Unix/Linux - Revision history

Stuart: /* Use sed to delete the first line of a file or command output printing from the second line onwards */

2018-12-06T00:18:32Z

‎Use sed to delete the first line of a file or command output printing from the second line onwards

2018-12-06T00:13:59Z

‎Configure maildrop

2018-12-06T00:11:58Z

‎uudeview

2018-12-06T00:11:29Z

‎uudeview

2018-12-06T00:05:56Z

‎Use sed to repeat characters

2018-11-27T11:48:10Z

‎ps listing does not show start time after 24 hours

2018-11-27T11:47:55Z

‎ps listing does not show start time after 24 hours

2018-11-27T11:47:37Z

‎ps -ef cuts off args cmd column on Solaris

2018-09-26T12:10:16Z

‎Remove a directory/file containing weird control characters

2018-07-23T10:07:03Z

‎Edit crontab file without crontab -e

@@ Line 107: / Line 107: @@
 <pre>
 df -k | sed 1d
 </pre>
 As a useful extension, suppose TO_DATA_DIR contains multiple directories, this will total the free space for all relevant filesystems<br />
@@ Line 113: / Line 117: @@
 SPACE_AVAILABLE=$(df -k $TO_DATA_DIR | sed 1d | awk 'BEGIN {i=0} {i=i+$3} END {print i}')
 </pre>
 ===Use sed to munge a controlfile into submission!===
 * delete comment lines

@@ Line 45: / Line 45: @@
 ==== Configure maildrop====
 <pre>
 vi ~/.mailfilter
@@ Line 70: / Line 73: @@
 </pre>
 Not really sure why this filter is not working properly. The cc works but the To: check doesn't. So I have a shell that runs separately to process the emails in the backup mail directory.
 ====uudeview====
 This is a clever program that can extract attachments from emails and put them in a directory of you choosing.<br />

@@ Line 80: / Line 80: @@
 fetchmail -d0
-# fetchmail uses maildrop as mda (uses .mailfilter) to save messages to  a maildir.
+# fetchmail uses maildrop as mda (uses .mailfilter) to save messages to a maildir.
 # this is not working correctly but still copies the messages to backup

@@ Line 71: / Line 71: @@
 Not really sure why this filter is not working properly. The cc works but the To: check doesn't. So I have a shell that runs separately to process the emails in the backup mail directory.
 ====uudeview====
 ===Use sed to repeat characters===

@@ Line 15: / Line 15: @@
 * [http://www.csb.yale.edu/userguides/wordprocess/vi-summary.html Handy ex and vi reference]
 * [[Fedora install for my own purposes]]
 ===Use sed to repeat characters===
@@ Line 21: / Line 77: @@
 echo "=" | sed -e :a -e 's/^=\{1,79\}$/&=/;ta'
 </pre>
 ===Convert between lower and upper case using ansi standard===
 This way should be portable and give predictable results

@@ Line 562: / Line 562: @@
 But you can see elapsed time using your own ps command
 <pre>
-/usr/bin/ps -eo etime,user,pid,ppid,cpu,start,tty,time,args |tail -n +2|sort
+/usr/bin/ps -eo etime,user,pid,ppid,cpu,start,tty,time,args|tail -n +2|sort
 </pre>

@@ Line 560: / Line 560: @@
 ===ps listing does not show start time after 24 hours===
-But you can see elapsed time using your own ps coomand
+But you can see elapsed time using your own ps command
 <pre>
 /usr/bin/ps -eo etime,user,pid,ppid,cpu,start,tty,time,args |tail -n +2|sort
 </pre>
 ===ps -ef cuts off args cmd column on Solaris===
 ====To see more than 80 characters of the last column on Solaris====

@@ Line 559: / Line 559: @@
 </pre>
 ===ps -ef cuts off args cmd column on Solaris===
-On AIX, ps eww <PID> shows the full argument listing of a process (NOTE: no - sign!)<br />
+====To see more than 80 characters of the last column on Solaris====
-To see more than 80 characters of the last column on Solaris:
+This shows all the individual arguments to the command
 <pre>
-pargs <PID>
+pargs <pid>
 </pre>
-shows all the individual arguments to the command
+This shows the ps listing in 'compatibility' mode (there are more compatibility commands in /usr/xpg4/bin)
 <pre>
 /usr/ucb/ps auww
 </pre>
-shows the ps listing in 'compatibility' mode (there are more compatibility commands in /usr/xpg4/bin)
+====To see more than 80 characters of the last column on AIX====
 ===Remove blank / empty lines from vi ===

@@ Line 967: / Line 967: @@
 </pre>
-===Remove a directory/file containing weird control characters===
+===Remove / rename a directory / file containing weird control characters===
 Use ls with -i to see inode listing
 <pre>

@@ Line 490: / Line 490: @@
 crontab -l >$HOME/crontab.$(date '+%Y%m%d')
 crontab -l | perl -p -e 's|/nas/software/oracle/scripts|/oracle/scripts|' | crontab
 </pre>