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41.
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Typing 'dmesg | tail' after you plug in usb storage will give you its partition name (ex: /dev/sdb1) simplifying the mounting process.
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Located in
ubuntu-server-tips:131
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42.
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The column allows you to format output neatly. ex: 'mount | column -t' will reformat mount's messy output. See 'man column' for more info.
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Located in
ubuntu-server-tips:134
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43.
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Use awk to quickly filter columns from some command output. e.g.: ls -l | awk '{print $3 " " $9}'
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Located in
ubuntu-server-tips:137
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44.
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You can change your hostname by editing the file /etc/hostname.
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Located in
ubuntu-server-tips:139
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45.
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Use 'dpkg --get-selections > selections.txt' to save a selection and 'dpkg --set-selections < selections.txt && apt-get dselect-upgrade' to restore.
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Located in
ubuntu-server-tips:142
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46.
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To deactivate a service at boot, for example, apache2: 'sudo update-rc.d -f apache2 remove'. To activate it: 'sudo update-rc.d apache2 install defaults'.
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Located in
ubuntu-server-tips:146
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47.
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Tired of repeatedly pressing 'y' through some shell process (e.g. fsck)? Try the 'yes' command. 'man yes' for more info.
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Located in
ubuntu-server-tips:149
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48.
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For a lightweight VPN alternative, have a look at ssh + netcat-openbsd for SOCKS proxy support.
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Located in
ubuntu-server-tips:152
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49.
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Use the 'watch' command to repeat the same command a regular interval and get helpful datetime output. 'man watch' for more details.
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Located in
ubuntu-server-tips:155
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50.
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Use lsof to find out which process has open handles for a file. 'lsof +D /path' will find all processes for the given path. This is useful for unmounting media.
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Located in
ubuntu-server-tips:159
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