Zutshi Group LLC - tech:unix

Setup Calibre-web with samba-ad (Quick Notes)

anonymous@undisclosed.example.com (Anonymous) — Thu, 04 Sep 2025 21:57:42 +0000

Setup Calibre-web with samba-ad (Quick Notes) * Create a samba-ad group called “calibre-web”. * Add a bunch of users to the calibre-web group in samba-ad. * Login to Calibre-Web ad admin user. * Click on “Admin”. * Click on “Edit Basic Configuration

Directory Depth Size

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Directory Depth Size The command below tells you how much space each directory below the current directory is using. useful in drilling down to a directory which is very large on your system cd / du -h -x --max-depth=1 returns 4.0K ./mnt 260K ./root 0 ./sys 7.6M ./lib32 13M ./sbin 0 ./dev 236K ./tmp 0 ./proc 2.2G ./opt 170M ./lib 4.0K ./selinux 3.1G ./usr 15M ./etc 4.0K ./media 7.8M ./bin 16K ./lost+found 8.0K ./home 4.0K ./srv 246M ./var 27M ./boot 5.7G .

Set Up Amazon Linux AMI with LAMP

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

Set Up Amazon Linux AMI with LAMP Fix timezone: sudo su - rm /etc/localtime ln -s /usr/share/zoneinfo/US/Eastern /etc/localtime vi /etc/sysconfig/clock edit ZONE: ZONE="America/New York" Add users sudo su - groupadd useradd -g -G wheel,apache -s /bin/bash -d /home/ -m

(Re)Build a gentoo kernel

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

(Re)Build a gentoo kernel Copy .config from old kernel into the new kernel: cp /usr/src/old-kernel/.config /usr/src/new-kernel Link the symlink 'linux' to new kernel: cd /usr/src rm linux ln -s ./new-kernel ./linux Merge the .config into the new kernel:

Fan Control for an iMac on Linux

anonymous@undisclosed.example.com (Anonymous) — Thu, 04 Sep 2025 21:58:32 +0000

Fan Control for an iMac on Linux I replaced an HDD with and SSD in an old 2009 iMac, disabled the CDROM. Since the SSD does not have a temperature sensor and runs cold, the iMac fan runs at full tilt. Manually set the “cpu”, “hdd” and “odd

Unix/Linux

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Unix/Linux unix index

Gateway 2000 Vivitron 17 Specifications

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Gateway 2000 Vivitron 17 Specifications Screen AttributesInput SignalDimesions & Weight17“ Shadow maskVideo Signal : AnalogHeight : 16.415.9 viewable imageH Frequency : 30-64 Khz Horizontal RefreshWidth : 16.1.26 mm dot pitchV Frequency : 50-100 Hz Vertical Refresh

Modifying the CD-ROM nvalias on an Ultra 10 (IDE based) System

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

Modifying the CD-ROM nvalias on an Ultra 10 (IDE based) System If you have an Ultra 5/10 with 2 IDE hard drives with DiskSuite mirroring and a CD-ROM, then the “cdrom” device alias in the EEPROM needs modification. DiskSuite requires one IDE drive to be the master on the primary controller and the other IDE drive to be the master on the secondary controller. This forces you to make the CD-ROM a slave on one of the two controllers. At this point, the factory

OpenSSL Certificate Generation

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

OpenSSL Certificate Generation Configuration for Weblogic Create A Keystore with the self signed private key For the purposes of this document we will have no truck with Verisign or Thawte for signing our keys. mkdir cd keytool -genkey -v -alias -keyalg rsa -keysize 1024 -dname "CN=,OU=IT,O=,L=,S=,C=US" -validity 7000 -keypass -keystore .jks -storepass

"ps -ef" Does not show enough of the command line

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

"ps -ef" Does not show enough of the command line When you do a ps -ef to see a command line, it is often truncated after about 50 characters. How do you get more complete information? Solaris > which pargs /bin/pargs > pargs 12345 “man pargs

Remove 'core' files

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

Remove 'core' files os> find / -name core -exec rm {} \;

Rsync Notes

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

Rsync Notes Quick notes on using rsync. The Server Side Please see the “SSH Tunnelling” section on running rsync via ssh. This section discusses running the rsync daemon. For the daemon process you need to have a properly configured /etc/rsyncd.conf

Configure ruby for oci8

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Configure ruby for oci8 download oci8 driver download oci8 driver from to /tmp cd /tmp tar zxvf ruby-oci8-0.1.12 cd ruby-oci8-0.1.12 make make install test with irb /usr/bin/irb irb(main):001:0> require 'oci8' => true irb(main):002:0> exit

Unix/Linux File Access Control Lists (ACL)

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Unix/Linux File Access Control Lists (ACL) setfacl setfacl -m user:apache:rx ./dirname getfacl getfacl ./dirname

SSH Forwarding for VNC

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:03 +0000

SSH Forwarding for VNC echo "Creating SSH Tunnel" ssh -L 5902:localhost:5902 -N -f -l user host -p 22 echo "Starting VNC client" gvncviewer localhost:2 echo "Killing SSH Tunnel" pkill -9 -f ssh

Configure SSMTP for gmail

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

Configure SSMTP for gmail On the gentoo system, the ssmtp package is delivered as the base mailing system. This document will show you how to configure the ssmtp mail system for use with Google Mail. ssmtp.conf root=my-email@gmail.com mailhub=smtp.gmail.com:587 rewriteDomain= hostname=my.email@gmail.com FromLineOverride=YES UseSTARTTLS=YES AuthUser=my.email@gmail.com AuthPass=******

useradd/userdel in Linux

anonymous@undisclosed.example.com (Anonymous) — Fri, 21 Jun 2024 16:04:04 +0000

useradd/userdel in Linux useradd useradd -g users -G audio,tty,wheel,dba -s /bin/bash -m userdel userdel Allow user to 'su - root' without a password * Edit /etc/pam.d/su and uncomment the appropriate line * Add user to /etc/security/suauth.nopasswd