

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Configuring the JBoss application server

30.11.2025

Home » Archive » 2011 » Issue 4: Secure... »

."; 04 String s04 = "Hello, Linux Magazine!"; 05 %> 06 07 08

<%= message%>

09

<%= s04%>

10 <%= new java

Search

<%= message%>

<%= s04%>