wiki

commit ae593b18c190e376c96f1404ae792a76e580c87d
parent c090ede63bb7af6c7e2a76c8d91b2781aed3270d
Author: parazyd <parazyd@dyne.org>
Date:   Mon,  5 Feb 2018 18:21:19 +0100

More random commands.

Diffstat:
M
Git.wiki
 | 
6
++++++
A
Useful commands.wiki
 | 
14
++++++++++++++
M
index.wiki
 | 
3
+++
A
oneliners.wiki
 | 
15
+++++++++++++++
A
sed.wiki
 | 
13
+++++++++++++

5 files changed, 51 insertions(+), 0 deletions(-)
diff --git a/Git.wiki b/Git.wiki
@@ -40,3 +40,9 @@
 == backup untracked files ==
 
 	git ls-files --others -i --exclude-standard | xargs zip untracked.zip
+
+== delete a tag from the remote ==
+
+	git tag -d 12345
+	git push origin :refs/tags/12345
+
diff --git a/Useful commands.wiki b/Useful commands.wiki
@@ -0,0 +1,14 @@
+= useful random commands =
+
+== boot a kernel with qemu-system-arm ==
+	{{{
+	qemu-system-arm -enable-kvm -M virt -cpu host -m 512M -kernel zImage -nographic
+	}}}
+
+
+== ssh port forwarding ==
+
+	{{{
+	torsocks ssh -L10443:10.20.40.150:443 root@ru23abastzmgpecs.onion
+	}}}
+
diff --git a/index.wiki b/index.wiki
@@ -11,9 +11,12 @@ Managed with [vimwiki](https://github.com/vimwiki/vimwiki)
 == Programming ==
 * [[Shell]]
 * [[Awk]]
+* [[sed]]
+* [[oneliners]]
 
 == Data ==
 * [[JSON]]
 
 == Misc ==
 * [[Git]]
+* [[Useful commands]]
diff --git a/oneliners.wiki b/oneliners.wiki
@@ -0,0 +1,15 @@
+= random oneliners =
+
+== parse access.log for countries ==
+
+	{{{
+	awk '{print $1}' access.log \
+		| uniq \
+		| while read line; do \
+			geoiplookup $line \
+		done \
+		| grep Country \
+		| sort \
+		| awk -F: '{print $2}' \
+		| cut -b 2-
+	}}}
diff --git a/sed.wiki b/sed.wiki
@@ -0,0 +1,13 @@
+= sed knowledgebase =
+
+== paragraphs ==
+
+	{{{
+	sed '2,/^$/d'
+	}}}
+
+== trailing whitespace ==
+
+	{{{
+	sed 's/[ \t]*$//'
+	}}}