Lets say you want to run a sed command, but you want it to save a backup before editing a file. Here is how you do that:
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1 |
sed -i.bak -e 'SED EXPRESSION GOES HERE' filename1<span style="font-family: Lato, sans-serif; font-size: 16px; line-height: 1.5; background-color: #ffffff;"> </span> |
This will take filename1Read More…
This method can be used to mount iso files and disk images locally without burning them to drives. If they are iscsi luns you wont need to initiate to them, you canRead More…
When you run apt-get update, it keeps a list of everything in /var/lib/apt/lists/ inside the files that end with “_Packages”. So you can parse the files for lines that begin with theRead More…
If you see ‘?’ mark files with ‘ls’ or ‘find’, most likely they are different lang chars (chinise,hebrew,japanes,russian) Im not just talking about ?, also im talking about chars like this é ForRead More…
There are 2 ways to RAID10 with mdadm. With 1 layer of mdadm or with 2 layers of mdadm. I would prefer the 1 layer of mdadm (meaning using mdadm level 10Read More…