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--- computing:sysadmin [2018/05/18 08:06] – created oemb1905
+++ computing:sysadmin [2019/08/08 17:51] (current) – removed oemb1905
@@ Line 1: / Line 1: @@
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-  * **sysadmintt**
-  * **Jonathan Haack**
-  * **Haack's Networking**
-  * **netcmnd@jonathanhaack.com**
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-//Welcome to my gnulinux wiki page.  Tis page has simple and complex system administrationnotes to remind me when I forget something that I already learned!  If you are visiting, I hope you find the page useful.//
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-#**optical media ripping from command line**
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-  cdrecord -pad -dao -data blag-140k-i686.iso
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-#**security & policy information**
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-  sudo nano /etc/pam.d/common-password
-Prevent Log in - create file
-  /etc/nologin
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-#**miscellaneous sysadmin easy**
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-start or stop network manager (or other services)
-  systemctl <start/stop/restart> networkmanager.service
-  /etc/init.d/network-manager <start/stop/restart>
-verify dhcp client working for interface eno1
-  dhclient -v eno1
-add subnet to interface eno1
-  ip address add 192.1##.1##.2/24 dev eno1
-interface tool w/ eno1 example
-  ethtool eno1
-interface with switch using screen
-  screen /dev/ttyUSB0/ 19200
-calculate subnet automatically
-  subnetcalc
-proxying web traffic through remote server
-  ssh -D <port#> <user>@<domain.com>
-get block ID of drives
-  blkid
-nmap to scan devices on lan
-  nmap -sP 10.##.##.0/24
-find utils example
-  find . -iname "name"
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-#**scripts and miscellaneous**
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-downloading scripts and executing them; example from DO
-  curl -sSL https://agent.digitalocean.com/install.sh | sh
-ngrok notes; private http(s) tunnels
-  ./ngrok http 80
-  wget https://[ngrok tunnel]/id_rsa.pub
-  cat ~/id_rsa.pub >> ~/.ssh/authorized_keys
-query hosts on the lan
-  avahi-browse -tl _workstation._tcp
-Debian print system configuration to stdout; use root
-  cat /proc/cpuinfo && lspci | grep -i vga && uname -a && lsb_release -a
-  lsb_release -a
-  lspci
-Debian repo management
-  cd /etc/apt
-  nano sources.lsit
-  [main contrib non-free]
-Uploading files to remote webservers with sftp
-  cd ~/Downloads
-  sftp user@host.com:/path/to/sftp/directory/of/choice/
-  > put /path/to/file.txt
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-#**Building From Source to Custom library Location**
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-tar -xf <source_filename>
-Navigate to the directory that tar unarchived the files to.  Then, within that directory, execute:
-  ./configure --prefix=/usr/local
-  make
-  sudo make install clean
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-#**next topic**
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- --- //[[netcmnd@jonathanhaack.com|oemb1905]] 2018/03/15 00:23//

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