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lx103:notes [2024/04/28 08:09]
114.119.149.71 old revision restored (2023/12/13 18:24)
lx103:notes [2024/05/15 00:33] (current)
18.216.124.145 old revision restored (2024/04/29 06:03)
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 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-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. +
- +
   *apt-get install //apache2// - install apache2 + deps from repos.   *apt-get install //apache2// - install apache2 + deps from repos.
   *apt-get upgrade -- upgrades out of date packages.   *apt-get upgrade -- upgrades out of date packages.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====== ======top======
 ---- ----
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   * find /etc -name motd   * find /etc -name motd
     * search in /etc for files containing 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! 
lx103/notes.1714291797.txt.gz · Last modified: 2024/04/28 08:09 by 114.119.149.71