15Apr/111
Replace a string in a file in CLI (Command Line), Linux
For instance, you would like to replace 'abc' with 'def' everywhere in your file, do the following:
cat file1.txt | sed -e 's/abc/def/' > file2.txt
12Mar/100
Check CPU virtualization capability on Linux
egrep '(vmx|svm)' --color=always /proc/cpuinfo
8Feb/100
MySQL Dump Backup-Rotation
#!/bin/bash
TIME1=$(date +%d_%m_%Y__%H_%M_%S)
user="root"
passwd="xxxxxx"
# blabla db
db="blabla"
mysqldump -c -f -Q --user=${user} --password=${passwd} --host=localhost ${db} | gzip -f > /root/backup/db_${db}.$TIME1.sql.gz
find /root/backup/db_${db}.*.sql.gz -mtime +3 -exec rm {} ;