Update cheatsheets

tldr/alembic

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# alembic
+
+> Database migration tool for SQLAlchemy.
+> More information: <https://manned.org/alembic>.
+
+- Initialize Alembic in a project:
+
+`alembic init {{path/to/directory}}`
+
+- Create a new migration script with autogeneration:
+
+`alembic revision --autogenerate -m "{{message}}"`
+
+- Upgrade the database to the latest revision:
+
+`alembic upgrade head`
+
+- Downgrade the database by one revision:
+
+`alembic downgrade -1`
+
+- Show the migration history:
+
+`alembic history`

tldr/linux/cfdisk

@@ -6,6 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # cfdisk
 
 > Manage partition tables and partitions on a hard disk using a curses UI.
+> See also: `parted`.
 > More information: <https://manned.org/cfdisk>.
 
 - Start the partition manipulator with a specific device:

tldr/linux/cu

@@ -6,6 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # cu
 
 > Call Up another system and act as a dial-in/serial terminal or perform file transfers with no error checking.
+> See also: `picocom`, `minicom`, `tio`.
 > More information: <https://manned.org/cu>.
 
 - Open a given serial port:

tldr/linux/gio

@@ -29,6 +29,14 @@ source: https://github.com/tldr-pages/tldr.git
 
 `gio trash {{path/to/file}}`
 
+- Empty the trash:
+
+`gio trash --empty`
+
 - Launch an application from a `.desktop` file:
 
 `gio launch {{path/to/file}}.desktop`
+
+- Mark a `.desktop` file as trusted, allowing it to be executed:
+
+`gio set {{path/to/file}}.desktop metadata::trusted true`

tldr/linux/gio-trash

@@ -17,6 +17,10 @@ source: https://github.com/tldr-pages/tldr.git
 
 `gio trash --list`
 
+- Empty the trash:
+
+`gio trash --empty`
+
 - Restore a specific item from trash using its ID:
 
 `gio trash trash://{{id}}`

tldr/linux/iscsiadm

@@ -0,0 +1,37 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# iscsiadm
+
+> Manage iSCSI sessions, nodes, and discovery.
+> More information: <https://manned.org/iscsiadm>.
+
+- Show active iSCSI sessions:
+
+`sudo iscsiadm {{[-m|--mode]}} session`
+
+- List all known iSCSI nodes:
+
+`sudo iscsiadm {{[-m|--mode]}} node`
+
+- Discover available iSCSI targets on a portal (no authentication):
+
+`sudo iscsiadm {{[-m|--mode]}} discovery {{[-t|--type]}} sendtargets {{[-p|--portal]}} {{ip_address}}`
+
+- Log in to a specific iSCSI target without authentication:
+
+`sudo iscsiadm {{[-m|--mode]}} node {{[-T|--targetname]}} {{iqn}} {{[-p|--portal]}} {{ip_address}}:3260 {{[-l|--login]}}`
+
+- Log out from a specific iSCSI target:
+
+`sudo iscsiadm {{[-m|--mode]}} node {{[-T|--targetname]}} {{iqn}} {{[-p|--portal]}} {{ip_address}}:3260 {{[-u|--logout]}}`
+
+- Create an iSCSI node when discovery is blocked (for CHAP authentication):
+
+`sudo iscsiadm {{[-m|--mode]}} node {{[-o|--op]}} new {{[-T|--targetname]}} {{iqn}} {{[-p|--portal]}} {{ip_address}}:3260`
+
+- Configure CHAP authentication for an iSCSI target:
+
+`sudo iscsiadm {{[-m|--mode]}} node {{[-T|--targetname]}} {{iqn}} {{[-p|--portal]}} {{ip_address}}:3260 {{[-o|--op]}} update {{[-n|--name]}} node.session.auth.authmethod {{[-v|--value]}} CHAP`

tldr/linux/minicom

@@ -6,6 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # minicom
 
 > Communicate with the serial interface of a device.
+> See also: `picocom`, `cu`, `tio`.
 > More information: <https://manned.org/minicom>.
 
 - Open a given serial port:

tldr/linux/mkfs.ext4

@@ -15,3 +15,7 @@ source: https://github.com/tldr-pages/tldr.git
 - Create an ext4 filesystem with a volume-label:
 
 `sudo mkfs.ext4 -L {{volume_label}} {{/dev/sdXY}}`
+
+- Create an ext4 filesystem owned by a specific user and group:
+
+`sudo mkfs.ext4 -E root_owner={{uid}}:{{gid}} {{/dev/sdXY}}`

tldr/linux/parted

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # parted
 
 > A partition manipulation program.
-> See also: `parted.interactive`, `partprobe`.
+> See also: `parted.interactive`, `cfdisk`, `partprobe`.
 > More information: <https://www.gnu.org/software/parted/manual/parted.html#Invoking-Parted>.
 
 - List partitions on all block devices:

tldr/linux/slurmrestd

@@ -5,7 +5,8 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # slurmrestd
 
-> Interface to Slurm via REST API. It can be used in two modes: Inetd Mode and Listen Mode.
+> Interface to Slurm via REST API.
+> Note: Can be used in two modes: Inetd Mode and Listen Mode.
 > More information: <https://slurm.schedmd.com/slurmrestd.html>.
 
 - Change the [g]roup ID (and drop supplemental groups) before processing client requests:

tldr/picocom

@@ -6,6 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # picocom
 
 > Minimal program to emulate serial consoles.
+> See also: `minicom`, `cu`, `tio`.
 > More information: <https://manned.org/picocom>.
 
 - Connect to a serial console with the default baud rate of 9600:

tldr/shfmt

@@ -6,7 +6,7 @@ source: https://github.com/tldr-pages/tldr.git
 # shfmt
 
 > Shell parser, formatter, and interpreter.
-> More information: <https://pkg.go.dev/mvdan.cc/sh>.
+> More information: <https://pkg.go.dev/mvdan.cc/sh#section-readme>.
 
 - Print a formatted version of a shell script:
 
@@ -14,12 +14,20 @@ source: https://github.com/tldr-pages/tldr.git
 
 - List unformatted files:
 
-`shfmt --list {{path/to/directory}}`
+`shfmt {{[-l|--list]}} {{path/to/directory}}`
 
 - Write the result to the file instead of printing it to the terminal:
 
-`shfmt --write {{path/to/file}}`
+`shfmt {{[-w|--write]}} {{path/to/file}}`
 
-- Simplify the code, removing redundant pieces of syntax (i.e. removing "$" from vars in expressions):
+- Simplify the code, removing redundant pieces of syntax (e.g. removing "$" from vars in expressions):
 
-`shfmt --simplify {{path/to/file}}`
+`shfmt {{[-s|--simplify]}} {{path/to/file}}`
+
+- Specify the amount of spaces to use for indentation (0 for tabs, which is also the default):
+
+`shfmt {{[-i|--indent]}} {{4}} {{path/to/file}}`
+
+- Format the code according to Google's style guide:
+
+`shfmt {{[-i|--indent]}} 2 {{[-ci|--case-indent]}} {{[-w|--write]}} {{path/to/file}}`

tldr/windows/mimikatz-crypto

@@ -5,7 +5,8 @@ source: https://github.com/tldr-pages/tldr.git
 ---
 # mimikatz crypto
 
-> Manipulate Windows cryptographic services and certificates.
+> Manipulate Windows cryptographic services and certificates, allowing you to list and export certificates and keys, even those marked as non-exportable.
+> It generally requires elevated privileges, especially when accessing system keys.
 > More information: <https://github.com/gentilkiwi/mimikatz>.
 
 - List cryptographic providers: