computing:sysadmin
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| computing:sysadmin [2018/05/24 01:40] – oemb1905 | computing:sysadmin [2019/08/08 17:51] (current) – removed oemb1905 | ||
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| - | * **sysadmin** | ||
| - | * **Jonathan Haack** | ||
| - | * **Haack' | ||
| - | * **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! | ||
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| - | ------------------------------------------- | ||
| - | # | ||
| - | ------------------------------------------- | ||
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| - | Change the default text editor, terminal, web browser, in Debian | ||
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| - | exo-preferred-applications | ||
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| - | ------------------------------------------- | ||
| - | #**motd** | ||
| - | ------------------------------------------- | ||
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| - | Create the following to make a message of the day that will be appended to the dynamic message of the day. | ||
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| - | sudo nano /etc/motd | ||
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| - | Is motd printing twice, comment out motd statis in pam setting | ||
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| - | / | ||
| - | # | ||
| - | | ||
| - | Print motd with every shell log in ... | ||
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| - | nano ~/.bashrc | ||
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| - | Navigate to the end of the file, and add | ||
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| - | cat /etc/motd | ||
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| - | ------------------------------------------- | ||
| - | #**install latest firefox on debian** | ||
| - | ------------------------------------------- | ||
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| - | To install the latest firefox on Debian and make it default, do the following. | ||
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| - | sudo mkdir -p / | ||
| - | sudo chown -R $USER:$USER / | ||
| - | cd ~/Downloads && wget -O FirefoxSetup.tar.bz2 " | ||
| - | tar xjf FirefoxSetup.tar.bz2 -C / | ||
| - | mv / | ||
| - | ln -s / | ||
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| - | To restore firefox-esr that comes with Debian. | ||
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| - | unlink / | ||
| - | mv / | ||
| - | | ||
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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** | ||
| - | ------------------------------------------- | ||
| - | |||
| - | sudo nano / | ||
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| - | Prevent Log in - create file | ||
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| - | / | ||
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| - | ------------------------------------------- | ||
| - | # | ||
| - | ------------------------------------------- | ||
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| - | start or stop network manager (or other services) | ||
| - | | ||
| - | systemctl < | ||
| - | / | ||
| - | | ||
| - | verify dhcp client working for interface eno1 | ||
| - | | ||
| - | dhclient -v eno1 | ||
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| - | add subnet to interface eno1 | ||
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| - | ip address add 192.1## | ||
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| - | interface tool w/ eno1 example | ||
| - | | ||
| - | ethtool eno1 | ||
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| - | interface with switch using screen | ||
| - | | ||
| - | screen / | ||
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| - | calculate subnet automatically | ||
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| - | subnetcalc | ||
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| - | proxying web traffic through remote server | ||
| - | | ||
| - | ssh -D < | ||
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| - | get block ID of drives | ||
| - | | ||
| - | blkid | ||
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| - | nmap to scan devices on lan | ||
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| - | nmap -sP 10.## | ||
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| - | find utils example | ||
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| - | find . -iname " | ||
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| - | ------------------------------------------- | ||
| - | #**scripts and miscellaneous** | ||
| - | ------------------------------------------- | ||
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| - | downloading scripts and executing them; example from DO | ||
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| - | curl -sSL https:// | ||
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| - | ngrok notes; private http(s) tunnels | ||
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| - | ./ngrok http 80 | ||
| - | wget https:// | ||
| - | cat ~/ | ||
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| - | query hosts on the lan | ||
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| - | avahi-browse -tl _workstation._tcp | ||
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| - | Debian print system configuration to stdout; use root | ||
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| - | cat / | ||
| - | lsb_release -a | ||
| - | lspci | ||
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| - | Debian repo management | ||
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| - | cd /etc/apt | ||
| - | nano sources.lsit | ||
| - | [main contrib non-free] | ||
| - | | ||
| - | Uploading files to remote webservers with sftp | ||
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| - | cd ~/Downloads | ||
| - | sftp user@host.com:/ | ||
| - | > put / | ||
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| - | ------------------------------------------- | ||
| - | #**Building From Source to Custom library Location** | ||
| - | ------------------------------------------- | ||
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| - | tar -xf < | ||
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| - | Navigate to the directory that tar unarchived the files to. Then, within that directory, execute: | ||
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| - | ./configure --prefix=/ | ||
| - | | ||
| - | make | ||
| - | sudo make install clean | ||
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| - | ------------------------------------------- | ||
| - | #**next topic** | ||
| - | ------------------------------------------- | ||
| - | |||
| - | |||
| - | --- // | ||
computing/sysadmin.1527126040.txt.gz · Last modified: 2018/11/25 01:33 (external edit)
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