BSD Hacks

 

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Samba 

    using Access Control Lists with 

sandboxes, automating NetBSD package builds with 

sappnd flag  2nd 

scanning Windows computers for viruses 

Schaefer, Marc 

sched command 

schedules

    creating for backups 

    rsnapshot utility 

    switching access rules on 

schg flag  2nd  3rd 

Schneier, Bruce 

Schweikhardt, Jens 

scponly (SSH shell) 

    installing 

    testing the chroot 

scponlyc shell 

screen window manager 

    multitasking with 

.screenrc resource file 

screens

    attaching/detaching sessions 

    locking/unlocking 

screensavers for terminals 

screenshots, taking 

script command 

script files, cleaning up 

scripts, interactive, creating with Expect 

scrubbing hard disks 

SCSI devices in kernel configuration files  2nd 

Seaman, Matthew 

search and replace using sed 

searching

    manpage text  2nd 

    by relevance using grep 

    with sed utility 

securelevels, settings of 

security

    analyzing buffer overflows with GNU debugger 

    for DNS servers 

    wireless network issues 

security patches, automating 

sed utility 

    adding comments to source code 

    using holding space to mark text 

    removing blank lines 

    removing comments from source code 

    scripts with multiple commands 

    search and replace, performing 

    searching with 

sendmail  2nd  [See also email]

    configuring with local MTA 

    configuring without local MTA 

    disable receiving of email 

    DNS issues with mail queues 

    holding mail for later delivery 

serial consoles, enabling 

service set identifiers (SSIDs) 

servlets, Java 

set command 

setenv command 

setfacl command  2nd 

SETS variable (pkg_comp) 

SETS_X11 variable (pkg_comp) 

.SH (section) groff command 

sharing files between Windows and FreeBSD 

Sharity-Light utility 

    scanning Windows computers for viruses 

shells

    authorizing access to, using sudo 

    input/output, recording 

    interactive 

    letting others watch live sessions 

    recording interactive sessions 

    setting shell variables 

shortcuts on the command line 

shutdowns

    of servers, using wsmoused 

    viewing records of 

signature-at-bottom option 

signatures, randomizing 

sigtool command 

single quote (') vs. backticks (`) 

single-user mode, password protecting 

skeletons, port 

SMBFS, backing up FreeBSD with 

smbutil utility  2nd 

SMTP servers

    finding names of 

    relaying mail considered harmful 

    sending email with telnet 

    testing availability 

snapshots, remote 

sniffing networks with tcpdump 

Snort

    adding more security to 

    configuring 

    installing 

    running 

sockstat command  2nd  3rd 

software compiling, optimizing 

source code

    adding comments to 

    reading comments in 

    removing comments from 

source files

    finding 

    renaming a batch of 

spaces, translating tabs to 

spell-checking on command line 

splash screen, configuring 

split DNS approach, used to prevent information leaks 

splitting windows (screen utility) 

spoofing MAC addresses 

SSH servers

    /etc/ssh/sshd_config file 

    remote backups, automating 

    restricting 

    secure backups over networks 

SSIDs (service set identifiers) 

ssmtp MTA 

standalone Java applications 

Stark, Sebastian 

startup scripts, creating your own 

Storage Daemon (Bacula) 

    on backup server 

    running without root permission 

storage scheme for rsnapshot 

stripping kernels 

su command 

Subversion program 

sudo utility

    configuration file issues 

    limitations of 

    shell access with 

sudoers file 

sudoscript 

    log file for 

    security issues with 

    working with 

sudoscriptd script 

sudoshell script 

sunlnk flag  2nd 

superusers

    binaries, protecting with flags 

    controlling backups with arch/nodump flags 

    switching to, using su command 

    system logs, protecting with flags 

swap files, creating 

swapctl command 

swapinfo command 

switches, adding to manpages 

switching between windows 

symbolic links

    creating 

    finding 

synchronized copies of directories, maintaining 

syntax for mtree commands 

sysctl command 

sysinstall installation mechanism 

    setting up NFS mounts 

syslogd, redirecting console messages using  2nd 

systat command 

system accounting, enabling 

system logs, protecting with flags 

system passwords, protecting, using Blowfish 

system resources, viewing 

system-specific options in kernel configuration files 

 

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