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--- lx103:notes [2024/04/29 02:52]
114.119.137.174 old revision restored (2023/11/08 15:07)
+++ lx103:notes [2024/04/29 06:03]
114.119.141.71 old revision restored (2023/11/21 17:05)
@@ Line 210: / Line 210: @@
 ====apt====
-Config file located in ///etc/apt///sources.list important. sources.list.d folder contains official repos.
+Config file located in ///etc/apt//. sources.list important. sources.list.d folder contains official repos.
   *apt-get update -- updates repo list. DOES NOT UPGRADE.
+  *apt-cache search //thing// -- searches packages on local package cache for //thing// to download from server.
-===apt-cache===
-  ***search** //thing// -- searches packages on local package cache for //thing// to download from server.
-  ***stats** -- shows stats based on the metadata downloaded about our repos.
-  ***depends** apache2 -- shows dependencies for the apache2 package.
-  ***unmet** -- shows pkgs that have unmet depends.
   *apt-get install //apache2// - install apache2 + deps from repos.
   *apt-get upgrade -- upgrades out of date packages.
-  *apt-get clean -- cleans up local pkg files, temp files, etc.
-  *apt-get autoclean -- only cleans out packages that are no longer avail in our source repo. These can no longer be downloaded and are largely useless files.
-  *apt-get install -s php5 -- -s says simulate install php5. useful!
-  *apt-get install -y php5 -- will auto input YES on prompts.
-  *apt-get install -y -q php5 -- -q omits some terminal output.
-  *apt-get source php5 -- this will download the source files php5 and not the PACKAGE php5.
-  * **apt-get dist-upgrade** -- RTFM, performs upgrade but also handles changing of dependencies of new versions of a package. As a result, some packages may be removed.
 ======top======
 ----
@@ Line 463: / Line 451: @@
   * find /etc -name motd
     * search in /etc for files containing motd.
-====== VIM / VI Text Editor ======
-Light, installed on most machines.
-  *CMD MODE
-    * hjkl, move L R U D
-    * 0, SHIFT+0 - move to beginning or END of line.
-    * L - Move to last line of TERMINAL, not DOC
-    * H - move me to top of term.
-    * G - move to last line in file
-    * 1G - moves to first line of file.
-    * 40G - goto line 40
-    * :40 - also goto line 40
-    * yy - yank/cp line
-    * p - paste
-    * P - paste on line before the cursor
-    * u - undo
-    * 5yy - yank 5 lines
-    * / - search for text
-    * n - continue forward in search
-    * N - go backwards in search
-    * dd - cut line
-    * 5dd - cut 5 lines
-    * ? - search
-    * cc = del line + goto insert mode
-    * cw = change word, deletes word and puts you in INSERT mode! Awesome!
-    *
-    * EX MODE
-    * :%s/HostKey/wahoo - will change first ocurrence of HostKey with wahoo on each line.
-    * %s/test/wahoo
-    * %s/test/wahoo/g - change ALLLLL occurrences (thanks /g!)
-    * :q! - quit
-    * :wq - write quit
-    * :w - write
-    * :r path/to/file - loads contents of that file INTO curr file.
-    * :!shellCMDhere
-====== sed Stream Editor ======
-  *change first occurrence of parttime to promotion.
-    * sed '0,/parttime/s/parttime/promotion' employees.txt
-  * change first occur of parttime to fulltime
-    * sed 's/parttime/fulltime' employees.txt
-  * change ALL occurrences of parttime to fulltime
-    * sed 's/parttime/fulltime/g' employees.txt
-Can move all space to dots, slashes to spaces, etc etc, powerful stuff.
-RESUME ME, LINUX ACAD VIDEO @4:30m - LEcture, sed Stream Editor!

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