User contributions for Xbl

24 February 2023

• 15:1515:15, 24 February 2023 diff hist +10 Journal Control →Useful Flags
• 15:1515:15, 24 February 2023 diff hist +491 N Journal Control Created page with "= journalctl = May be used to query the contents of the systemd(1) journal as written by systemd-journald.service(8).</br> == Use == <code>journalctl -xe</code> show last 1000 messages in a pager</br> <code>journalctl -f</code> follow latest messages</br> <code>journalctl -t sshd</code> show messages of a particular service</br> </br> == Useful Flags == <code>-p <priority></code> show messages with $priority and above only <code>-b <priority></code> show messages sinc..."
• 15:0715:07, 24 February 2023 diff hist +50 Tape Archive →Useful Flags current
• 11:3211:32, 24 February 2023 diff hist +264 N Tunable Filesystem Created page with "= tune2fs = Adjust tunable filesystem parameters on ext2/ext3/ext4 filesystems</br> == Use == <code>tune2fs -l /dev/XY</code> Show current values of options on /dev/XY</br> <code>tune2fs -m Z /dev/XY</code> Set root reserved block percentage to Z on /dev/XY</br>" current

22 February 2023

• 15:3415:34, 22 February 2023 diff hist +2 Network Devices and Connections No edit summary current

13 February 2023

• 10:2210:22, 13 February 2023 diff hist +2 Terminal Multiplexer →resizing
• 10:2210:22, 13 February 2023 diff hist 0 Terminal Multiplexer →resizing

9 February 2023

• 18:0318:03, 9 February 2023 diff hist 0 Terminal Multiplexer →tmux
• 18:0218:02, 9 February 2023 diff hist 0 Terminal Multiplexer →tmux
• 18:0218:02, 9 February 2023 diff hist −7 Terminal Multiplexer →resizing
• 18:0018:00, 9 February 2023 diff hist +93 Terminal Multiplexer →tmux

26 January 2023

• 17:3217:32, 26 January 2023 diff hist +4 Logical Volume Management →extend with new disk
• 17:3217:32, 26 January 2023 diff hist +101 Logical Volume Management →extend with new disk

5 January 2023

• 23:5023:50, 5 January 2023 diff hist −66 Bash Shell →Text Control
• 23:5023:50, 5 January 2023 diff hist +65 Bash Shell →Text Control

4 January 2023

• 15:0015:00, 4 January 2023 diff hist −16 Hardening →Server Config current
• 14:5814:58, 4 January 2023 diff hist −1 Hardening →HTTP Config
• 14:5814:58, 4 January 2023 diff hist +38 Hardening →Server Config
• 14:4014:40, 4 January 2023 diff hist +113 Hardening →HTTP Config

3 January 2023

• 22:0822:08, 3 January 2023 diff hist +681 N Hardening Created page with "= nginx = === HTTP Config === /etc/nginx/nginx.conf:</br> <code>server_tokens off</code> Stop the server from advertising versions</br> <code>add_header X-Frame-Options SAMEORIGIN always</code> Stop the website to be framed into other websites</br> <code>add_header X-Content-Type-Options nosniff</code> Avoid MIME type sniffing by saying that the MIME types are deliberately configured</br> <code>add_header X-XSS-Protection "1; mode=block"</code> lock pages from loading w..."

30 December 2022

• 17:0517:05, 30 December 2022 diff hist +194 Global Regular Expression Print No edit summary
• 16:3916:39, 30 December 2022 diff hist +79 Global Regular Expression Print No edit summary
• 16:2816:28, 30 December 2022 diff hist +54 Global Regular Expression Print →Useful Flags
• 16:2716:27, 30 December 2022 diff hist +612 N Global Regular Expression Print Created page with "= grep = Print lines from text that match patterns, basic regex is used by default</br> == Use == <code>grep /etc/ssh/sshd_config pattern</code> match pattern in /etc/sshd_config, case sensitive</br> == Useful Flags == <code>-E</code> use extended regex</br> <code>-i</code> case insensitive</br> <code>-A x</code> print x lines after matched pattern</br> <code>-B x</code> print x lines before matched pattern</br> <code>-C x</code> print x lines before and after matched..."
• 16:0716:07, 30 December 2022 diff hist +1,849 N Find Created page with "= find = Search for files in a directory hierarchy. The command is recursive by default.</br> == Use == <code>find /var/www -name '*.css'</code> prints full path/filename to all files in /var/www that end in .css <code>-name</code> filename matches string(case sensitive)</br> <code>-iname</code> filename matches string(case insensitive)</br> <code>-regex</code> filename matches regex(case sensitive)</br> <code>-iregex</code> filename matches regex(case insensitive)</b..." current
• 10:2810:28, 30 December 2022 diff hist +562 Basic Commands No edit summary
• 10:1410:14, 30 December 2022 diff hist +597 Basic Commands No edit summary
• 09:3209:32, 30 December 2022 diff hist +307 Bash Shell →CTRL Hotkeys

27 December 2022

• 23:1923:19, 27 December 2022 diff hist −3 Dynamic Window Manager →Programs starting slow current
• 22:1922:19, 27 December 2022 diff hist +111 Dynamic Window Manager →Hotkeys

9 December 2022

• 16:4416:44, 9 December 2022 diff hist +136 Basic Commands No edit summary

2 December 2022

• 13:0213:02, 2 December 2022 diff hist +5 Data Duplicator →Use
• 13:0213:02, 2 December 2022 diff hist +145 Data Duplicator →Use
• 12:4112:41, 2 December 2022 diff hist +1,179 System Control No edit summary
• 10:3810:38, 2 December 2022 diff hist −17 Network Statistics →Useful Flags current
• 10:3610:36, 2 December 2022 diff hist +4 Network Statistics →Use
• 10:3410:34, 2 December 2022 diff hist +2,100 N Network Statistics Created page with "= netstat = Gives an overview of network activities and displays which ports are open or have established connections. The netstat tool is essential for discovering network problems.</br> == Use == <code>netstat</code> show lists of ''active'' connections</br> </br> The first list shows internet connections:</br> '''Proto''' – Protocol of the connection (TCP, UDP)</br> '''Recv-Q''' – Receive queue of bytes received or ready to be received</br> '''Send-Q''' – Send..."

30 November 2022

• 17:4317:43, 30 November 2022 diff hist +1,121 Table of Processes No edit summary current
• 17:0817:08, 30 November 2022 diff hist +56 Process Snapshot →Useful Flags current
• 17:0517:05, 30 November 2022 diff hist +54 Process Snapshot →Useful Flags
• 17:0417:04, 30 November 2022 diff hist +45 Process Snapshot →Useful Flags
• 17:0317:03, 30 November 2022 diff hist +64 Process Snapshot →Useful Flags
• 17:0117:01, 30 November 2022 diff hist −4 Process Snapshot →Useful Flags
• 17:0017:00, 30 November 2022 diff hist 0 Process Control No edit summary current
• 17:0017:00, 30 November 2022 diff hist +959 N Table of Processes Created page with "= top = Provides a dynamic real-time view of a running system.</br> </br> Load is a complex value, designating the balance between required and available CPU power.</br> Load <1: The system has some idle time</br> Load =1: The system has as much work as it can handle</br> Load >1: The system has to prioritize some processes over others</br> Load >3: The system is probably not fit for the current workload</br> Load >10: The system may have a serious problem</br> Load >30..."
• 15:2015:20, 30 November 2022 diff hist 0 Process Control No edit summary
• 15:1915:19, 30 November 2022 diff hist +1,165 N Process Control Created page with "= kill = Sends a signal to a process id. == Use == <code>kill -s <signal> <pid></code> send <signal> (SIGTERM if not defined) to <pid></br> == Useful Flags == <code>-L</code> display list of signals</br> == Most Important Signals == <code>SIGINT / 2</code> INTERRUPT (Same as Ctrl+c) cancel a running process</br> <code>SIGKILL / 9</code> kills process</br> <code>SIGTERM / 15</code> terminates a program cleanly</br> <code>SIGSTOP / 17</code> stops a running foreground..."
• 12:2912:29, 30 November 2022 diff hist +219 Magnetic Tape No edit summary current

29 November 2022

• 14:4814:48, 29 November 2022 diff hist +178 Magnetic Tape No edit summary
• 14:4314:43, 29 November 2022 diff hist +5 Magnetic Tape →Useful Flags