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Shell scripts: Equal rights for Unix derivatives and Linux

30.11.2025

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

server.examplenet.com (192.168.5.6): icmp_seq=2. time=0.344 ms 64 bytes from server.examplenet.com (192.168.5.6): icmp_seq=3. time=0.256 ms ^C ----server PING Statistics---- 4 packets transmitted, 4

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Password protection with Phpass

30.11.2025

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

; in other words, Phpass would run the hash function 28 times (in other words, 256 times) in this example. The highest possible value is 31. If the second parameter is set to TRUE, Phpass will always use

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Virtualization via Zones

30.11.2025

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

System (output follows) 09 DOWNLOAD PKGS FILES XFER (MB) 10 Completed 20/20 3021/3021 42.55/42.55 11 12 PHASE

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Hunt down vulnerabilities with the Metasploit pen-testing tool

28.11.2021

Home » Archive » 2021 » Issue 66: Inci... »

can use to test security vulnerabilities, enumerate networks, execute attacks, and evade detection" [1], has been written up in a number of books. Linux Magazine reported more than 12 years ago [2

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File Compression for HPC

10.11.2021

Home » HPC » Articles »

the extension .lz4 to the compressed file, indicating the method of compression. lz4 has 12 compression levels (1 -12 ). For maximum compression, use: $ lz4 -12 file.data You can also enable ultrafast

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Infrastructure as Code with Terraform

18.02.2018

Home » Archive » 2018 » Issue 43: Real... »

public_key = "${file("${var.ssh_pub_key}")}" 07 } 08 resource "digitalocean_droplet" "mywebapp" { 09 image = "docker-16-04" 10 name: guest 11 region = "fra1" 12 size = "512mb" 13 ssh

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Kubernetes clusters within AWS EKS

02.08.2021

Home » Archive » 2021 » Issue 64: Bare... »

public key has been saved in eks-ssh.pub. 09 The key fingerprint is: 10 SHA256:Pidrw9+MRSPqU7vvIB7Ed6Al1U1Hts1u7xjVEfiM1uI 11 The key's randomart image is: 12 +---[RSA 4096]----+ 13 | .. ooo+| 14

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Installing and operating the Graylog SIEM solution

13.12.2018

Home » Archive » 2018 » Issue 48: Secur... »

. The pwgen command generates a password and encrypts with sh256sum: pwgen -N 1 -s 100 echo -n | sha256sum The encrypted password is then assigned to the parameter root_password_sha2. Table 1 gives

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Guarding against social engineering attacks

01.08.2019

Home » Archive » 2019 » Issue 52: Stop... »

will be 2.2GB lighter. Figure 1: The download options with the SHA256 checksum to make sure it matches the reported checksum on the site. Be sure

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Kernel and driver development for the Linux kernel

07.10.2014

Home » Archive » 2014 » Issue 23: 10 Ti... »

_string; 08 09 static int prochello_show( struct seq_file *m, void *v ) 10 { 11 int error = 0; 12 13 error = seq_printf( m, "%s\n", output_string); 14 return error; 15 } 16 17 static int prochello

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