Update cheatsheets

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: