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6 changes: 3 additions & 3 deletions pages/linux/hwclock.md
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Expand Up @@ -5,12 +5,12 @@

- Display the current time as reported by the hardware clock:

`hwclock`
`sudo hwclock`

- Write the current software clock time to the hardware clock (sometimes used during system setup):

`hwclock {{[-w|--systohc]}}`
`sudo hwclock {{[-w|--systohc]}}`

- Write the current hardware clock time to the software clock:

`hwclock {{[-s|--hctosys]}}`
`sudo hwclock {{[-s|--hctosys]}}`
4 changes: 2 additions & 2 deletions pages/linux/lsusb.md
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Expand Up @@ -13,11 +13,11 @@

- List verbose information about USB devices:

`lsusb {{[-v|--verbose]}}`
`sudo lsusb {{[-v|--verbose]}}`

- List detailed information about a USB device:

`lsusb {{[-v|--verbose]}} -s {{bus}}:{{device number}}`
`sudo lsusb {{[-v|--verbose]}} -s {{bus}}:{{device number}}`

- List devices with a specified vendor and product ID only:

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14 changes: 7 additions & 7 deletions pages/linux/lvs.md
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Expand Up @@ -6,28 +6,28 @@

- Display information about logical volumes:

`lvs`
`sudo lvs`

- Display all logical volumes:

`lvs {{[-a|--all]}}`
`sudo lvs {{[-a|--all]}}`

- Change default display to show more details:

`lvs {{[-v|--verbose]}}`
`sudo lvs {{[-v|--verbose]}}`

- Display only specific fields:

`lvs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`
`sudo lvs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`

- Append field to default display:

`lvs {{[-o|--options]}} +{{field_name}}`
`sudo lvs {{[-o|--options]}} +{{field_name}}`

- Suppress heading line:

`lvs --noheadings`
`sudo lvs --noheadings`

- Use a separator to separate fields:

`lvs --separator {{=}}`
`sudo lvs --separator {{=}}`
14 changes: 7 additions & 7 deletions pages/linux/pvs.md
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Expand Up @@ -6,28 +6,28 @@

- Display information about physical volumes:

`pvs`
`sudo pvs`

- Display non-physical volumes:

`pvs {{[-a|--all]}}`
`sudo pvs {{[-a|--all]}}`

- Change default display to show more details:

`pvs {{[-v|--verbose]}}`
`sudo pvs {{[-v|--verbose]}}`

- Display only specific fields:

`pvs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`
`sudo pvs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`

- Append field to default display:

`pvs {{[-o|--options]}} +{{field_name}}`
`sudo pvs {{[-o|--options]}} +{{field_name}}`

- Suppress heading line:

`pvs --noheadings`
`sudo pvs --noheadings`

- Use separator to separate fields:

`pvs --separator {{special_character}}`
`sudo pvs --separator {{special_character}}`
16 changes: 8 additions & 8 deletions pages/linux/ufw.md
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Expand Up @@ -6,32 +6,32 @@

- Enable `ufw`:

`ufw enable`
`sudo ufw enable`

- Disable `ufw`:

`ufw disable`
`sudo ufw disable`

- Show `ufw` rules, along with their numbers:

`ufw status numbered`
`sudo ufw status numbered`

- Allow incoming traffic on port 5432 on this host with a comment identifying the service:

`ufw allow 5432 comment "{{Service}}"`
`sudo ufw allow 5432 comment "{{Service}}"`

- Allow only TCP traffic from 192.168.0.4 to any address on this host, on port 22:

`ufw allow proto tcp from 192.168.0.4 to any port 22`
`sudo ufw allow proto tcp from 192.168.0.4 to any port 22`

- Deny traffic on port 80 on this host:

`ufw deny 80`
`sudo ufw deny 80`

- Deny all UDP traffic to ports in range 8412:8500:

`ufw deny proto udp from any to any port 8412:8500`
`sudo ufw deny proto udp from any to any port 8412:8500`

- Delete a particular rule. The rule number can be retrieved from the `ufw status numbered` command:

`ufw delete {{rule_number}}`
`sudo ufw delete {{rule_number}}`
14 changes: 7 additions & 7 deletions pages/linux/vgs.md
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Expand Up @@ -6,28 +6,28 @@

- Display information about volume groups:

`vgs`
`sudo vgs`

- Display all volume groups:

`vgs {{[-a|--all]}}`
`sudo vgs {{[-a|--all]}}`

- Change default display to show more details:

`vgs {{[-v|--verbose]}}`
`sudo vgs {{[-v|--verbose]}}`

- Display only specific fields:

`vgs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`
`sudo vgs {{[-o|--options]}} {{field_name_1}},{{field_name_2}}`

- Append field to default display:

`vgs {{[-o|--options]}} +{{field_name}}`
`sudo vgs {{[-o|--options]}} +{{field_name}}`

- Suppress heading line:

`vgs --noheadings`
`sudo vgs --noheadings`

- Use separator to separate fields:

`vgs --separator =`
`sudo vgs --separator =`
8 changes: 4 additions & 4 deletions pages/linux/zypper.md
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Expand Up @@ -6,19 +6,19 @@

- Synchronize list of packages and versions available:

`zypper {{[ref|refresh]}}`
`sudo zypper {{[ref|refresh]}}`

- Install a new package:

`zypper {{[in|install]}} {{package}}`
`sudo zypper {{[in|install]}} {{package}}`

- Remove a package:

`zypper {{[rm|remove]}} {{package}}`
`sudo zypper {{[rm|remove]}} {{package}}`

- Upgrade installed packages to the newest available versions:

`zypper {{[up|update]}}`
`sudo zypper {{[up|update]}}`

- Search package via keyword:

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