Author Archives: LinuxTech

Repair table in Virtualizor

Facing issues in Virtualizor for database crash ? The mysql library is not located in normal  /var/lib/mysql it located in /usr/local/emps/bin/

To repair database you need to use below command

[root@hostabc.virtualizor]# /usr/local/emps/bin/myisamchk -r *.MYI

Once completed all things should back to normal 🙂

 

Remove spaces between words

You may have comes across situation where you have to manually edit a single file using excel or words to remove the space between words which is taking consuming and Boring 🙂

The below command can do the trick in one command to save your day

 

cat 116.txt | sed -e ‘s/[\t ]//g;/^$/d’  > test12

116.txt is the input file which has spaces between words

sed -e ‘s/[\t ]//g;/^$/d’  is the command to clear space in words

 

 

 

Restart a Linux Machine

If you have entered command reboot and machine is not rebooting even after extended time

You can use below command to restart the server immediately which is equivalent to pressing a restart button physically.

 

#  echo 1 > /proc/sys/kernel/sysrq

#echo b > /proc/sysrq-trigger