Linux:Bash Useful Tips: Difference between revisions

Latest revision as of 14:05, 23 August 2017

CentOS: Renaming multiple files with the same extension[edit]

rename .ext .ext.bak *.ext

(!) Beware that the rename command may work differently acc. to your Linux distribution

Debian: unattended dist-upgrade[edit]

apt update && \
export DEBIAN_FRONTEND=noninteractive && \
apt -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" dist-upgrade -yq && \
apt autoremove --purge -y

(!) Use screen whenever possible for those kind of operations

Extending a LV (ext4/xfs) with all available space in one command[edit]

lvextend -l +100%FREE /dev/vg_base/var -r

snmp v3 command sample[edit]

snmpwalk -v3 -l authPriv -u <uid> -a SHA -A <pwd> -x DES -X <pwd> <fqdn/ip> <oid-optional>

@@ Line 1: / Line 1: @@
+== CentOS: Renaming multiple files with the same extension ==
+ rename .ext .ext.bak *.ext
-== Renaming multiple files with the same extension in CentOS ==
+(!) Beware that the rename command may work differently acc. to your Linux distribution
-<code>rename .ext .ext.bak *.ext</code>
+== Debian: unattended dist-upgrade ==
+ apt update && \
+ export DEBIAN_FRONTEND=noninteractive && \
+ apt -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" dist-upgrade -yq && \
+ apt autoremove --purge -y
+(!) Use '''screen''' whenever possible for those kind of operations
-(!) Beware that the rename command may work differently acc. to your Linux distribution
+== Extending a LV (ext4/xfs) with all available space in one command  ==
+ lvextend -l +100%FREE /dev/vg_base/var -r
-== Extending a LV (ext4/xfs) with all available space with one command  ==
+== snmp v3 command sample ==
-<code>lvextend -l 100%FREE /dev/vg_base/var -r</code>
+ snmpwalk -v3 -l authPriv -u <uid> -a SHA -A <pwd> -x DES -X <pwd> <fqdn/ip> <oid-optional>