The only one that seems to be having fun.
Notes of useful information I’ve found online. These are posted using the “Press This” function of Wordpress.
When attempting to update sendmail configuration, some times an error will be received using m4: # m4 /etc/mail/sendmail.mc > /etc/mail/sendmail.cf m4:/etc/mail/sendmail.mc:10: cannot open `/usr/share/sendmail-cf/m4/cf.m4': No such file or directory # m4 sendmail.mc > sendmail.cf m4:sendmail.mc:10:...
If your servers CPU seems to be running slow, it may be clocked down via the default installed CPUSPEED Daemon. This will re-clock your CPU (on supported models) to save power when it's not in...
Came across a server with MySQL crashing. It was a master server that replicates to a slave. It was out of drive space as there were a ton of these: -rw-rw---- 1 mysql mysql 1073795569...
Quick example on removing blank lines from a file for future reference: # cat testfile.txt line1 line2 line3 line4 line5 line6 # sed '/^$/d' -i testfile.txt # cat testfile.txt line1 line2 line3 line4 line5 line6
Linux: Sort du -h (human-readable) Output By Size. Useful for sorting files by size in human-readable. Nice when used in conjunction with Finding large files and then sorting them by actual size.
